From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Dave Jones <davej@redhat.com>,
Alan Hourihane <alanh@fairlite.demon.co.uk>
Subject: Re: [PATCH] AGP performance fixes
Date: Thu, 10 Nov 2005 10:29:15 +1100 [thread overview]
Message-ID: <1131578955.24637.116.camel@gaston> (raw)
In-Reply-To: <200511092002.jA9K25J8025643@hera.kernel.org>
On Wed, 2005-11-09 at 12:02 -0800, Linux Kernel Mailing List wrote:
> tree 048db8e12c2b31ec2b88c3154da4c6a77b80028c
> parent 329f7dba5f7dc3bc9a30ad00cf373d2e83115aa1
> author Alan Hourihane <alanh@fairlite.demon.co.uk> Mon, 07 Nov 2005 15:35:34 -0800
> committer Dave Jones <davej@redhat.com> Wed, 09 Nov 2005 05:43:54 -0800
>
> [PATCH] AGP performance fixes
>
> AGP allocation/deallocation is suffering major performance issues due to
> the nature of global_flush_tlb() being called on every change_page_attr()
> call.
.../...
*** Warning: ".global_flush_tlb" [drivers/char/agp/agpgart.ko] undefined!
Am I supposed to define something new for uninorth-agp ? Is this yet another
x86-only (or worse, some x86 chipsets only concept going global ?
Ben.
next parent reply other threads:[~2005-11-09 23:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200511092002.jA9K25J8025643@hera.kernel.org>
2005-11-09 23:29 ` Benjamin Herrenschmidt [this message]
2005-11-09 23:44 ` Alan Hourihane
2005-11-09 23:53 ` Benjamin Herrenschmidt
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