[PATCH AUTOSEL 5.13 065/219] s390/jump_label: print real address in a case of a jump label bug
From: Sasha Levin <sashal@kernel.org>
Date: 2021-09-09 12:14:35
Also in:
linux-s390, lkml
Subsystem:
s390 architecture, static branch/call, the rest · Maintainers:
Heiko Carstens, Vasily Gorbik, Alexander Gordeev, Peter Zijlstra, Josh Poimboeuf, Jason Baron, Alice Ryhl, Linus Torvalds
From: Heiko Carstens <hca@linux.ibm.com> [ Upstream commit 5492886c14744d239e87f1b0b774b5a341e755cc ] In case of a jump label print the real address of the piece of code where a mismatch was detected. This is right before the system panics, so there is nothing revealed. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/s390/kernel/jump_label.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c
index ab584e8e3527..9156653b56f6 100644
--- a/arch/s390/kernel/jump_label.c
+++ b/arch/s390/kernel/jump_label.c@@ -36,7 +36,7 @@ static void jump_label_bug(struct jump_entry *entry, struct insn *expected, unsigned char *ipe = (unsigned char *)expected; unsigned char *ipn = (unsigned char *)new; - pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc); + pr_emerg("Jump label code mismatch at %pS [%px]\n", ipc, ipc); pr_emerg("Found: %6ph\n", ipc); pr_emerg("Expected: %6ph\n", ipe); pr_emerg("New: %6ph\n", ipn);
--
2.30.2