diff options
| author | Cédric Le Goater <clg@kaod.org> | 2021-07-19 16:06:14 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-08-10 16:15:01 +0300 |
| commit | 17df41fec5b80b16ea4774495f1eb730e2225619 (patch) | |
| tree | 3da34c823cc4ba4a235e8c921d462c8a32a02fb4 /arch/powerpc/sysdev/xics | |
| parent | 59b2bc18b1492b46d45b6b6828ba098f09b9ba67 (diff) | |
| download | linux-17df41fec5b80b16ea4774495f1eb730e2225619.tar.xz | |
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
Diffstat (limited to 'arch/powerpc/sysdev/xics')
| -rw-r--r-- | arch/powerpc/sysdev/xics/xics-common.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index 4a7687caec75..5c1a157a83b8 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -132,7 +132,7 @@ static void xics_request_ipi(void) * IPIs are marked IRQF_PERCPU. The handler was set in map. */ BUG_ON(request_irq(ipi, icp_ops->ipi_action, - IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL)); + IRQF_NO_DEBUG | IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL)); } void __init xics_smp_probe(void) |