x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/x86/include/asm/resume-trace.h b/arch/x86/include/asm/resume-trace.h
new file mode 100644
index 000000000000..e39376d7de50
--- /dev/null
+++ b/arch/x86/include/asm/resume-trace.h
@@ -0,0 +1,21 @@
+#ifndef ASM_X86__RESUME_TRACE_H
+#define ASM_X86__RESUME_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_resume_trace(tracedata, user);         \
+        }                                                       \
+} while (0)
+
+#endif /* ASM_X86__RESUME_TRACE_H */