[manjaro-dev] [linux41] regression with 'x86/cacheinfo: Move cacheinfo sysfs code to generic infrastructure' on AMD i686
bp at alien8.de
Thu Sep 17 09:15:04 CEST 2015
On Wed, Sep 16, 2015 at 07:52:47PM -0400, Josh Boyer wrote:
> On Sun, Jul 26, 2015 at 10:42 AM, Borislav Petkov <bp at alien8.de> wrote:
> > On Sun, Jul 26, 2015 at 12:54:55PM +0200, Philip Müller wrote:
> >> I can confirm your patch working. However, it might be good to use yours
> >> and Thomas' in combination to solve this properly.
> > Please do not top-post.
> > We could use Thomas' too although from looking at it,
> > detect_cache_attributes() allocates a per-CPU per_cpu_cacheinfo thing
> > for each CPU. By the time we hit cache_shared_cpu_map_remove() in
> > free_cache_attributes(), those per_cpu_cacheinfo(cpu) things are still
> > allocated. We kfree them in the next step only.
> > But I like the moving of the check from the CPU hotplug callback to
> > free_cache_attributes().
> > So I'll merge the two patches and write up a proper commit message,
> > unless someone objects.
> > I'll add your Tested-by too.
> Did this actually happen? I don't see either fix in Linus' tree yet,
> the merge window is closed, and the bug happens on 4.1 and 4.2 stable
Greg wanted to pick it up...
Greg, what's up?
ECO tip #101: Trim your mails when you reply.
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