linux-kernel - Re: [PATCH] x86/MCE/AMD: Decrement threshold_bank refcount when removing threshold blocks

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Message-ID: <e6b6f874-bde5-75f2-eb40-2b31097c6f8c@o2.pl>
Date:   Sat, 13 Aug 2022 14:04:05 +0200
From:   Mateusz Jończyk <mat.jonczyk@...pl>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Yazen Ghannam <yazen.ghannam@....com>, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org, tony.luck@...el.com, x86@...nel.org,
        Smita.KoralahalliChannabasappa@....com, mpatocka@...hat.com,
        gregkh@...uxfoundation.org
Subject: Re: [PATCH] x86/MCE/AMD: Decrement threshold_bank refcount when
 removing threshold blocks

W dniu 13.08.2022 o 12:09, Borislav Petkov pisze:
> On Fri, Aug 12, 2022 at 11:14:44PM +0200, Mateusz Jończyk wrote:
>> After these changes, the __threshold_remove_blocks() function looks
>> very similar to deallocate_threshold_blocks() function just above it.
> Yes, minus the list_del(&pos->miscj); But that can be made conditional
> with a bool arg to deallocate_threshold_blocks() and then remove
> __threshold_remove_blocks().
>
> Care to take Yazen's patch, fix it up, test it thoroughly (you should
> enable KASAN to catch any potential memory leaks) and send it?
>
> Thx.
>
I'll try, but I don't understand the code well yet, and have access to only one
old computer with an AMD CPU.

Greetings,

Mateusz,