Linux 5.10.152

index 53030d3c03a2..d2080a41f6e6 100644
@@ -68,7 +68,8 @@
 #define ARM64_WORKAROUND_1508412		58
 #define ARM64_SPECTRE_BHB			59
 #define ARM64_WORKAROUND_2457168		60
+#define ARM64_WORKAROUND_1742098		61
 
-#define ARM64_NCAPS				61
+#define ARM64_NCAPS				62
 
 #endif /* __ASM_CPUCAPS_H */

index aaacca6fd52f..5d6f19bc628c 100644
@@ -356,6 +356,14 @@ static const struct midr_range erratum_1463225[] = {
 };
 #endif
 
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+static struct midr_range broken_aarch32_aes[] = {
+	MIDR_RANGE(MIDR_CORTEX_A57, 0, 1, 0xf, 0xf),
+	MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+	{},
+};
+#endif
+
 const struct arm64_cpu_capabilities arm64_errata[] = {
 #ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
 	{

@@ -554,6 +562,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
 		/* Cortex-A510 r0p0-r1p1 */
 		CAP_MIDR_RANGE(MIDR_CORTEX_A510, 0, 0, 1, 1)
 	},
+#endif
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+	{
+		.desc = "ARM erratum 1742098",
+		.capability = ARM64_WORKAROUND_1742098,
+		CAP_MIDR_RANGE_LIST(broken_aarch32_aes),
+		.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
+	},
 #endif
 	{
 	}

index e72c90b82656..f3767c144593 100644
@@ -76,6 +76,7 @@
 #include <asm/cpufeature.h>
 #include <asm/cpu_ops.h>
 #include <asm/fpsimd.h>
+#include <asm/hwcap.h>
 #include <asm/mmu_context.h>
 #include <asm/mte.h>
 #include <asm/processor.h>

@@ -1730,6 +1731,14 @@ static void cpu_enable_mte(struct arm64_cpu_capabilities const *cap)
 }
 #endif /* CONFIG_ARM64_MTE */
 
+static void elf_hwcap_fixup(void)
+{
+#ifdef CONFIG_ARM64_ERRATUM_1742098
+	if (cpus_have_const_cap(ARM64_WORKAROUND_1742098))
+		compat_elf_hwcap2 &= ~COMPAT_HWCAP2_AES;
+#endif /* ARM64_ERRATUM_1742098 */
+}
+
 /* Internal helper functions to match cpu capability type */
 static bool
 cpucap_late_cpu_optional(const struct arm64_cpu_capabilities *cap)

@@ -2735,8 +2744,10 @@ void __init setup_cpu_features(void)
 	setup_system_capabilities();
 	setup_elf_hwcaps(arm64_elf_hwcaps);
 
-	if (system_supports_32bit_el0())
+	if (system_supports_32bit_el0()) {
 		setup_elf_hwcaps(compat_elf_hwcaps);
+		elf_hwcap_fixup();
+	}
 
 	if (system_uses_ttbr0_pan())
 		pr_info("emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching\n");

index 4358bc319306..f35af19b7055 100644
@@ -22,46 +22,6 @@
 #include <asm/cputype.h>
 #include <asm/topology.h>
 
-void store_cpu_topology(unsigned int cpuid)
-{
-	struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
-	u64 mpidr;
-
-	if (cpuid_topo->package_id != -1)
-		goto topology_populated;
-
-	mpidr = read_cpuid_mpidr();
-
-	/* Uniprocessor systems can rely on default topology values */
-	if (mpidr & MPIDR_UP_BITMASK)
-		return;
-
-	/*
-	 * This would be the place to create cpu topology based on MPIDR.
-	 *
-	 * However, it cannot be trusted to depict the actual topology; some
-	 * pieces of the architecture enforce an artificial cap on Aff0 values
-	 * (e.g. GICv3's ICC_SGI1R_EL1 limits it to 15), leading to an
-	 * artificial cycling of Aff1, Aff2 and Aff3 values. IOW, these end up
-	 * having absolutely no relationship to the actual underlying system
-	 * topology, and cannot be reasonably used as core / package ID.
-	 *
-	 * If the MT bit is set, Aff0 *could* be used to define a thread ID, but
-	 * we still wouldn't be able to obtain a sane core ID. This means we
-	 * need to entirely ignore MPIDR for any topology deduction.
-	 */
-	cpuid_topo->thread_id  = -1;
-	cpuid_topo->core_id    = cpuid;
-	cpuid_topo->package_id = cpu_to_node(cpuid);
-
-	pr_debug("CPU%u: cluster %d core %d thread %d mpidr %#016llx\n",
-		 cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
-		 cpuid_topo->thread_id, mpidr);
-
-topology_populated:
-	update_siblings_masks(cpuid);
-}
-
 #ifdef CONFIG_ACPI
 static bool __init acpi_cpu_is_threaded(int cpu)
 {

index b9518f94bd43..23710bf5a86b 100644
@@ -2096,7 +2096,7 @@ static int scan_its_table(struct vgic_its *its, gpa_t base, int size, u32 esz,
 
 	memset(entry, 0, esz);
 
-	while (len > 0) {
+	while (true) {
 		int next_offset;
 		size_t byte_offset;
 

@@ -2109,6 +2109,9 @@ static int scan_its_table(struct vgic_its *its, gpa_t base, int size, u32 esz,
 			return next_offset;
 
 		byte_offset = next_offset * esz;
+		if (byte_offset >= len)
+			break;
+
 		id += next_offset;
 		gpa += byte_offset;
 		len -= byte_offset;

index 117f3212a8e4..cc85858f7fe8 100644
@@ -54,10 +54,17 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
 static void __init parse_dtb(void)
 {
 	/* Early scan of device tree from init memory */
-	if (early_init_dt_scan(dtb_early_va))
-		return;
+	if (early_init_dt_scan(dtb_early_va)) {
+		const char *name = of_flat_dt_get_machine_name();
+
+		if (name) {
+			pr_info("Machine model: %s\n", name);
+			dump_stack_set_arch_desc("%s (DT)", name);
+		}
+	} else {
+		pr_err("No DTB passed to the kernel\n");
+	}
 
-	pr_err("No DTB passed to the kernel\n");
 #ifdef CONFIG_CMDLINE_FORCE
 	strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
 	pr_info("Forcing kernel command line to: %s\n", boot_command_line);

index 0b04e0eae3ab..0e0aed380e28 100644
@@ -46,6 +46,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	int cpuid;
 	int ret;
 
+	store_cpu_topology(smp_processor_id());
+
 	/* This covers non-smp usecase mandated by "nosmp" option */
 	if (max_cpus == 0)
 		return;

@@ -152,8 +154,8 @@ asmlinkage __visible void smp_callin(void)
 	mmgrab(mm);
 	current->active_mm = mm;
 
+	store_cpu_topology(curr_cpuid);
 	notify_cpu_starting(curr_cpuid);
-	update_siblings_masks(curr_cpuid);
 	set_cpu_online(curr_cpuid, 1);
 
 	/*

90 lines not on this page · raw message

index bf1ed2ddc74b..7a983119bc40 100644
@@ -17,8 +17,10 @@ arch_rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr)
 {
 	u64 start = rmrr->base_address;
 	u64 end = rmrr->end_address + 1;
+	int entry_type;
 
-	if (e820__mapped_all(start, end, E820_TYPE_RESERVED))
+	entry_type = e820__get_entry_type(start, end);
+	if (entry_type == E820_TYPE_RESERVED || entry_type == E820_TYPE_NVS)
 		return 0;
 
 	pr_err(FW_BUG "No firmware reserved region can cover this RMRR [%#018Lx-%#018Lx], contact BIOS vendor for fixes\n",

index c87936441339..234a96f25248 100644
@@ -441,7 +441,13 @@ apply_microcode_early_amd(u32 cpuid_1_eax, void *ucode, size_t size, bool save_p
 		return ret;
 
 	native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
-	if (rev >= mc->hdr.patch_id)
+
+	/*
+	 * Allow application of the same revision to pick up SMT-specific
+	 * changes even if the revision of the other SMT thread is already
+	 * up-to-date.
+	 */
+	if (rev > mc->hdr.patch_id)
 		return ret;
 
 	if (!__apply_microcode_amd(mc)) {

@@ -523,8 +529,12 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax)
 
 	native_rdmsr(MSR_AMD64_PATCH_LEVEL, rev, dummy);
 
