Commit-ID: b6e5d5b947527558afac4aa0cdfa2ac586332e03 Gitweb: http://git.kernel.org/tip/b6e5d5b947527558afac4aa0cdfa2ac586332e03 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Wed, 16 Nov 2016 18:36:44 +0100 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Wed, 16 Nov 2016 18:44:01 +0100 genirq/affinity: Use default affinity mask for reserved vectors The reserved vectors at the beginning and the end of the vector space get cpu_possible_mask assigned as their affinity mask. All other non-auto affine interrupts get the default irq affinity mask assigned. Using cpu_possible_mask breaks that rule. Treat them like any other interrupt and use irq_default_affinity as target mask. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> --- kernel/irq/affinity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index 49eb38d..9be9bda 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -75,7 +75,7 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) /* Fill out vectors at the beginning that don't need affinity */ for (curvec = 0; curvec < affd->pre_vectors; curvec++) - cpumask_copy(masks + curvec, cpu_possible_mask); + cpumask_copy(masks + curvec, irq_default_affinity); /* Stabilize the cpumasks */ get_online_cpus(); @@ -130,7 +130,7 @@ done: /* Fill out vectors at the end that don't need affinity */ for (; curvec < nvecs; curvec++) - cpumask_copy(masks + curvec, cpu_possible_mask); + cpumask_copy(masks + curvec, irq_default_affinity); out: free_cpumask_var(nmsk); return masks; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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