linux-kernel - Re: [PATCH 0/1] arch/fault: don't print logs for simulated poison errors

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Date: Thu, 9 May 2024 14:08:24 -0700
From: John Hubbard <jhubbard@...dia.com>
To: Axel Rasmussen <axelrasmussen@...gle.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Andy Lutomirski
 <luto@...nel.org>, "Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
 Borislav Petkov <bp@...en8.de>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 David Hildenbrand <david@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
 Helge Deller <deller@....de>, Ingo Molnar <mingo@...hat.com>,
 "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
 Liu Shixin <liushixin2@...wei.com>,
 "Matthew Wilcox (Oracle)" <willy@...radead.org>,
 Michael Ellerman <mpe@...erman.id.au>, Muchun Song <muchun.song@...ux.dev>,
 "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
 Nicholas Piggin <npiggin@...il.com>, Oscar Salvador <osalvador@...e.de>,
 Peter Xu <peterx@...hat.com>, Peter Zijlstra <peterz@...radead.org>,
 Suren Baghdasaryan <surenb@...gle.com>, Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH 0/1] arch/fault: don't print logs for simulated poison
 errors

On 5/9/24 1:39 PM, Axel Rasmussen wrote:
> This patch expects to be applied on top of both of the following related
> fixes:
> 
> - x86/fault: speed up uffd-unit-test by 10x: rate-limit "MCE: Killing" logs
>    https://lore.kernel.org/r/20240507022939.236896-1-jhubbard@nvidia.com

This got mostly effectively nacked. I disagree with that but do not
intend to "appeal". :)

> - [0/2] Minor fixups for hugetlb fault path
>    https://lore.kernel.org/r/20240509100148.22384-1-osalvador@suse.de
> 
> The latter is in mm-unstable currently, but the former is not (yet?). It
> would need to be taken before this patch for it to apply cleanly.
> 
> Axel Rasmussen (1):
>    arch/fault: don't print logs for simulated poison errors
> 
>   arch/parisc/mm/fault.c   | 7 +++++--
>   arch/powerpc/mm/fault.c  | 6 ++++--
>   arch/x86/mm/fault.c      | 6 ++++--
>   include/linux/mm_types.h | 5 +++++
>   mm/hugetlb.c             | 3 ++-
>   mm/memory.c              | 2 +-
>   6 files changed, 21 insertions(+), 8 deletions(-)
> 
> --
> 2.45.0.118.g7fe29c98d7-goog
> 

thanks,
-- 
John Hubbard
NVIDIA