Messages in this thread | | | Date | Wed, 21 Jun 2017 13:54:39 -0400 | From | Tejun Heo <> | Subject | Re: [PATCH 1/1] percpu: fix early calls for spinlock in pcpu_stats |
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On Wed, Jun 21, 2017 at 01:52:46PM -0400, Dennis Zhou wrote: > From 2c06e795162cb306c9707ec51d3e1deadb37f573 Mon Sep 17 00:00:00 2001 > From: Dennis Zhou <dennisz@fb.com> > Date: Wed, 21 Jun 2017 10:17:09 -0700 > > Commit 30a5b5367ef9 ("percpu: expose statistics about percpu memory via > debugfs") introduces percpu memory statistics. pcpu_stats_chunk_alloc > takes the spin lock and disables/enables irqs on creation of a chunk. Irqs > are not enabled when the first chunk is initialized and thus kernels are > failing to boot with kernel debugging enabled. Fixed by changing _irq to > _irqsave and _irqrestore. > > Fixes: 30a5b5367ef9 ("percpu: expose statistics about percpu memory via debugfs") > Signed-off-by: Dennis Zhou <dennisz@fb.com> > Reported-by: Alexander Levin <alexander.levin@verizon.com>
Applied to percpu/for-4.13.
Thanks.
-- tejun
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