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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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

Download attachment "OpenPGP_0xB0DE9DD628BF132F.asc" of type "application/pgp-keys" (3092 bytes)

Download attachment "OpenPGP_signature" of type "application/pgp-signature" (496 bytes)