-	/* Check whether we have saved a new patch already: */
-	if (*new_rev && rev < mc->hdr.patch_id) {
+	/*
+	 * Check whether a new patch has been saved already. Also, allow application of
+	 * the same revision in order to pick up SMT-thread-specific configuration even
+	 * if the sibling SMT thread already has an up-to-date revision.
+	 */
+	if (*new_rev && rev <= mc->hdr.patch_id) {
 		if (!__apply_microcode_amd(mc)) {
 			*new_rev = mc->hdr.patch_id;
 			return;

index 35d81b5deae1..6f63920f073c 100644
@@ -838,9 +838,11 @@ int wbt_init(struct request_queue *q)
 	rwb->last_comp = rwb->last_issue = jiffies;
 	rwb->win_nsec = RWB_WINDOW_NSEC;
 	rwb->enable_state = WBT_STATE_ON_DEFAULT;
-	rwb->wc = 1;
+	rwb->wc = test_bit(QUEUE_FLAG_WC, &q->queue_flags);
 	rwb->rq_depth.default_depth = RWB_DEF_DEPTH;
-	wbt_update_limits(rwb);
+	rwb->min_lat_nsec = wbt_default_latency_nsec(q);
+
+	wbt_queue_depth_changed(&rwb->rqos);
 
 	/*
 	 * Assign rwb and add the stats callback.

@@ -848,10 +850,5 @@ int wbt_init(struct request_queue *q)
 	rq_qos_add(q, &rwb->rqos);
 	blk_stat_add_callback(q, rwb->cb);
 
-	rwb->min_lat_nsec = wbt_default_latency_nsec(q);
-
-	wbt_queue_depth_changed(&rwb->rqos);
-	wbt_set_write_cache(q, test_bit(QUEUE_FLAG_WC, &q->queue_flags));
-
 	return 0;
 }

index 72f1fb77abcd..e648158368a7 100644
@@ -12,6 +12,7 @@
 #include <linux/ratelimit.h>
 #include <linux/edac.h>
 #include <linux/ras.h>
+#include <acpi/ghes.h>
 #include <asm/cpu.h>
 #include <asm/mce.h>
 

@@ -138,8 +139,8 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
 	int	cpu = mce->extcpu;
 	struct acpi_hest_generic_status *estatus, *tmp;
 	struct acpi_hest_generic_data *gdata;
-	const guid_t *fru_id = &guid_null;
-	char *fru_text = "";
+	const guid_t *fru_id;
+	char *fru_text;
 	guid_t *sec_type;
 	static u32 err_seq;
 

@@ -160,17 +161,23 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
 
 	/* log event via trace */
 	err_seq++;
-	gdata = (struct acpi_hest_generic_data *)(tmp + 1);
-	if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
-		fru_id = (guid_t *)gdata->fru_id;
-	if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
-		fru_text = gdata->fru_text;
-	sec_type = (guid_t *)gdata->section_type;
-	if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
-		struct cper_sec_mem_err *mem = (void *)(gdata + 1);
-		if (gdata->error_data_length >= sizeof(*mem))
-			trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
-					       (u8)gdata->error_severity);
+	apei_estatus_for_each_section(tmp, gdata) {
+		if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
+			fru_id = (guid_t *)gdata->fru_id;
+		else
+			fru_id = &guid_null;
+		if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
+			fru_text = gdata->fru_text;
+		else
+			fru_text = "";
+		sec_type = (guid_t *)gdata->section_type;
+		if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {
+			struct cper_sec_mem_err *mem = (void *)(gdata + 1);
+
+			if (gdata->error_data_length >= sizeof(*mem))
+				trace_extlog_mem_event(mem, err_seq, fru_id, fru_text,
+						       (u8)gdata->error_severity);
+		}
 	}
 
 out:

70 lines not on this page · raw message

index d1f284f0c83d..1ce897356993 100644
@@ -254,7 +254,7 @@ enum {
 	PCS_7				= 0x94, /* 7+ port PCS (Denverton) */
 
 	/* em constants */
-	EM_MAX_SLOTS			= 8,
+	EM_MAX_SLOTS			= SATA_PMP_MAX_PORTS,
 	EM_MAX_RETRY			= 5,
 
 	/* em_ctl bits */

index 388baf528fa8..189f75d53741 100644
@@ -1230,4 +1230,4 @@ module_platform_driver(imx_ahci_driver);
 MODULE_DESCRIPTION("Freescale i.MX AHCI SATA platform driver");
 MODULE_AUTHOR("Richard Zhu <[email protected]>");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("ahci:imx");
+MODULE_ALIAS("platform:" DRV_NAME);

index 8272a3a002a3..51647926e605 100644
@@ -596,4 +596,23 @@ void __init init_cpu_topology(void)
 	else if (of_have_populated_dt() && parse_dt_topology())
 		reset_cpu_topology();
 }
+
+void store_cpu_topology(unsigned int cpuid)
+{
+	struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
+
+	if (cpuid_topo->package_id != -1)
+		goto topology_populated;
+
+	cpuid_topo->thread_id = -1;
+	cpuid_topo->core_id = cpuid;
+	cpuid_topo->package_id = cpu_to_node(cpuid);
+
+	pr_debug("CPU%u: package %d core %d thread %d\n",
+		 cpuid, cpuid_topo->package_id, cpuid_topo->core_id,
+		 cpuid_topo->thread_id);
+
+topology_populated:
+	update_siblings_masks(cpuid);
+}
 #endif

index 7fdd30e92e42..9b3d24721d7b 100644
@@ -215,6 +215,7 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
 	int speed = 0, pvs = 0, pvs_ver = 0;
 	u8 *speedbin;
 	size_t len;
+	int ret = 0;
 
 	speedbin = nvmem_cell_read(speedbin_nvmem, &len);
 

@@ -232,7 +233,8 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
 		break;
 	default:
 		dev_err(cpu_dev, "Unable to read nvmem data. Defaulting to 0!\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto len_error;
 	}
 
 	snprintf(*pvs_name, sizeof("speedXX-pvsXX-vXX"), "speed%d-pvs%d-v%d",

@@ -240,8 +242,9 @@ static int qcom_cpufreq_krait_name_version(struct device *cpu_dev,
 
 	drv->versions = (1 << speed);
 
+len_error:
 	kfree(speedbin);
-	return 0;
+	return ret;
 }
 
 static const struct qcom_cpufreq_match_data match_data_kryo = {

@@ -264,7 +267,8 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
 	struct nvmem_cell *speedbin_nvmem;
 	struct device_node *np;
 	struct device *cpu_dev;
-	char *pvs_name = "speedXX-pvsXX-vXX";
+	char pvs_name_buffer[] = "speedXX-pvsXX-vXX";
+	char *pvs_name = pvs_name_buffer;
 	unsigned cpu;
 	const struct of_device_id *match;
 	int ret;

80 lines not on this page · raw message

index 6a311cd93440..e6de62734269 100644
@@ -213,14 +213,14 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
 }
 
 static void virtio_gpu_cursor_cleanup_fb(struct drm_plane *plane,
-					 struct drm_plane_state *old_state)
+					struct drm_plane_state *state)
 {
 	struct virtio_gpu_framebuffer *vgfb;
 
-	if (!plane->state->fb)
+	if (!state->fb)
 		return;
 
-	vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
+	vgfb = to_virtio_gpu_framebuffer(state->fb);
 	if (vgfb->fence) {
 		dma_fence_put(&vgfb->fence->f);
 		vgfb->fence = NULL;

index fc4c07459753..28158d2f2352 100644
@@ -387,7 +387,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
 		magicmouse_raw_event(hdev, report, data + 2, data[1]);
 		magicmouse_raw_event(hdev, report, data + 2 + data[1],
 			size - 2 - data[1]);
-		break;
+		return 0;
 	default:
 		return 0;
 	}

127 lines not on this page · raw message

index 09e599069a81..06c87c79bae7 100644
@@ -638,6 +638,11 @@ static int cci_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto error;
 
+	pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC);
+	pm_runtime_use_autosuspend(dev);
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
 	for (i = 0; i < cci->data->num_masters; i++) {
 		if (!cci->master[i].cci)
 			continue;

@@ -649,14 +654,12 @@ static int cci_probe(struct platform_device *pdev)
 		}
 	}
 
