Linux 4.14.177

index b18fb70c5dcf..e13aca6e6d4b 100644
@@ -796,7 +796,11 @@ static inline void emit_a32_rsh_i64(const u8 dst[], bool dstk,
 	}
 
 	/* Do LSR operation */
-	if (val < 32) {
+	if (val == 0) {
+		/* An immediate value of 0 encodes a shift amount of 32
+		 * for LSR. To shift by 0, don't do anything.
+		 */
+	} else if (val < 32) {
 		emit(ARM_MOV_SI(tmp2[1], rd, SRTYPE_LSR, val), ctx);
 		emit(ARM_ORR_SI(rd, tmp2[1], rm, SRTYPE_ASL, 32 - val), ctx);
 		emit(ARM_MOV_SI(rm, rm, SRTYPE_LSR, val), ctx);

@@ -829,7 +833,11 @@ static inline void emit_a32_arsh_i64(const u8 dst[], bool dstk,
 	}
 
 	/* Do ARSH operation */
-	if (val < 32) {
+	if (val == 0) {
+		/* An immediate value of 0 encodes a shift amount of 32
+		 * for ASR. To shift by 0, don't do anything.
+		 */
+	} else if (val < 32) {
 		emit(ARM_MOV_SI(tmp2[1], rd, SRTYPE_LSR, val), ctx);
 		emit(ARM_ORR_SI(rd, tmp2[1], rm, SRTYPE_ASL, 32 - val), ctx);
 		emit(ARM_MOV_SI(rm, rm, SRTYPE_ASR, val), ctx);

index a4dc115d7659..092046704cbc 100644
@@ -607,7 +607,7 @@ static struct undef_hook setend_hooks[] = {
 	},
 	{
 		/* Thumb mode */
-		.instr_mask	= 0x0000fff7,
+		.instr_mask	= 0xfffffff7,
 		.instr_val	= 0x0000b650,
 		.pstate_mask	= (COMPAT_PSR_T_BIT | COMPAT_PSR_MODE_MASK),
 		.pstate_val	= (COMPAT_PSR_T_BIT | COMPAT_PSR_MODE_USR),

index 05fdae70e9f6..53df84b2a07f 100644
@@ -262,12 +262,6 @@ static const unsigned armv8_a73_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
 
 	[C(L1D)][C(OP_READ)][C(RESULT_ACCESS)]	= ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD,
 	[C(L1D)][C(OP_WRITE)][C(RESULT_ACCESS)]	= ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR,
-
-	[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)]	= ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD,
-	[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR,
-
-	[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)]	= ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD,
-	[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR,
 };
 
 static const unsigned armv8_thunder_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]

index ee5ce03c9315..2ff327651ebe 100644
@@ -186,11 +186,9 @@ void __show_regs(struct pt_regs *regs)
 	}
 
 	show_regs_print_info(KERN_DEFAULT);
-	print_symbol("PC is at %s\n", instruction_pointer(regs));
-	print_symbol("LR is at %s\n", lr);
-	printk("pc : [<%016llx>] lr : [<%016llx>] pstate: %08llx\n",
-	       regs->pc, lr, regs->pstate);
-	printk("sp : %016llx\n", sp);
+	print_symbol("pc : %s\n", regs->pc);
+	print_symbol("lr : %s\n", lr);
+	printk("sp : %016llx pstate : %08llx\n", sp, regs->pstate);
 
 	i = top_reg;
 

85 lines not on this page · raw message

index b3aec101a65d..a27b3d70393f 100644
@@ -2199,6 +2199,9 @@ static int octeon_irq_cib_map(struct irq_domain *d,
 	}
 
 	cd = kzalloc(sizeof(*cd), GFP_KERNEL);
+	if (!cd)
+		return -ENOMEM;
+
 	cd->host_data = host_data;
 	cd->bit = hw;
 

index 197ced1eaaa0..4a16115b47eb 100644
@@ -108,6 +108,12 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm,
 extern int hash__has_transparent_hugepage(void);
 #endif
 
+static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd)
+{
+	BUG();
+	return pmd;
+}
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_BOOK3S_64_HASH_4K_H */

index 8d40cf03cb67..2194866225f8 100644
@@ -181,7 +181,7 @@ static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array,
  */
 static inline int hash__pmd_trans_huge(pmd_t pmd)
 {
-	return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE)) ==
+	return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP)) ==
 		  (_PAGE_PTE | H_PAGE_THP_HUGE));
 }
 

@@ -209,6 +209,12 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm,
 				       unsigned long addr, pmd_t *pmdp);
 extern int hash__has_transparent_hugepage(void);
 #endif /*  CONFIG_TRANSPARENT_HUGEPAGE */
+
+static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd)
+{
+	return __pmd(pmd_val(pmd) | (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP));
+}
+
 #endif	/* __ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_BOOK3S_64_HASH_64K_H */

index 4dd13b503dbb..bcb79a96a6c8 100644
@@ -1179,7 +1179,9 @@ extern void serialize_against_pte_lookup(struct mm_struct *mm);
 
 static inline pmd_t pmd_mkdevmap(pmd_t pmd)
 {
-	return __pmd(pmd_val(pmd) | (_PAGE_PTE | _PAGE_DEVMAP));
+	if (radix_enabled())
+		return radix__pmd_mkdevmap(pmd);
+	return hash__pmd_mkdevmap(pmd);
 }
 
 static inline int pmd_devmap(pmd_t pmd)

index 19c44e1495ae..7a1fc49aaf99 100644
@@ -289,6 +289,11 @@ extern pmd_t radix__pmdp_huge_get_and_clear(struct mm_struct *mm,
 extern int radix__has_transparent_hugepage(void);
 #endif
 
+static inline pmd_t radix__pmd_mkdevmap(pmd_t pmd)
+{
+	return __pmd(pmd_val(pmd) | (_PAGE_PTE | _PAGE_DEVMAP));
+}
+
 extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
 					     unsigned long page_size,
 					     unsigned long phys);

index 279d03a1eec6..6941fe202bc8 100644
@@ -12,7 +12,9 @@
 
 #define JMP_BUF_LEN    23
 
-extern long setjmp(long *);
-extern void longjmp(long *, long);
+typedef long jmp_buf[JMP_BUF_LEN];
+
+extern int setjmp(jmp_buf env) __attribute__((returns_twice));
+extern void longjmp(jmp_buf env, int val) __attribute__((noreturn));
 
 #endif /* _ASM_POWERPC_SETJMP_H */

index 10b46b35c059..07d3f3b40246 100644
@@ -279,6 +279,9 @@ int kprobe_handler(struct pt_regs *regs)
 	if (user_mode(regs))
 		return 0;
 
+	if (!(regs->msr & MSR_IR) || !(regs->msr & MSR_DR))
+		return 0;
+
 	/*
 	 * We don't want to be preempted for the entire
 	 * duration of kprobe processing

index b75bf6e74209..3e8edb1387cc 100644
@@ -469,8 +469,10 @@ static long restore_tm_sigcontexts(struct task_struct *tsk,
 	err |= __get_user(tsk->thread.ckpt_regs.ccr,
 			  &sc->gp_regs[PT_CCR]);
 
+	/* Don't allow userspace to set the trap value */
+	regs->trap = 0;
+
 	/* These regs are not checkpointed; they can go in 'regs'. */
-	err |= __get_user(regs->trap, &sc->gp_regs[PT_TRAP]);
 	err |= __get_user(regs->dar, &sc->gp_regs[PT_DAR]);
 	err |= __get_user(regs->dsisr, &sc->gp_regs[PT_DSISR]);
 	err |= __get_user(regs->result, &sc->gp_regs[PT_RESULT]);

index b7f937563827..d1fee2d35b49 100644
@@ -299,23 +299,6 @@ static int __init maple_probe(void)
 	return 1;
 }
 
-define_machine(maple) {
-	.name			= "Maple",
-	.probe			= maple_probe,
-	.setup_arch		= maple_setup_arch,
-	.init_IRQ		= maple_init_IRQ,
-	.pci_irq_fixup		= maple_pci_irq_fixup,
-	.pci_get_legacy_ide_irq	= maple_pci_get_legacy_ide_irq,
-	.restart		= maple_restart,
-	.halt			= maple_halt,
-       	.get_boot_time		= maple_get_boot_time,
-       	.set_rtc_time		= maple_set_rtc_time,
-       	.get_rtc_time		= maple_get_rtc_time,
-      	.calibrate_decr		= generic_calibrate_decr,
-	.progress		= maple_progress,
-	.power_save		= power4_idle,
-};
-
 #ifdef CONFIG_EDAC
 /*
  * Register a platform device for CPC925 memory controller on

@@ -372,3 +355,20 @@ static int __init maple_cpc925_edac_setup(void)
 }
 machine_device_initcall(maple, maple_cpc925_edac_setup);
 #endif
+
+define_machine(maple) {
+	.name			= "Maple",
+	.probe			= maple_probe,
+	.setup_arch		= maple_setup_arch,
+	.init_IRQ		= maple_init_IRQ,
+	.pci_irq_fixup		= maple_pci_irq_fixup,
+	.pci_get_legacy_ide_irq	= maple_pci_get_legacy_ide_irq,
+	.restart		= maple_restart,
+	.halt			= maple_halt,
+	.get_boot_time		= maple_get_boot_time,
+	.set_rtc_time		= maple_set_rtc_time,
+	.get_rtc_time		= maple_get_rtc_time,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= maple_progress,
+	.power_save		= power4_idle,
+};

index c0ae3847b8db..215b14a373cb 100644
@@ -1060,7 +1060,7 @@ static int __init vpa_debugfs_init(void)
 {
 	char name[16];
 	long i;
-	static struct dentry *vpa_dir;
+	struct dentry *vpa_dir;
 
 	if (!firmware_has_feature(FW_FEATURE_SPLPAR))
 		return 0;

index a820370883d9..b7ae5a027714 100644
@@ -72,13 +72,6 @@ static u32 xive_ipi_irq;
 /* Xive state for each CPU */
 static DEFINE_PER_CPU(struct xive_cpu *, xive_cpu);
 
-/*
- * A "disabled" interrupt should never fire, to catch problems
- * we set its logical number to this
- */
-#define XIVE_BAD_IRQ		0x7fffffff
-#define XIVE_MAX_IRQ		(XIVE_BAD_IRQ - 1)
-
 /* An invalid CPU target */
 #define XIVE_INVALID_TARGET	(-1)
 

@@ -1073,7 +1066,7 @@ static int xive_setup_cpu_ipi(unsigned int cpu)
 	xc = per_cpu(xive_cpu, cpu);
 
 	/* Check if we are already setup */
-	if (xc->hw_ipi != 0)
+	if (xc->hw_ipi != XIVE_BAD_IRQ)
 		return 0;
 
 	/* Grab an IPI from the backend, this will populate xc->hw_ipi */

@@ -1110,7 +1103,7 @@ static void xive_cleanup_cpu_ipi(unsigned int cpu, struct xive_cpu *xc)
 	/* Disable the IPI and free the IRQ data */
 
 	/* Already cleaned up ? */
-	if (xc->hw_ipi == 0)
+	if (xc->hw_ipi == XIVE_BAD_IRQ)
 		return;
 
 	/* Mask the IPI */

@@ -1266,6 +1259,7 @@ static int xive_prepare_cpu(unsigned int cpu)
 		if (np)
 			xc->chip_id = of_get_ibm_chip_id(np);
 		of_node_put(np);
+		xc->hw_ipi = XIVE_BAD_IRQ;
 
 		per_cpu(xive_cpu, cpu) = xc;
 	}

index aac61374afeb..30cdcbfa1c04 100644
@@ -310,7 +310,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc)
 	s64 rc;
 
 	/* Free the IPI */
-	if (!xc->hw_ipi)
+	if (xc->hw_ipi == XIVE_BAD_IRQ)
 		return;
 	for (;;) {
 		rc = opal_xive_free_irq(xc->hw_ipi);

@@ -318,7 +318,7 @@ static void xive_native_put_ipi(unsigned int cpu, struct xive_cpu *xc)
 			msleep(1);
 			continue;
 		}
-		xc->hw_ipi = 0;
+		xc->hw_ipi = XIVE_BAD_IRQ;
 		break;
 	}
 }

index 7fc41bf30fd5..10235098a726 100644
@@ -443,11 +443,11 @@ static int xive_spapr_get_ipi(unsigned int cpu, struct xive_cpu *xc)
 
 static void xive_spapr_put_ipi(unsigned int cpu, struct xive_cpu *xc)
 {
-	if (!xc->hw_ipi)
+	if (xc->hw_ipi == XIVE_BAD_IRQ)
 		return;
 
 	xive_irq_bitmap_free(xc->hw_ipi);
-	xc->hw_ipi = 0;
+	xc->hw_ipi = XIVE_BAD_IRQ;
 }
 #endif /* CONFIG_SMP */
 

index f34abed0c05f..48808dbb25dc 100644
@@ -9,6 +9,13 @@
 #ifndef __XIVE_INTERNAL_H
 #define __XIVE_INTERNAL_H
 
+/*
+ * A "disabled" interrupt should never fire, to catch problems
+ * we set its logical number to this
+ */
+#define XIVE_BAD_IRQ		0x7fffffff
+#define XIVE_MAX_IRQ		(XIVE_BAD_IRQ - 1)
+
 /* Each CPU carry one of these with various per-CPU state */
 struct xive_cpu {
 #ifdef CONFIG_SMP

index 53a5316cc4b7..35c842aa8705 100644
@@ -79,7 +79,7 @@ static int show_diag_stat(struct seq_file *m, void *v)
 
 static void *show_diag_stat_start(struct seq_file *m, loff_t *pos)
 {
-	return *pos <= nr_cpu_ids ? (void *)((unsigned long) *pos + 1) : NULL;
+	return *pos <= NR_DIAG_STAT ? (void *)((unsigned long) *pos + 1) : NULL;
 }
 
 static void *show_diag_stat_next(struct seq_file *m, void *v, loff_t *pos)

index 6fe2e1875058..675d4be0c2b7 100644
@@ -157,8 +157,9 @@ static void show_cpu_mhz(struct seq_file *m, unsigned long n)
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
 	unsigned long n = (unsigned long) v - 1;
+	unsigned long first = cpumask_first(cpu_online_mask);
 
-	if (!n)
+	if (n == first)
 		show_cpu_summary(m, v);
 	if (!machine_has_cpu_mhz)
 		return 0;

@@ -171,6 +172,8 @@ static inline void *c_update(loff_t *pos)
 {
 	if (*pos)
 		*pos = cpumask_next(*pos - 1, cpu_online_mask);
+	else
+		*pos = cpumask_first(cpu_online_mask);
 	return *pos < nr_cpu_ids ? (void *)*pos + 1 : NULL;
 }
 

index 061906f98dc5..0120383219c0 100644
@@ -1027,6 +1027,7 @@ static int vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
 		scb_s->iprcc = PGM_ADDRESSING;
 		scb_s->pgmilc = 4;
 		scb_s->gpsw.addr = __rewind_psw(scb_s->gpsw, 4);
+		rc = 1;
 	}
 	return rc;
 }

index ec9292917d3f..a29d2e88b00e 100644
@@ -762,14 +762,18 @@ static void gmap_call_notifier(struct gmap *gmap, unsigned long start,
 static inline unsigned long *gmap_table_walk(struct gmap *gmap,
 					     unsigned long gaddr, int level)
 {
+	const int asce_type = gmap->asce & _ASCE_TYPE_MASK;
 	unsigned long *table;
 
 	if ((gmap->asce & _ASCE_TYPE_MASK) + 4 < (level * 4))
 		return NULL;
 	if (gmap_is_shadow(gmap) && gmap->removed)
 		return NULL;
-	if (gaddr & (-1UL << (31 + ((gmap->asce & _ASCE_TYPE_MASK) >> 2)*11)))
+
+	if (asce_type != _ASCE_TYPE_REGION1 &&
+	    gaddr & (-1UL << (31 + (asce_type >> 2) * 11)))
 		return NULL;
+
 	table = gmap->table;
 	switch (gmap->asce & _ASCE_TYPE_MASK) {
 	case _ASCE_TYPE_REGION1:

@@ -1683,6 +1687,7 @@ int gmap_shadow_r3t(struct gmap *sg, unsigned long saddr, unsigned long r3t,
 		goto out_free;
 	} else if (*table & _REGION_ENTRY_ORIGIN) {
 		rc = -EAGAIN;		/* Race with shadow */
+		goto out_free;
 	}
 	crst_table_init(s_r3t, _REGION3_ENTRY_EMPTY);
 	/* mark as invalid as long as the parent table is not protected */

index b4bef819d5d5..157cfaf1064c 100644
@@ -205,7 +205,7 @@
 #define X86_FEATURE_RETPOLINE		( 7*32+12) /* "" Generic Retpoline mitigation for Spectre variant 2 */
 #define X86_FEATURE_RETPOLINE_AMD	( 7*32+13) /* "" AMD Retpoline mitigation for Spectre variant 2 */
 #define X86_FEATURE_INTEL_PPIN		( 7*32+14) /* Intel Processor Inventory Number */
-
+#define X86_FEATURE_CDP_L2		( 7*32+15) /* Code and Data Prioritization L2 */
 #define X86_FEATURE_MSR_SPEC_CTRL	( 7*32+16) /* "" MSR SPEC_CTRL is implemented */
 #define X86_FEATURE_SSBD		( 7*32+17) /* Speculative Store Bypass Disable */
 #define X86_FEATURE_MBA			( 7*32+18) /* Memory Bandwidth Allocation */

index 2cdf654ed132..9529fe69e1d9 100644
@@ -1032,7 +1032,7 @@ struct kvm_x86_ops {
 	bool (*mpx_supported)(void);
 	bool (*xsaves_supported)(void);
 
-	int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr);
+	int (*check_nested_events)(struct kvm_vcpu *vcpu);
 
 	void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
 

index 209492849566..5c524d4f71cd 100644
@@ -41,7 +41,7 @@ struct microcode_amd {
 	unsigned int			mpb[0];
 };
 
-#define PATCH_MAX_SIZE PAGE_SIZE
+#define PATCH_MAX_SIZE (3 * PAGE_SIZE)
 
 #ifdef CONFIG_MICROCODE_AMD
 extern void __init load_ucode_amd_bsp(unsigned int family);

index 6a4b1a54ff47..98a337e3835d 100644
@@ -588,12 +588,15 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
 	return __pmd(val);
 }
 
-/* mprotect needs to preserve PAT bits when updating vm_page_prot */
+/*
+ * mprotect needs to preserve PAT and encryption bits when updating
+ * vm_page_prot
+ */
 #define pgprot_modify pgprot_modify
 static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
 {
 	pgprotval_t preservebits = pgprot_val(oldprot) & _PAGE_CHG_MASK;
-	pgprotval_t addbits = pgprot_val(newprot);
+	pgprotval_t addbits = pgprot_val(newprot) & ~_PAGE_CHG_MASK;
 	return __pgprot(preservebits | addbits);
 }
 

index 85f8279c885a..e6c870c24065 100644
@@ -124,7 +124,7 @@
  */
 #define _PAGE_CHG_MASK	(PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT |		\
 			 _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY |	\
-			 _PAGE_SOFT_DIRTY | _PAGE_DEVMAP)
+			 _PAGE_SOFT_DIRTY | _PAGE_DEVMAP | _PAGE_ENC)
 #define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE)
 
 /*

index 6dda3595acf8..40d7072be709 100644
@@ -1738,7 +1738,7 @@ int __acpi_acquire_global_lock(unsigned int *lock)
 		new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));
 		val = cmpxchg(lock, old, new);
 	} while (unlikely (val != old));
-	return (new < 3) ? -1 : 0;
+	return ((new & 0x3) < 3) ? -1 : 0;
 }
 
 int __acpi_release_global_lock(unsigned int *lock)

index dde437f5d14f..596e7640d895 100644
@@ -133,7 +133,8 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
 
 	/* Make sure we are running on right CPU */
 
-	retval = work_on_cpu(cpu, acpi_processor_ffh_cstate_probe_cpu, cx);
+	retval = call_on_cpu(cpu, acpi_processor_ffh_cstate_probe_cpu, cx,
+			     false);
 	if (retval == 0) {
 		/* Use the hint in CST */
 		percpu_entry->states[cx->index].eax = cx->address;

106 lines not on this page · raw message

index a43a72d8e88e..b43a786ec15f 100644
@@ -7,12 +7,15 @@
 #include <linux/jump_label.h>
 
 #define IA32_L3_QOS_CFG		0xc81
+#define IA32_L2_QOS_CFG		0xc82
 #define IA32_L3_CBM_BASE	0xc90
 #define IA32_L2_CBM_BASE	0xd10
 #define IA32_MBA_THRTL_BASE	0xd50
 
 #define L3_QOS_CDP_ENABLE	0x01ULL
 
+#define L2_QOS_CDP_ENABLE	0x01ULL
+
 /*
  * Event IDs are used to program IA32_QM_EVTSEL before reading event
  * counter from IA32_QM_CTR

@@ -354,6 +357,8 @@ enum {
 	RDT_RESOURCE_L3DATA,
 	RDT_RESOURCE_L3CODE,
 	RDT_RESOURCE_L2,
+	RDT_RESOURCE_L2DATA,
+	RDT_RESOURCE_L2CODE,
 	RDT_RESOURCE_MBA,
 
