Linux ACPI
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From: Thomas Renninger <trenn@suse.de>
To: Len Brown <lenb@kernel.org>
Cc: linux-acpi@vger.kernel.org, jm@lentin.co.uk, yakui.zhao@intel.com
Subject: Re: [PATCH] ACPI: Disable _GTS and _BFS support by default
Date: Mon, 20 Apr 2009 11:01:06 +0200	[thread overview]
Message-ID: <200904201101.07693.trenn@suse.de> (raw)
In-Reply-To: <alpine.LFD.2.00.0904172349110.985@localhost.localdomain>

On Saturday 18 April 2009 05:51:42 Len Brown wrote:
> From: Len Brown <len.brown@intel.com>
> 
> Executing BIOS code paths not exercised by Windows
> tends to get Linux into trouble.
Where do we know Windows does not use them?
Is that confirmed by a Windows developer or has this been
tried with KVM?
For the latter, it could be that these are only called under
certain circumstances.

> However, if a system does benefit from _GTS or _BFS,
> acpi.gts=1 an acpi.bfs=1 are now available to enable them.
If the systems works better it's probably a good idea to add
that patch, I'd just like to know how sure we can be that
Windows never calls these.

Thanks,

     Thomas

> http://bugzilla.kernel.org/show_bug.cgi?id=13041


  reply	other threads:[~2009-04-20  9:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-18  3:51 [PATCH] ACPI: Disable _GTS and _BFS support by default Len Brown
2009-04-20  9:01 ` Thomas Renninger [this message]
2009-04-21  0:55   ` yakui_zhao

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