linux-kernel - Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE Records pool

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Message-ID: <20240212220833.GQZcqW4WxKH34i-oBR@fat_crate.local>
Date: Mon, 12 Feb 2024 23:08:33 +0100
From: Borislav Petkov <bp@...en8.de>
To: Tony Luck <tony.luck@...el.com>
Cc: "Naik, Avadhut" <avadnaik@....com>,
	"Mehta, Sohil" <sohil.mehta@...el.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"yazen.ghannam@....com" <yazen.ghannam@....com>,
	Avadhut Naik <avadhut.naik@....com>
Subject: Re: [PATCH 2/2] x86/MCE: Add command line option to extend MCE
 Records pool

On Mon, Feb 12, 2024 at 01:37:09PM -0800, Tony Luck wrote:
> This made me question the "we don't have an allocator in
> mce_gen_pool_init()". Because if we got through all the
> ACPI stuff, we surely have an allocator.
> 
> Below patch doesn't explode at runtime.

Yap, I see it.

And I can't dig out why it didn't use to work and we had to do it this
way. The earliest thing I found is:

https://lore.kernel.org/all/1432150538-3120-2-git-send-email-gong.chen@linux.intel.com/T/#mf673ed669ee0d4c27b75bd48450c13c01cbb2cbf

I'll have to dig into my archives tomorrow, on a clear head...

Thx.

-- 
Regards/Gruss,
    Boris.

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