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-rw-r--r--arch/x86/um/shared/sysdep/stub_64.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/um/shared/sysdep/stub_64.h b/arch/x86/um/shared/sysdep/stub_64.h
index 67f44284f1aa..8e4ff39dcade 100644
--- a/arch/x86/um/shared/sysdep/stub_64.h
+++ b/arch/x86/um/shared/sysdep/stub_64.h
@@ -28,6 +28,17 @@ static __always_inline long stub_syscall0(long syscall)
return ret;
}
+static __always_inline long stub_syscall1(long syscall, long arg1)
+{
+ long ret;
+
+ __asm__ volatile (__syscall
+ : "=a" (ret)
+ : "0" (syscall), "D" (arg1) : __syscall_clobber );
+
+ return ret;
+}
+
static __always_inline long stub_syscall2(long syscall, long arg1, long arg2)
{
long ret;