Hi Linus !
Some more powerpc bits for you.
One is actually a change from Anton to the generic kexec to make a
function weak so powerpc can override it.
It has been around for ever, there were initial objections I think
mostly due to a misunderstanding of the problem.
Since then, it's been a deafening silence to our responses/expanations
and no answers from Eric so I think it should go in as the powerpc
counterpart that implements our version of that weak function is already
(and has been for a while as d72e063bb32c06c6c1cec14f6857b7c37ba62d7a)
and it fixes a real nasty bug.
The rest is a series of fixes to our CPU hotplug code that I've been
sitting on for a little while (by myself) and was originally thinking
about putting in for the next release.
I eventually changed my mind, there is no point in sitting on them any
longer since they fix some real issues on some machines (such as G5's
crashing on re-plug) and brings us in line with what other archs do for
setting up and re-initializing the idle threads.
Cheers,
Ben.
The following changes since commit ecb78ab6f30106ab72a575a25b1cdfd1633b7ca2:
Merge branch 'release' of
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 (2011-03-30
12:22:15 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc.git merge
Anton Blanchard (1):
kdump: Allow shrinking of kdump region to be overridden
Benjamin Herrenschmidt (18):
powerpc: Make decrementer interrupt robust against offlined CPUs
powerpc/smp: soft-replugged CPUs must go back to start_secondary
powerpc/smp: Fix generic_mach_cpu_die()
powerpc/smp: Remove unused generic_cpu_enable()
powerpc/smp: Remove unused smp_ops->cpu_enable()
powerpc/pmac/smp: Fix 32-bit PowerMac cpu_die
powerpc/pmac/smp: Rename fixup_irqs() to migrate_irqs() and use it on
ppc32
powerpc/pmac/smp: Fixup smp_core99_cpu_disable() and use it on 64-bit
powerpc/pmac/smp: Consolidate 32-bit and 64-bit PowerMac cpu_die in one
file
powerpc/pmac/smp: Remove HMT changes for PowerMac offline code
powerpc/pmac/smp: Properly NAP offlined CPU on G5
powerpc/pmac: Rename cpu_state in therm_pm72 to avoid collision
powerpc/smp: Add a smp_ops->bringup_up() done callback
powerpc/pmac/smp: Fix CPU hotplug crashes on some machines
powerpc/smp: Don't expose per-cpu "cpu_state" array
powerpc/smp: Create idle threads on demand and properly reset them
powerpc/smp: Increase vdso_data->processorCount, not just decrease it
powerpc/pmac/smp: Remove no-longer needed preempt workaround
arch/powerpc/include/asm/machdep.h | 3 +-
arch/powerpc/include/asm/smp.h | 5 +-
arch/powerpc/kernel/head_32.S | 9 ++
arch/powerpc/kernel/head_64.S | 7 +
arch/powerpc/kernel/idle_power4.S | 21 ---
arch/powerpc/kernel/irq.c | 3 +-
arch/powerpc/kernel/smp.c | 153 ++++++++++++++--------
arch/powerpc/kernel/time.c | 15 ++-
arch/powerpc/platforms/powermac/pmac.h | 1 -
arch/powerpc/platforms/powermac/setup.c | 56 --------
arch/powerpc/platforms/powermac/smp.c | 154 ++++++++++++++++-------
arch/powerpc/platforms/pseries/offline_states.h | 2 -
drivers/macintosh/therm_pm72.c | 60 +++++-----
include/linux/kexec.h | 1 +
kernel/kexec.c | 5 +-
15 files changed, 272 insertions(+), 223 deletions(-)
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