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| author | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:51:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-03-04 11:51:29 +0100 |
| commit | e02c4fd3142dfb9412531bbfabd510a2a7c6ea46 (patch) | |
| tree | 61b64506b2c016e050f940a89d1ffd36b7c00fdf /arch/x86/lib/cache-smp.c | |
| parent | tracing: Include irqflags headers from trace clock (diff) | |
| parent | tracing: Fix warning in s_next of trace file ops (diff) | |
| download | linux-e02c4fd3142dfb9412531bbfabd510a2a7c6ea46.tar.xz linux-e02c4fd3142dfb9412531bbfabd510a2a7c6ea46.zip | |
Merge branch 'tip/tracing/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
Diffstat (limited to 'arch/x86/lib/cache-smp.c')
| -rw-r--r-- | arch/x86/lib/cache-smp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c new file mode 100644 index 000000000000..a3c668875038 --- /dev/null +++ b/arch/x86/lib/cache-smp.c @@ -0,0 +1,19 @@ +#include <linux/smp.h> +#include <linux/module.h> + +static void __wbinvd(void *dummy) +{ + wbinvd(); +} + +void wbinvd_on_cpu(int cpu) +{ + smp_call_function_single(cpu, __wbinvd, NULL, 1); +} +EXPORT_SYMBOL(wbinvd_on_cpu); + +int wbinvd_on_all_cpus(void) +{ + return on_each_cpu(__wbinvd, NULL, 1); +} +EXPORT_SYMBOL(wbinvd_on_all_cpus); |