-	pm_runtime_set_autosuspend_delay(dev, MSEC_PER_SEC);
-	pm_runtime_use_autosuspend(dev);
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-
 	return 0;
 
 error_i2c:
+	pm_runtime_disable(dev);
+	pm_runtime_dont_use_autosuspend(dev);
+
 	for (--i ; i >= 0; i--) {
 		if (cci->master[i].cci) {
 			i2c_del_adapter(&cci->master[i].adap);

index c48cf737b521..f23329b7f97c 100644
@@ -2846,6 +2846,7 @@ static int __init si_domain_init(int hw)
 
 	if (md_domain_init(si_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
 		domain_exit(si_domain);
+		si_domain = NULL;
 		return -EFAULT;
 	}
 

@@ -3505,6 +3506,10 @@ static int __init init_dmars(void)
 		disable_dmar_iommu(iommu);
 		free_dmar_iommu(iommu);
 	}
+	if (si_domain) {
+		domain_exit(si_domain);
+		si_domain = NULL;
+	}
 
 	kfree(g_iommus);
 

index ea13170a6a2c..de34a87d1130 100644
@@ -158,6 +158,8 @@ vdec_try_fmt_common(struct venus_inst *inst, struct v4l2_format *f)
 		else
 			return NULL;
 		fmt = find_format(inst, pixmp->pixelformat, f->type);
+		if (!fmt)
+			return NULL;
 	}
 
 	pixmp->width = clamp(pixmp->width, frame_width_min(inst),

index de4cf6eb5258..142319c48405 100644
@@ -1077,7 +1077,7 @@ static int mceusb_set_timeout(struct rc_dev *dev, unsigned int timeout)
 	struct mceusb_dev *ir = dev->priv;
 	unsigned int units;
 
-	units = DIV_ROUND_CLOSEST(timeout, MCE_TIME_UNIT);
+	units = DIV_ROUND_UP(timeout, MCE_TIME_UNIT);
 
 	cmdbuf[2] = units >> 8;
 	cmdbuf[3] = units;

index 66a00b7c751f..6622e3262187 100644
@@ -1069,6 +1069,11 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 	nr = blk_rq_sectors(req);
 
 	do {
+		unsigned int erase_arg = card->erase_arg;
+
+		if (mmc_card_broken_sd_discard(card))
+			erase_arg = SD_ERASE_ARG;
+
 		err = 0;
 		if (card->quirks & MMC_QUIRK_INAND_CMD38) {
 			err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,

@@ -1079,7 +1084,7 @@ static void mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
 					 card->ext_csd.generic_cmd6_time);
 		}
 		if (!err)
-			err = mmc_erase(card, from, nr, card->erase_arg);
+			err = mmc_erase(card, from, nr, erase_arg);
 	} while (err == -EIO && !mmc_blk_reset(md, card->host, type));
 	if (err)
 		status = BLK_STS_IOERR;

index 7bd392d55cfa..5c6986131faf 100644
@@ -70,6 +70,7 @@ struct mmc_fixup {
 #define EXT_CSD_REV_ANY (-1u)
 
 #define CID_MANFID_SANDISK      0x2
+#define CID_MANFID_SANDISK_SD   0x3
 #define CID_MANFID_ATP          0x9
 #define CID_MANFID_TOSHIBA      0x11
 #define CID_MANFID_MICRON       0x13

@@ -222,4 +223,9 @@ static inline int mmc_card_broken_hpi(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_BROKEN_HPI;
 }
 
+static inline int mmc_card_broken_sd_discard(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_BROKEN_SD_DISCARD;
+}
+
 #endif

index d68e6e513a4f..c8c0f50a2076 100644
@@ -99,6 +99,12 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
 	MMC_FIXUP("V10016", CID_MANFID_KINGSTON, CID_OEMID_ANY, add_quirk_mmc,
 		  MMC_QUIRK_TRIM_BROKEN),
 
+	/*
+	 * Some SD cards reports discard support while they don't
+	 */
+	MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
+		  MMC_QUIRK_BROKEN_SD_DISCARD),
+
 	END_FIXUP
 };
 

index d50b691f6c44..67211fc42d24 100644
@@ -760,7 +760,7 @@ static void tegra_sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 	 */
 	host_clk = tegra_host->ddr_signaling ? clock * 2 : clock;
 	clk_set_rate(pltfm_host->clk, host_clk);
-	tegra_host->curr_clk_rate = host_clk;
+	tegra_host->curr_clk_rate = clk_get_rate(pltfm_host->clk);
 	if (tegra_host->ddr_signaling)
 		host->max_clk = host_clk;
 	else

index 00fafc0f8512..430eccea8e5e 100644
@@ -419,8 +419,10 @@ int hnae_ae_register(struct hnae_ae_dev *hdev, struct module *owner)
 	hdev->cls_dev.release = hnae_release;
 	(void)dev_set_name(&hdev->cls_dev, "hnae%d", hdev->id);
 	ret = device_register(&hdev->cls_dev);
-	if (ret)
+	if (ret) {
+		put_device(&hdev->cls_dev);
 		return ret;
+	}
 
 	__module_get(THIS_MODULE);
 

index 63054061966e..cc5f5c237774 100644
@@ -2081,9 +2081,6 @@ static int i40e_set_ringparam(struct net_device *netdev,
 			 */
 			rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
 			err = i40e_setup_rx_descriptors(&rx_rings[i]);
-			if (err)
-				goto rx_unwind;
-			err = i40e_alloc_rx_bi(&rx_rings[i]);
 			if (err)
 				goto rx_unwind;
 

index c7f243ddbcf7..ea6a984c6d12 100644
@@ -3409,12 +3409,8 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
 	if (ring->vsi->type == I40E_VSI_MAIN)
 		xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
 
-	kfree(ring->rx_bi);
 	ring->xsk_pool = i40e_xsk_pool(ring);
 	if (ring->xsk_pool) {
-		ret = i40e_alloc_rx_bi_zc(ring);
-		if (ret)
-			return ret;
 		ring->rx_buf_len =
 		  xsk_pool_get_rx_frame_size(ring->xsk_pool);
 		/* For AF_XDP ZC, we disallow packets to span on

@@ -3432,9 +3428,6 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
 			 ring->queue_index);
 
 	} else {
-		ret = i40e_alloc_rx_bi(ring);
-		if (ret)
-			return ret;
 		ring->rx_buf_len = vsi->rx_buf_len;
 		if (ring->vsi->type == I40E_VSI_MAIN) {
 			ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,

@@ -12684,6 +12677,14 @@ static int i40e_xdp_setup(struct i40e_vsi *vsi,
 		i40e_reset_and_rebuild(pf, true, true);
 	}
 
+	if (!i40e_enabled_xdp_vsi(vsi) && prog) {
+		if (i40e_realloc_rx_bi_zc(vsi, true))
+			return -ENOMEM;
+	} else if (i40e_enabled_xdp_vsi(vsi) && !prog) {
+		if (i40e_realloc_rx_bi_zc(vsi, false))
+			return -ENOMEM;
+	}
+
 	for (i = 0; i < vsi->num_queue_pairs; i++)
 		WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog);
 

@@ -12916,6 +12917,7 @@ int i40e_queue_pair_disable(struct i40e_vsi *vsi, int queue_pair)
 
 	i40e_queue_pair_disable_irq(vsi, queue_pair);
 	err = i40e_queue_pair_toggle_rings(vsi, queue_pair, false /* off */);
+	i40e_clean_rx_ring(vsi->rx_rings[queue_pair]);
 	i40e_queue_pair_toggle_napi(vsi, queue_pair, false /* off */);
 	i40e_queue_pair_clean_rings(vsi, queue_pair);
 	i40e_queue_pair_reset_stats(vsi, queue_pair);

index 5ad28129fab2..43be33d87e39 100644
@@ -1305,14 +1305,6 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring)
 	return -ENOMEM;
 }
 
-int i40e_alloc_rx_bi(struct i40e_ring *rx_ring)
-{
-	unsigned long sz = sizeof(*rx_ring->rx_bi) * rx_ring->count;
-
-	rx_ring->rx_bi = kzalloc(sz, GFP_KERNEL);
-	return rx_ring->rx_bi ? 0 : -ENOMEM;
-}
-
 static void i40e_clear_rx_bi(struct i40e_ring *rx_ring)
 {
 	memset(rx_ring->rx_bi, 0, sizeof(*rx_ring->rx_bi) * rx_ring->count);

