Thanks Konrad. You are right, commit 98ad1cc14 missed the xen case.
And before merging, please modify the title a bit. one redundant
"xen/events" there.
"xen/events: xen/events: fix RCU warning" -> "xen/events: fix RCU warning"
>> Cc: sta...@kernel.org (at least to 3.0.y)
> ^^^- vge
On Tue, Nov 06, 2012 at 04:08:15PM +0800, Mojiong Qiu wrote:
> exit_idle() should be called after irq_enter(), otherwise it throws:
That seems odd - wouldn't "smp_x86_platform_ipi"
also need the same treatment [edit: I was looking at 3.0 kernel code] ?
Ah, this is caused by
commit 98ad1cc14a5c4f
exit_idle() should be called after irq_enter(), otherwise it throws:
[2.513020] [ INFO: suspicious RCU usage. ]
[2.513076] 3.6.5 #1 Not tainted
[2.513128] ---
[2.513183] include/linux/rcupdate.h:725 rcu_read_lock() used illegally
while idle!
[2.5132
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