This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive
On Fri, 22 Jun 2007 21:00:00 +0200
Jens Axboe <[EMAIL PROTECTED]> wrote:
> Exactly, it needs to be handled by some power management daemon anyway
> and be integrated with power savings in general. You could use io load
> to determine when to enable/disable alpm, for instance.
>
> > Acked-by:
On Fri, 22 Jun 2007 21:00:00 +0200
Jens Axboe [EMAIL PROTECTED] wrote:
Exactly, it needs to be handled by some power management daemon anyway
and be integrated with power savings in general. You could use io load
to determine when to enable/disable alpm, for instance.
Acked-by: Kristen
On Fri, Jun 22 2007, Kristen Carlson Accardi wrote:
> On Thu, 21 Jun 2007 15:08:32 +0200
> Jens Axboe <[EMAIL PROTECTED]> wrote:
>
> > On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> > > Enable Aggressive Link Power management for AHCI controllers.
> > >
> > > This patch will set the
On Thu, 21 Jun 2007 15:08:32 +0200
Jens Axboe <[EMAIL PROTECTED]> wrote:
> On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> > Enable Aggressive Link Power management for AHCI controllers.
> >
> > This patch will set the correct bits to turn on Aggressive
> > Link Power Management (ALPM) for
On Thu, 21 Jun 2007 15:08:32 +0200
Jens Axboe [EMAIL PROTECTED] wrote:
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci
On Fri, Jun 22 2007, Kristen Carlson Accardi wrote:
On Thu, 21 Jun 2007 15:08:32 +0200
Jens Axboe [EMAIL PROTECTED] wrote:
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
> Enable Aggressive Link Power management for AHCI controllers.
>
> This patch will set the correct bits to turn on Aggressive
> Link Power Management (ALPM) for the ahci driver. This
> will cause the controller and disk to negotiate a lower
>
On Wed, Jun 20 2007, Kristen Carlson Accardi wrote:
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI
Enable Aggressive Link Power management for AHCI controllers.
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI
On Tue, 12 Jun 2007 11:46:56 -0400
Jeff Garzik <[EMAIL PROTECTED]> wrote:
> Matthew Garrett wrote:
> > On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
> >> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >>> Laptop bays are designed to deal with hotplugging PATA - I
Matthew Garrett wrote:
Excluding the corner case of an Expresscard SATA controller (where I
suspect you'd want different policy), I doubt there are any cases where
you have a laptop with hotplug capabilities without it being implemented
as an ACPI bay.
Cardbus card.
Jeff
-
To
On Tue, Jun 12, 2007 at 11:46:56AM -0400, Jeff Garzik wrote:
> Matthew Garrett wrote:
> >On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh
> >wrote:
> >>On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >>>Laptop bays are designed to deal with hotplugging PATA - I don't think
>
On Wed, Jun 13, 2007 at 12:45:21AM +0900, Tejun Heo wrote:
> Matthew Garrett wrote:
> > Yes, but they'll also send an ACPI interrupt even if the SATA host
> > controller doesn't - it's part of the spec for bays.
>
> Does the spec mandate that the ACPI interrupt shouldn't depend on SATA
> phy
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too much of an issue :)
The new SATA ones use the SATA hardware
Matthew Garrett wrote:
> On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
>> On Tue, 12 Jun 2007, Matthew Garrett wrote:
>>> Laptop bays are designed to deal with hotplugging PATA - I don't think
>>> this is too much of an issue :)
>> The new SATA ones use the SATA
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> > Laptop bays are designed to deal with hotplugging PATA - I don't think
> > this is too much of an issue :)
>
> The new SATA ones use the SATA hardware hotplug ;-) Just
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
> > On Tue, 12 Jun 2007, Matthew Garrett wrote:
> > >
> > > On laptops, I suspect that we'll probably get an ACPI interrupt even if
> > > the AHCI hotplug pathway can't
On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
> On Tue, 12 Jun 2007, Matthew Garrett wrote:
> >
> > On laptops, I suspect that we'll probably get an ACPI interrupt even if
> > the AHCI hotplug pathway can't manage.
>
> As long as we don't crash the drive or AHCI
On Tue, 12 Jun 2007, Matthew Garrett wrote:
> On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
> > that's a temporary shortcoming; even with these power savings you can
> > do hotplug as long as you're willing to poll for it at a reasonable
> > interval and are willing to wait
On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
> that's a temporary shortcoming; even with these power savings you can
> do hotplug as long as you're willing to poll for it at a reasonable
> interval and are willing to wait the time between polls for a hotplug
> to take
On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
that's a temporary shortcoming; even with these power savings you can
do hotplug as long as you're willing to poll for it at a reasonable
interval and are willing to wait the time between polls for a hotplug
to take effect..