 	/* Must be the last */

@@ -437,5 +442,6 @@ void cqm_setup_limbo_handler(struct rdt_domain *dom, unsigned long delay_ms);
 void cqm_handle_limbo(struct work_struct *work);
 bool has_busy_rmid(struct rdt_resource *r, struct rdt_domain *d);
 void __check_limbo(struct rdt_domain *d, bool force_free);
+void rdt_domain_reconfigure_cdp(struct rdt_resource *r);
 
 #endif /* _ASM_X86_INTEL_RDT_H */

215 lines not on this page · raw message

index ed7ce5184a77..0b9c7150cb23 100644
@@ -28,6 +28,7 @@ static const struct cpuid_bit cpuid_bits[] = {
 	{ X86_FEATURE_CAT_L3,		CPUID_EBX,  1, 0x00000010, 0 },
 	{ X86_FEATURE_CAT_L2,		CPUID_EBX,  2, 0x00000010, 0 },
 	{ X86_FEATURE_CDP_L3,		CPUID_ECX,  2, 0x00000010, 1 },
+	{ X86_FEATURE_CDP_L2,		CPUID_ECX,  2, 0x00000010, 2 },
 	{ X86_FEATURE_MBA,		CPUID_EBX,  3, 0x00000010, 0 },
 	{ X86_FEATURE_HW_PSTATE,	CPUID_EDX,  7, 0x80000007, 0 },
 	{ X86_FEATURE_CPB,		CPUID_EDX,  9, 0x80000007, 0 },

index 1152afad524f..6ec1cfd0addd 100644
@@ -494,7 +494,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 				entry->edx |= F(SPEC_CTRL);
 			if (boot_cpu_has(X86_FEATURE_STIBP))
 				entry->edx |= F(INTEL_STIBP);
-			if (boot_cpu_has(X86_FEATURE_SSBD))
+			if (boot_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) ||
+			    boot_cpu_has(X86_FEATURE_AMD_SSBD))
 				entry->edx |= F(SPEC_CTRL_SSBD);
 			/*
 			 * We emulate ARCH_CAPABILITIES in software even

188 lines not on this page · raw message

index d6851636edab..5f44827e4962 100644
@@ -6638,7 +6638,7 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu)
 	kvm_x86_ops->update_cr8_intercept(vcpu, tpr, max_irr);
 }
 
-static int inject_pending_event(struct kvm_vcpu *vcpu, bool req_int_win)
+static int inject_pending_event(struct kvm_vcpu *vcpu)
 {
 	int r;
 

@@ -6665,7 +6665,7 @@ static int inject_pending_event(struct kvm_vcpu *vcpu, bool req_int_win)
 	}
 
 	if (is_guest_mode(vcpu) && kvm_x86_ops->check_nested_events) {
-		r = kvm_x86_ops->check_nested_events(vcpu, req_int_win);
+		r = kvm_x86_ops->check_nested_events(vcpu);
 		if (r != 0)
 			return r;
 	}

@@ -6706,7 +6706,7 @@ static int inject_pending_event(struct kvm_vcpu *vcpu, bool req_int_win)
 		 * KVM_REQ_EVENT only on certain events and not unconditionally?
 		 */
 		if (is_guest_mode(vcpu) && kvm_x86_ops->check_nested_events) {
-			r = kvm_x86_ops->check_nested_events(vcpu, req_int_win);
+			r = kvm_x86_ops->check_nested_events(vcpu);
 			if (r != 0)
 				return r;
 		}

@@ -7152,7 +7152,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 			goto out;
 		}
 
-		if (inject_pending_event(vcpu, req_int_win) != 0)
+		if (inject_pending_event(vcpu) != 0)
 			req_immediate_exit = true;
 		else {
 			/* Enable NMI/IRQ window open exits if needed.

@@ -7360,7 +7360,7 @@ static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu)
 static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu)
 {
 	if (is_guest_mode(vcpu) && kvm_x86_ops->check_nested_events)
-		kvm_x86_ops->check_nested_events(vcpu, false);
+		kvm_x86_ops->check_nested_events(vcpu);
 
 	return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE &&
 		!vcpu->arch.apf.halted);

@@ -8584,6 +8584,13 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot,
 {
 	int i;
 
+	/*
+	 * Clear out the previous array pointers for the KVM_MR_MOVE case.  The
+	 * old arrays will be freed by __kvm_set_memory_region() if installing
+	 * the new memslot is successful.
+	 */
+	memset(&slot->arch, 0, sizeof(slot->arch));
+
 	for (i = 0; i < KVM_NR_PAGE_SIZES; ++i) {
 		struct kvm_lpage_info *linfo;
 		unsigned long ugfn;

@@ -8657,6 +8664,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 				const struct kvm_userspace_memory_region *mem,
 				enum kvm_mr_change change)
 {
+	if (change == KVM_MR_MOVE)
+		return kvm_arch_create_memslot(kvm, memslot,
+					       mem->memory_size >> PAGE_SHIFT);
+
 	return 0;
 }
 

index 93863c6173e6..959bee9fa911 100644
@@ -4541,20 +4541,28 @@ static void bfq_prepare_request(struct request *rq, struct bio *bio)
 	spin_unlock_irq(&bfqd->lock);
 }
 
-static void bfq_idle_slice_timer_body(struct bfq_queue *bfqq)
+static void
+bfq_idle_slice_timer_body(struct bfq_data *bfqd, struct bfq_queue *bfqq)
 {
-	struct bfq_data *bfqd = bfqq->bfqd;
 	enum bfqq_expiration reason;
 	unsigned long flags;
 
 	spin_lock_irqsave(&bfqd->lock, flags);
-	bfq_clear_bfqq_wait_request(bfqq);
 
+	/*
+	 * Considering that bfqq may be in race, we should firstly check
+	 * whether bfqq is in service before doing something on it. If
+	 * the bfqq in race is not in service, it has already been expired
+	 * through __bfq_bfqq_expire func and its wait_request flags has
+	 * been cleared in __bfq_bfqd_reset_in_service func.
+	 */
 	if (bfqq != bfqd->in_service_queue) {
 		spin_unlock_irqrestore(&bfqd->lock, flags);
 		return;
 	}
 
+	bfq_clear_bfqq_wait_request(bfqq);
+
 	if (bfq_bfqq_budget_timeout(bfqq))
 		/*
 		 * Also here the queue can be safely expired

@@ -4599,7 +4607,7 @@ static enum hrtimer_restart bfq_idle_slice_timer(struct hrtimer *timer)
 	 * early.
 	 */
 	if (bfqq)
-		bfq_idle_slice_timer_body(bfqq);
+		bfq_idle_slice_timer_body(bfqd, bfqq);
 
 	return HRTIMER_NORESTART;
 }

index f23311e4b201..e56a480b6f92 100644
@@ -87,6 +87,7 @@ static void ioc_destroy_icq(struct io_cq *icq)
 	 * making it impossible to determine icq_cache.  Record it in @icq.
 	 */
 	icq->__rcu_icq_cache = et->icq_cache;
+	icq->flags |= ICQ_DESTROYED;
 	call_rcu(&icq->__rcu_head, icq_free_icq_rcu);
 }
 

@@ -230,15 +231,21 @@ static void __ioc_clear_queue(struct list_head *icq_list)
 {
 	unsigned long flags;
 
+	rcu_read_lock();
 	while (!list_empty(icq_list)) {
 		struct io_cq *icq = list_entry(icq_list->next,
 					       struct io_cq, q_node);
 		struct io_context *ioc = icq->ioc;
 
 		spin_lock_irqsave(&ioc->lock, flags);
+		if (icq->flags & ICQ_DESTROYED) {
+			spin_unlock_irqrestore(&ioc->lock, flags);
+			continue;
+		}
 		ioc_destroy_icq(icq);
 		spin_unlock_irqrestore(&ioc->lock, flags);
 	}
+	rcu_read_unlock();
 }
 
 /**

index 6c2faaa38cc1..e0a744921ed3 100644
@@ -717,6 +717,9 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
 		printk(KERN_NOTICE "%s: Warning: Device %s is misaligned\n",
 		       top, bottom);
 	}
+
+	t->backing_dev_info->io_pages =
+		t->limits.max_sectors >> (PAGE_SHIFT - 9);
 }
 EXPORT_SYMBOL(disk_stack_limits);
 

index 7f9aff4b8d62..9fdc13a2f2d5 100644
@@ -909,13 +909,6 @@ static long __acpi_processor_get_throttling(void *data)
 	return pr->throttling.acpi_processor_get_throttling(pr);
 }
 
-static int call_on_cpu(int cpu, long (*fn)(void *), void *arg, bool direct)
-{
-	if (direct || (is_percpu_thread() && cpu == smp_processor_id()))
-		return fn(arg);
-	return work_on_cpu(cpu, fn, arg);
-}
-
 static int acpi_processor_get_throttling(struct acpi_processor *pr)
 {
 	if (!pr)

index 85aa76116a30..7924d0635718 100644
@@ -764,6 +764,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap,
 
 	if (dev->flags & ATA_DFLAG_DETACH) {
 		detach = 1;
+		rc = -ENODEV;
 		goto fail;
 	}
 

index eb0c4ee20525..2f81d6534270 100644
@@ -4571,22 +4571,19 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
 		 */
 		shost->max_host_blocked = 1;
 
-		rc = scsi_add_host_with_dma(ap->scsi_host,
-						&ap->tdev, ap->host->dev);
+		rc = scsi_add_host_with_dma(shost, &ap->tdev, ap->host->dev);
 		if (rc)
-			goto err_add;
+			goto err_alloc;
 	}
 
 	return 0;
 
- err_add:
-	scsi_host_put(host->ports[i]->scsi_host);
  err_alloc:
 	while (--i >= 0) {
 		struct Scsi_Host *shost = host->ports[i]->scsi_host;
 
+		/* scsi_host_put() is in ata_devres_release() */
 		scsi_remove_host(shost);
-		scsi_host_put(shost);
 	}
 	return rc;
 }

index 41be9ff7d70a..3da53cc6cf2b 100644
@@ -96,7 +96,7 @@ subsys_initcall(register_cpu_capacity_sysctl);
 static u32 capacity_scale;
 static u32 *raw_capacity;
 
-static int __init free_raw_capacity(void)
+static int free_raw_capacity(void)
 {
 	kfree(raw_capacity);
 	raw_capacity = NULL;

index f01d4a8a783a..b12e373aa956 100644
@@ -622,6 +622,7 @@ static struct nullb_cmd *__alloc_cmd(struct nullb_queue *nq)
 	if (tag != -1U) {
 		cmd = &nq->cmds[tag];
 		cmd->tag = tag;
+		cmd->error = BLK_STS_OK;
 		cmd->nq = nq;
 		if (nq->dev->irqmode == NULL_IRQ_TIMER) {
 			hrtimer_init(&cmd->timer, CLOCK_MONOTONIC,

