On Fri, Jun 26, 2020 at 10:21:11AM -0700, Andy Lutomirski wrote: > +static void check_user_regs(struct pt_regs *regs)
--- Subject: x86/entry: Mark check_user_regs() noinstr vmlinux.o: warning: objtool: do_syscall_64()+0xb: call to check_user_regs() leaves .noinstr.text section vmlinux.o: warning: objtool: do_int80_syscall_32()+0x4: call to check_user_regs() leaves .noinstr.text section vmlinux.o: warning: objtool: do_fast_syscall_32()+0x25: call to check_user_regs() leaves .noinstr.text section vmlinux.o: warning: objtool: idtentry_enter_cond_rcu()+0x3d: call to check_user_regs() leaves .noinstr.text section vmlinux.o: warning: objtool: idtentry_enter_user()+0x0: call to check_user_regs() leaves .noinstr.text section Signed-off-by: Peter Zijlstra (Intel) <[email protected]> --- arch/x86/entry/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index e83b3f14897c..ea7b515e3bc2 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -46,7 +46,7 @@ #include <trace/events/syscalls.h> /* Check that the stack and regs on entry from user mode are sane. */ -static void check_user_regs(struct pt_regs *regs) +static noinstr void check_user_regs(struct pt_regs *regs) { if (IS_ENABLED(CONFIG_DEBUG_ENTRY)) { /*
