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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2012-05-15 17:21:26 +1000 |
| commit | b29e2679d0da91c60d3ac190d9c3bd65ac2f68c5 (patch) | |
| tree | 518ec8f4bfd316e91bcc30f434edb78529557eba /arch/x86/um/asm/processor.h | |
| parent | 8a63b1994c500d4825ee73dc71502deffe5b135b (diff) | |
| parent | 4bb2d1009f671815870e8f78e826e4f9071392a7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to add prerequisite for ARM ux500 crypto support.
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 |