@@ -1399,6 +1400,7 @@ static blk_status_t null_queue_rq(struct blk_mq_hw_ctx *hctx,
 		cmd->timer.function = null_cmd_timer_expired;
 	}
 	cmd->rq = bd->rq;
+	cmd->error = BLK_STS_OK;
 	cmd->nq = nq;
 
 	blk_mq_start_request(bd->rq);

@@ -1593,7 +1595,12 @@ static void null_nvm_unregister(struct nullb *nullb) {}
 
 static void null_del_dev(struct nullb *nullb)
 {
-	struct nullb_device *dev = nullb->dev;
+	struct nullb_device *dev;
+
+	if (!nullb)
+		return;
+
+	dev = nullb->dev;
 
 	ida_simple_remove(&nullb_indexes, nullb->index);
 

@@ -1919,6 +1926,7 @@ static int null_add_dev(struct nullb_device *dev)
 	cleanup_queues(nullb);
 out_free_nullb:
 	kfree(nullb);
+	dev->nullb = NULL;
 out:
 	return rv;
 }

index f2b1994d58a0..557cf52f674b 100644
@@ -3847,6 +3847,10 @@ static void cancel_tasks_sync(struct rbd_device *rbd_dev)
 	cancel_work_sync(&rbd_dev->unlock_work);
 }
 
+/*
+ * header_rwsem must not be held to avoid a deadlock with
+ * rbd_dev_refresh() when flushing notifies.
+ */
 static void rbd_unregister_watch(struct rbd_device *rbd_dev)
 {
 	WARN_ON(waitqueue_active(&rbd_dev->lock_waitq));

@@ -6044,9 +6048,10 @@ static int rbd_dev_header_name(struct rbd_device *rbd_dev)
 
 static void rbd_dev_image_release(struct rbd_device *rbd_dev)
 {
-	rbd_dev_unprobe(rbd_dev);
 	if (rbd_dev->opts)
 		rbd_unregister_watch(rbd_dev);
+
+	rbd_dev_unprobe(rbd_dev);
 	rbd_dev->image_format = 0;
 	kfree(rbd_dev->spec->image_id);
 	rbd_dev->spec->image_id = NULL;

@@ -6057,6 +6062,9 @@ static void rbd_dev_image_release(struct rbd_device *rbd_dev)
  * device.  If this image is the one being mapped (i.e., not a
  * parent), initiate a watch on its header object before using that
  * object to get detailed information about the rbd image.
+ *
+ * On success, returns with header_rwsem held for write if called
+ * with @depth == 0.
  */
 static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
 {

@@ -6087,9 +6095,12 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
 		}
 	}
 
+	if (!depth)
+		down_write(&rbd_dev->header_rwsem);
+
 	ret = rbd_dev_header_info(rbd_dev);
 	if (ret)
-		goto err_out_watch;
+		goto err_out_probe;
 
 	/*
 	 * If this image is the one being mapped, we have pool name and

@@ -6133,10 +6144,11 @@ static int rbd_dev_image_probe(struct rbd_device *rbd_dev, int depth)
 	return 0;
 
 err_out_probe:
-	rbd_dev_unprobe(rbd_dev);
-err_out_watch:
+	if (!depth)
+		up_write(&rbd_dev->header_rwsem);
 	if (!depth)
 		rbd_unregister_watch(rbd_dev);
+	rbd_dev_unprobe(rbd_dev);
 err_out_format:
 	rbd_dev->image_format = 0;
 	kfree(rbd_dev->spec->image_id);

@@ -6194,12 +6206,9 @@ static ssize_t do_rbd_add(struct bus_type *bus,
 		goto err_out_rbd_dev;
 	}
 
-	down_write(&rbd_dev->header_rwsem);
 	rc = rbd_dev_image_probe(rbd_dev, 0);
-	if (rc < 0) {
-		up_write(&rbd_dev->header_rwsem);
+	if (rc < 0)
 		goto err_out_rbd_dev;
-	}
 
 	/* If we are mapping a snapshot it must be marked read-only */
 

index 1b76d9585902..2ca2cc56bcef 100644
@@ -345,7 +345,7 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr,
 	if (ret)
 		goto unlock;
 
-	*buf = readl(rsb->regs + RSB_DATA);
+	*buf = readl(rsb->regs + RSB_DATA) & GENMASK(len * 8 - 1, 0);
 
 unlock:
 	mutex_unlock(&rsb->lock);

index c82d9fd2f05a..f72a272eeb9b 100644
@@ -2647,7 +2647,9 @@ get_guid(ipmi_smi_t intf)
 	if (rv)
 		/* Send failed, no GUID available. */
 		intf->bmc->guid_set = 0;
-	wait_event(intf->waitq, intf->bmc->guid_set != 2);
+	else
+		wait_event(intf->waitq, intf->bmc->guid_set != 2);
+
 	intf->null_user_handler = NULL;
 }
 

index 791770a563fc..6fac6383d024 100644
@@ -78,6 +78,9 @@ static int at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
 			tmp_parent_rate = req->rate * div;
 			tmp_parent_rate = clk_hw_round_rate(parent,
 							   tmp_parent_rate);
+			if (!tmp_parent_rate)
+				continue;
+
 			tmp_rate = DIV_ROUND_CLOSEST(tmp_parent_rate, div);
 			if (tmp_rate < req->rate)
 				tmp_diff = req->rate - tmp_rate;

index 8341a128dab1..44b6f23cc851 100644
@@ -2172,18 +2172,16 @@ static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry)
 
 	core->dentry = d;
 
-	d = debugfs_create_u32("clk_rate", S_IRUGO, core->dentry,
-			(u32 *)&core->rate);
+	d = debugfs_create_ulong("clk_rate", 0444, core->dentry, &core->rate);
 	if (!d)
 		goto err_out;
 
-	d = debugfs_create_u32("clk_accuracy", S_IRUGO, core->dentry,
-			(u32 *)&core->accuracy);
+	d = debugfs_create_ulong("clk_accuracy", 0444, core->dentry,
+				 &core->accuracy);
 	if (!d)
 		goto err_out;
 
-	d = debugfs_create_u32("clk_phase", S_IRUGO, core->dentry,
-			(u32 *)&core->phase);
+	d = debugfs_create_u32("clk_phase", 0444, core->dentry, &core->phase);
 	if (!d)
 		goto err_out;
 

@@ -2192,23 +2190,23 @@ static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry)
 	if (!d)
 		goto err_out;
 
-	d = debugfs_create_u32("clk_prepare_count", S_IRUGO, core->dentry,
-			(u32 *)&core->prepare_count);
+	d = debugfs_create_u32("clk_prepare_count", 0444, core->dentry,
+			       &core->prepare_count);
 	if (!d)
 		goto err_out;
 
-	d = debugfs_create_u32("clk_enable_count", S_IRUGO, core->dentry,
-			(u32 *)&core->enable_count);
+	d = debugfs_create_u32("clk_enable_count", 0444, core->dentry,
+			       &core->enable_count);
 	if (!d)
 		goto err_out;
 
-	d = debugfs_create_u32("clk_notifier_count", S_IRUGO, core->dentry,
-			(u32 *)&core->notifier_count);
+	d = debugfs_create_u32("clk_notifier_count", 0444, core->dentry,
+			       &core->notifier_count);
 	if (!d)
 		goto err_out;
 
 	if (core->num_parents > 1) {
-		d = debugfs_create_file("clk_possible_parents", S_IRUGO,
+		d = debugfs_create_file("clk_possible_parents", 0444,
 				core->dentry, core, &possible_parents_fops);
 		if (!d)
 			goto err_out;

@@ -2304,22 +2302,22 @@ static int __init clk_debug_init(void)
 	if (!rootdir)
 		return -ENOMEM;
 
-	d = debugfs_create_file("clk_summary", S_IRUGO, rootdir, &all_lists,
+	d = debugfs_create_file("clk_summary", 0444, rootdir, &all_lists,
 				&clk_summary_fops);
 	if (!d)
 		return -ENOMEM;
 
-	d = debugfs_create_file("clk_dump", S_IRUGO, rootdir, &all_lists,
+	d = debugfs_create_file("clk_dump", 0444, rootdir, &all_lists,
 				&clk_dump_fops);
 	if (!d)
 		return -ENOMEM;
 
-	d = debugfs_create_file("clk_orphan_summary", S_IRUGO, rootdir,
+	d = debugfs_create_file("clk_orphan_summary", 0444, rootdir,
 				&orphan_list, &clk_summary_fops);
 	if (!d)
 		return -ENOMEM;
 
-	d = debugfs_create_file("clk_orphan_dump", S_IRUGO, rootdir,
+	d = debugfs_create_file("clk_orphan_dump", 0444, rootdir,
 				&orphan_list, &clk_dump_fops);
 	if (!d)
 		return -ENOMEM;

index a35579a3f884..476dab494c44 100644
@@ -60,16 +60,16 @@ struct pmc_clk_init_data {
 
 static DEFINE_SPINLOCK(clk_out_lock);
 
-static const char *clk_out1_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern1",
+static const char *clk_out1_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern1",
 };
 
-static const char *clk_out2_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern2",
+static const char *clk_out2_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern2",
 };
 
-static const char *clk_out3_parents[] = { "clk_m", "clk_m_div2",
-	"clk_m_div4", "extern3",
+static const char *clk_out3_parents[] = { "osc", "osc_div2",
+	"osc_div4", "extern3",
 };
 
 static struct pmc_clk_init_data pmc_clks[] = {

index 33854bf127f9..25c9a6cdd861 100644
@@ -1041,6 +1041,12 @@ static int init_chip_info(void)
 
 static inline void clean_chip_info(void)
 {
+	int i;
+
+	/* flush any pending work items */
+	if (chips)
+		for (i = 0; i < nr_chips; i++)
+			cancel_work_sync(&chips[i].throttle);
 	kfree(chips);
 }
 

index b23c7b72525c..a3d507fb9ea5 100644
@@ -1280,7 +1280,13 @@ EXPORT_SYMBOL(cnstr_shdsc_ablkcipher_givencap);
  */
 void cnstr_shdsc_xts_ablkcipher_encap(u32 * const desc, struct alginfo *cdata)
 {
-	__be64 sector_size = cpu_to_be64(512);
+	/*
+	 * Set sector size to a big value, practically disabling
+	 * sector size segmentation in xts implementation. We cannot
+	 * take full advantage of this HW feature with existing
+	 * crypto API / dm-crypt SW architecture.
+	 */
+	__be64 sector_size = cpu_to_be64(BIT(15));
 	u32 *key_jump_cmd;
 
 	init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX);

@@ -1332,7 +1338,13 @@ EXPORT_SYMBOL(cnstr_shdsc_xts_ablkcipher_encap);
  */
 void cnstr_shdsc_xts_ablkcipher_decap(u32 * const desc, struct alginfo *cdata)
 {
-	__be64 sector_size = cpu_to_be64(512);
+	/*
+	 * Set sector size to a big value, practically disabling
+	 * sector size segmentation in xts implementation. We cannot
+	 * take full advantage of this HW feature with existing
+	 * crypto API / dm-crypt SW architecture.
+	 */
+	__be64 sector_size = cpu_to_be64(BIT(15));
 	u32 *key_jump_cmd;
 
 	init_sh_desc(desc, HDR_SHARE_SERIAL | HDR_SAVECTX);

