Linus Torvalds wrote:
There's various fixes here, ranging from some architecture updates (ia64,
ARM, MIPS, SH, Sparc64) to KVM, networking and network drivers.
And random one-liners.
But probably more important, and likely much more visible to most people
is the fixes for the fallout from the hrtimers and no-HZ changes, and some
of the ACPI regressions.
Those timer changes ended up much more painful than anybody wished for,
but big thanks to Thomas Gleixner for being on it like a weasel on a dead
rat, and the regression list has kept shrinking.
So if you have reported a regression in the 2.6.21-rc series, please check
2.6.21-rc5, and update your report as appropriate (whether fixed or "still
problems with xyzzy").
Linus
[just got back from vacation, or would have sent this earlier]
FWIW, I'm still leaning towards disabling libata ACPI support by default
for 2.6.21.
Upstream has Alan's fix for the worst PATA problems, but for different
reasons, I think PATA ACPI and SATA ACPI support in libata does not feel
quite ready for prime time in 2.6.21.
Scream now, or hold your peace until 2.6.22... :)
Jeff
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