diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-04-10 13:01:59 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-04-10 13:01:59 +0300 |
| commit | be770021011f00bd6220c87876292053221ca5f1 (patch) | |
| tree | 004a568289a595082119064edf07503170153c19 /arch/x86/include/asm/pm-trace.h | |
| parent | e5e02de0665ef2477e7a018193051387c6fe0fbc (diff) | |
| parent | f321c9cbf3bbf86f6e6153419eaf93ad085e3d74 (diff) | |
| download | linux-be770021011f00bd6220c87876292053221ca5f1.tar.xz | |
Merge back earlier suspend/hibernate material for v4.1.
Diffstat (limited to 'arch/x86/include/asm/pm-trace.h')
| -rw-r--r-- | arch/x86/include/asm/pm-trace.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pm-trace.h b/arch/x86/include/asm/pm-trace.h new file mode 100644 index 000000000000..7b7ac42c3661 --- /dev/null +++ b/arch/x86/include/asm/pm-trace.h @@ -0,0 +1,23 @@ +#ifndef _ASM_X86_PM_TRACE_H +#define _ASM_X86_PM_TRACE_H + +#include <asm/asm.h> + +#define TRACE_RESUME(user) \ +do { \ + if (pm_trace_enabled) { \ + const void *tracedata; \ + asm volatile(_ASM_MOV " $1f,%0\n" \ + ".section .tracedata,\"a\"\n" \ + "1:\t.word %c1\n\t" \ + _ASM_PTR " %c2\n" \ + ".previous" \ + :"=r" (tracedata) \ + : "i" (__LINE__), "i" (__FILE__)); \ + generate_pm_trace(tracedata, user); \ + } \ +} while (0) + +#define TRACE_SUSPEND(user) TRACE_RESUME(user) + +#endif /* _ASM_X86_PM_TRACE_H */ |