@@ -1443,6 +1435,11 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
 
 	rx_ring->xdp_prog = rx_ring->vsi->xdp_prog;
 
+	rx_ring->rx_bi =
+		kcalloc(rx_ring->count, sizeof(*rx_ring->rx_bi), GFP_KERNEL);
+	if (!rx_ring->rx_bi)
+		return -ENOMEM;
+
 	return 0;
 }
 

index 93ac201f68b8..af843e8169f7 100644
@@ -465,7 +465,6 @@ int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size);
 bool __i40e_chk_linearize(struct sk_buff *skb);
 int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
 		  u32 flags);
-int i40e_alloc_rx_bi(struct i40e_ring *rx_ring);
 
 /**
  * i40e_get_head - Retrieve head from head writeback

91 lines not on this page · raw message

index 7adfd8539247..36f5b6d20601 100644
@@ -17,7 +17,7 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget);
 
 bool i40e_clean_xdp_tx_irq(struct i40e_vsi *vsi, struct i40e_ring *tx_ring);
 int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags);
-int i40e_alloc_rx_bi_zc(struct i40e_ring *rx_ring);
+int i40e_realloc_rx_bi_zc(struct i40e_vsi *vsi, bool zc);
 void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring);
 
 #endif /* _I40E_XSK_H_ */

index e42520f909fe..cb12d0171517 100644
@@ -2383,11 +2383,15 @@ int ionic_reconfigure_queues(struct ionic_lif *lif,
 	 * than the full array, but leave the qcq shells in place
 	 */
 	for (i = lif->nxqs; i < lif->ionic->ntxqs_per_lif; i++) {
-		lif->txqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
-		ionic_qcq_free(lif, lif->txqcqs[i]);
+		if (lif->txqcqs && lif->txqcqs[i]) {
+			lif->txqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
+			ionic_qcq_free(lif, lif->txqcqs[i]);
+		}
 
-		lif->rxqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
-		ionic_qcq_free(lif, lif->rxqcqs[i]);
+		if (lif->rxqcqs && lif->rxqcqs[i]) {
+			lif->rxqcqs[i]->flags &= ~IONIC_QCQ_F_INTR;
+			ionic_qcq_free(lif, lif->rxqcqs[i]);
+		}
 	}
 
 	return err;

70 lines not on this page · raw message

index 40b2af8bfb81..2ac3c8f1b04b 100644
@@ -157,7 +157,8 @@ struct efx_filter_spec {
 	u32	flags:6;
 	u32	dmaq_id:12;
 	u32	rss_context;
-	__be16	outer_vid __aligned(4); /* allow jhash2() of match values */
+	u32	vport_id;
+	__be16	outer_vid;
 	__be16	inner_vid;
 	u8	loc_mac[ETH_ALEN];
 	u8	rem_mac[ETH_ALEN];

index 2c09afac5beb..36b46ddb6710 100644
@@ -676,17 +676,17 @@ bool efx_filter_spec_equal(const struct efx_filter_spec *left,
 	     (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX)))
 		return false;
 
-	return memcmp(&left->outer_vid, &right->outer_vid,
+	return memcmp(&left->vport_id, &right->vport_id,
 		      sizeof(struct efx_filter_spec) -
-		      offsetof(struct efx_filter_spec, outer_vid)) == 0;
+		      offsetof(struct efx_filter_spec, vport_id)) == 0;
 }
 
 u32 efx_filter_spec_hash(const struct efx_filter_spec *spec)
 {
-	BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3);
-	return jhash2((const u32 *)&spec->outer_vid,
+	BUILD_BUG_ON(offsetof(struct efx_filter_spec, vport_id) & 3);
+	return jhash2((const u32 *)&spec->vport_id,
 		      (sizeof(struct efx_filter_spec) -
-		       offsetof(struct efx_filter_spec, outer_vid)) / 4,
+		       offsetof(struct efx_filter_spec, vport_id)) / 4,
 		      0);
 }
 

index a0f338cf1424..367878493e70 100644
@@ -977,7 +977,8 @@ struct net_device_context {
 	u32 vf_alloc;
 	/* Serial number of the VF to team with */
 	u32 vf_serial;
-
+	/* completion variable to confirm vf association */
+	struct completion vf_add;
 	/* Is the current data path through the VF NIC? */
 	bool  data_path_is_vf;
 

index 6a7ab930ef70..d15da8287df3 100644
@@ -1327,6 +1327,10 @@ static void netvsc_send_vf(struct net_device *ndev,
 
 	net_device_ctx->vf_alloc = nvmsg->msg.v4_msg.vf_assoc.allocated;
 	net_device_ctx->vf_serial = nvmsg->msg.v4_msg.vf_assoc.serial;
+
+	if (net_device_ctx->vf_alloc)
+		complete(&net_device_ctx->vf_add);
+
 	netdev_info(ndev, "VF slot %u %s\n",
 		    net_device_ctx->vf_serial,
 		    net_device_ctx->vf_alloc ? "added" : "removed");

index 18484370da0d..f2020be43cfe 100644
@@ -2290,6 +2290,7 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
 {
 	struct device *parent = vf_netdev->dev.parent;
 	struct net_device_context *ndev_ctx;
+	struct net_device *ndev;
 	struct pci_dev *pdev;
 	u32 serial;
 

@@ -2316,6 +2317,18 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
 			return hv_get_drvdata(ndev_ctx->device_ctx);
 	}
 
+	/* Fallback path to check synthetic vf with
+	 * help of mac addr
+	 */
+	list_for_each_entry(ndev_ctx, &netvsc_dev_list, list) {
+		ndev = hv_get_drvdata(ndev_ctx->device_ctx);
+		if (ether_addr_equal(vf_netdev->perm_addr, ndev->perm_addr)) {
+			netdev_notice(vf_netdev,
+				      "falling back to mac addr based matching\n");
+			return ndev;
+		}
+	}
+
 	netdev_notice(vf_netdev,
 		      "no netdev found for vf serial:%u\n", serial);
 	return NULL;

@@ -2406,6 +2419,11 @@ static int netvsc_vf_changed(struct net_device *vf_netdev)
 		return NOTIFY_OK;
 	net_device_ctx->data_path_is_vf = vf_is_up;
 
+	if (vf_is_up && !net_device_ctx->vf_alloc) {
+		netdev_info(ndev, "Waiting for the VF association from host\n");
+		wait_for_completion(&net_device_ctx->vf_add);
+	}
+
 	netvsc_switch_datapath(ndev, vf_is_up);
 	netdev_info(ndev, "Data path switched %s VF: %s\n",
 		    vf_is_up ? "to" : "from", vf_netdev->name);

@@ -2429,6 +2447,7 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev)
 
 	netvsc_vf_setxdp(vf_netdev, NULL);
 
+	reinit_completion(&net_device_ctx->vf_add);
 	netdev_rx_handler_unregister(vf_netdev);
 	netdev_upper_dev_unlink(vf_netdev, ndev);
 	RCU_INIT_POINTER(net_device_ctx->vf_netdev, NULL);

@@ -2466,6 +2485,7 @@ static int netvsc_probe(struct hv_device *dev,
 
 	INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_link_change);
 
+	init_completion(&net_device_ctx->vf_add);
 	spin_lock_init(&net_device_ctx->lock);
 	INIT_LIST_HEAD(&net_device_ctx->reconfig_events);
 	INIT_DELAYED_WORK(&net_device_ctx->vf_takeover, netvsc_vf_setup);

index 3a8849716459..db651649e0b8 100644
@@ -268,8 +268,7 @@ static int dp83822_config_intr(struct phy_device *phydev)
 				DP83822_EEE_ERROR_CHANGE_INT_EN);
 
 		if (!dp83822->fx_enabled)
-			misr_status |= DP83822_MDI_XOVER_INT_EN |
-				       DP83822_ANEG_ERR_INT_EN |
+			misr_status |= DP83822_ANEG_ERR_INT_EN |
 				       DP83822_WOL_PKT_INT_EN;
 
 		err = phy_write(phydev, MII_DP83822_MISR2, misr_status);

index f86acad0aad4..c8031e297faf 100644
@@ -757,6 +757,14 @@ static int dp83867_config_init(struct phy_device *phydev)
 		else
 			val &= ~DP83867_SGMII_TYPE;
 		phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_SGMIICTL, val);
+
+		/* This is a SW workaround for link instability if RX_CTRL is
+		 * not strapped to mode 3 or 4 in HW. This is required for SGMII
+		 * in addition to clearing bit 7, handled above.
+		 */
+		if (dp83867->rxctrl_strap_quirk)
+			phy_set_bits_mmd(phydev, DP83867_DEVADDR, DP83867_CFG4,
+					 BIT(8));
 	}
 
 	val = phy_read(phydev, DP83867_CFG3);

index 43ddbe61dc58..935cd296887f 100644
@@ -763,6 +763,13 @@ static const struct usb_device_id	products[] = {
 },
 #endif
 