83 lines not on this page · raw message

index f50072b51aef..b39b7e6d4e4d 100644
@@ -550,7 +550,7 @@ int __init efi_config_parse_tables(void *config_tables, int count, int sz,
 		}
 	}
 
-	if (efi_enabled(EFI_MEMMAP))
+	if (!IS_ENABLED(CONFIG_X86_32) && efi_enabled(EFI_MEMMAP))
 		efi_memattr_init();
 
 	/* Parse the EFI Properties table if it exists */

index f0777a7a4305..d5b42cc86d71 100644
@@ -1245,31 +1245,14 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data)
 		struct gpio_desc *desc = &gdev->descs[i];
 
 		desc->gdev = gdev;
-		/*
-		 * REVISIT: most hardware initializes GPIOs as inputs
-		 * (often with pullups enabled) so power usage is
-		 * minimized. Linux code should set the gpio direction
-		 * first thing; but until it does, and in case
-		 * chip->get_direction is not set, we may expose the
-		 * wrong direction in sysfs.
-		 */
-
-		if (chip->get_direction) {
-			/*
-			 * If we have .get_direction, set up the initial
-			 * direction flag from the hardware.
-			 */
-			int dir = chip->get_direction(chip, i);
 
-			if (!dir)
-				set_bit(FLAG_IS_OUT, &desc->flags);
-		} else if (!chip->direction_input) {
-			/*
-			 * If the chip lacks the .direction_input callback
-			 * we logically assume all lines are outputs.
-			 */
-			set_bit(FLAG_IS_OUT, &desc->flags);
-		}
+		/* REVISIT: most hardware initializes GPIOs as inputs (often
+		 * with pullups enabled) so power usage is minimized. Linux
+		 * code should set the gpio direction first thing; but until
+		 * it does, and in case chip->get_direction is not set, we may
+		 * expose the wrong direction in sysfs.
+		 */
+		desc->flags = !chip->direction_input ? (1 << FLAG_IS_OUT) : 0;
 	}
 
 #ifdef CONFIG_PINCTRL

index 61fff25b4ce7..ecd4eba221c0 100644
@@ -550,9 +550,9 @@ int kfd_gtt_sa_allocate(struct kfd_dev *kfd, unsigned int size,
 	return 0;
 
 kfd_gtt_no_free_chunk:
-	pr_debug("Allocation failed with mem_obj = %p\n", mem_obj);
+	pr_debug("Allocation failed with mem_obj = %p\n", *mem_obj);
 	mutex_unlock(&kfd->gtt_sa_lock);
-	kfree(mem_obj);
+	kfree(*mem_obj);
 	return -ENOMEM;
 }
 

index f0d819fc16cd..42eaeae86bb8 100644
@@ -1043,10 +1043,12 @@ static bool drm_dp_port_setup_pdt(struct drm_dp_mst_port *port)
 		lct = drm_dp_calculate_rad(port, rad);
 
 		port->mstb = drm_dp_add_mst_branch_device(lct, rad);
-		port->mstb->mgr = port->mgr;
-		port->mstb->port_parent = port;
+		if (port->mstb) {
+			port->mstb->mgr = port->mgr;
+			port->mstb->port_parent = port;
 
-		send_link = true;
+			send_link = true;
+		}
 		break;
 	}
 	return send_link;

@@ -2038,6 +2040,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 	int ret = 0;
 	struct drm_dp_mst_branch *mstb = NULL;
 
+	mutex_lock(&mgr->payload_lock);
 	mutex_lock(&mgr->lock);
 	if (mst_state == mgr->mst_state)
 		goto out_unlock;

@@ -2096,7 +2099,10 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 		/* this can fail if the device is gone */
 		drm_dp_dpcd_writeb(mgr->aux, DP_MSTM_CTRL, 0);
 		ret = 0;
-		memset(mgr->payloads, 0, mgr->max_payloads * sizeof(struct drm_dp_payload));
+		memset(mgr->payloads, 0,
+		       mgr->max_payloads * sizeof(mgr->payloads[0]));
+		memset(mgr->proposed_vcpis, 0,
+		       mgr->max_payloads * sizeof(mgr->proposed_vcpis[0]));
 		mgr->payload_mask = 0;
 		set_bit(0, &mgr->payload_mask);
 		mgr->vcpi_mask = 0;

@@ -2104,6 +2110,7 @@ int drm_dp_mst_topology_mgr_set_mst(struct drm_dp_mst_topology_mgr *mgr, bool ms
 
 out_unlock:
 	mutex_unlock(&mgr->lock);
+	mutex_unlock(&mgr->payload_lock);
 	if (mstb)
 		drm_dp_put_mst_branch_device(mstb);
 	return ret;

index 1235c9877d6f..2078d7706a67 100644
@@ -46,8 +46,6 @@
 drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align)
 {
 	drm_dma_handle_t *dmah;
-	unsigned long addr;
-	size_t sz;
 
 	/* pci_alloc_consistent only guarantees alignment to the smallest
 	 * PAGE_SIZE order which is greater than or equal to the requested size.

@@ -61,22 +59,13 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
 		return NULL;
 
 	dmah->size = size;
-	dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
+	dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL);
 
 	if (dmah->vaddr == NULL) {
 		kfree(dmah);
 		return NULL;
 	}
 
-	memset(dmah->vaddr, 0, size);
-
-	/* XXX - Is virt_to_page() legal for consistent mem? */
-	/* Reserve */
-	for (addr = (unsigned long)dmah->vaddr, sz = size;
-	     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-		SetPageReserved(virt_to_page((void *)addr));
-	}
-
 	return dmah;
 }
 

@@ -89,19 +78,9 @@ EXPORT_SYMBOL(drm_pci_alloc);
  */
 void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
 {
-	unsigned long addr;
-	size_t sz;
-
-	if (dmah->vaddr) {
-		/* XXX - Is virt_to_page() legal for consistent mem? */
-		/* Unreserve */
-		for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
-		     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-			ClearPageReserved(virt_to_page((void *)addr));
-		}
+	if (dmah->vaddr)
 		dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
 				  dmah->busaddr);
-	}
 }
 
 /**

index 9e62f893958a..81158ae8bfe3 100644
@@ -437,6 +437,7 @@ static void st_i2c_wr_fill_tx_fifo(struct st_i2c_dev *i2c_dev)
 /**
  * st_i2c_rd_fill_tx_fifo() - Fill the Tx FIFO in read mode
  * @i2c_dev: Controller's private data
+ * @max: Maximum amount of data to fill into the Tx FIFO
  *
  * This functions fills the Tx FIFO with fixed pattern when
  * in read mode to trigger clock.

index 136f6e7bf797..0d0f977a2f39 100644
@@ -534,6 +534,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 		},
 	},
+	{
+		/*
+		 * Acer Aspire 5738z
+		 * Touchpad stops working in mux mode when dis- + re-enabled
+		 * with the touchpad enable/disable toggle hotkey
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
+		},
+	},
 	{ }
 };
 

index 3054c0971759..74c8638aac2b 100644
@@ -348,7 +348,7 @@
 
 #define DTE_GCR3_VAL_A(x)	(((x) >> 12) & 0x00007ULL)
 #define DTE_GCR3_VAL_B(x)	(((x) >> 15) & 0x0ffffULL)
-#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0xfffffULL)
+#define DTE_GCR3_VAL_C(x)	(((x) >> 31) & 0x1fffffULL)
 
 #define DTE_GCR3_INDEX_A	0
 #define DTE_GCR3_INDEX_B	1

index f5573bb9f450..837459762eb3 100644
@@ -613,14 +613,15 @@ static irqreturn_t prq_event_thread(int irq, void *d)
 		 * any faults on kernel addresses. */
 		if (!svm->mm)
 			goto bad_req;
-		/* If the mm is already defunct, don't handle faults. */
-		if (!mmget_not_zero(svm->mm))
-			goto bad_req;
 
 		/* If address is not canonical, return invalid response */
 		if (!is_canonical_address(address))
 			goto bad_req;
 
+		/* If the mm is already defunct, don't handle faults. */
+		if (!mmget_not_zero(svm->mm))
+			goto bad_req;
+
 		down_read(&svm->mm->mmap_sem);
 		vma = find_extend_vma(svm->mm, address);
 		if (!vma || address < vma->vm_start)

index 799df1e598db..84b23d902d5b 100644
@@ -2591,12 +2591,18 @@ static int its_vpe_set_irqchip_state(struct irq_data *d,
 	return 0;
 }
 
+static int its_vpe_retrigger(struct irq_data *d)
+{
+	return !its_vpe_set_irqchip_state(d, IRQCHIP_STATE_PENDING, true);
+}
+
 static struct irq_chip its_vpe_irq_chip = {
 	.name			= "GICv4-vpe",
 	.irq_mask		= its_vpe_mask_irq,
 	.irq_unmask		= its_vpe_unmask_irq,
 	.irq_eoi		= irq_chip_eoi_parent,
 	.irq_set_affinity	= its_vpe_set_affinity,
+	.irq_retrigger		= its_vpe_retrigger,
 	.irq_set_irqchip_state	= its_vpe_set_irqchip_state,
 	.irq_set_vcpu_affinity	= its_vpe_set_vcpu_affinity,
 };

index f7fdbf5d183b..c98358be0bc8 100644
@@ -231,10 +231,16 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
 	return 0;
 }
 
+static void mbigen_irq_domain_free(struct irq_domain *domain, unsigned int virq,
+				   unsigned int nr_irqs)
+{
+	platform_msi_domain_free(domain, virq, nr_irqs);
+}
+
 static const struct irq_domain_ops mbigen_domain_ops = {
 	.translate	= mbigen_domain_translate,
 	.alloc		= mbigen_irq_domain_alloc,
-	.free		= irq_domain_free_irqs_common,
+	.free		= mbigen_irq_domain_free,
 };
 
 static int mbigen_of_create_domain(struct platform_device *pdev,

index 928858dada75..f1386733d3bc 100644
@@ -6,6 +6,7 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/irqchip.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/irqchip/versatile-fpga.h>
 #include <linux/irqdomain.h>
 #include <linux/module.h>

@@ -68,12 +69,16 @@ static void fpga_irq_unmask(struct irq_data *d)
 
 static void fpga_irq_handle(struct irq_desc *desc)
 {
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct fpga_irq_data *f = irq_desc_get_handler_data(desc);
-	u32 status = readl(f->base + IRQ_STATUS);
+	u32 status;
+
+	chained_irq_enter(chip, desc);
 
