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(parent: 6c4a1b9) | patch
powerpc: use IRQF_NO_DEBUG for IPIs
authorCédric Le Goater <clg@kaod.org>
Mon, 19 Jul 2021 13:06:14 +0000 (15:06 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 10 Aug 2021 13:15:01 +0000 (23:15 +1000)
commit6f4af3854928c9877ac189eef8c9534c994eb3fd
tree3da34c823cc4ba4a235e8c921d462c8a32a02fb4tree | snapshot
parent6c4a1b9671c121ef27e5e776da1d6b90898e2b2dcommit | diff
powerpc: use IRQF_NO_DEBUG for IPIs

There is no need to use the lockup detector ("noirqdebug") for IPIs.
The ipistorm benchmark measures a ~10% improvement on high systems
when this flag is set.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210719130614.195886-1-clg@kaod.org
arch/powerpc/sysdev/xics/xics-common.c diff | blob | history
arch/powerpc/sysdev/xive/common.c diff | blob | history
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