+/* Lenovo ThinkPad OneLink+ Dock (based on Realtek RTL8153) */
+{
+	USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3054, USB_CLASS_COMM,
+			USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+	.driver_info = 0,
+},
+
 /* ThinkPad USB-C Dock (based on Realtek RTL8153) */
 {
 	USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM,

index a526242a3e36..f9a79d67d6d4 100644
@@ -6870,6 +6870,7 @@ static const struct usb_device_id rtl8152_table[] = {
 	{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x304f)},
+	{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3054)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3062)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3069)},
 	{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3082)},

index e9c13804760e..3f106771d15b 100644
@@ -3232,8 +3232,12 @@ int nvme_init_identify(struct nvme_ctrl *ctrl)
 		return ret;
 
 	if (!ctrl->identified && !nvme_discovery_ctrl(ctrl)) {
+		/*
+		 * Do not return errors unless we are in a controller reset,
+		 * the controller works perfectly fine without hwmon.
+		 */
 		ret = nvme_hwmon_init(ctrl);
-		if (ret < 0)
+		if (ret == -EINTR)
 			return ret;
 	}
 

@@ -4485,6 +4489,7 @@ EXPORT_SYMBOL_GPL(nvme_start_ctrl);
 
 void nvme_uninit_ctrl(struct nvme_ctrl *ctrl)
 {
+	nvme_hwmon_exit(ctrl);
 	nvme_fault_inject_fini(&ctrl->fault_inject);
 	dev_pm_qos_hide_latency_tolerance(ctrl->device);
 	cdev_device_del(&ctrl->cdev, ctrl->device);

109 lines not on this page · raw message

index 58cf9e39d613..abae7ef2ac51 100644
@@ -257,6 +257,9 @@ struct nvme_ctrl {
 	struct rw_semaphore namespaces_rwsem;
 	struct device ctrl_device;
 	struct device *device;	/* char device */
+#ifdef CONFIG_NVME_HWMON
+	struct device *hwmon_device;
+#endif
 	struct cdev cdev;
 	struct work_struct reset_work;
 	struct work_struct delete_work;

@@ -876,11 +879,16 @@ static inline struct nvme_ns *nvme_get_ns_from_dev(struct device *dev)
 
 #ifdef CONFIG_NVME_HWMON
 int nvme_hwmon_init(struct nvme_ctrl *ctrl);
+void nvme_hwmon_exit(struct nvme_ctrl *ctrl);
 #else
 static inline int nvme_hwmon_init(struct nvme_ctrl *ctrl)
 {
 	return 0;
 }
+
+static inline void nvme_hwmon_exit(struct nvme_ctrl *ctrl)
+{
+}
 #endif
 
 u32 nvme_command_effects(struct nvme_ctrl *ctrl, struct nvme_ns *ns,

index 40ef379c28ab..9c286b2a1900 100644
@@ -44,9 +44,10 @@ struct gntdev_unmap_notify {
 };
 
 struct gntdev_grant_map {
+	atomic_t in_use;
 	struct mmu_interval_notifier notifier;
+	bool notifier_init;
 	struct list_head next;
-	struct vm_area_struct *vma;
 	int index;
 	int count;
 	int flags;

184 lines not on this page · raw message

115 lines not on this page · raw message

index bc957e6ca48b..f442ef8b65da 100644
@@ -1221,8 +1221,11 @@ static ssize_t cifs_copy_file_range(struct file *src_file, loff_t off,
 	ssize_t rc;
 	struct cifsFileInfo *cfile = dst_file->private_data;
 
-	if (cfile->swapfile)
-		return -EOPNOTSUPP;
+	if (cfile->swapfile) {
+		rc = -EOPNOTSUPP;
+		free_xid(xid);
+		return rc;
+	}
 
 	rc = cifs_file_copychunk_range(xid, src_file, off, dst_file, destoff,
 					len, flags);

index a648146e49cf..144064dc0d38 100644
@@ -1735,11 +1735,13 @@ int cifs_flock(struct file *file, int cmd, struct file_lock *fl)
 	struct cifsFileInfo *cfile;
 	__u32 type;
 
-	rc = -EACCES;
 	xid = get_xid();
 
-	if (!(fl->fl_flags & FL_FLOCK))
-		return -ENOLCK;
+	if (!(fl->fl_flags & FL_FLOCK)) {
+		rc = -ENOLCK;
+		free_xid(xid);
+		return rc;
+	}
 
 	cfile = (struct cifsFileInfo *)file->private_data;
 	tcon = tlink_tcon(cfile->tlink);

@@ -1758,8 +1760,9 @@ int cifs_flock(struct file *file, int cmd, struct file_lock *fl)
 		 * if no lock or unlock then nothing to do since we do not
 		 * know what it is
 		 */
+		rc = -EOPNOTSUPP;
 		free_xid(xid);
-		return -EOPNOTSUPP;
+		return rc;
 	}
 
 	rc = cifs_setlk(file, fl, type, wait_flag, posix_lck, lock, unlock,

index d58c5ffeca0d..cf6fd138d8d5 100644
@@ -306,6 +306,7 @@ cifs_ses_add_channel(struct cifs_ses *ses, struct cifs_server_iface *iface)
 		cifs_put_tcp_session(chan->server, 0);
 	unload_nls(vol.local_nls);
 
+	free_xid(xid);
 	return rc;
 }
 

index 71b43538fa44..fcf34f83bf6a 100644
@@ -148,12 +148,17 @@ void f_delown(struct file *filp)
 
 pid_t f_getown(struct file *filp)
 {
-	pid_t pid;
-	read_lock(&filp->f_owner.lock);
-	pid = pid_vnr(filp->f_owner.pid);
-	if (filp->f_owner.pid_type == PIDTYPE_PGID)
-		pid = -pid;
-	read_unlock(&filp->f_owner.lock);
+	pid_t pid = 0;
+
+	read_lock_irq(&filp->f_owner.lock);
+	rcu_read_lock();
+	if (pid_task(filp->f_owner.pid, filp->f_owner.pid_type)) {
+		pid = pid_vnr(filp->f_owner.pid);
+		if (filp->f_owner.pid_type == PIDTYPE_PGID)
+			pid = -pid;
+	}
+	rcu_read_unlock();
+	read_unlock_irq(&filp->f_owner.lock);
 	return pid;
 }
 

@@ -200,11 +205,14 @@ static int f_setown_ex(struct file *filp, unsigned long arg)
 static int f_getown_ex(struct file *filp, unsigned long arg)
 {
 	struct f_owner_ex __user *owner_p = (void __user *)arg;
-	struct f_owner_ex owner;
+	struct f_owner_ex owner = {};
 	int ret = 0;
 
-	read_lock(&filp->f_owner.lock);
-	owner.pid = pid_vnr(filp->f_owner.pid);
+	read_lock_irq(&filp->f_owner.lock);
+	rcu_read_lock();
+	if (pid_task(filp->f_owner.pid, filp->f_owner.pid_type))
+		owner.pid = pid_vnr(filp->f_owner.pid);
+	rcu_read_unlock();
 	switch (filp->f_owner.pid_type) {
 	case PIDTYPE_PID:
 		owner.type = F_OWNER_TID;

@@ -223,7 +231,7 @@ static int f_getown_ex(struct file *filp, unsigned long arg)
 		ret = -EINVAL;
 		break;
 	}
-	read_unlock(&filp->f_owner.lock);
+	read_unlock_irq(&filp->f_owner.lock);
 
 	if (!ret) {
 		ret = copy_to_user(owner_p, &owner, sizeof(owner));

@@ -241,10 +249,10 @@ static int f_getowner_uids(struct file *filp, unsigned long arg)
 	uid_t src[2];
 	int err;
 
