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

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Message-ID: <aa634c0c-d949-de8f-c1a3-668b83271c14@suse.com>
Date:   Thu, 23 Sep 2021 06:45:52 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.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 22.09.21 23:49, Boris Ostrovsky wrote:
> 
> 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?

Oh, sorry, that's a leftover from a previous version.

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

Yes.


Juergen

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