linux-kernel - Re: [PATCH] xen/x2apic: enable x2apic mode when supported for HVM

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Message-ID: <533df35d-fc61-e196-f01f-01da5294440f@oracle.com>
Date:   Fri, 21 Jan 2022 15:30:07 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Roger Pau Monne <roger.pau@...rix.com>,
        linux-kernel@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH] xen/x2apic: enable x2apic mode when supported for HVM


On 1/21/22 4:01 AM, Roger Pau Monne wrote:
> There's no point in disabling x2APIC mode when running as a Xen HVM
> guest, just enable it when available.
>
> Remove some unneeded wrapping around the detection functions, and
> simply provide a xen_x2apic_available helper that's a wrapper around
> x2apic_supported.
>
> Signed-off-by: Roger Pau Monné <roger.pau@...rix.com>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>