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

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Message-ID: <20260114135244.GBaWefrBAUkp0e4RAT@fat_crate.local>
Date: Wed, 14 Jan 2026 14:52:44 +0100
From: Borislav Petkov <bp@...en8.de>
To: Nikolay Borisov <nik.borisov@...e.com>
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: [PATCH] x86/mce: Fix timer interval adjustment after logging a
 MCE event

On Wed, Jan 14, 2026 at 08:17:50AM +0200, Nikolay Borisov wrote:
> so now mce_notify_irq() is not being called from the early notifier, i.e the
> callchain mc_poll_banks -> machine_check_poll -> mce_log no longer call
> mce_notify_irq() in the early notifier chain.

... which was the result of us moving this back'n'forth and refactoring it as
part of normal development. The thing is, that notification mechanism is
perhaps not needed there anymore, in favor of simply querying the gen pool.

But we'll see - needs more staring and injection.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette