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SubjectRe: Linux 2.6.21-rc1
On Wed, 2007-02-21 at 21:43 +0100, Thomas Gleixner wrote:
> On Wed, 2007-02-21 at 12:00 -0800, Daniel Walker wrote:
> > There's a compile failure during my bisect.
> >
> > distcc[3863] ERROR: compile /tmp//hrtimer.tmp.dwalker1.3795.i on dwalker3/120 failed
> > kernel/hrtimer.c: In function 'hrtimer_cpu_notify':
> > kernel/hrtimer.c:884: warning: implicit declaration of function 'clockevents_notify'
> > kernel/hrtimer.c:884: error: 'CLOCK_EVT_NOTIFY_CPU_DEAD' undeclared (first use in this function)
> > kernel/hrtimer.c:884: error: (Each undeclared identifier is reported only once
> > kernel/hrtimer.c:884: error: for each function it appears in.)
> > drivers/ide/setup-pci.c: In function 'ide_scan_pcibus':
> > drivers/ide/setup-pci.c:866: warning: ignoring return value of '__pci_register_driver', declared with attribute warn_unused_result
> > make[1]: *** [kernel/hrtimer.o] Error 1
> hrmpf. we made it bisectable at some point.

It was related some code under a hot plug ifdef ..

Here's the final commit from the bisect which caused it . It says "No
changes to existing functionality" ?

e9e2cdb412412326c4827fc78ba27f410d837e6e is first bad commit
commit e9e2cdb412412326c4827fc78ba27f410d837e6e
Author: Thomas Gleixner <>
Date: Fri Feb 16 01:28:04 2007 -0800

[PATCH] clockevents: i386 drivers

Add clockevent drivers for i386: lapic (local) and PIT/HPET (global). Update
the timer IRQ to call into the PIT/HPET driver's event handler and the
lapic-timer IRQ to call into the lapic clockevent driver. The assignement of
timer functionality is delegated to the core framework code and replaces the
compile and runtime evalution in do_timer_interrupt_hook()

Use the clockevents broadcast support and implement the lapic_broadcast
function for ACPI.

No changes to existing functionality.

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