linux-kernel - Re: [PATCH v3] x86/xen: Add support for HVMOP_set_evtchn_upcall

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Date:   Thu, 28 Jul 2022 19:09:56 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Jane Malalane <jane.malalane@...rix.com>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Juergen Gross <jgross@...e.com>,
        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>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Jan Beulich <jbeulich@...e.com>,
        Maximilian Heyne <mheyne@...zon.de>,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v3] x86/xen: Add support for
 HVMOP_set_evtchn_upcall_vector


On 7/28/22 8:52 AM, Jane Malalane wrote:
>   
> +/*
> + * Setup per-vCPU vector-type callbacks and trick toolstack to think


The comment should be adjusted -- no need to mention toolstack now that that code has been factored out.


Other than that


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


> + * we are enlightened. If this setup is unavailable, fallback to the
> + * global vector-type callback.
> + */
> +static __init void xen_init_setup_upcall_vector(void)
> +{
>