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From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH] x86/CPU: don't hard-code MTRR availability
Date: Thu, 27 Mar 2025 11:55:06 +0100	[thread overview]
Message-ID: <Z-Uuin-9Mo1Wnln5@macbook.local> (raw)
In-Reply-To: <edecdda9-4728-4c65-9f31-76c912a433d7@suse.com>

On Tue, Mar 25, 2025 at 08:18:11AM +0100, Jan Beulich wrote:
> In particular if we're running virtualized, the underlying hypervisor
> (which may be another Xen) may not surface MTRRs, and offer PAT only.
> 
> Fixes: 5a281883cdc3 ("Hardcode many cpu features for x86/64 -- we know 64-bit")
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Acked-by: Roger Pau Monné <roger.pau@citrix.com>

Thanks, Roger.


      parent reply	other threads:[~2025-03-27 10:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-25  7:18 [PATCH] x86/CPU: don't hard-code MTRR availability Jan Beulich
2025-03-27  8:21 ` Roger Pau Monné
2025-03-27  9:15   ` Jan Beulich
2025-03-27  9:30     ` Jan Beulich
2025-03-27  9:50     ` Roger Pau Monné
2025-03-27  9:59       ` Jan Beulich
2025-03-27 10:54         ` Roger Pau Monné
2025-03-27 10:55 ` Roger Pau Monné [this message]

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