linux-kernel - Re: [PATCH v17 00/15] arm64: MMU enabled kexec relocation

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Message-ID: <CA+CK2bBJqxq9Kwei-na_mgObMe0WF=im00YtPe10sp3g2+c79Q@mail.gmail.com>
Date:   Thu, 30 Sep 2021 00:13:47 -0400
From:   Pasha Tatashin <pasha.tatashin@...een.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     James Morris <jmorris@...ei.org>, Sasha Levin <sashal@...nel.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        kexec mailing list <kexec@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Will Deacon <will@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-mm <linux-mm@...ck.org>,
        Mark Rutland <mark.rutland@....com>, steve.capper@....com,
        rfontana@...hat.com, Thomas Gleixner <tglx@...utronix.de>,
        Selin Dag <selindag@...il.com>,
        Tyler Hicks <tyhicks@...ux.microsoft.com>,
        Pingfan Liu <kernelfans@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        madvenka@...ux.microsoft.com
Subject: Re: [PATCH v17 00/15] arm64: MMU enabled kexec relocation

> FWIW, I'm fine with this series. I think the only concern raised by
> James and not addressed is the possibility of the failure of the memory
> allocation for copying the page tables during kexec. If anyone will
> complain in the future, we can look into adding a fallback mechanism to
> do the relocation with the MMU off.
>
> Acked-by: Catalin Marinas <catalin.marinas@....com>

Thank you.

Pasha