From: Thomas Gleixner <tglx@linutronix.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <borislav.petkov@amd.com>,
Stephan Wolf <stephan@letzte-bankreihe.de>,
linux-kernel@vger.kernel.org,
Andreas Herrmann <andreas.herrmann3@amd.com>
Subject: Re: [PATCH] enable readback to get HPET working on ATI SB4x00, kernel 2.6.35_rc5
Date: Wed, 14 Jul 2010 21:32:02 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.00.1007142130380.3321@localhost.localdomain> (raw)
In-Reply-To: <AANLkTin71FbM5Eh7TDUHN0WvYHA5RubycflTxM5EWlvj@mail.gmail.com>
On Wed, 14 Jul 2010, Linus Torvalds wrote:
> On Wed, Jul 14, 2010 at 11:11 AM, Borislav Petkov
> <borislav.petkov@amd.com> wrote:
> >
> > I'll try to find out which chipsets are actually affected but in the
> > meantime we might want to do a temporary fix by enabling the readback
> > back(!) on all ATI chipsets so that we don't uncover anymore bugs like
> > the one above, hmmm?
>
> That sounds like the right solution for now, yes. Rather than make
Ack.
> the readback quirk depend on one particular SMBUS revision, make it
> happen unconditionally for an AMD northbridge (or is the HPET in the
> SB? I forget - somebody who knows the details and can test it on a
> machine or two should do the actual patch).
It's in the SB. Need to figure out how to cover all ATI chipsets and
not blindly imposing this on any other chipset which is used with AMD
cpus.
Thanks,
tglx
next prev parent reply other threads:[~2010-07-14 19:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-14 15:55 [PATCH] enable readback to get HPET working on ATI SB4x00, kernel 2.6.35_rc5 Stephan Wolf
2010-07-14 16:13 ` Linus Torvalds
2010-07-14 16:40 ` Stephan Wolf
2010-07-14 18:11 ` Borislav Petkov
2010-07-14 18:17 ` Linus Torvalds
2010-07-14 18:32 ` Borislav Petkov
2010-07-14 21:04 ` Thomas Gleixner
2010-07-15 7:06 ` Stephan Wolf
2010-07-15 8:22 ` Thomas Gleixner
2010-07-15 10:02 ` Borislav Petkov
2010-07-15 15:12 ` [tip:x86/urgent] x86: Force HPET readback_cmp for all ATI chipsets tip-bot for Thomas Gleixner
2010-07-14 19:32 ` Thomas Gleixner [this message]
2010-07-14 19:30 ` [PATCH] enable readback to get HPET working on ATI SB4x00, kernel 2.6.35_rc5 Thomas Gleixner
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