summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/msr.h
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2009-06-12 11:53:47 +0400
committerArnd Bergmann <arnd@arndb.de>2009-06-12 13:32:58 +0400
commit5b02ee3d219f9e01b6e9146e25613822cfc2e5ce (patch)
tree7ce9126738c3cf4b37d67170d0e4b34818c057a9 /arch/x86/include/asm/msr.h
parent26a28fa4fea5b8c65713aa50c124f76a88c7924d (diff)
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff)
downloadlinux-5b02ee3d219f9e01b6e9146e25613822cfc2e5ce.tar.xz
asm-generic: merge branch 'master' of torvalds/linux-2.6
Fixes a merge conflict against the x86 tree caused by a fix to atomic.h which I renamed to atomic_long.h. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/x86/include/asm/msr.h')
-rw-r--r--arch/x86/include/asm/msr.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 638bf6241807..22603764e7db 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -12,6 +12,17 @@
#include <asm/asm.h>
#include <asm/errno.h>
+#include <asm/cpumask.h>
+
+struct msr {
+ union {
+ struct {
+ u32 l;
+ u32 h;
+ };
+ u64 q;
+ };
+};
static inline unsigned long long native_read_tscp(unsigned int *aux)
{
@@ -216,6 +227,8 @@ do { \
#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 cpumask_t *mask, u32 msr_no, struct msr *msrs);
+void wrmsr_on_cpus(const cpumask_t *mask, u32 msr_no, struct msr *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);
#else /* CONFIG_SMP */
@@ -229,6 +242,16 @@ static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
wrmsr(msr_no, l, h);
return 0;
}
+static inline void rdmsr_on_cpus(const cpumask_t *m, u32 msr_no,
+ struct msr *msrs)
+{
+ rdmsr_on_cpu(0, msr_no, &(msrs[0].l), &(msrs[0].h));
+}
+static inline void wrmsr_on_cpus(const cpumask_t *m, u32 msr_no,
+ struct msr *msrs)
+{
+ wrmsr_on_cpu(0, msr_no, msrs[0].l, msrs[0].h);
+}
static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no,
u32 *l, u32 *h)
{