linux-kernel - Re: Bug report: kernel paniced when system hibernates

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Message-ID: <20230524-rocker-uphill-0cfdab27a3f4@spud>
Date:   Wed, 24 May 2023 16:59:28 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Alexandre Ghiti <alexghiti@...osinc.com>
Cc:     Anup Patel <apatel@...tanamicro.com>,
        Alexandre Ghiti <alex@...ti.fr>,
        Anup Patel <anup@...infault.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Song Shuai <suagrfillet@...il.com>, robh@...nel.org,
        Andrew Jones <ajones@...tanamicro.com>, palmer@...osinc.com,
        jeeheng.sia@...rfivetech.com, leyfoon.tan@...rfivetech.com,
        mason.huo@...rfivetech.com,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Guo Ren <guoren@...nel.org>, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Sunil V L <sunilvl@...tanamicro.com>
Subject: Re: Bug report: kernel paniced when system hibernates

On Wed, May 24, 2023 at 03:57:20PM +0200, Alexandre Ghiti wrote:
> The reserved memory regions are *currently* not specified to be no-map
> and that since v0.8: the culprit is commit 6966ad0abe70
> ("platform/lib: Allow the OS to map the regions that are protected by
> PMP").
> 
> So to make sure we are on the same page:
> 
> - from 0.1 to 0.7 => reserved memory regions were marked as no-map
> - starting from 0.8 => reserved memory regions are *not* marked as
> no-map anymore
> 
> Hope that's clear!

Yes it was helpful - thanks.

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