linux-kernel - Re: 答复: 答复: 答复: [外部邮件] Re: [PATCH] x86/mce: Fix timer interval adjustment after logging a MCE event

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Message-ID: <6feff2b3-6088-412c-b0c6-1d32aa5a9d50@suse.com>
Date: Tue, 13 Jan 2026 21:25:19 +0200
From: Nikolay Borisov <nik.borisov@...e.com>
To: Borislav Petkov <bp@...en8.de>
Cc: "Luck, Tony" <tony.luck@...el.com>, "Li, Rongqing"
 <lirongqing@...du.com>, Thomas Gleixner <tglx@...nel.org>,
 Ingo Molnar <mingo@...hat.com>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "x86@...nel.org" <x86@...nel.org>, "H . Peter Anvin" <hpa@...or.com>,
 Yazen Ghannam <yazen.ghannam@....com>, "Zhuo, Qiuxu" <qiuxu.zhuo@...el.com>,
 Avadhut Naik <avadhut.naik@....com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>
Subject: Re: 答复: 答复: 答复: [外部邮件] Re: [PATCH] x86/mce: Fix timer interval adjustment after logging a MCE event

On 13.01.26 г. 21:13 ч., Borislav Petkov wrote:
> On Tue, Jan 13, 2026 at 08:55:08PM +0200, Nikolay Borisov wrote:
>> tomorrow) I will send a patch that simply eliminates mce_notify_irq's call
>> in mce_timer_fn. I.e that function should be called only from the early
>> notifier.
> 
> You still need to know whether to halve the timeout or not. And that's that
> mce_need_notify thing. And that gets called in the early notifier so it should
> work.
> 
> However, it would be good to be able to bisect this and find a minimal fix to
> backport...
> 

mce_need_notify even now works just in the early notifier because it's 
set in mce_early_notifier() and subsequently reset in mce_notify_irq() 
which is called immediately after the set.