Messages in this thread | | | Date | Sat, 2 Feb 2008 16:39:47 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] AMD Thermal Interrupt Support |
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On Sat, 02 Feb 2008 16:27:40 -0800 Harvey Harrison <harvey.harrison@gmail.com> wrote:
> On Sat, 2008-02-02 at 16:10 -0800, Andrew Morton wrote: > > On Thu, 17 Jan 2008 17:06:33 -0800 "Russell Leidich" <rml@google.com> wrote: > > > > > > Here's the hopefully-final version of the patch, which I have just > > > > tested on Intel and AMD. > > > > Curious. This just broke. > > > > i386 allmodconfig: > > > > arch/x86/kernel/cpu/mcheck/p4.o: In function `smp_thermal_interrupt': > > arch/x86/kernel/cpu/mcheck/p4.c:61: multiple definition of `smp_thermal_interrupt' > > arch/x86/kernel/cpu/mcheck/mce_thermal.o:arch/x86/kernel/cpu/mcheck/mce_thermal.c:17: first defined here > > /opt/crosstool/gcc-4.1.0-glibc-2.3.6/i686-unknown-linux-gnu/bin/i686-unknown-linux-gnu-ld: Warning: size of symbol `smp_thermal_interrupt' changed from 4 in arch/x86/kernel/cpu/mcheck/mce_thermal.o to 43 in arch/x86/kernel/cpu/mcheck/p4.o > > /opt/crosstool/gcc-4.1.0-glibc-2.3.6/i686-unknown-linux-gnu/bin/i686-unknown-linux-gnu-ld: Warning: type of symbol `smp_thermal_interrupt' changed from 1 to 2 in arch/x86/kernel/cpu/mcheck/p4.o > > > > In mainline we just did this: > > > > --- linux-2.6.24/arch/x86/kernel/cpu/mcheck/p4.c 2008-02-01 14:29:18.000000000 -0800 > > +++ devel/arch/x86/kernel/cpu/mcheck/p4.c 2008-02-02 15:38:06.000000000 -0800 > > @@ -57,7 +57,7 @@ static void intel_thermal_interrupt(stru > > /* Thermal interrupt handler for this CPU setup */ > > static void (*vendor_thermal_interrupt)(struct pt_regs *regs) = unexpected_thermal_interrupt; > > > > -fastcall void smp_thermal_interrupt(struct pt_regs *regs) > > +void smp_thermal_interrupt(struct pt_regs *regs) > > > > which I think was always wrong and has just now tripped up the linker. I > > _assume_ that function should be __attribute__((weak)). Then again, maybe > > I'm full of it. But hey, it compiles now. > > > > What tree fails to compile?
Current mainline plus current -mm mess. I don't think there's anything else apart from this patch involved though.
> grepping mainline: > > ./arch/x86/kernel/cpu/mcheck/mce_intel_64.c:asmlinkage void smp_thermal_interrupt(void) > ./arch/x86/kernel/cpu/mcheck/p4.c:void smp_thermal_interrupt(struct pt_regs *regs) > ./arch/x86/kernel/entry_64.S: apicinterrupt THERMAL_APIC_VECTOR,smp_thermal_interrupt > ./arch/x86/kernel/traps_64.c:asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) > > Notice the one in p4.c doesn't take void args.
Yeah. I didn't really look into what all this is supposed to do. Something seems a bit broken.
> I'll look into it.
Thanks. My current queue is (as usual) at http://userweb.kernel.org/~akpm/mmotm/
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