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From: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>
To: "Pavel Machek" <pavel@ucw.cz>
Cc: "Andrew Morton" <akpm@linux-foundation.org>, <lkml@rtr.ca>,
	<abelay@novell.com>, <lenb@kernel.org>, <mlord@pobox.com>,
	<rjw@sisk.pl>, <linux-kernel@vger.kernel.org>,
	<linux-acpi@vger.kernel.org>
Subject: RE: + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree
Date: Fri, 7 Dec 2007 13:38:00 -0800	[thread overview]
Message-ID: <924EFEDD5F540B4284297C4DC59F3DEE38C313@orsmsx423.amr.corp.intel.com> (raw)
In-Reply-To: <20071205111720.GC3864@ucw.cz>

 

>-----Original Message-----
>From: Pavel Machek [mailto:pavel@ucw.cz] 
>Sent: Wednesday, December 05, 2007 3:17 AM
>To: Pallipadi, Venkatesh
>Cc: Andrew Morton; lkml@rtr.ca; abelay@novell.com; 
>lenb@kernel.org; mlord@pobox.com; rjw@sisk.pl; 
>linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org
>Subject: Re: + restore-missing-sysfs-max_cstate-attr.patch 
>added to -mm tree
>
>Hi!
>
>> >It is not known whether Mark is actually writing to this 
>> >thing.  Perhaps
>> >read-only permissions would be a suitable fix?
>> >
>> 
>> Exporting it as read only should be OK. We also need to know if there
>> are hard user space dependency on writing to this from userspace.
>
>Some people are manipulating it from their suspend scripts..
>

That is done by default in kernel now. Deep C-states are disabled
between suspend and resume.

Thanks,
Venki

      reply	other threads:[~2007-12-07 21:37 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200711302153.lAULrZ7n026255@imap1.linux-foundation.org>
     [not found] ` <924EFEDD5F540B4284297C4DC59F3DEE2FAE6A@orsmsx423.amr.corp.intel.com>
2007-11-30 22:20   ` + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Andrew Morton
2007-11-30 22:37     ` Pallipadi, Venkatesh
2007-12-01  2:52       ` Mark Lord
2007-12-01  3:02         ` Arjan van de Ven
2007-12-01  3:14           ` Mark Lord
2007-12-01  3:18             ` Arjan van de Ven
2007-12-01  3:31               ` Mark Lord
2007-12-01  3:44                 ` Mark Lord
2007-12-01  3:48                   ` Mark Lord
2007-12-01  4:02                   ` Mark Lord
2007-12-01  4:31                     ` Mark Lord
2007-12-01 23:43                   ` 20000+ wake-ups/second in 2.6.24. Bug? Mark Lord
2007-12-01 23:46                     ` Arjan van de Ven
2007-12-01 23:55                       ` Mark Lord
2007-12-02  0:13                         ` Arjan van de Ven
2007-12-02  1:10                           ` Andres Freund
2007-12-02  0:20                         ` Rafael J. Wysocki
2008-02-04 17:29                           ` Mark Lord
2008-02-04 17:50                             ` Arjan van de Ven
2008-02-04 19:17                               ` Mark Lord
2007-12-02 14:41                     ` Adrian Bunk
2007-12-02 14:59                       ` Mark Lord
2007-12-02 15:12                         ` Adrian Bunk
2007-12-02 15:45                           ` Mark Lord
2007-12-02 15:45                           ` Mark Lord
2007-12-02 15:49                           ` Mark Lord
2008-01-02 23:41                 ` + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Mark Lord
2008-01-03  0:06                   ` Pallipadi, Venkatesh
2008-01-03  0:51                     ` Andrew Morton
2008-01-03  1:12                       ` Pallipadi, Venkatesh
2008-01-03  4:25                         ` Mark Lord
2008-01-03  4:18                     ` Mark Lord
2008-01-04  2:16                       ` Venki Pallipadi
2008-01-04  3:16                         ` Mark Lord
2008-01-04 21:52                           ` Mark Lord
2008-01-04 21:59                             ` Pallipadi, Venkatesh
2008-01-05 16:27                               ` Mark Lord
2008-01-06 21:34                         ` Mark Lord
2008-01-07  7:18                           ` Andrew Morton
2008-01-07 14:07                             ` Arjan van de Ven
2008-01-07 15:07                               ` Mark Lord
2008-01-07 14:18                             ` Pallipadi, Venkatesh
2008-01-07 15:06                             ` Mark Lord
2008-01-07 19:12                               ` Len Brown
2008-01-07 21:33                                 ` Mark Lord
2008-01-07 22:43                                   ` Len Brown
2007-12-01 10:17             ` Andrew Morton
2007-12-01 16:30               ` Arjan van de Ven
2007-12-05 11:17       ` Pavel Machek
2007-12-07 21:38         ` Pallipadi, Venkatesh [this message]

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