From: Zenghui Yu Date: Fri, 21 Feb 2020 02:07:25 +0000 (+0800) Subject: genirq/irqdomain: Make sure all irq domain flags are distinct X-Git-Tag: v5.10.7~3059^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2546287c5fb363a0165933ae2181c92f03e701d0;p=platform%2Fkernel%2Flinux-rpi.git genirq/irqdomain: Make sure all irq domain flags are distinct This was noticed when printing debugfs for MSIs on my ARM64 server. The new dstate IRQD_MSI_NOMASK_QUIRK came out surprisingly while it should only be the x86 stuff for the time being... The new MSI quirk flag uses the same bit as IRQ_DOMAIN_NAME_ALLOCATED which is oddly defined as bit 6 for no good reason. Switch it to the non used bit 1. Fixes: 6f1a4891a592 ("x86/apic/msi: Plug non-maskable MSI affinity race") Signed-off-by: Zenghui Yu Signed-off-by: Thomas Gleixner Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200221020725.2038-1-yuzenghui@huawei.com --- diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index b2d47571..8d062e8 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -192,7 +192,7 @@ enum { IRQ_DOMAIN_FLAG_HIERARCHY = (1 << 0), /* Irq domain name was allocated in __irq_domain_add() */ - IRQ_DOMAIN_NAME_ALLOCATED = (1 << 6), + IRQ_DOMAIN_NAME_ALLOCATED = (1 << 1), /* Irq domain is an IPI domain with virq per cpu */ IRQ_DOMAIN_FLAG_IPI_PER_CPU = (1 << 2),