[PATCH 5.10 115/146] s390/mcck: fix calculation of SIE critical section size
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-06-21 16:37:49
Also in:
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From: Alexander Gordeev <agordeev@linux.ibm.com>
commit 5bcbe3285fb614c49db6b238253f7daff7e66312 upstream.
The size of SIE critical section is calculated wrongly
as result of a missed subtraction in commit 0b0ed657fe00
("s390: remove critical section cleanup from entry.S")
Fixes: 0b0ed657fe00 ("s390: remove critical section cleanup from entry.S")
Cc: <redacted>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Christian Borntraeger <redacted>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/s390/kernel/entry.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S@@ -1284,7 +1284,7 @@ ENDPROC(stack_overflow) je 1f larl %r13,.Lsie_entry slgr %r9,%r13 - larl %r13,.Lsie_skip + lghi %r13,.Lsie_skip - .Lsie_entry clgr %r9,%r13 jh 1f oi __LC_CPU_FLAGS+7, _CIF_MCCK_GUEST