linux-toradex.git/Documentation/x86_64, branch v2.6.20.17

Revert "[PATCH] x86-64: Try multiple timer variants in check_timer"

2007-01-08T23:04:46+00:00

This reverts commit b026872601976f666bae77b609dc490d1834bf77, which has
been linked to several problem reports with IO-APIC and the timer.
Machines either don't boot because the timer doesn't happen, or we get
double timer interrupts because we end up double-routing the timer irq
through multiple interfaces.

See for example

	http://lkml.org/lkml/2006/12/16/101
	http://lkml.org/lkml/2007/1/3/9
	http://bugzilla.kernel.org/show_bug.cgi?id=7789

about some of the discussion.

Patches to fix this cleanup exist (and have been confirmed to work fine
at least for some of the affected cases) and we'll revisit it for
2.6.21, but this late in the -rc series we're better off just reverting
the incomplete commit that caused the problems.

Suggested-by: Adrian Bunk 
Cc: Eric W. Biederman 
Cc: Yinghai Lu 
Cc: Andrew Morton 
Cc: Andi Kleen 
Signed-off-by: Linus Torvalds

[PATCH] Calgary: allow compiling Calgary in but not using it by default

2006-12-07T01:14:07+00:00

This patch makes it possible to compile Calgary in but not use it by
default. In this mode, use 'iommu=calgary' to activate it.

Signed-off-by: Muli Ben-Yehuda 
Signed-off-by: Jon Mason 
Signed-off-by: Andi Kleen

[PATCH] x86-64: Try multiple timer variants in check_timer

2006-12-07T01:14:06+00:00

Instead of adding all kinds of more quirks try various timer
routing variants in check_timer.

In particular this tries to handle quirks from:
- Nvidia NF2-4 reference BIOS: wrong timer override
- Asus: Wrong timer override but no HPET table
- ATI: require timer disabled in 8259
- Some boards: require timer enabled in 8259

We just try many of the the known variants in the hopefully right order
in check_timer.

Trying pin 0/2 on Nvidia suggested by Tim Hockin.

TBD Experimental. Needs a lot of testing

Signed-off-by: Andi Kleen

Fix typos in Documentation/: 'Q'-'R'

2006-10-03T20:54:15+00:00

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'Q'-'R'.

Signed-off-by: Matt LaPlante 
Acked-by: Randy Dunlap 
Signed-off-by: Adrian Bunk

[PATCH] Document iommu=panic

2006-09-29T23:47:55+00:00

Signed-off-by: Andi Kleen

[PATCH] Allow disabling DAC using command line options

2006-09-29T23:47:55+00:00

Might or might not work around some reported bugs on VIA systems.

Signed-off-by: Andi Kleen

[PATCH] Add stack documentation document from Keith Owens

2006-09-26T08:52:31+00:00

Describes the stack organization on x86-64.

I changed it a bit and removed some obsolete information and the
questions.

Cc: kaos@sgi.com
Signed-off-by: Andi Kleen

[PATCH] Document backtracer selection options

2006-09-26T08:52:28+00:00

Signed-off-by: Andi Kleen

[PATCH] x86_64: Document backtracer selection options

2006-07-29T02:28:00+00:00

Signed-off-by: Andi Kleen 
Signed-off-by: Linus Torvalds

[PATCH] x86_64: Calgary IOMMU - Calgary specific bits

2006-06-26T17:48:19+00:00

This patch hooks Calgary into the build, the x86-64 IOMMU
initialization paths, and introduces the Calgary specific bits.  The
implementation draws inspiration from both PPC (which has support for
the same chip but requires firmware support which we don't have on
x86-64) and gart. Calgary is different from gart in that it support a
translation table per PHB, as opposed to the single gart aperture.

Changes from previous version:
 * Addition of boot-time disablement for bus-level translation/isolation
   (e.g, enable userspace DMA for things like X)
 * Usage of newer IOMMU abstraction functions

Signed-off-by: Muli Ben-Yehuda 
Signed-off-by: Jon Mason 
Signed-off-by: Andi Kleen 
Signed-off-by: Linus Torvalds