Messages in this thread | | | Date | Tue, 7 Apr 2015 13:05:31 +0200 | From | Ingo Molnar <> | Subject | Re: Hang on large copy_from_user with PREEMPT_NONE |
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* Borislav Petkov <bp@alien8.de> wrote:
> On Tue, Apr 07, 2015 at 11:31:45AM +0200, Ingo Molnar wrote: > > Would be nice to see the actual kernel .config, as there's a few > > debug features that can slow things down significantly, such as > > CONFIG_KMEMCHECK=y or in some cases CONFIG_DEBUG_PAGEALLOC=y. > > He sent it here: https://lkml.kernel.org/r/55229D7E.6080309@oracle.com > > I'm attaching it again.
Thanks. Nothing particularly expensive stands out to me at a quick glance:-/
Thanks,
Ingo
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