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 of

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 point of

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 you're

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 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 reserved

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 imaginary

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 and how

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 a

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 discussion

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
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] [2007-10-24

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 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/_SRS

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 break?

[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

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 before