s390: use r13 in cleanup_sie as temp register

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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>

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Sven Schnelle 2021-02-03 17:46:12 +01:00 • committed by Vasily Gorbik

parent 26521412ae

commit 33ea04872d

1 changed files with 2 additions and 2 deletions

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arch/s390/kernel/entry.S

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