From: "H.J. Lu" <[email protected]> Add ENDBR32 to __kernel_vsyscall entry point.
Signed-off-by: H.J. Lu <[email protected]> Signed-off-by: Yu-cheng Yu <[email protected]> Acked-by: Andy Lutomirski <[email protected]> --- arch/x86/entry/vdso/vdso32/system_call.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index de1fff7188aa..e331fcdebd95 100644 --- a/arch/x86/entry/vdso/vdso32/system_call.S +++ b/arch/x86/entry/vdso/vdso32/system_call.S @@ -14,6 +14,9 @@ ALIGN __kernel_vsyscall: CFI_STARTPROC +#ifdef CONFIG_X86_BRANCH_TRACKING_USER + endbr32 +#endif /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state. -- 2.21.0