+	status = readl(f->base + IRQ_STATUS);
 	if (status == 0) {
 		do_bad_IRQ(desc);
-		return;
+		goto out;
 	}
 
 	do {

@@ -82,6 +87,9 @@ static void fpga_irq_handle(struct irq_desc *desc)
 		status &= ~(1 << irq);
 		generic_handle_irq(irq_find_mapping(f->domain, irq));
 	} while (status);
+
+out:
+	chained_irq_exit(chip, desc);
 }
 
 /*

@@ -204,6 +212,9 @@ int __init fpga_irq_of_init(struct device_node *node,
 	if (of_property_read_u32(node, "valid-mask", &valid_mask))
 		valid_mask = 0;
 
+	writel(clear_mask, base + IRQ_ENABLE_CLEAR);
+	writel(clear_mask, base + FIQ_ENABLE_CLEAR);
+
 	/* Some chips are cascaded from a parent IRQ */
 	parent_irq = irq_of_parse_and_map(node, 0);
 	if (!parent_irq) {

@@ -213,9 +224,6 @@ int __init fpga_irq_of_init(struct device_node *node,
 
 	fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
 
-	writel(clear_mask, base + IRQ_ENABLE_CLEAR);
-	writel(clear_mask, base + FIQ_ENABLE_CLEAR);
-
 	/*
 	 * On Versatile AB/PB, some secondary interrupts have a direct
 	 * pass-thru to the primary controller for IRQs 20 and 22-31 which need

index b1b68e01b889..53cd31199f21 100644
@@ -70,6 +70,11 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
 		arg_name = dm_shift_arg(as);
 		argc--;
 
+		if (!arg_name) {
+			ti->error = "Insufficient feature arguments";
+			return -EINVAL;
+		}
+
 		/*
 		 * drop_writes
 		 */

index e13f90832b6b..285148100cde 100644
@@ -552,6 +552,7 @@ void verity_fec_dtr(struct dm_verity *v)
 	mempool_destroy(f->rs_pool);
 	mempool_destroy(f->prealloc_pool);
 	mempool_destroy(f->extra_pool);
+	mempool_destroy(f->output_pool);
 	kmem_cache_destroy(f->cache);
 
 	if (f->data_bufio)

index e3b67b145027..4d658a0c6025 100644
@@ -1105,7 +1105,6 @@ static int dmz_init_zone(struct dmz_metadata *zmd, struct dm_zone *zone,
 
 	if (blkz->type == BLK_ZONE_TYPE_CONVENTIONAL) {
 		set_bit(DMZ_RND, &zone->flags);
-		zmd->nr_rnd_zones++;
 	} else if (blkz->type == BLK_ZONE_TYPE_SEQWRITE_REQ ||
 		   blkz->type == BLK_ZONE_TYPE_SEQWRITE_PREF) {
 		set_bit(DMZ_SEQ, &zone->flags);

index 42e383a48ffe..b6dcae1ecc1b 100644
@@ -544,16 +544,16 @@ static void enable_irqs(struct cal_ctx *ctx)
 
 static void disable_irqs(struct cal_ctx *ctx)
 {
+	u32 val;
+
 	/* Disable IRQ_WDMA_END 0/1 */
-	reg_write_field(ctx->dev,
-			CAL_HL_IRQENABLE_CLR(2),
-			CAL_HL_IRQ_CLEAR,
-			CAL_HL_IRQ_MASK(ctx->csi2_port));
+	val = 0;
+	set_field(&val, CAL_HL_IRQ_CLEAR, CAL_HL_IRQ_MASK(ctx->csi2_port));
+	reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(2), val);
 	/* Disable IRQ_WDMA_START 0/1 */
-	reg_write_field(ctx->dev,
-			CAL_HL_IRQENABLE_CLR(3),
-			CAL_HL_IRQ_CLEAR,
-			CAL_HL_IRQ_MASK(ctx->csi2_port));
+	val = 0;
+	set_field(&val, CAL_HL_IRQ_CLEAR, CAL_HL_IRQ_MASK(ctx->csi2_port));
+	reg_write(ctx->dev, CAL_HL_IRQENABLE_CLR(3), val);
 	/* Todo: Add VC_IRQ and CSI2_COMPLEXIO_IRQ handling */
 	reg_write(ctx->dev, CAL_CSI2_VC_IRQENABLE(1), 0);
 }

index 95d0f2df0ad4..672831d5ee32 100644
@@ -93,6 +93,11 @@ struct dln2_mod_rx_slots {
 	spinlock_t lock;
 };
 
+enum dln2_endpoint {
+	DLN2_EP_OUT	= 0,
+	DLN2_EP_IN	= 1,
+};
+
 struct dln2_dev {
 	struct usb_device *usb_dev;
 	struct usb_interface *interface;

@@ -740,10 +745,10 @@ static int dln2_probe(struct usb_interface *interface,
 	    hostif->desc.bNumEndpoints < 2)
 		return -ENODEV;
 
-	epin = &hostif->endpoint[0].desc;
-	epout = &hostif->endpoint[1].desc;
+	epout = &hostif->endpoint[DLN2_EP_OUT].desc;
 	if (!usb_endpoint_is_bulk_out(epout))
 		return -ENODEV;
+	epin = &hostif->endpoint[DLN2_EP_IN].desc;
 	if (!usb_endpoint_is_bulk_in(epin))
 		return -ENODEV;
 

index ff296a4bf3d2..dc6a9432a4b6 100644
@@ -369,6 +369,7 @@ static const struct pcr_ops rts522a_pcr_ops = {
 void rts522a_init_params(struct rtsx_pcr *pcr)
 {
 	rts5227_init_params(pcr);
+	pcr->ops = &rts522a_pcr_ops;
 
 	pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3;
 }

index 9597e9523cac..fff13176f9b8 100644
@@ -454,7 +454,7 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx)
 	 */
 	ec->factor = 0;
 	ec->shift = 0;
-	if ((ec->nonupdate_dwell == 0)) {
+	if (!ec->nonupdate_dwell) {
 		int p, logp, shift;
 
 		/* Determine:

index 8b66e52ca3cc..9734e6903fe6 100644
@@ -247,22 +247,25 @@ static int phram_setup(const char *val)
 
 	ret = parse_num64(&start, token[1]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal start address\n");
+		goto error;
 	}
 
 	ret = parse_num64(&len, token[2]);
 	if (ret) {
-		kfree(name);
 		parse_err("illegal device length\n");
+		goto error;
 	}
 
 	ret = register_device(name, start, len);
-	if (!ret)
-		pr_info("%s device: %#llx at %#llx\n", name, len, start);
-	else
-		kfree(name);
+	if (ret)
+		goto error;
+
+	pr_info("%s device: %#llx at %#llx\n", name, len, start);
+	return 0;
 
+error:
+	kfree(name);
 	return ret;
 }
 

index 018c75faadb3..e1c283ccbbde 100644
@@ -81,7 +81,6 @@ struct mtd_info *lpddr_cmdset(struct map_info *map)
 	shared = kmalloc(sizeof(struct flchip_shared) * lpddr->numchips,
 						GFP_KERNEL);
 	if (!shared) {
-		kfree(lpddr);
 		kfree(mtd);
 		return NULL;
 	}

index 7f8d269dd75a..814618c0b632 100644
@@ -130,17 +130,14 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port,
 	    (fs->m_ext.vlan_etype || fs->m_ext.data[1]))
 		return -EINVAL;
 
-	if (fs->location != RX_CLS_LOC_ANY && fs->location >= CFP_NUM_RULES)
+	if (fs->location != RX_CLS_LOC_ANY &&
+	    fs->location > bcm_sf2_cfp_rule_size(priv))
 		return -EINVAL;
 
 	if (fs->location != RX_CLS_LOC_ANY &&
 	    test_bit(fs->location, priv->cfp.used))
 		return -EBUSY;
 
-	if (fs->location != RX_CLS_LOC_ANY &&
-	    fs->location > bcm_sf2_cfp_rule_size(priv))
-		return -EINVAL;
-
 	ip_frag = be32_to_cpu(fs->m_ext.data[0]);
 
 	/* We do not support discarding packets, check that the

@@ -333,7 +330,7 @@ static int bcm_sf2_cfp_rule_del(struct bcm_sf2_priv *priv, int port,
 	int ret;
 	u32 reg;
 
-	if (loc >= CFP_NUM_RULES)
+	if (loc > bcm_sf2_cfp_rule_size(priv))
 		return -EINVAL;
 
 	/* Refuse deletion of unused rules, and the default reserved rule */

index c65d2cdcc7cf..8556962e6824 100644
@@ -515,7 +515,7 @@ static void xgbe_isr_task(unsigned long data)
 				xgbe_disable_rx_tx_ints(pdata);
 
 				/* Turn on polling */
-				__napi_schedule_irqoff(&pdata->napi);
+				__napi_schedule(&pdata->napi);
 			}
 		} else {
 			/* Don't clear Rx/Tx status if doing per channel DMA

index 9f9d6cae39d5..758f2b836328 100644
@@ -246,6 +246,9 @@ static int  cxgb4_ptp_fineadjtime(struct adapter *adapter, s64 delta)
 			     FW_PTP_CMD_PORTID_V(0));
 	c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16));
 	c.u.ts.sc = FW_PTP_SC_ADJ_FTIME;
+	c.u.ts.sign = (delta < 0) ? 1 : 0;
+	if (delta < 0)
+		delta = -delta;
 	c.u.ts.tm = cpu_to_be64(delta);
 
 	err = t4_wr_mbox(adapter, adapter->mbox, &c, sizeof(c), NULL);

index 7d95f0866fb0..e1de97effcd2 100644
@@ -398,7 +398,8 @@ static int cmdq_sync_cmd_direct_resp(struct hinic_cmdq *cmdq,
 
 	spin_unlock_bh(&cmdq->cmdq_lock);
 
-	if (!wait_for_completion_timeout(&done, CMDQ_TIMEOUT)) {
+	if (!wait_for_completion_timeout(&done,
+					 msecs_to_jiffies(CMDQ_TIMEOUT))) {
 		spin_lock_bh(&cmdq->cmdq_lock);
 
 		if (cmdq->errcode[curr_prod_idx] == &errcode)

63 lines not on this page · raw message

index 278dc13f3dae..9fcf2e5e0003 100644
@@ -52,7 +52,7 @@
 
 #define MSG_NOT_RESP                    0xFFFF
 
-#define MGMT_MSG_TIMEOUT                1000
+#define MGMT_MSG_TIMEOUT                5000
 
 #define mgmt_to_pfhwdev(pf_mgmt)        \
 		container_of(pf_mgmt, struct hinic_pfhwdev, pf_to_mgmt)

@@ -276,7 +276,8 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
 		goto unlock_sync_msg;
 	}
 
