linux-kernel - Re: [PATCH 0/4] x86/mm/cpa: Fix cpa-array TLB invalidation

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Message-ID: <8ee4e546-4680-e463-23ac-64489a60b946@amd.com>
Date:   Fri, 30 Nov 2018 16:19:46 +0000
From:   "StDenis, Tom" <Tom.StDenis@....com>
To:     Peter Zijlstra <peterz@...radead.org>,
        "Koenig, Christian" <Christian.Koenig@....com>
CC:     "dave.hansen@...el.com" <dave.hansen@...el.com>,
        "luto@...nel.org" <luto@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Deucher, Alexander" <Alexander.Deucher@....com>
Subject: Re: [PATCH 0/4] x86/mm/cpa: Fix cpa-array TLB invalidation

On 2018-11-30 10:31 a.m., Peter Zijlstra wrote:
> On Fri, Nov 30, 2018 at 04:23:47PM +0100, Peter Zijlstra wrote:
> 
>> Hurm.. no. They apply cleanly to Linus' tree here.
>>
>> linux-2.6$ git describe
>> v4.20-rc4-156-g94f371cb7394
>> linux-2.6$ quilt push 4
>> Applying patch patches/peterz-cpa-addr.patch
>> patching file arch/x86/mm/pageattr.c
>> Applying patch patches/peterz-cpa-fix-flush_array.patch
>> patching file arch/x86/mm/mm_internal.h
>> patching file arch/x86/mm/pageattr.c
>> patching file arch/x86/mm/tlb.c
>> Applying patch patches/peterz-cpa-fold-cpa_flush.patch
>> patching file arch/x86/mm/pageattr.c
>> Applying patch patches/peterz-cpa-clflush_opt.patch
>> patching file arch/x86/mm/pageattr.c
>> Now at patch patches/peterz-cpa-clflush_opt.patch
>>
>> Weird.
> 
> I pushed them out to:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/mm
> 
> I hope that works; I'm out for a few hours, but should check on email
> again tonight.
> 

NAK I get a failure in TTM on init with your x86/mm branch (see attached 
dmesg).

This builds an RC2 kernel btw whereas we were building an RC3 kernel 
which is about 974 commits behind the tip of our drm-next and about 850 
commits behind the last drm-next merge from Dave.

Tom

View attachment "carrizo_dmesg.log" of type "text/x-log" (68155 bytes)