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@xxxxxx> > 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@xxxxxx> > Reported-by: Alexander Levin <alexander.levin@xxxxxxxxxxx> Applied to percpu/for-4.13. Thanks. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>