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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2009-12-02 23:38:13 -0800
commit467832032cc07626880363efa8625719c16c04eb (patch)
treeee9a62c04f0b3106e412bc1b2dd1cea5566d5ca7 /arch/x86/kernel/process_64.c
parent66d2a5952eab875f1286e04f738ef029afdaf013 (diff)
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
Merge commit 'v2.6.32' into next
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 ad535b68317..eb62cbcaa49 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);
+}