-	if (!wait_for_completion_timeout(recv_done, MGMT_MSG_TIMEOUT)) {
+	if (!wait_for_completion_timeout(recv_done,
+					 msecs_to_jiffies(MGMT_MSG_TIMEOUT))) {
 		dev_err(&pdev->dev, "MGMT timeout, MSG id = %d\n", msg_id);
 		err = -ETIMEDOUT;
 		goto unlock_sync_msg;

index cfa970417f81..fe4a4315d20d 100644
@@ -2065,7 +2065,7 @@ vxge_hw_vpath_strip_fcs_check(struct __vxge_hw_device *hldev, u64 vpath_mask);
 	if ((level >= VXGE_ERR && VXGE_COMPONENT_LL & VXGE_DEBUG_ERR_MASK) ||  \
 	    (level >= VXGE_TRACE && VXGE_COMPONENT_LL & VXGE_DEBUG_TRACE_MASK))\
 		if ((mask & VXGE_DEBUG_MASK) == mask)			       \
-			printk(fmt "\n", __VA_ARGS__);			       \
+			printk(fmt "\n", ##__VA_ARGS__);		       \
 } while (0)
 #else
 #define vxge_debug_ll(level, mask, fmt, ...)

index 3a79d93b8445..5b535aa10d23 100644
@@ -454,49 +454,49 @@ int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override);
 
 #if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
 #define vxge_debug_ll_config(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_ll_config(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
 #define vxge_debug_init(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_init(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
 #define vxge_debug_tx(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_tx(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
 #define vxge_debug_rx(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_rx(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
 #define vxge_debug_mem(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_mem(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
 #define vxge_debug_entryexit(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_entryexit(level, fmt, ...)
 #endif
 
 #if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
 #define vxge_debug_intr(level, fmt, ...) \
-	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, __VA_ARGS__)
+	vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, ##__VA_ARGS__)
 #else
 #define vxge_debug_intr(level, fmt, ...)
 #endif

index 07f9067affc6..cda5b0a9e948 100644
@@ -1720,7 +1720,7 @@ static int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_d
 
 	ahw->reset.seq_error = 0;
 	ahw->reset.buff = kzalloc(QLC_83XX_RESTART_TEMPLATE_SIZE, GFP_KERNEL);
-	if (p_dev->ahw->reset.buff == NULL)
+	if (ahw->reset.buff == NULL)
 		return -ENOMEM;
 
 	p_buff = p_dev->ahw->reset.buff;

index fc1fa0f9f338..57694eada995 100644
@@ -155,6 +155,8 @@ static int sun7i_gmac_probe(struct platform_device *pdev)
 	plat_dat->init = sun7i_gmac_init;
 	plat_dat->exit = sun7i_gmac_exit;
 	plat_dat->fix_mac_speed = sun7i_fix_speed;
+	plat_dat->tx_fifo_size = 4096;
+	plat_dat->rx_fifo_size = 16384;
 
 	ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
 	if (ret)

index 72ad84fde5c1..8e084670c3c2 100644
@@ -1456,6 +1456,9 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
 		ath_chanctx_set_channel(sc, ctx, &hw->conf.chandef);
 	}
 
+	if (changed & IEEE80211_CONF_CHANGE_POWER)
+		ath9k_set_txpower(sc, NULL);
+
 	mutex_unlock(&sc->mutex);
 	ath9k_ps_restore(sc);
 

index c374ed311520..58784e77e215 100644
@@ -1735,9 +1735,12 @@ static int wil_cfg80211_suspend(struct wiphy *wiphy,
 
 	wil_dbg_pm(wil, "suspending\n");
 
-	wil_p2p_stop_discovery(wil);
-
+	mutex_lock(&wil->mutex);
+	mutex_lock(&wil->p2p_wdev_mutex);
+	wil_p2p_stop_radio_operations(wil);
 	wil_abort_scan(wil, true);
+	mutex_unlock(&wil->p2p_wdev_mutex);
+	mutex_unlock(&wil->mutex);
 
 out:
 	return rc;

index 6db00c167d2e..3a98f75c5d7e 100644
@@ -1093,7 +1093,7 @@ static const struct file_operations fops_ssid = {
 };
 
 /*---------temp------------*/
-static void print_temp(struct seq_file *s, const char *prefix, u32 t)
+static void print_temp(struct seq_file *s, const char *prefix, s32 t)
 {
 	switch (t) {
 	case 0:

@@ -1101,7 +1101,8 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 		seq_printf(s, "%s N/A\n", prefix);
 	break;
 	default:
-		seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
+		seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
+			   abs(t / 1000), abs(t % 1000));
 		break;
 	}
 }

@@ -1109,7 +1110,7 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t)
 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
 {
 	struct wil6210_priv *wil = s->private;
-	u32 t_m, t_r;
+	s32 t_m, t_r;
 	int rc = wmi_get_temperature(wil, &t_m, &t_r);
 
 	if (rc) {

95 lines not on this page · raw message

index 59def4f3fcf3..5cf341702dc1 100644
@@ -358,6 +358,25 @@ static void wil_cache_mbox_regs(struct wil6210_priv *wil)
 	wil_mbox_ring_le2cpus(&wil->mbox_ctl.tx);
 }
 
+static bool wil_validate_mbox_regs(struct wil6210_priv *wil)
+{
+	size_t min_size = sizeof(struct wil6210_mbox_hdr) +
+		sizeof(struct wmi_cmd_hdr);
+
+	if (wil->mbox_ctl.rx.entry_size < min_size) {
+		wil_err(wil, "rx mbox entry too small (%d)\n",
+			wil->mbox_ctl.rx.entry_size);
+		return false;
+	}
+	if (wil->mbox_ctl.tx.entry_size < min_size) {
+		wil_err(wil, "tx mbox entry too small (%d)\n",
+			wil->mbox_ctl.tx.entry_size);
+		return false;
+	}
+
+	return true;
+}
+
 static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
 {
 	struct wil6210_priv *wil = cookie;

@@ -393,7 +412,8 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
 	if (isr & ISR_MISC_FW_READY) {
 		wil_dbg_irq(wil, "IRQ: FW ready\n");
 		wil_cache_mbox_regs(wil);
-		set_bit(wil_status_mbox_ready, wil->status);
+		if (wil_validate_mbox_regs(wil))
+			set_bit(wil_status_mbox_ready, wil->status);
 		/**
 		 * Actual FW ready indicated by the
 		 * WMI_FW_READY_EVENTID

index bac829aa950d..a3dc42841526 100644
@@ -871,7 +871,7 @@ static void wil_bl_crash_info(struct wil6210_priv *wil, bool is_err)
 
 static int wil_wait_for_fw_ready(struct wil6210_priv *wil)
 {
-	ulong to = msecs_to_jiffies(1000);
+	ulong to = msecs_to_jiffies(2000);
 	ulong left = wait_for_completion_timeout(&wil->wmi_ready, to);
 
 	if (0 == left) {

index 6a3ab4bf916d..b2c3cf6db881 100644
@@ -393,6 +393,9 @@ static int wil6210_suspend(struct device *dev, bool is_runtime)
 	int rc = 0;
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
+	struct net_device *ndev = wil_to_ndev(wil);
+	bool keep_radio_on = ndev->flags & IFF_UP &&
+			     wil->keep_radio_on_during_sleep;
 
 	wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");
 

@@ -400,14 +403,14 @@ static int wil6210_suspend(struct device *dev, bool is_runtime)
 	if (rc)
 		goto out;
 
-	rc = wil_suspend(wil, is_runtime);
+	rc = wil_suspend(wil, is_runtime, keep_radio_on);
 	if (!rc) {
 		wil->suspend_stats.successful_suspends++;
 
-		/* If platform device supports keep_radio_on_during_sleep
-		 * it will control PCIe master
+		/* In case radio stays on, platform device will control
+		 * PCIe master
 		 */
-		if (!wil->keep_radio_on_during_sleep)
+		if (!keep_radio_on)
 			/* disable bus mastering */
 			pci_clear_master(pdev);
 	}

@@ -420,20 +423,23 @@ static int wil6210_resume(struct device *dev, bool is_runtime)
 	int rc = 0;
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
+	struct net_device *ndev = wil_to_ndev(wil);
+	bool keep_radio_on = ndev->flags & IFF_UP &&
+			     wil->keep_radio_on_during_sleep;
 
 	wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");
 
-	/* If platform device supports keep_radio_on_during_sleep it will
-	 * control PCIe master
+	/* In case radio stays on, platform device will control
+	 * PCIe master
 	 */
-	if (!wil->keep_radio_on_during_sleep)
+	if (!keep_radio_on)
 		/* allow master */
 		pci_set_master(pdev);
-	rc = wil_resume(wil, is_runtime);
+	rc = wil_resume(wil, is_runtime, keep_radio_on);
 	if (rc) {
 		wil_err(wil, "device failed to resume (%d)\n", rc);
 		wil->suspend_stats.failed_resumes++;
-		if (!wil->keep_radio_on_during_sleep)
+		if (!keep_radio_on)
 			pci_clear_master(pdev);
 	} else {
 		wil->suspend_stats.successful_resumes++;

index 8f5d1b447aaa..8378742ecd49 100644
@@ -279,12 +279,9 @@ static int wil_resume_radio_off(struct wil6210_priv *wil)
 	return rc;
 }
 
-int wil_suspend(struct wil6210_priv *wil, bool is_runtime)
+int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)
 {
 	int rc = 0;
-	struct net_device *ndev = wil_to_ndev(wil);
-	bool keep_radio_on = ndev->flags & IFF_UP &&
-			     wil->keep_radio_on_during_sleep;
 
 	wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");
 

@@ -307,12 +304,9 @@ int wil_suspend(struct wil6210_priv *wil, bool is_runtime)
 	return rc;
 }
 
-int wil_resume(struct wil6210_priv *wil, bool is_runtime)
+int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on)
 {
 	int rc = 0;
-	struct net_device *ndev = wil_to_ndev(wil);
-	bool keep_radio_on = ndev->flags & IFF_UP &&
-			     wil->keep_radio_on_during_sleep;
 	unsigned long long suspend_time_usec = 0;
 
 	wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");

index 16750056b8b5..b483c4266097 100644
@@ -636,8 +636,8 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count)
 			v->swtail = next_tail) {
 		rc = wil_vring_alloc_skb(wil, v, v->swtail, headroom);
 		if (unlikely(rc)) {
-			wil_err(wil, "Error %d in wil_rx_refill[%d]\n",
-				rc, v->swtail);
+			wil_err_ratelimited(wil, "Error %d in rx refill[%d]\n",
+					    rc, v->swtail);
 			break;
 		}
 	}

index 315ec8b59662..0bfd51adcc81 100644
@@ -865,6 +865,7 @@ void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r);
 int wil_find_cid(struct wil6210_priv *wil, const u8 *mac);
 void wil_set_ethtoolops(struct net_device *ndev);
 
+void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr, u32 size);
 void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr);
 void __iomem *wmi_addr(struct wil6210_priv *wil, u32 ptr);
 int wmi_read_hdr(struct wil6210_priv *wil, __le32 ptr,

