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authorIngo Molnar <mingo@elte.hu>2009-10-06 15:02:30 +0200
committerIngo Molnar <mingo@elte.hu>2009-10-06 15:02:34 +0200
commitd9b2002c406011164f245de7a81304625989f1c9 (patch)
treea2bb74773cd1409acbec5eb2fbba2ae9889d55e8 /arch/m32r/kernel/entry.S
parentc3b32fcbc7f4fd9a9b84718b991b175b0fd53f8c (diff)
parent906010b2134e14a2e377decbadd357b3d0ab9c6a (diff)
Merge branch 'perf/urgent' into perf/core
Merge reason: Upcoming patch is dependent on a fix in perf/urgent. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/m32r/kernel/entry.S')
-rw-r--r--arch/m32r/kernel/entry.S7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index 612d35b082a..403869833b9 100644
--- a/arch/m32r/kernel/entry.S
+++ b/arch/m32r/kernel/entry.S
@@ -118,6 +118,13 @@
#define resume_kernel restore_all
#endif
+/* how to get the thread information struct from ASM */
+#define GET_THREAD_INFO(reg) GET_THREAD_INFO reg
+ .macro GET_THREAD_INFO reg
+ ldi \reg, #-THREAD_SIZE
+ and \reg, sp
+ .endm
+
ENTRY(ret_from_fork)
pop r0
bl schedule_tail