On Wed, Dec 03, 2014 at 12:06:56PM -0800, Andy Lutomirski wrote:
> >> Did something in RCU change recently ?
> >
> > Not since -rc1, as far as I know, anyway.
>
> I have patches to delete this whole fscking sysret fast but not really
> fast path. I'll resend them for 3.19. In the mean time, can you test
> this patch by itself:
>
> https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/entry&id=1072a16a8d4ad1b11b8062f76e3236b9771b0fb6
With that applied, I no longer see the trace.
thanks,
Dave
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