On Tue, 12 Jun 2007, Matthew Garrett wrote:
On Mon, Jun 11, 2007 at 08:59:46PM -0700, Arjan van de Ven wrote:
that's a temporary shortcoming; even with these power savings you can
do hotplug as long as you're willing to poll for it at a reasonable
interval and are willing to wait the time
On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
On laptops, I suspect that we'll probably get an ACPI interrupt even if
the AHCI hotplug pathway can't manage.
As long as we don't crash the drive or AHCI controller
On Tue, 12 Jun 2007, Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 09:18:19AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
On laptops, I suspect that we'll probably get an ACPI interrupt even if
the AHCI hotplug pathway can't manage.
As
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too much of an issue :)
The new SATA ones use the SATA hardware hotplug ;-) Just like
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too much of an issue :)
The new SATA ones use the SATA hardware
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too much of an issue :)
The new SATA ones use the SATA hardware
On Wed, Jun 13, 2007 at 12:45:21AM +0900, Tejun Heo wrote:
Matthew Garrett wrote:
Yes, but they'll also send an ACPI interrupt even if the SATA host
controller doesn't - it's part of the spec for bays.
Does the spec mandate that the ACPI interrupt shouldn't depend on SATA
phy status? I
On Tue, Jun 12, 2007 at 11:46:56AM -0400, Jeff Garzik wrote:
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh
wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
this is too
Matthew Garrett wrote:
Excluding the corner case of an Expresscard SATA controller (where I
suspect you'd want different policy), I doubt there are any cases where
you have a laptop with hotplug capabilities without it being implemented
as an ACPI bay.
Cardbus card.
Jeff
-
To
On Tue, 12 Jun 2007 11:46:56 -0400
Jeff Garzik [EMAIL PROTECTED] wrote:
Matthew Garrett wrote:
On Tue, Jun 12, 2007 at 11:17:14AM -0300, Henrique de Moraes Holschuh wrote:
On Tue, 12 Jun 2007, Matthew Garrett wrote:
Laptop bays are designed to deal with hotplugging PATA - I don't think
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Jeff Garzik wrote:
on/off doesn't really make sense if the question is "do you favor power
or do you favor performance"...
Actually, it does if you think of it as "do you need hotplug right now or
not?".
that's a temporary
On Mon, 11 Jun 2007, Jeff Garzik wrote:
> >>on/off doesn't really make sense if the question is "do you favor power
> >>or do you favor performance"...
Actually, it does if you think of it as "do you need hotplug right now or
not?".
> >How about just making it a numeric scale with 0 meaning
Arjan van de Ven <[EMAIL PROTECTED]> writes:
> Henrique de Moraes Holschuh wrote:
>> On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
>>> Setting Effect
>>> --
>>> min_power ALPM is enabled, and link set to enter
Dagfinn Ilmari Mannsåker wrote:
Arjan van de Ven <[EMAIL PROTECTED]> writes:
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to enter
lowest power state (SLUMBER) when idle
Hot plug not
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
> Setting Effect
> --
> min_power ALPM is enabled, and link set to enter
> lowest power state (SLUMBER) when idle
> Hot plug not allowed.
>
>
Kristen Carlson Accardi wrote:
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This feature is mutually
exclusive
Kristen Carlson Accardi wrote:
This patch will set the correct bits to turn on Aggressive
Link Power Management (ALPM) for the ahci driver. This
will cause the controller and disk to negotiate a lower
power state for the link when there is no activity (see
the AHCI 1.x spec for details). This
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to enter
lowest power state (SLUMBER) when idle
Hot plug not allowed.
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to enter
lowest power state (SLUMBER) when idle
Hot plug not
Dagfinn Ilmari Mannsåker wrote:
Arjan van de Ven [EMAIL PROTECTED] writes:
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to
Arjan van de Ven [EMAIL PROTECTED] writes:
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Kristen Carlson Accardi wrote:
Setting Effect
--
min_power ALPM is enabled, and link set to enter lowest
power
On Mon, 11 Jun 2007, Jeff Garzik wrote:
on/off doesn't really make sense if the question is do you favor power
or do you favor performance...
Actually, it does if you think of it as do you need hotplug right now or
not?.
How about just making it a numeric scale with 0 meaning no power
Henrique de Moraes Holschuh wrote:
On Mon, 11 Jun 2007, Jeff Garzik wrote:
on/off doesn't really make sense if the question is do you favor power
or do you favor performance...
Actually, it does if you think of it as do you need hotplug right now or
not?.
that's a temporary shortcoming;
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