From: Andrew Morton <akpm@osdl.org>
To: Jamie Lokier <jamie@shareable.org>
Cc: 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 17:27:15 -0700 [thread overview]
Message-ID: <20030930172715.18acace9.akpm@osdl.org> (raw)
In-Reply-To: <20030930235528.GA32209@mail.shareable.org>
Jamie Lokier <jamie@shareable.org> wrote:
>
> What I'd really like your opinion on is the appropriate userspace
> behaviour. If we don't care about fixing up userspace, then
> __ex_table is a much tidier workaround for the prefetch bug.
I think we should fix up userspace.
> If we do
> care about fixing up userspace, then do we need a policy decision that
> says it's not acceptable to run on AMD without userspace fixups from
> 2.6.0 onwards - it must fixup userspace or refuse to run?
If you're saying that the kernel should refuse to boot if it discovers that
a) the CPU needs the workaround and b) the kernel does not implement the
workaround then yup.
next prev parent reply other threads:[~2003-10-01 0:27 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
[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
2003-10-01 1:54 Nakajima, Jun
2003-10-01 2:07 ` Andrew Morton
2003-10-01 2:08 ` Mike Fedyk
2003-10-01 2:23 Nakajima, Jun
2003-10-01 2:51 ` Jamie Lokier
2003-10-01 3:14 ` Andrew Morton
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
[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
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