linux-kernel - Re: Linux 2.6.21-rc1

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Date:	Wed, 21 Feb 2007 12:49:33 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	tglx@...utronix.de
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mingo@...e.hu
Subject: Re: 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 <tglx@...utronix.de>
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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