diff options
| author | Zenghui Yu <yuzenghui@huawei.com> | 2020-02-21 10:07:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 16:38:50 +0100 |
| commit | ea2a11561d01b6588fc76e2d187769bba2e34a50 (patch) | |
| tree | 811b0049fd01dad4efcec02946c0e8ed576f56f5 | |
| parent | 576c04cbbef2630b1373bdc1736c3081102f9386 (diff) | |
genirq/irqdomain: Make sure all irq domain flags are distinct
commit 2546287c5fb363a0165933ae2181c92f03e701d0 upstream.
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 <yuzenghui@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20200221020725.2038-1-yuzenghui@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/irqdomain.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 8301f1df0682..092445543258 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -188,7 +188,7 @@ 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), |