s390/irq/idle: Remove psw bits early

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Remove wait, io, external interrupt bits early in do_io_irq()/do_ext_irq()
when previous context was idle. This saves one conditional branch and is
closer to the original old assembly code.

Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Heiko Carstens 2026-02-18 15:20:09 +01:00 • committed by Vasily Gorbik

parent 257c14e5a1

commit d8b5cf9c63

1 changed files with 6 additions and 8 deletions

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arch/s390/kernel/irq.c

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