From: John Hubbard <jhubbard@nvidia.com>
To: Axel Rasmussen <axelrasmussen@google.com>,
David Hildenbrand <david@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH] x86/fault: speed up uffd-unit-test by 10x: rate-limit "MCE: Killing" logs
Date: Tue, 7 May 2024 11:10:54 -0700 [thread overview]
Message-ID: <cf7eaed2-6331-45cc-a66e-76abb5448afe@nvidia.com> (raw)
In-Reply-To: <CAJHvVcgYsZJ3Hm1Hpc1pifH49uVniAedL-YxUpS8q7=Y8veZ5g@mail.gmail.com>
On 5/7/24 11:08 AM, Axel Rasmussen wrote:
> On Tue, May 7, 2024 at 9:43 AM David Hildenbrand <david@redhat.com> wrote:
...
>>> That thread seems to have stalled.
>>
>> Yes, there was no follow-up.
>
> Apologies, I had completely forgotten about this. I blame the weekend. :)
>
> No objections from me to the simple rate limiting proposed here, if
> useful you can take:
>
> Acked-by: Axel Rasmussen <axelrasmussen@google.com>
>
> But, it seems to me the earlier proposal may still be useful.
> Specifically, don't print at all for "synthetic" poisons from
> UFFDIO_POISON or similar mechanisms. This way, "real" errors aren't
> gobbled up by the ratelimit due to spam from "synthetic" errors. If
> folks agree, I can *actually* send a patch this time. :)
>
That sounds good to me. (Should it also rate limit, though? I'm leaning
toward yes.)
thanks,
--
John Hubbard
NVIDIA
next prev parent reply other threads:[~2024-05-07 18:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-07 2:29 John Hubbard
2024-05-07 8:13 ` David Hildenbrand
2024-05-07 16:28 ` John Hubbard
2024-05-07 16:43 ` David Hildenbrand
2024-05-07 16:53 ` John Hubbard
2024-05-07 16:55 ` David Hildenbrand
2024-05-07 18:08 ` Axel Rasmussen
2024-05-07 18:10 ` John Hubbard [this message]
2024-05-07 18:15 ` Axel Rasmussen
2024-05-07 22:49 ` John Hubbard
2024-05-07 19:26 ` Borislav Petkov
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