Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-30 Thread Jean Delvare
On Sun, 28 Oct 2007 20:50:33 -0600, Bjorn Helgaas wrote: > On Saturday 27 October 2007 9:09:47 am Matthew Garrett wrote: > > On Thu, Oct 25, 2007 at 09:06:22AM -0600, Bjorn Helgaas wrote: > > > But we really *should* reserve things used by opregions, shouldn't > > > we? After all, the whole point

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-29 Thread Matthew Garrett
On Sun, Oct 28, 2007 at 08:50:33PM -0600, Bjorn Helgaas wrote: > On Saturday 27 October 2007 9:09:47 am Matthew Garrett wrote: > > On Thu, Oct 25, 2007 at 09:06:22AM -0600, Bjorn Helgaas wrote: > > > But we really *should* reserve things used by opregions, shouldn't > > > we? After all, the whole

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-28 Thread Bjorn Helgaas
On Saturday 27 October 2007 9:09:47 am Matthew Garrett wrote: > On Thu, Oct 25, 2007 at 09:06:22AM -0600, Bjorn Helgaas wrote: > > But we really *should* reserve things used by opregions, shouldn't > > we? After all, the whole point of resource reservation is to prevent > > conflicts. > > Only if

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-27 Thread Matthew Garrett
On Thu, Oct 25, 2007 at 09:06:22AM -0600, Bjorn Helgaas wrote: > But we really *should* reserve things used by opregions, shouldn't > we? After all, the whole point of resource reservation is to prevent > conflicts. Only if you're happy to lose functionality like IDE, sadly. -- Matthew Garrett

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-26 Thread Jean Delvare
Hi Bjorn, On Fri, 26 Oct 2007 07:09:19 -0600, Bjorn Helgaas wrote: > On Friday 26 October 2007 4:45:20 am Thomas Renninger wrote: > > Maybe the list set up by this patch set should be similarly exported > > like /proc/ioports /proc/iomem > > to where ever appropriate (maybe /sys/devices/system/acp

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-26 Thread Jean Delvare
Hi Andrew, On Thu, 25 Oct 2007 13:24:10 -0700, Andrew Morton wrote: > On Thu, 25 Oct 2007 15:51:35 +0200, Jean Delvare wrote: > > Thanks for picking these patches, having them in -mm for some time is > > exactly what we need. Let's see how many systems are affected by the > > resource conflicts an

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-26 Thread Bjorn Helgaas
On Friday 26 October 2007 4:45:20 am Thomas Renninger wrote: > On Thu, 2007-10-25 at 21:59 -0600, Bjorn Helgaas wrote: > > On Thursday 25 October 2007 4:55:07 pm Thomas Renninger wrote: > > > Also the BIOS developers seem to choose the regions in a very dump way > > > sometimes. > > > Just some im

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-26 Thread Thomas Renninger
On Thu, 2007-10-25 at 21:59 -0600, Bjorn Helgaas wrote: > On Thursday 25 October 2007 4:55:07 pm Thomas Renninger wrote: > > On Thu, 2007-10-25 at 09:06 -0600, Bjorn Helgaas wrote: > > > Isn't the real problem that we have a bunch of drivers that use some of > > > the same resources, and if ACPI re

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Bjorn Helgaas
On Thursday 25 October 2007 4:55:07 pm Thomas Renninger wrote: > On Thu, 2007-10-25 at 09:06 -0600, Bjorn Helgaas wrote: > > Isn't the real problem that we have a bunch of drivers that use some of > > the same resources, and if ACPI reserved all the right resources, all > > those drivers would brea

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Thomas Renninger
On Thu, 2007-10-25 at 09:06 -0600, Bjorn Helgaas wrote: > On Wednesday 24 October 2007 08:31:59 am Thomas Renninger wrote: > > In ACPI, AML can define accesses to IO ports and System Memory by > > Operation Regions. Those are not registered as done by PNPACPI using > > resource templates (and _CRS/

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Len Brown
This is one of the most imortant issues with ACPI in Linux, and I too thank you, Thomas and Jean, for your hard work seeking the right solution. 1, 2 and 3 of 5 applied to acpi-test. thanks, -Len On Wednesday 24 October 2007 10:31, Thomas Renninger wrote: > Hi, > > it seems Len's test tree and

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Andrew Morton
On Thu, 25 Oct 2007 15:51:35 +0200 Jean Delvare <[EMAIL PROTECTED]> wrote: > On Wed, 24 Oct 2007 20:57:23 -0700, Andrew Morton wrote: > > On Wed, 24 Oct 2007 16:31:59 +0200 Thomas Renninger <[EMAIL PROTECTED]> > > wrote: > > > > > it seems Len's test tree and Linus tree diverged a bit, at least

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Jean Delvare
Hi Mark, On Thu, 25 Oct 2007 08:04:38 -0400, Mark M. Hoffman wrote: > Hi Thomas: > > I recently told someone in private that ACPI vs. hwmon conflicts are the > biggest open problems for the hwmon subsystem. Thank you (and Jean) for > doing this. > > * Thomas Renninger <[EMAIL PROTECTED]> [2007-

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Bjorn Helgaas
On Wednesday 24 October 2007 08:31:59 am Thomas Renninger wrote: > In ACPI, AML can define accesses to IO ports and System Memory by > Operation Regions. Those are not registered as done by PNPACPI using > resource templates (and _CRS/_SRS methods). > The IO ports and System Memory regions may get

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Jean Delvare
On Wed, 24 Oct 2007 20:57:23 -0700, Andrew Morton wrote: > On Wed, 24 Oct 2007 16:31:59 +0200 Thomas Renninger <[EMAIL PROTECTED]> wrote: > > > it seems Len's test tree and Linus tree diverged a bit, at least with > > this patch set things do not apply cleanly. > > > > Therefore I post these for

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-25 Thread Mark M. Hoffman
Hi Thomas: I recently told someone in private that ACPI vs. hwmon conflicts are the biggest open problems for the hwmon subsystem. Thank you (and Jean) for doing this. * Thomas Renninger <[EMAIL PROTECTED]> [2007-10-24 16:31:59 +0200]: > Hi, > > it seems Len's test tree and Linus tree diverged

Re: [PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-24 Thread Andrew Morton
On Wed, 24 Oct 2007 16:31:59 +0200 Thomas Renninger <[EMAIL PROTECTED]> wrote: > it seems Len's test tree and Linus tree diverged a bit, at least with > this patch set things do not apply cleanly. > > Therefore I post these for discussion whether and in which kernel tree > they should end up befo

[PATCH 0/5] Detect hwmon and i2c bus drivers interfering with ACPI Operation Region resources

2007-10-24 Thread Thomas Renninger
Hi, it seems Len's test tree and Linus tree diverged a bit, at least with this patch set things do not apply cleanly. Therefore I post these for discussion whether and in which kernel tree they should end up before doing work for nothing. If they are still a candidate for 2.6.24 (rather unintrusi