@@ -1000,8 +1001,8 @@ int wil_request_firmware(struct wil6210_priv *wil, const char *name,
 bool wil_fw_verify_file_exists(struct wil6210_priv *wil, const char *name);
 
 int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime);
-int wil_suspend(struct wil6210_priv *wil, bool is_runtime);
-int wil_resume(struct wil6210_priv *wil, bool is_runtime);
+int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on);
+int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on);
 bool wil_is_wmi_idle(struct wil6210_priv *wil);
 int wmi_resume(struct wil6210_priv *wil);
 int wmi_suspend(struct wil6210_priv *wil);

index 798516f42f2f..22bfa10ea827 100644
@@ -140,13 +140,15 @@ static u32 wmi_addr_remap(u32 x)
 /**
  * Check address validity for WMI buffer; remap if needed
  * @ptr - internal (linker) fw/ucode address
+ * @size - if non zero, validate the block does not
+ *  exceed the device memory (bar)
  *
  * Valid buffer should be DWORD aligned
  *
  * return address for accessing buffer from the host;
  * if buffer is not valid, return NULL.
  */
-void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
+void __iomem *wmi_buffer_block(struct wil6210_priv *wil, __le32 ptr_, u32 size)
 {
 	u32 off;
 	u32 ptr = le32_to_cpu(ptr_);

@@ -161,10 +163,17 @@ void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
 	off = HOSTADDR(ptr);
 	if (off > wil->bar_size - 4)
 		return NULL;
+	if (size && ((off + size > wil->bar_size) || (off + size < off)))
+		return NULL;
 
 	return wil->csr + off;
 }
 
+void __iomem *wmi_buffer(struct wil6210_priv *wil, __le32 ptr_)
+{
+	return wmi_buffer_block(wil, ptr_, 0);
+}
+
 /**
  * Check address validity
  */

@@ -222,7 +231,7 @@ static int __wmi_send(struct wil6210_priv *wil, u16 cmdid, void *buf, u16 len)
 	uint retry;
 	int rc = 0;
 
-	if (sizeof(cmd) + len > r->entry_size) {
+	if (len > r->entry_size - sizeof(cmd)) {
 		wil_err(wil, "WMI size too large: %d bytes, max is %d\n",
 			(int)(sizeof(cmd) + len), r->entry_size);
 		return -ERANGE;

index 27224dc26413..a8ec5b2c5abb 100644
@@ -3134,9 +3134,9 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
 		param.no_vif = true;
 
 	if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
-		hwname = kasprintf(GFP_KERNEL, "%.*s",
-				   nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
-				   (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+		hwname = kstrndup((char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  GFP_KERNEL);
 		if (!hwname)
 			return -ENOMEM;
 		param.hwname = hwname;

@@ -3175,9 +3175,9 @@ static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
 	if (info->attrs[HWSIM_ATTR_RADIO_ID]) {
 		idx = nla_get_u32(info->attrs[HWSIM_ATTR_RADIO_ID]);
 	} else if (info->attrs[HWSIM_ATTR_RADIO_NAME]) {
-		hwname = kasprintf(GFP_KERNEL, "%.*s",
-				   nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
-				   (char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]));
+		hwname = kstrndup((char *)nla_data(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  nla_len(info->attrs[HWSIM_ATTR_RADIO_NAME]),
+				  GFP_KERNEL);
 		if (!hwname)
 			return -ENOMEM;
 	} else

index 2f1b54fab399..83e18b367944 100644
@@ -951,8 +951,10 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm,
 			return -EFAULT;
 	}
 
-	if (!desc || (desc->out_num + desc->in_num == 0) ||
-			!test_bit(cmd, &cmd_mask))
+	if (!desc ||
+	    (desc->out_num + desc->in_num == 0) ||
+	    cmd > ND_CMD_CALL ||
+	    !test_bit(cmd, &cmd_mask))
 		return -ENOTTY;
 
 	/* fail write commands (when read-only) */

index 9e4d2ecf736d..058d542647dd 100644
@@ -337,8 +337,7 @@ nvme_fc_register_localport(struct nvme_fc_port_info *pinfo,
 	    !template->ls_req || !template->fcp_io ||
 	    !template->ls_abort || !template->fcp_abort ||
 	    !template->max_hw_queues || !template->max_sgl_segments ||
-	    !template->max_dif_sgl_segments || !template->dma_boundary ||
-	    !template->module) {
+	    !template->max_dif_sgl_segments || !template->dma_boundary) {
 		ret = -EINVAL;
 		goto out_reghost_failed;
 	}

@@ -1763,7 +1762,6 @@ nvme_fc_ctrl_free(struct kref *ref)
 {
 	struct nvme_fc_ctrl *ctrl =
 		container_of(ref, struct nvme_fc_ctrl, ref);
-	struct nvme_fc_lport *lport = ctrl->lport;
 	unsigned long flags;
 
 	if (ctrl->ctrl.tagset) {

@@ -1789,7 +1787,6 @@ nvme_fc_ctrl_free(struct kref *ref)
 	if (ctrl->ctrl.opts)
 		nvmf_free_options(ctrl->ctrl.opts);
 	kfree(ctrl);
-	module_put(lport->ops->module);
 }
 
 static void

@@ -2768,15 +2765,10 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
 		goto out_fail;
 	}
 
-	if (!try_module_get(lport->ops->module)) {
-		ret = -EUNATCH;
-		goto out_free_ctrl;
-	}
-
 	idx = ida_simple_get(&nvme_fc_ctrl_cnt, 0, 0, GFP_KERNEL);
 	if (idx < 0) {
 		ret = -ENOSPC;
-		goto out_mod_put;
+		goto out_free_ctrl;
 	}
 
 	ctrl->ctrl.opts = opts;

@@ -2923,8 +2915,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
 out_free_ida:
 	put_device(ctrl->dev);
 	ida_simple_remove(&nvme_fc_ctrl_cnt, ctrl->cnum);
-out_mod_put:
-	module_put(lport->ops->module);
 out_free_ctrl:
 	kfree(ctrl);
 out_fail:

index b8fe8702065b..096523d8dd42 100644
@@ -693,7 +693,6 @@ fcloop_targetport_delete(struct nvmet_fc_target_port *targetport)
 #define FCLOOP_DMABOUND_4G		0xFFFFFFFF
 
 static struct nvme_fc_port_template fctemplate = {
-	.module			= THIS_MODULE,
 	.localport_delete	= fcloop_localport_delete,
 	.remoteport_delete	= fcloop_remoteport_delete,
 	.create_queue		= fcloop_create_queue,

index 41b254be0295..c0281be8e061 100644
@@ -169,9 +169,6 @@ int __of_attach_node_sysfs(struct device_node *np)
 	struct property *pp;
 	int rc;
 
-	if (!IS_ENABLED(CONFIG_SYSFS))
-		return 0;
-
 	if (!of_kset)
 		return 0;
 

index 4bf6a9db6ac0..55c98f119df2 100644
@@ -887,10 +887,13 @@ static void __init of_unittest_platform_populate(void)
 
 	of_platform_populate(np, match, NULL, &test_bus->dev);
 	for_each_child_of_node(np, child) {
-		for_each_child_of_node(child, grandchild)
-			unittest(of_find_device_by_node(grandchild),
+		for_each_child_of_node(child, grandchild) {
+			pdev = of_find_device_by_node(grandchild);
+			unittest(pdev,
 				 "Could not create device for node '%s'\n",
 				 grandchild->name);
+			of_dev_put(pdev);
+		}
 	}
 
 	of_platform_depopulate(&test_bus->dev);

index 83b7d5d3fc3e..60fbfe92e0ef 100644
@@ -90,6 +90,7 @@ int __pci_epc_mem_init(struct pci_epc *epc, phys_addr_t phys_base, size_t size,
 	mem->page_size = page_size;
 	mem->pages = pages;
 	mem->size = size;
+	mutex_init(&mem->lock);
 
 	epc->mem = mem;
 

@@ -133,7 +134,7 @@ void __iomem *pci_epc_mem_alloc_addr(struct pci_epc *epc,
 				     phys_addr_t *phys_addr, size_t size)
 {
 	int pageno;
-	void __iomem *virt_addr;
+	void __iomem *virt_addr = NULL;
 	struct pci_epc_mem *mem = epc->mem;
 	unsigned int page_shift = ilog2(mem->page_size);
 	int order;

@@ -141,15 +142,18 @@ void __iomem *pci_epc_mem_alloc_addr(struct pci_epc *epc,
 	size = ALIGN(size, mem->page_size);
 	order = pci_epc_mem_get_order(mem, size);
 
+	mutex_lock(&mem->lock);
 	pageno = bitmap_find_free_region(mem->bitmap, mem->pages, order);
 	if (pageno < 0)
-		return NULL;
+		goto ret;
 
 	*phys_addr = mem->phys_base + (pageno << page_shift);
 	virt_addr = ioremap(*phys_addr, size);
 	if (!virt_addr)
 		bitmap_release_region(mem->bitmap, pageno, order);
 
+ret:
+	mutex_unlock(&mem->lock);
 	return virt_addr;
 }
 EXPORT_SYMBOL_GPL(pci_epc_mem_alloc_addr);

@@ -175,7 +179,9 @@ void pci_epc_mem_free_addr(struct pci_epc *epc, phys_addr_t phys_addr,
 	pageno = (phys_addr - mem->phys_base) >> page_shift;
 	size = ALIGN(size, mem->page_size);
 	order = pci_epc_mem_get_order(mem, size);
+	mutex_lock(&mem->lock);
 	bitmap_release_region(mem->bitmap, pageno, order);
+	mutex_unlock(&mem->lock);
 }
 EXPORT_SYMBOL_GPL(pci_epc_mem_free_addr);
 

index 6b4e82a4b64e..6f58767b5190 100644
@@ -693,9 +693,9 @@ static void pcie_config_aspm_l1ss(struct pcie_link_state *link, u32 state)
 
 	/* Enable what we need to enable */
 	pci_clear_and_set_dword(parent, up_cap_ptr + PCI_L1SS_CTL1,
-				PCI_L1SS_CAP_L1_PM_SS, val);
+				PCI_L1SS_CTL1_L1SS_MASK, val);
 	pci_clear_and_set_dword(child, dw_cap_ptr + PCI_L1SS_CTL1,
-				PCI_L1SS_CAP_L1_PM_SS, val);
+				PCI_L1SS_CTL1_L1SS_MASK, val);
 }
 
 static void pcie_config_aspm_dev(struct pci_dev *pdev, u32 val)

index bf229b442e72..6ef0d4b756f0 100644
@@ -412,7 +412,7 @@ static int mrpc_queue_cmd(struct switchtec_user *stuser)
 	kref_get(&stuser->kref);
 	stuser->read_len = sizeof(stuser->data);
 	stuser_set_state(stuser, MRPC_QUEUED);
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