linux-kernel - Re: [PATCH] Only allow to set crash_kexec_post

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Date:   Tue, 22 Sep 2020 10:50:34 -0400
From:   boris.ostrovsky@...cle.com
To:     Philipp Rudo <prudo@...ux.ibm.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, bhe@...hat.com,
        kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Eric Biederman <ebiederm@...ssion.com>,
        Eric DeVolder <eric.devolder@...cle.com>,
        Dave Young <dyoung@...hat.com>
Subject: Re: [PATCH] Only allow to set crash_kexec_post_notifiers on boot time


On 9/22/20 6:58 AM, Philipp Rudo wrote:
>
> AFAIK pstore requires UEFI to work. So what's the point to enable it on non-UEFI
> systems?


I don't think UEFI is required, ERST can specify its own backend. And that, in fact, can be quite useful in virtualization scenarios (especially in cases of direct boot, when there is no OVMF)


-boris