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(parent: 3c673ed) | 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)
commitad7ee2eedf560edad76923f82482bf06606270d2
tree73409f5cca53839f34ea90ca7c48bcd7c0efd4d3tree | snapshot
parent3c673edaf457e827851696dcc7ecf628766e1143commit | 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
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