linux-kernel - Re: [PATCH v2 2/2] x86/xen: switch initial pvops IRQ functions to dummy ones

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Message-ID: <429cdc9b-b9f1-5393-8baf-cdd2046cd65a@oracle.com>
Date:   Wed, 22 Sep 2021 17:49:32 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        x86@...nel.org, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Cc:     peterz@...radead.org, Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH v2 2/2] x86/xen: switch initial pvops IRQ functions to
 dummy ones


On 9/22/21 6:31 AM, Juergen Gross wrote:
> The initial pvops functions handling irq flags will only ever be called
> before interrupts are being enabled.
>
> So make the __init and switch them to be dummy functions:


What are you making __init?


>  
> +/* stub always return ing 0. */


"always returning"


-boris