-	read_lock(&filp->f_owner.lock);
+	read_lock_irq(&filp->f_owner.lock);
 	src[0] = from_kuid(user_ns, filp->f_owner.uid);
 	src[1] = from_kuid(user_ns, filp->f_owner.euid);
-	read_unlock(&filp->f_owner.lock);
+	read_unlock_irq(&filp->f_owner.lock);
 
 	err  = put_user(src[0], &dst[0]);
 	err |= put_user(src[1], &dst[1]);

index c46bf7f581a1..856474b0a1ae 100644
@@ -231,6 +231,7 @@ static int ocfs2_mknod(struct inode *dir,
 	handle_t *handle = NULL;
 	struct ocfs2_super *osb;
 	struct ocfs2_dinode *dirfe;
+	struct ocfs2_dinode *fe = NULL;
 	struct buffer_head *new_fe_bh = NULL;
 	struct inode *inode = NULL;
 	struct ocfs2_alloc_context *inode_ac = NULL;

@@ -381,6 +382,7 @@ static int ocfs2_mknod(struct inode *dir,
 		goto leave;
 	}
 
+	fe = (struct ocfs2_dinode *) new_fe_bh->b_data;
 	if (S_ISDIR(mode)) {
 		status = ocfs2_fill_new_dir(osb, handle, dir, inode,
 					    new_fe_bh, data_ac, meta_ac);

@@ -453,8 +455,11 @@ static int ocfs2_mknod(struct inode *dir,
 leave:
 	if (status < 0 && did_quota_inode)
 		dquot_free_inode(inode);
-	if (handle)
+	if (handle) {
+		if (status < 0 && fe)
+			ocfs2_set_links_count(fe, 0);
 		ocfs2_commit_trans(osb, handle);
+	}
 
 	ocfs2_inode_unlock(dir, 1);
 	if (did_block_signals)

@@ -631,18 +636,9 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 		return status;
 	}
 
-	status = __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
+	return __ocfs2_mknod_locked(dir, inode, dev, new_fe_bh,
 				    parent_fe_bh, handle, inode_ac,
 				    fe_blkno, suballoc_loc, suballoc_bit);
-	if (status < 0) {
-		u64 bg_blkno = ocfs2_which_suballoc_group(fe_blkno, suballoc_bit);
-		int tmp = ocfs2_free_suballoc_bits(handle, inode_ac->ac_inode,
-				inode_ac->ac_bh, suballoc_bit, bg_blkno, 1);
-		if (tmp)
-			mlog_errno(tmp);
-	}
-
-	return status;
 }
 
 static int ocfs2_mkdir(struct inode *dir,

@@ -2023,8 +2019,11 @@ static int ocfs2_symlink(struct inode *dir,
 					ocfs2_clusters_to_bytes(osb->sb, 1));
 	if (status < 0 && did_quota_inode)
 		dquot_free_inode(inode);
-	if (handle)
+	if (handle) {
+		if (status < 0 && fe)
+			ocfs2_set_links_count(fe, 0);
 		ocfs2_commit_trans(osb, handle);
+	}
 
 	ocfs2_inode_unlock(dir, 1);
 	if (did_block_signals)

index ef18f0d71b11..8b75a04836b6 100644
@@ -951,7 +951,7 @@ static int show_smaps_rollup(struct seq_file *m, void *v)
 		vma = vma->vm_next;
 	}
 
-	show_vma_header_prefix(m, priv->mm->mmap->vm_start,
+	show_vma_header_prefix(m, priv->mm->mmap ? priv->mm->mmap->vm_start : 0,
 			       last_vma_end, 0, 0, 0, 0);
 	seq_pad(m, ' ');
 	seq_puts(m, "[rollup]\n");

index 896e563e2c18..9cb0a3d7874f 100644
@@ -911,6 +911,8 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
 			    struct kvm_enable_cap *cap);
 long kvm_arch_vm_ioctl(struct file *filp,
 		       unsigned int ioctl, unsigned long arg);
+long kvm_arch_vm_compat_ioctl(struct file *filp, unsigned int ioctl,
+			      unsigned long arg);
 
 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);

index 42df06c6b19c..ef870d1f4f5f 100644
@@ -270,6 +270,7 @@ struct mmc_card {
 #define MMC_QUIRK_BROKEN_IRQ_POLLING	(1<<11)	/* Polling SDIO_CCCR_INTx could create a fake interrupt */
 #define MMC_QUIRK_TRIM_BROKEN	(1<<12)		/* Skip trim */
 #define MMC_QUIRK_BROKEN_HPI	(1<<13)		/* Disable broken HPI support */
+#define MMC_QUIRK_BROKEN_SD_DISCARD	(1<<14)	/* Disable broken SD discard support */
 
 	bool			reenable_cmdq;	/* Re-enable Command Queue */
 

index bed2387af456..e7e8c318925d 100644
@@ -1178,7 +1178,6 @@ static inline void __qdisc_reset_queue(struct qdisc_skb_head *qh)
 static inline void qdisc_reset_queue(struct Qdisc *sch)
 {
 	__qdisc_reset_queue(&sch->q);
-	sch->qstats.backlog = 0;
 }
 
 static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,

index 505f1e18e9bf..3eac185ae2e8 100644
@@ -38,21 +38,20 @@ extern struct sock *reuseport_select_sock(struct sock *sk,
 extern int reuseport_attach_prog(struct sock *sk, struct bpf_prog *prog);
 extern int reuseport_detach_prog(struct sock *sk);
 
-static inline bool reuseport_has_conns(struct sock *sk, bool set)
+static inline bool reuseport_has_conns(struct sock *sk)
 {
 	struct sock_reuseport *reuse;
 	bool ret = false;
 
 	rcu_read_lock();
 	reuse = rcu_dereference(sk->sk_reuseport_cb);
-	if (reuse) {
-		if (set)
-			reuse->has_conns = 1;
-		ret = reuse->has_conns;
-	}
+	if (reuse && reuse->has_conns)
+		ret = true;
 	rcu_read_unlock();
 
 	return ret;
 }
 
+void reuseport_has_conns_set(struct sock *sk);
+
 #endif  /* _SOCK_REUSEPORT_H */

index a5245362ce7a..b7cb9147f0c5 100644
@@ -6008,12 +6008,12 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf)
 	if (tr->current_trace->reset)
 		tr->current_trace->reset(tr);
 
+#ifdef CONFIG_TRACER_MAX_TRACE
+	had_max_tr = tr->current_trace->use_max_tr;
+
 	/* Current trace needs to be nop_trace before synchronize_rcu */
 	tr->current_trace = &nop_trace;
 
-#ifdef CONFIG_TRACER_MAX_TRACE
-	had_max_tr = tr->allocated_snapshot;
-
 	if (had_max_tr && !t->use_max_tr) {
 		/*
 		 * We need to make sure that the update_max_tr sees that

@@ -6025,14 +6025,14 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf)
 		synchronize_rcu();
 		free_snapshot(tr);
 	}
-#endif
 
-#ifdef CONFIG_TRACER_MAX_TRACE
-	if (t->use_max_tr && !had_max_tr) {
+	if (t->use_max_tr && !tr->allocated_snapshot) {
 		ret = tracing_alloc_snapshot_instance(tr);
 		if (ret < 0)
 			goto out;
 	}
+#else
+	tr->current_trace = &nop_trace;
 #endif
 
 	if (t->init) {

index 829db9eba0cb..aaf64b953915 100644
@@ -219,11 +219,12 @@ static ssize_t proc_mpc_write(struct file *file, const char __user *buff,
 	if (!page)
 		return -ENOMEM;
 
-	for (p = page, len = 0; len < nbytes; p++, len++) {
+	for (p = page, len = 0; len < nbytes; p++) {
 		if (get_user(*p, buff++)) {
 			free_page((unsigned long)page);
 			return -EFAULT;
 		}
+		len += 1;
 		if (*p == '\0' || *p == '\n')
 			break;
 	}

index b065f0a103ed..49f9c2c4ffd5 100644
@@ -18,6 +18,22 @@ DEFINE_SPINLOCK(reuseport_lock);
 
 static DEFINE_IDA(reuseport_ida);
 
