Commit-ID: 0551968add53777fddd18f4ffb4e3bbc1f646d79
Gitweb: http://git.kernel.org/tip/0551968add53777fddd18f4ffb4e3bbc1f646d79
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Thu, 21 Sep 2017 11:54:44 +0200
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 21 Sep 2017 11:54:44 +0200
Revert "genirq: Restrict effective affinity to interrupts actually using it"
This reverts commit 74def747bcd09692bdbf8c6a15350795b0f11ca8.
The change to the helper function is only correct for the /proc/irq/
readout usage, but breaks the existing x86 usage of that function.
Reported-by: Yanko Kaneti <yaneti@xxxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
---
include/linux/irq.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b99a784..d4728bf 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -783,10 +783,7 @@ static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
static inline
struct cpumask *irq_data_get_effective_affinity_mask(struct irq_data *d)
{
- if (!cpumask_empty(d->common->effective_affinity))
- return d->common->effective_affinity;
-
- return d->common->affinity;
+ return d->common->effective_affinity;
}
static inline void irq_data_update_effective_affinity(struct irq_data *d,
const struct cpumask *m)
--
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