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authorNigel Cunningham <nigel@nigel.suspend2.net>2007-07-21 17:10:41 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 18:37:10 -0700
commit44bf4cea43816d43deab73c1c16361e899996eaa (patch)
tree7ed3e6672f6abe3a68a79c77a7af125d0e0dab21 /include/asm-x86_64
parent9ef231a436fddb34d806f599c97b479691b3c38b (diff)
x86: PM_TRACE support
Signed-off-by: Nigel Cunningham <nigel@nigel.suspend2.net> Cc: Randy Dunlap <rdunlap@xenotime.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r--include/asm-x86_64/resume-trace.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86_64/resume-trace.h b/include/asm-x86_64/resume-trace.h
new file mode 100644
index 00000000000..34bf998fdf6
--- /dev/null
+++ b/include/asm-x86_64/resume-trace.h
@@ -0,0 +1,13 @@
+#define TRACE_RESUME(user) do { \
+ if (pm_trace_enabled) { \
+ void *tracedata; \
+ asm volatile("movq $1f,%0\n" \
+ ".section .tracedata,\"a\"\n" \
+ "1:\t.word %c1\n" \
+ "\t.quad %c2\n" \
+ ".previous" \
+ :"=r" (tracedata) \
+ : "i" (__LINE__), "i" (__FILE__)); \
+ generate_resume_trace(tracedata, user); \
+ } \
+} while (0)