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s390/jump_label: print real address in a case of a jump label bug

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[ Upstream commit 5492886c14 ]

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>
This commit is contained in:
Heiko Carstens
2021-07-12 19:26:01 +02:00
committed by Greg Kroah-Hartman
parent 863d2eb2f7
commit 77d62f2bcc
1 changed files with 1 additions and 1 deletions
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2
arch/s390/kernel/jump_label.c
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@@ -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);