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: stable@vger.kernel.org Signed-off-by: Alexander Gordeev agordeev@linux.ibm.com Reviewed-by: Christian Borntraeger borntraeger@de.ibm.com 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 @@ -651,7 +651,7 @@ ENDPROC(stack_overflow) .Lcleanup_sie_mcck: larl %r13,.Lsie_entry slgr %r9,%r13 - larl %r13,.Lsie_skip + lghi %r13,.Lsie_skip - .Lsie_entry clgr %r9,%r13 jhe .Lcleanup_sie_int oi __LC_CPU_FLAGS+7, _CIF_MCCK_GUEST