From: "Naik, Avadhut" <avadnaik@amd.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Sohil Mehta <sohil.mehta@intel.com>,
x86@kernel.org, linux-edac@vger.kernel.org, tony.luck@intel.com,
linux-kernel@vger.kernel.org, yazen.ghannam@amd.com,
Avadhut Naik <avadhut.naik@amd.com>
Subject: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool
Date: Thu, 15 Feb 2024 14:15:58 -0600 [thread overview]
Message-ID: <e3814f2c-0aa1-48e7-8122-e2c5154a3f0c@amd.com> (raw)
In-Reply-To: <20240212093246.GBZcnlvkPKDC8C7rv5@fat_crate.local>
On 2/12/2024 03:32, Borislav Petkov wrote:
> On Mon, Feb 12, 2024 at 09:58:01AM +0100, Borislav Petkov wrote:
>> * Can you think of a slick deduplication scheme instead of blindly
>> raising the buffer size?
>
> And here's the simplest scheme: you don't extend the buffer. On
> overflow, you say "Buffer full, here's the MCE" and you dump the error
> long into dmesg. Problem solved.
>
Wouldn't this require logging in the #MC context?
We would know that the genpool is full in mce_gen_pool_add() which, I
think is executed in #MC context.
> A slicker deduplication scheme would be even better, tho. Maybe struct
> mce.count which gets incremented instead of adding the error record to
> the buffer again. And so on...
>
--
Thanks,
Avadhut Naik
next prev parent reply other threads:[~2024-02-15 20:16 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-07 22:56 [PATCH 0/2] Extend size of the MCE Records pool Avadhut Naik
2024-02-07 22:56 ` [PATCH 1/2] x86/MCE: " Avadhut Naik
2024-02-08 0:02 ` Luck, Tony
2024-02-08 17:41 ` Naik, Avadhut
2024-02-08 17:47 ` Naik, Avadhut
2024-02-08 18:39 ` Luck, Tony
2024-02-09 19:47 ` Naik, Avadhut
2024-02-08 21:09 ` Sohil Mehta
2024-02-09 19:52 ` Naik, Avadhut
2024-02-07 22:56 ` [PATCH 2/2] x86/MCE: Add command line option to extend " Avadhut Naik
2024-02-09 1:36 ` Sohil Mehta
2024-02-09 20:02 ` Naik, Avadhut
2024-02-09 20:09 ` Borislav Petkov
2024-02-09 20:35 ` Naik, Avadhut
2024-02-09 20:51 ` Borislav Petkov
2024-02-10 7:52 ` Borislav Petkov
2024-02-10 21:15 ` Naik, Avadhut
2024-02-11 11:14 ` Borislav Petkov
2024-02-12 2:54 ` Naik, Avadhut
2024-02-12 8:58 ` Borislav Petkov
2024-02-12 9:32 ` Borislav Petkov
2024-02-12 17:29 ` Luck, Tony
2024-02-12 17:54 ` Borislav Petkov
2024-02-12 18:45 ` Luck, Tony
2024-02-12 19:14 ` Borislav Petkov
2024-02-12 19:41 ` Luck, Tony
2024-02-12 21:37 ` Tony Luck
2024-02-12 22:08 ` Borislav Petkov
2024-02-12 22:19 ` Borislav Petkov
2024-02-12 22:42 ` Borislav Petkov
2024-02-28 23:14 ` [PATCH] x86/mce: Dynamically size space for machine check records Tony Luck
2024-02-29 0:39 ` Sohil Mehta
2024-02-29 0:44 ` Luck, Tony
2024-02-29 1:56 ` Sohil Mehta
2024-02-29 15:49 ` Yazen Ghannam
2024-02-29 17:22 ` Tony Luck
2024-02-29 17:21 ` Tony Luck
2024-02-29 23:56 ` Sohil Mehta
2024-02-29 6:42 ` Naik, Avadhut
2024-02-29 8:39 ` Borislav Petkov
2024-02-29 17:47 ` Tony Luck
2024-02-29 18:28 ` Naik, Avadhut
2024-02-29 18:38 ` Luck, Tony
2024-02-29 17:26 ` Tony Luck
2024-03-06 21:52 ` Naik, Avadhut
2024-03-06 22:07 ` Luck, Tony
2024-03-06 23:21 ` Naik, Avadhut
2024-02-15 20:18 ` [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool Naik, Avadhut
2024-02-15 20:15 ` Naik, Avadhut [this message]
2024-02-15 20:14 ` Naik, Avadhut
2024-02-12 18:47 ` Yazen Ghannam
2024-02-12 18:58 ` Luck, Tony
2024-02-12 19:40 ` Naik, Avadhut
2024-02-12 20:18 ` Borislav Petkov
2024-02-12 20:51 ` Naik, Avadhut
2024-02-12 19:43 ` Yazen Ghannam
2024-02-12 19:49 ` Luck, Tony
2024-02-12 20:10 ` Borislav Petkov
2024-02-12 20:44 ` Paul E. McKenney
2024-02-12 21:18 ` Luck, Tony
2024-02-12 21:27 ` Borislav Petkov
2024-02-12 22:46 ` Paul E. McKenney
2024-02-12 22:53 ` Luck, Tony
2024-02-12 23:10 ` Borislav Petkov
2024-02-13 1:07 ` Paul E. McKenney
2024-02-09 20:16 ` Sohil Mehta
2024-02-09 20:28 ` Luck, Tony
2024-02-09 21:02 ` Sohil Mehta
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