linux-kernel - Re: Wake-up from suspend to RAM broken under `retbleed=stuff`

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Message-ID: <Y76ytk6GkMfeu9Ho@hirez.programming.kicks-ass.net>
Date:   Wed, 11 Jan 2023 13:59:34 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Juergen Gross <jgross@...e.com>
Cc:     Joan Bruguera <joanbrugueram@...il.com>,
        linux-kernel@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: Wake-up from suspend to RAM broken under `retbleed=stuff`

On Wed, Jan 11, 2023 at 12:52:41PM +0100, Juergen Gross wrote:
> I have verified that the suspend path when running as Xen PV guest
> is NOT calling restore_processor_state().

Oh excellent, that makes things a lot simpler, thanks!