Re: [PATCH 0/79] smpboot integration

From: Yinghai Lu
Date: Fri Mar 21 2008 - 18:14:21 EST


On Fri, Mar 21, 2008 at 2:41 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
>
> On Fri, Mar 21, 2008 at 1:03 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
> >
> > On Fri, Mar 21, 2008 at 12:55 PM, Ingo Molnar <mingo@xxxxxxx> wrote:
> > >
> > > * Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
> > >
> > >
> > > > how to bisect x86.git tree?. it always said it can not bisect seeked
> > > > tree.
> > >
> > > ah. Does this work:
> > >
> > > git-checkout my-tree x86/latest
> > >
> > > git-bisect start
> > > git-bisect good x86/base
> > > git-bisect bad x86/latest
> > >
> > > x86/base is the Linus tree that x86.git is based against. You can see
> > > all the x86.git/latest changes by doing:
> > >
> > > git-log x86/base..x86/latest
> > >
> > > Ingo
> > >
> >
> > works. will let you know the result.
> >
>
> yhlu@mpk:~/xx/xx/kernel/x86/linux-2.6> git-bisect bad
> d1c707188ad646c8094cac9afb1738e7d0196ff2 is first bad commit
> commit d1c707188ad646c8094cac9afb1738e7d0196ff2
> Author: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
> Date: Wed Mar 19 14:25:53 2008 -0300
>
> x86: include mach_apic.h in smpboot_64.c and smpboot.c
>
> After the inclusion, a lot of files needs fixing for conflicts,
> some of them in the headers themselves, to accomodate for both
> i386 and x86_64 versions.
>
> [ mingo@xxxxxxx: build fix ]
>
> Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
> Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
>
> :040000 040000 19f574e64bb8003bbe984f3a8c1315db969dfdcd
> 6ffe96588c77bc936705599fa110107856201115 M arch
> :040000 040000 61269347ad4f384ed85cc87c4f2d004ed94492ac
> 8f5c713da25579a3cdf63db3d4c2f795261d0521 M include
> yhlu@mpk:~/xx/xx/kernel/x86/linux-2.6>
>

attached patch fix that.

YH
diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h
index 7b78275..e4b29ba 100644
--- a/include/asm-x86/mach-default/mach_apicdef.h
+++ b/include/asm-x86/mach-default/mach_apicdef.h
@@ -5,13 +5,12 @@

#ifdef CONFIG_X86_64
#define APIC_ID_MASK (0xFFu<<24)
+#define GET_APIC_ID(x) (((x)>>24)&0xFFu)
#define SET_APIC_ID(x) (((x)<<24))
#else
#define APIC_ID_MASK (0xF<<24)
-#endif
-
static inline unsigned get_apic_id(unsigned long x)
-{
+{
unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
if (APIC_XAPIC(ver))
return (((x)>>24)&0xFF);
@@ -20,5 +19,6 @@ static inline unsigned get_apic_id(unsigned long x)
}

#define GET_APIC_ID(x) get_apic_id(x)
+#endif

#endif