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authorDietmar Eggemann <dietmar.eggemann@arm.com>2014-01-16 19:44:10 +0000
committerJon Medhurst <tixy@linaro.org>2014-01-22 09:50:45 +0000
commit1d462599bee9a2f5f3988aafa43feda602d5e188 (patch)
tree865e7bce80b902347b4472932d53cc21aa4245cb /kernel/sched/core.c
parentb2fafaba35f490947b78e8d0d4f4264a137e64cd (diff)
downloadlinaro-lsk-1d462599bee9a2f5f3988aafa43feda602d5e188.tar.gz
HMP: Restrict irq_default_affinity to hmp_slow_cpu_mask
This patch limits the default affinity mask for all irqs to the cluster of the little cpus. This patch has the positive side effect that an irq thread which has its IRQTF_RUNTHREAD set inside irq_thread() -> irq_wait_for_interrupt() will not overwrite its struct task_struct->cpus_allowed with a full cpu mask of desc->irq_data.affinity in irq_thread_check_affinity() essentially reverting patch "HMP: experimental: Force all rt tasks to start on little domain." for this irq thread. Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Jon Medhurst <tixy@linaro.org>
Diffstat (limited to 'kernel/sched/core.c')
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