summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/process_64.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-11-15 09:50:38 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-15 09:50:41 +0100
commit39dc78b6510323848e3356452f7dab9499736978 (patch)
treecf8a8fede74e41b203fd00e3ccd21ead2e851442 /arch/x86/kernel/process_64.c
parent4c49b12853fbb5eff4849b7b6a1e895776f027a1 (diff)
parent156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff)
downloadop-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.zip
op-kernel-dev-39dc78b6510323848e3356452f7dab9499736978.tar.gz
Merge commit 'v2.6.32-rc7' into perf/core
Merge reason: pick up perf fixlets Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r--arch/x86/kernel/process_64.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index ad535b6..eb62cbc 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -664,3 +664,8 @@ long sys_arch_prctl(int code, unsigned long addr)
return do_arch_prctl(current, code, addr);
}
+unsigned long KSTK_ESP(struct task_struct *task)
+{
+ return (test_tsk_thread_flag(task, TIF_IA32)) ?
+ (task_pt_regs(task)->sp) : ((task)->thread.usersp);
+}
OpenPOWER on IntegriCloud