diff mbox series

[5.15,545/846] x86/mce: Mark mce_read_aux() noinstr

Message ID 20220124184119.819286011@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Jan. 24, 2022, 6:41 p.m. UTC 
From: Borislav Petkov <bp@suse.de>

[ Upstream commit db6c996d6ce45dfb44891f0824a65ecec216f47a ]

Fixes

  vmlinux.o: warning: objtool: do_machine_check()+0x681: call to mce_read_aux() leaves .noinstr.text section

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-10-bp@alien8.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kernel/cpu/mce/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index c37a0bcf2744b..e23e74e2f928d 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -691,7 +691,7 @@  static struct notifier_block mce_default_nb = {
 /*
  * Read ADDR and MISC registers.
  */
-static void mce_read_aux(struct mce *m, int i)
+static noinstr void mce_read_aux(struct mce *m, int i)
 {
 	if (m->status & MCI_STATUS_MISCV)
 		m->misc = mce_rdmsrl(msr_ops.misc(i));