From: Mike Fedyk <mfedyk@matchmail.com>
To: "Nakajima, Jun" <jun.nakajima@intel.com>
Cc: Andrew Morton <akpm@osdl.org>, Jamie Lokier <jamie@shareable.org>,
davej@redhat.com, torvalds@osdl.org,
linux-kernel@vger.kernel.org, richard.brunner@amd.com
Subject: Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch
Date: Tue, 30 Sep 2003 19:08:45 -0700 [thread overview]
Message-ID: <20031001020845.GA13051@matchmail.com> (raw)
In-Reply-To: <7F740D512C7C1046AB53446D3720017304AFCD@scsmsx402.sc.intel.com>
On Tue, Sep 30, 2003 at 06:54:06PM -0700, Nakajima, Jun wrote:
> > I think we should fix up userspace.
> What do you mean by this? Patch user code at runtime (it's much more
> complex than it sounds) or remove prefetch instructions from userspace?
No, just make sure that userspace doesn't see the exceptions that the errata
will produce in obscure cases. It is all explained in several threads about
this. Search for "Andi Kleen" and "prefetch".
next prev parent reply other threads:[~2003-10-01 2:08 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-01 1:54 [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch Nakajima, Jun
2003-10-01 2:07 ` Andrew Morton
2003-10-01 2:08 ` Mike Fedyk [this message]
[not found] <7F740D512C7C1046AB53446D3720017304AFCF@scsmsx402.sc.intel.com.suse.lists.linux.kernel>
[not found] ` <20031001053833.GB1131@mail.shareable.org.suse.lists.linux.kernel>
[not found] ` <20030930224853.15073447.akpm@osdl.org.suse.lists.linux.kernel>
[not found] ` <20031001061348.GE1131@mail.shareable.org.suse.lists.linux.kernel>
[not found] ` <20030930233258.37ed9f7f.akpm@osdl.org.suse.lists.linux.kernel>
2003-10-01 6:47 ` Andi Kleen
2003-10-01 7:00 ` Andrew Morton
2003-10-01 7:06 ` Andi Kleen
2003-10-01 7:31 ` Jamie Lokier
2003-10-01 7:41 ` Andi Kleen
2003-10-01 8:02 ` Hugh Dickins
2003-10-01 8:49 ` Andi Kleen
2003-10-01 9:33 ` Jamie Lokier
2003-10-01 14:51 ` Andrew Morton
2003-10-01 14:56 ` Andi Kleen
2003-10-01 15:19 ` Andrew Morton
2003-10-01 15:24 ` Andi Kleen
2003-10-01 16:18 ` Jamie Lokier
2003-10-01 7:20 ` Jamie Lokier
2003-10-01 7:39 ` Andi Kleen
2003-10-01 8:20 ` Jamie Lokier
[not found] ` <20031001065705.GI1131@mail.shareable.org.suse.lists.linux.kernel>
2003-10-01 7:15 ` Andi Kleen
2003-10-01 7:24 ` Andi Kleen
2003-10-01 7:55 ` Jamie Lokier
2003-10-01 8:00 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2003-10-01 4:30 Nakajima, Jun
2003-10-01 5:38 ` Jamie Lokier
2003-10-01 5:48 ` Andrew Morton
2003-10-01 6:13 ` Jamie Lokier
2003-10-01 6:32 ` Andrew Morton
2003-10-01 6:57 ` Jamie Lokier
2003-10-01 2:23 Nakajima, Jun
2003-10-01 2:51 ` Jamie Lokier
2003-10-01 3:14 ` Andrew Morton
[not found] <20030930073814.GA26649@mail.jlokier.co.uk.suse.lists.linux.kernel>
[not found] ` <20030930132211.GA23333@redhat.com.suse.lists.linux.kernel>
[not found] ` <20030930133936.GA28876@mail.shareable.org.suse.lists.linux.kernel>
[not found] ` <20030930135324.GC5507@redhat.com.suse.lists.linux.kernel>
[not found] ` <20030930144526.GC28876@mail.shareable.org.suse.lists.linux.kernel>
[not found] ` <20030930150825.GD5507@redhat.com.suse.lists.linux.kernel>
[not found] ` <20030930165450.GF28876@mail.shareable.org.suse.lists.linux.kernel>
[not found] ` <20030930172618.GE5507@redhat.com.suse.lists.linux.kernel>
2003-09-30 19:08 ` Andi Kleen
2003-09-30 20:08 ` H. Peter Anvin
2003-09-30 7:38 Jamie Lokier
2003-09-30 8:01 ` Nick Piggin
2003-09-30 13:22 ` Dave Jones
2003-09-30 13:39 ` Jamie Lokier
2003-09-30 13:53 ` Dave Jones
2003-09-30 14:45 ` Jamie Lokier
2003-09-30 15:08 ` Dave Jones
2003-09-30 16:54 ` Jamie Lokier
2003-09-30 17:26 ` Dave Jones
2003-09-30 23:55 ` Jamie Lokier
2003-10-01 0:27 ` Andrew Morton
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