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percpu: add missing markups in arch/x86/lib/msr*

PATCH In review Namhyung Kim 2 participants 2 messages Aug 6, 2010 – Aug 7, 2010 x86

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Namhyung Kim

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#0 lore raw

PATCH 5/5 percpu: add missing markups in arch/x86/lib/msr*

Signed-off-by Namhyung Kim <[email protected]>
---
 arch/x86/include/asm/msr.h |   14 +++++++-------
 arch/x86/lib/msr-smp.c     |    8 +++++---
 arch/x86/lib/msr.c         |    6 +++---
 3 files changed, 15 insertions(+), 13 deletions(-)
arch/x86/include/asm/msr.h +7 -7
index c5bc4c2..0515ba7 100644
@@ -30,7 +30,7 @@ struct msr {
 struct msr_info {
 	u32 msr_no;
 	struct msr reg;
-	struct msr *msrs;
+	struct msr __percpu *msrs;
 	int err;
 };
 

@@ -256,14 +256,14 @@ do {                                                            \
 
 #define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0)
 
-struct msr *msrs_alloc(void);
-void msrs_free(struct msr *msrs);
+struct msr __percpu *msrs_alloc(void);
+void msrs_free(struct msr __percpu *msrs);
 
 #ifdef CONFIG_SMP
 int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
 int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
+void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
+void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
 int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
 int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
 int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);

@@ -280,12 +280,12 @@ static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 	return 0;
 }
 static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
-				struct msr *msrs)
+				struct msr __percpu *msrs)
 {
        rdmsr_on_cpu(0, msr_no, &(msrs[0].l), &(msrs[0].h));
 }
 static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
-				struct msr *msrs)
+				struct msr __percpu *msrs)
 {
        wrmsr_on_cpu(0, msr_no, msrs[0].l, msrs[0].h);
 }
arch/x86/lib/msr-smp.c +5 -3
index a6b1b86..b6a355f 100644
@@ -64,7 +64,7 @@ int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 EXPORT_SYMBOL(wrmsr_on_cpu);
 
 static void __rwmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
-			    struct msr *msrs,
+			    struct msr __percpu *msrs,
 			    void (*msr_func) (void *info))
 {
 	struct msr_info rv;

@@ -91,7 +91,8 @@ static void __rwmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
  * @msrs:       array of MSR values
  *
  */
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs)
+void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
+		   struct msr __percpu *msrs)
 {
 	__rwmsr_on_cpus(mask, msr_no, msrs, __rdmsr_on_cpu);
 }

@@ -105,7 +106,8 @@ EXPORT_SYMBOL(rdmsr_on_cpus);
  * @msrs:       array of MSR values
  *
  */
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs)
+void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
+		   struct msr __percpu *msrs)
 {
 	__rwmsr_on_cpus(mask, msr_no, msrs, __wrmsr_on_cpu);
 }
arch/x86/lib/msr.c +3 -3
index 8f8eebd..42c994c 100644
@@ -2,9 +2,9 @@
 #include <linux/preempt.h>
 #include <asm/msr.h>
 
-struct msr *msrs_alloc(void)
+struct msr __percpu *msrs_alloc(void)
 {
-	struct msr *msrs = NULL;
+	struct msr __percpu *msrs = NULL;
 
 	msrs = alloc_percpu(struct msr);
 	if (!msrs) {

@@ -16,7 +16,7 @@ struct msr *msrs_alloc(void)
 }
 EXPORT_SYMBOL(msrs_alloc);
 
-void msrs_free(struct msr *msrs)
+void msrs_free(struct msr __percpu *msrs)
 {
 	free_percpu(msrs);
 }
Signature · 1 line
1.7.0.4
#1 lore raw

PATCH 1/1 x86: add missing __percpu markups in arch/x86/lib/msr*

From: Namhyung Kim <[email protected]>

msr_info->msrs is a percpu pointer but was missing __percpu markup. Add it.

