diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
| commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
| tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /arch/x86/um/asm/processor.h | |
| parent | e66a8ddff72e85605f2212a0ebc666c7e9116641 (diff) | |
| parent | b4838d12e1f3cb48c2489a0b08733b5dbf848297 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'arch/x86/um/asm/processor.h')
| -rw-r--r-- | arch/x86/um/asm/processor.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/um/asm/processor.h b/arch/x86/um/asm/processor.h index 2c32df6fe23..04f82e020f2 100644 --- a/arch/x86/um/asm/processor.h +++ b/arch/x86/um/asm/processor.h @@ -17,6 +17,16 @@ #define ARCH_IS_STACKGROW(address) \ (address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(¤t->thread.regs.regs)) +#include <asm/user.h> + +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ + __asm__ __volatile__("rep;nop": : :"memory"); +} + +#define cpu_relax() rep_nop() + #include <asm/processor-generic.h> #endif |