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(parent: 2652141) | patch
s390: use r13 in cleanup_sie as temp register
authorSven Schnelle <svens@linux.ibm.com>
Wed, 3 Feb 2021 16:46:12 +0000 (17:46 +0100)
committerVasily Gorbik <gor@linux.ibm.com>
Sat, 13 Feb 2021 16:17:53 +0000 (17:17 +0100)
commit33ea04872da15ea8236f92da6009af5a1b0af641
tree73409f5cca53839f34ea90ca7c48bcd7c0efd4d3tree | snapshot
parent26521412ae22d06caab98721757b2721c6d7c46ccommit | diff
s390: use r13 in cleanup_sie as temp register

Instead of thrashing r11 which is normally our pointer to struct
pt_regs on the stack, use r13 as temporary register in the BR_EX
macro. r13 is already used in cleanup_sie, so no need to thrash
another register.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/kernel/entry.S diff | blob | history
Domain: System / Kernel;