+void reuseport_has_conns_set(struct sock *sk)
+{
+	struct sock_reuseport *reuse;
+
+	if (!rcu_access_pointer(sk->sk_reuseport_cb))
+		return;
+
+	spin_lock_bh(&reuseport_lock);
+	reuse = rcu_dereference_protected(sk->sk_reuseport_cb,
+					  lockdep_is_held(&reuseport_lock));
+	if (likely(reuse))
+		reuse->has_conns = 1;
+	spin_unlock_bh(&reuseport_lock);
+}
+EXPORT_SYMBOL(reuseport_has_conns_set);
+
 static struct sock_reuseport *__reuseport_alloc(unsigned int max_socks)
 {
 	unsigned int size = sizeof(struct sock_reuseport) +

index baf4765be6d7..908324b46328 100644
@@ -108,15 +108,15 @@ struct sk_buff *hsr_get_untagged_frame(struct hsr_frame_info *frame,
 				       struct hsr_port *port)
 {
 	if (!frame->skb_std) {
-		if (frame->skb_hsr) {
+		if (frame->skb_hsr)
 			frame->skb_std =
 				create_stripped_skb_hsr(frame->skb_hsr, frame);
-		} else {
-			/* Unexpected */
-			WARN_ONCE(1, "%s:%d: Unexpected frame received (port_src %s)\n",
-				  __FILE__, __LINE__, port->dev->name);
+		else
+			netdev_warn_once(port->dev,
+					 "Unexpected frame received in hsr_get_untagged_frame()\n");
+
+		if (!frame->skb_std)
 			return NULL;
-		}
 	}
 
 	return skb_clone(frame->skb_std, GFP_ATOMIC);

index 4a8550c49202..112c6e892d30 100644
@@ -70,7 +70,7 @@ int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len
 	}
 	inet->inet_daddr = fl4->daddr;
 	inet->inet_dport = usin->sin_port;
-	reuseport_has_conns(sk, true);
+	reuseport_has_conns_set(sk);
 	sk->sk_state = TCP_ESTABLISHED;
 	sk_set_txhash(sk);
 	inet->inet_id = prandom_u32();

index 4446aa8237ff..b093daaa3deb 100644
@@ -446,7 +446,7 @@ static struct sock *udp4_lib_lookup2(struct net *net,
 			result = lookup_reuseport(net, sk, skb,
 						  saddr, sport, daddr, hnum);
 			/* Fall back to scoring if group has connections */
-			if (result && !reuseport_has_conns(sk, false))
+			if (result && !reuseport_has_conns(sk))
 				return result;
 
 			result = result ? : sk;

index 206f66310a88..f4559e5bc84b 100644
@@ -256,7 +256,7 @@ int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr,
 		goto out;
 	}
 
-	reuseport_has_conns(sk, true);
+	reuseport_has_conns_set(sk);
 	sk->sk_state = TCP_ESTABLISHED;
 	sk_set_txhash(sk);
 out:

index 9b504bf49214..514e6a55959f 100644
@@ -179,7 +179,7 @@ static struct sock *udp6_lib_lookup2(struct net *net,
 			result = lookup_reuseport(net, sk, skb,
 						  saddr, sport, daddr, hnum);
 			/* Fall back to scoring if group has connections */
-			if (result && !reuseport_has_conns(sk, false))
+			if (result && !reuseport_has_conns(sk))
 				return result;
 
 			result = result ? : sk;

index 6e18aa417782..d8ffe4114385 100644
@@ -1081,12 +1081,13 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 
 skip:
 		if (!ingress) {
-			notify_and_destroy(net, skb, n, classid,
-					   rtnl_dereference(dev->qdisc), new);
+			old = rtnl_dereference(dev->qdisc);
 			if (new && !new->ops->attach)
 				qdisc_refcount_inc(new);
 			rcu_assign_pointer(dev->qdisc, new ? : &noop_qdisc);
 
+			notify_and_destroy(net, skb, n, classid, old, new);
+
 			if (new && new->ops->attach)
 				new->ops->attach(new);
 		} else {

index 1c281cc81f57..794c7377cd7e 100644
@@ -575,7 +575,6 @@ static void atm_tc_reset(struct Qdisc *sch)
 	pr_debug("atm_tc_reset(sch %p,[qdisc %p])\n", sch, p);
 	list_for_each_entry(flow, &p->flows, list)
 		qdisc_reset(flow->q);
-	sch->q.qlen = 0;
 }
 
 static void atm_tc_destroy(struct Qdisc *sch)

index c580139fcede..5dc7a3c310c9 100644
@@ -2224,8 +2224,12 @@ static struct sk_buff *cake_dequeue(struct Qdisc *sch)
 
 static void cake_reset(struct Qdisc *sch)
 {
+	struct cake_sched_data *q = qdisc_priv(sch);
 	u32 c;
 
+	if (!q->tins)
+		return;
+
 	for (c = 0; c < CAKE_MAX_TINS; c++)
 		cake_clear_tin(sch, c);
 }

index 4a78fcf5d4f9..9a3dff02b7a2 100644
@@ -1053,7 +1053,6 @@ cbq_reset(struct Qdisc *sch)
 			cl->cpriority = cl->priority;
 		}
 	}
-	sch->q.qlen = 0;
 }
 
 

index 2adbd945bf15..25d2daaa8122 100644
@@ -315,8 +315,6 @@ static void choke_reset(struct Qdisc *sch)
 		rtnl_qdisc_drop(skb, sch);
 	}
 
-	sch->q.qlen = 0;
-	sch->qstats.backlog = 0;
 	if (q->tab)
 		memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *));
 	q->head = q->tail = 0;

index dde564670ad8..08424aac6da8 100644
@@ -443,8 +443,6 @@ static void drr_reset_qdisc(struct Qdisc *sch)
 			qdisc_reset(cl->qdisc);
 		}
 	}
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void drr_destroy_qdisc(struct Qdisc *sch)

index 76ed1a05ded2..a75bc7f80cd7 100644
@@ -408,8 +408,6 @@ static void dsmark_reset(struct Qdisc *sch)
 	pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
 	if (p->q)
 		qdisc_reset(p->q);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void dsmark_destroy(struct Qdisc *sch)

index c48f91075b5c..d96103b0e2bf 100644
@@ -445,9 +445,6 @@ static void etf_reset(struct Qdisc *sch)
 	timesortedlist_clear(sch);
 	__qdisc_reset_queue(&sch->q);
 
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
-
 	q->last = 0;
 }
 

index 9c224872ef03..05817c55692f 100644
@@ -722,8 +722,6 @@ static void ets_qdisc_reset(struct Qdisc *sch)
 	}
 	for (band = 0; band < q->nbands; band++)
 		qdisc_reset(q->classes[band].qdisc);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void ets_qdisc_destroy(struct Qdisc *sch)

index 99e8db262198..01d6eea5b0ce 100644
@@ -347,8 +347,6 @@ static void fq_codel_reset(struct Qdisc *sch)
 		codel_vars_init(&flow->cvars);
 	}
 	memset(q->backlogs, 0, q->flows_cnt * sizeof(u32));
-	sch->q.qlen = 0;
-	sch->qstats.backlog = 0;
 	q->memory_usage = 0;
 }
 

index c70802785518..cf04f70e96bf 100644
@@ -521,9 +521,6 @@ static void fq_pie_reset(struct Qdisc *sch)
 		INIT_LIST_HEAD(&flow->flowchain);
 		pie_vars_init(&flow->vars);
 	}
-
-	sch->q.qlen = 0;
-	sch->qstats.backlog = 0;
 }
 
 static void fq_pie_destroy(struct Qdisc *sch)

index d1902fca9844..cdc43a06aa9b 100644
@@ -1484,8 +1484,6 @@ hfsc_reset_qdisc(struct Qdisc *sch)
 	}
 	q->eligible = RB_ROOT;
 	qdisc_watchdog_cancel(&q->watchdog);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void

index cd70dbcbd72f..c3ba018fd083 100644
@@ -966,8 +966,6 @@ static void htb_reset(struct Qdisc *sch)
 	}
 	qdisc_watchdog_cancel(&q->watchdog);
 	__qdisc_reset_queue(&q->direct_queue);
-	sch->q.qlen = 0;
-	sch->qstats.backlog = 0;
 	memset(q->hlevel, 0, sizeof(q->hlevel));
 	memset(q->row_mask, 0, sizeof(q->row_mask));
 }

index 5c27b4270b90..1c6dbcfa89b8 100644
@@ -152,7 +152,6 @@ multiq_reset(struct Qdisc *sch)
 
 	for (band = 0; band < q->bands; band++)
 		qdisc_reset(q->queues[band]);
-	sch->q.qlen = 0;
 	q->curband = 0;
 }
 

index 3eabb871a1d5..1c805fe05b82 100644
@@ -135,8 +135,6 @@ prio_reset(struct Qdisc *sch)
 
 	for (prio = 0; prio < q->bands; prio++)
 		qdisc_reset(q->queues[prio]);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static int prio_offload(struct Qdisc *sch, struct tc_prio_qopt *qopt)

index af8c63a9ec18..1d1d81aeb389 100644
@@ -1458,8 +1458,6 @@ static void qfq_reset_qdisc(struct Qdisc *sch)
 			qdisc_reset(cl->qdisc);
 		}
 	}
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void qfq_destroy_qdisc(struct Qdisc *sch)

index 40adf1f07a82..f1e013e3f04a 100644
@@ -176,8 +176,6 @@ static void red_reset(struct Qdisc *sch)
 	struct red_sched_data *q = qdisc_priv(sch);
 
 	qdisc_reset(q->qdisc);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 	red_restart(&q->vars);
 }
 

index b2724057629f..9ded56228ea1 100644
@@ -455,9 +455,8 @@ static void sfb_reset(struct Qdisc *sch)
 {
 	struct sfb_sched_data *q = qdisc_priv(sch);
 
