Messages in this thread Patch in this message | | | Date | Mon, 24 Jun 2019 22:29:36 +0800 | From | Weiping Zhang <> | Subject | [PATCH v3 4/5] genirq/affinity: allow driver's discontigous affinity set |
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The driver may implement multiple affinity set, and some of are empty, for this case we just skip them.
Signed-off-by: Weiping Zhang <zhangweiping@didiglobal.com> --- kernel/irq/affinity.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index f18cd5aa33e8..6d964fe0fbd8 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -295,6 +295,10 @@ irq_create_affinity_masks(unsigned int nvecs, struct irq_affinity *affd) unsigned int this_vecs = affd->set_size[i]; int ret; + /* skip empty affinity set */ + if (this_vecs == 0) + continue; + ret = irq_build_affinity_masks(affd, curvec, this_vecs, curvec, masks); if (ret) { -- 2.14.1
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