linux-kernel - Re: [patch 0/2] x2apic optimization, round 4

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 linux-cve-announce 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]

Message-ID: <BANLkTimpk3Ye=HvCohTbKT7Jzedo_V07Yg@mail.gmail.com>
Date:	Sun, 1 May 2011 21:11:35 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Avi Kivity <avi@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch 0/2] x2apic optimization, round 4

On Sun, May 1, 2011 at 8:46 PM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Avi Kivity <avi@...hat.com> wrote:
>
>> On 04/30/2011 08:14 PM, Cyrill Gorcunov wrote:
>> >   Hi Ingo, here is an updated series of two patches for
>> >x2apic cluster mode ipi optimization. Please take a
>> >look.
>> >
>> >   The only concern which was unresolved is a messy bit
>> >in default_setup_apic_routing(), so we've added a FIXME
>> >there and clean it up as only time permits. Actually I
>> >have a plan to merge probe_32/64.c into single file (and
>> >even started working on this task) but not yes succeed.
>> >
>> >   Anyway I think patches should be in a good shape now and
>> >probably we could merge them to not lose?
>> >
>> >   Comments are welcome.
>>
>> Very nice!  This will also significantly speed up kvm guests using x2apic.
>
> Ok. It would be nice to know on what systems these patches were tested, i.e. i
> suppose x2apic-enabled ones?
>
> Thanks,
>
>        Ingo
>

Suresh has tested them on Westmere-Ex system, I personally don't have
such machine.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/