From: "Reimar Döffinger" <Reimar.Doeffinger@gmx.de>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2] Build *-user targets as PIE
Date: Fri, 4 Sep 2009 09:51:43 +0200 [thread overview]
Message-ID: <20090904075143.GA3879@1und1.de> (raw)
In-Reply-To: <cc557aab0909032133q48081343ye195857132585228@mail.gmail.com>
On Fri, Sep 04, 2009 at 07:33:25AM +0300, Kirill A. Shutemov wrote:
> On Thu, Sep 3, 2009 at 8:17 PM, Reimar
> Döffinger<Reimar.Doeffinger@gmx.de> wrote:
> > It is close to getting of topic, but since you state it, why try so hard
> > to avoid text relocations?
> > Sure, there are advantages (the biggest one is less issues with
> > mis-/insufficiently configured selinux I think), possibly better sharing
> > of pages when many instances are run and better delayed loading, but on
> > x86/i386 that doesn't sound like a clear advantage compared to the in
> > some cases quite relevant speed loss.
>
> Do you have any numbers about speed loss?
No, I was getting a bit off-topic. At least with KVM I doubt there
is any relevant speed loss for qemu, though for MPlayer/FFmpeg (very different
situation) it could be about 10 % when I last did some tests.
next prev parent reply other threads:[~2009-09-04 8:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-02 15:21 [Qemu-devel] [PATCH 1/2] Do not link *-user target with libhw*.a Kirill A. Shutemov
2009-09-02 15:21 ` [Qemu-devel] [PATCH 2/2] Build *-user targets as PIE Kirill A. Shutemov
2009-09-02 14:24 ` [Qemu-devel] " Paolo Bonzini
2009-09-02 14:35 ` Kirill A. Shutemov
2009-09-02 15:46 ` [Qemu-devel] " Arnaud Patard
2009-09-02 15:52 ` Kirill A. Shutemov
2009-09-02 16:03 ` Arnaud Patard
2009-09-03 12:15 ` [Qemu-devel] [PATCH v2] " Kirill A. Shutemov
2009-09-03 12:00 ` Reimar Döffinger
2009-09-03 14:21 ` Kirill A. Shutemov
2009-09-03 14:38 ` Paul Brook
2009-09-03 14:52 ` [Qemu-devel] " Paolo Bonzini
2009-09-03 15:07 ` [Qemu-devel] " Kirill A. Shutemov
2009-09-03 17:17 ` Reimar Döffinger
2009-09-04 4:33 ` Kirill A. Shutemov
2009-09-04 7:51 ` Reimar Döffinger [this message]
2009-09-04 8:03 ` Kirill A. Shutemov
[not found] ` <m3ws4g9qqe.fsf@neno.mitica>
2009-09-03 12:51 ` [Qemu-devel] " Kirill A. Shutemov
2009-09-03 14:39 ` [Qemu-devel] " Paul Brook
2009-09-03 15:08 ` Kirill A. Shutemov
2009-09-02 18:54 ` [Qemu-devel] [PATCH 2/2] " Riku Voipio
[not found] ` <m3iqg1ckts.fsf@neno.mitica>
2009-09-02 18:59 ` [Qemu-devel] " Kirill A. Shutemov
-- strict thread matches above, loose matches on Subject: below --
2009-09-03 18:36 [Qemu-devel] [PATCH v2] " Kirill A. Shutemov
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