Signed-off-by Namhyung Kim <[email protected]>
Acked-by Tejun Heo <[email protected]>

---
Thomas, can you please route this through x86 tree?

Thanks.

 arch/x86/include/asm/msr.h |   14 +++++++-------
 arch/x86/lib/msr-smp.c     |    8 +++++---
 arch/x86/lib/msr.c         |    6 +++---
 3 files changed, 15 insertions(+), 13 deletions(-)
arch/x86/include/asm/msr.h +7 -7
Index: percpu/arch/x86/include/asm/msr.h
===================================================================
@@ -30,7 +30,7 @@ struct msr {
 struct msr_info {
 	u32 msr_no;
 	struct msr reg;
-	struct msr *msrs;
+	struct msr __percpu *msrs;
 	int err;
 };
 

@@ -256,14 +256,14 @@ do {
 
 #define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0)
 
-struct msr *msrs_alloc(void);
-void msrs_free(struct msr *msrs);
+struct msr __percpu *msrs_alloc(void);
+void msrs_free(struct msr __percpu *msrs);
 
 #ifdef CONFIG_SMP
 int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
 int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs);
+void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
+void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr __percpu *msrs);
 int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
 int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
 int rdmsr_safe_regs_on_cpu(unsigned int cpu, u32 regs[8]);

@@ -280,12 +280,12 @@ static inline int wrmsr_on_cpu(unsigned
 	return 0;
 }
 static inline void rdmsr_on_cpus(const struct cpumask *m, u32 msr_no,
-				struct msr *msrs)
+				struct msr __percpu *msrs)
 {
        rdmsr_on_cpu(0, msr_no, &(msrs[0].l), &(msrs[0].h));
 }
 static inline void wrmsr_on_cpus(const struct cpumask *m, u32 msr_no,
-				struct msr *msrs)
+				struct msr __percpu *msrs)
 {
        wrmsr_on_cpu(0, msr_no, msrs[0].l, msrs[0].h);
 }
arch/x86/lib/msr-smp.c +5 -3
Index: percpu/arch/x86/lib/msr-smp.c
===================================================================
@@ -64,7 +64,7 @@ int wrmsr_on_cpu(unsigned int cpu, u32 m
 EXPORT_SYMBOL(wrmsr_on_cpu);
 
 static void __rwmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
-			    struct msr *msrs,
+			    struct msr __percpu *msrs,
 			    void (*msr_func) (void *info))
 {
 	struct msr_info rv;

@@ -91,7 +91,8 @@ static void __rwmsr_on_cpus(const struct
  * @msrs:       array of MSR values
  *
  */
-void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs)
+void rdmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
+		   struct msr __percpu *msrs)
 {
 	__rwmsr_on_cpus(mask, msr_no, msrs, __rdmsr_on_cpu);
 }

@@ -105,7 +106,8 @@ EXPORT_SYMBOL(rdmsr_on_cpus);
  * @msrs:       array of MSR values
  *
  */
-void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no, struct msr *msrs)
+void wrmsr_on_cpus(const struct cpumask *mask, u32 msr_no,
+		   struct msr __percpu *msrs)
 {
 	__rwmsr_on_cpus(mask, msr_no, msrs, __wrmsr_on_cpu);
 }
arch/x86/lib/msr.c +3 -3
Index: percpu/arch/x86/lib/msr.c
===================================================================
@@ -2,9 +2,9 @@
 #include <linux/preempt.h>
 #include <asm/msr.h>
 
-struct msr *msrs_alloc(void)
+struct msr __percpu *msrs_alloc(void)
 {
-	struct msr *msrs = NULL;
+	struct msr __percpu *msrs = NULL;
 
 	msrs = alloc_percpu(struct msr);
 	if (!msrs) {

@@ -16,7 +16,7 @@ struct msr *msrs_alloc(void)
 }
 EXPORT_SYMBOL(msrs_alloc);
 
-void msrs_free(struct msr *msrs)
+void msrs_free(struct msr __percpu *msrs)
 {
 	free_percpu(msrs);
 }