X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=arch%2Fx86%2Fum%2Fshared%2Fsysdep%2Fstub_32.h;h=4c6c2be0c899775b6480deb641ac01faf18d94f9;hb=c605c39677b9842b0566013e0cf30bc13e90bdbc;hp=b95db9daf0e821993677bb098c111e561269ed9d;hpb=c99c4d0ca57c978dcc2a2f41ab8449684ea154cc;p=linux-2.6-microblaze.git

diff --git a/arch/x86/um/shared/sysdep/stub_32.h b/arch/x86/um/shared/sysdep/stub_32.h
index b95db9daf0e8..4c6c2be0c899 100644
--- a/arch/x86/um/shared/sysdep/stub_32.h
+++ b/arch/x86/um/shared/sysdep/stub_32.h
@@ -101,4 +101,16 @@ static inline void remap_stack_and_trap(void)
 		"memory");
 }
 
+static __always_inline void *get_stub_page(void)
+{
+	unsigned long ret;
+
+	asm volatile (
+		"movl %%esp,%0 ;"
+		"andl %1,%0"
+		: "=a" (ret)
+		: "g" (~(UM_KERN_PAGE_SIZE - 1)));
+
+	return (void *)ret;
+}
 #endif