-	qdisc_reset(q->qdisc);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
+	if (likely(q->qdisc))
+		qdisc_reset(q->qdisc);
 	q->slot = 0;
 	q->double_buffering = false;
 	sfb_zero_all_buckets(q);

index 7a5e4c454715..df72fb83d9c7 100644
@@ -213,9 +213,6 @@ static void skbprio_reset(struct Qdisc *sch)
 	struct skbprio_sched_data *q = qdisc_priv(sch);
 	int prio;
 
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
-
 	for (prio = 0; prio < SKBPRIO_MAX_PRIORITY; prio++)
 		__skb_queue_purge(&q->qdiscs[prio]);
 

index ab8835a72cee..7f33b31c7b8b 100644
@@ -1626,8 +1626,6 @@ static void taprio_reset(struct Qdisc *sch)
 			if (q->qdiscs[i])
 				qdisc_reset(q->qdiscs[i]);
 	}
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 }
 
 static void taprio_destroy(struct Qdisc *sch)

index 6eb17004a9e4..7461e5c67d50 100644
@@ -316,8 +316,6 @@ static void tbf_reset(struct Qdisc *sch)
 	struct tbf_sched_data *q = qdisc_priv(sch);
 
 	qdisc_reset(q->qdisc);
-	sch->qstats.backlog = 0;
-	sch->q.qlen = 0;
 	q->t_c = ktime_get_ns();
 	q->tokens = q->buffer;
 	q->ptokens = q->mtu;

index 6af6b95bdb67..79aaab51cbf5 100644
@@ -124,7 +124,6 @@ teql_reset(struct Qdisc *sch)
 	struct teql_sched_data *dat = qdisc_priv(sch);
 
 	skb_queue_purge(&dat->q);
-	sch->q.qlen = 0;
 }
 
 static void

index 14bc20604051..2ae268b67465 100644
@@ -147,8 +147,8 @@ static bool tipc_disc_addr_trial_msg(struct tipc_discoverer *d,
 {
 	struct net *net = d->net;
 	struct tipc_net *tn = tipc_net(net);
-	bool trial = time_before(jiffies, tn->addr_trial_end);
 	u32 self = tipc_own_addr(net);
+	bool trial = time_before(jiffies, tn->addr_trial_end) && !self;
 
 	if (mtyp == DSC_TRIAL_FAIL_MSG) {
 		if (!trial)

index 13f3143609f9..d9e2c0fea3f2 100644
@@ -568,7 +568,7 @@ bool tipc_topsrv_kern_subscr(struct net *net, u32 port, u32 type, u32 lower,
 	sub.seq.upper = upper;
 	sub.timeout = TIPC_WAIT_FOREVER;
 	sub.filter = filter;
-	*(u32 *)&sub.usr_handle = port;
+	*(u64 *)&sub.usr_handle = (u64)port;
 
 	con = tipc_conn_alloc(tipc_topsrv(net));
 	if (IS_ERR(con))

index 31d631fa846e..3db8bd2158d9 100644
@@ -2011,7 +2011,8 @@ static inline int convert_context_handle_invalid_context(
  * in `newc'.  Verify that the context is valid
  * under the new policy.
  */
-static int convert_context(struct context *oldc, struct context *newc, void *p)
+static int convert_context(struct context *oldc, struct context *newc, void *p,
+			   gfp_t gfp_flags)
 {
 	struct convert_context_args *args;
 	struct ocontext *oc;

@@ -2025,7 +2026,7 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
 	args = p;
 
 	if (oldc->str) {
-		s = kstrdup(oldc->str, GFP_KERNEL);
+		s = kstrdup(oldc->str, gfp_flags);
 		if (!s)
 			return -ENOMEM;
 

index 656d50b09f76..1981c5af13e0 100644
@@ -325,7 +325,7 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
 		}
 
 		rc = convert->func(context, &dst_convert->context,
-				   convert->args);
+				   convert->args, GFP_ATOMIC);
 		if (rc) {
 			context_destroy(&dst->context);
 			goto out_unlock;

@@ -404,7 +404,7 @@ static int sidtab_convert_tree(union sidtab_entry_inner *edst,
 		while (i < SIDTAB_LEAF_ENTRIES && *pos < count) {
 			rc = convert->func(&esrc->ptr_leaf->entries[i].context,
 					   &edst->ptr_leaf->entries[i].context,
-					   convert->args);
+					   convert->args, GFP_KERNEL);
 			if (rc)
 				return rc;
 			(*pos)++;

index 4eff0e49dcb2..9fce0d553fe2 100644
@@ -65,7 +65,7 @@ struct sidtab_isid_entry {
 };
 
 struct sidtab_convert_params {
-	int (*func)(struct context *oldc, struct context *newc, void *args);
+	int (*func)(struct context *oldc, struct context *newc, void *args, gfp_t gfp_flags);
 	void *args;
 	struct sidtab *target;
 };

index 3a0a7930cd10..c56a4d9c3be9 100644
@@ -356,6 +356,12 @@ __add_event(struct list_head *list, int *idx,
 	struct perf_cpu_map *cpus = pmu ? perf_cpu_map__get(pmu->cpus) :
 			       cpu_list ? perf_cpu_map__new(cpu_list) : NULL;
 
+	if (pmu)
+		perf_pmu__warn_invalid_formats(pmu);
+
+	if (pmu && attr->type == PERF_TYPE_RAW)
+		perf_pmu__warn_invalid_config(pmu, attr->config, name);
+
 	if (init_attr)
 		event_attr_init(attr);
 

59 lines not on this page · raw message

index a64e9c9ce731..7d208b850769 100644
@@ -15,6 +15,7 @@ enum {
 	PERF_PMU_FORMAT_VALUE_CONFIG,
 	PERF_PMU_FORMAT_VALUE_CONFIG1,
 	PERF_PMU_FORMAT_VALUE_CONFIG2,
+	PERF_PMU_FORMAT_VALUE_CONFIG_END,
 };
 
 #define PERF_PMU_FORMAT_BITS 64

@@ -120,4 +121,8 @@ int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
 
 int perf_pmu__caps_parse(struct perf_pmu *pmu);
 
+void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
+				   char *name);
+void perf_pmu__warn_invalid_formats(struct perf_pmu *pmu);
+
 #endif /* __PMU_H */

index c4cce817a452..564d5c145fbe 100644
@@ -3966,6 +3966,12 @@ struct compat_kvm_clear_dirty_log {
 	};
 };
 
+long __weak kvm_arch_vm_compat_ioctl(struct file *filp, unsigned int ioctl,
+				     unsigned long arg)
+{
+	return -ENOTTY;
+}
+
 static long kvm_vm_compat_ioctl(struct file *filp,
 			   unsigned int ioctl, unsigned long arg)
 {

@@ -3974,6 +3980,11 @@ static long kvm_vm_compat_ioctl(struct file *filp,
 
 	if (kvm->mm != current->mm || kvm->vm_bugged)
 		return -EIO;
+
+	r = kvm_arch_vm_compat_ioctl(filp, ioctl, arg);
+	if (r != -ENOTTY)
+		return r;
+
 	switch (ioctl) {
 #ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
 	case KVM_CLEAR_DIRTY_LOG: {