This is a note to let you know that I've just added the patch titled
s390/entry: make oklabel within CHKSTG macro local
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
s390-entry-make-oklabel-within-chkstg-macro-local.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2344b938f053d23003e57f204fb311a1b45b3b5a
Author: Heiko Carstens <hca@xxxxxxxxxxxxx>
Date: Fri Aug 27 13:45:14 2021 +0200
s390/entry: make oklabel within CHKSTG macro local
[ Upstream commit 15256194eff64f9a774b33b7817ea663e352394a ]
Make the oklabel within the CHKSTG macro local. This makes sure that
tools like objdump and the crash debugging tool still disassemble full
functions where the macro has been used instead of stopping half way
where such a global label is used and one has to guess how to
disassemble the rest of such a function:
E.g.:
0000000000cb0270 <mcck_int_handler>:
cb0270: b2 05 03 20 stck 800
...
cb0354: a7 74 00 97 jne cb0482 <oklabel270+0xe2>
0000000000cb0358 <oklabel243>:
cb0358: c0 e0 00 22 4e 8f larl %r14,10fa076 <opcode+0x2558>
...
Fixes: d35925b34996 ("s390/mcck: move storage error checks to assembler")
Reviewed-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index b9716a7e326d..4c9b967290ae 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -140,10 +140,10 @@ _LPP_OFFSET = __LC_LPP
TSTMSK __LC_MCCK_CODE,(MCCK_CODE_STG_ERROR|MCCK_CODE_STG_KEY_ERROR)
jnz \errlabel
TSTMSK __LC_MCCK_CODE,MCCK_CODE_STG_DEGRAD
- jz oklabel\@
+ jz .Loklabel\@
TSTMSK __LC_MCCK_CODE,MCCK_CODE_STG_FAIL_ADDR
jnz \errlabel
-oklabel\@:
+.Loklabel\@:
.endm
#if IS_ENABLED(CONFIG_KVM)
