linux-kernel - Re: 2.6.25-rc2-mm1: build failure (x86)

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Date:	Sun, 17 Feb 2008 01:22:11 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Russell Leidich <rml@...gle.com>, Pavel Machek <pavel@...e.cz>,
	Len Brown <lenb@...nel.org>
Subject: Re: 2.6.25-rc2-mm1: build failure (x86)

On Saturday, 16 of February 2008, Marcin Slusarz wrote:
> On Sat, Feb 16, 2008 at 03:09:49AM -0800, Andrew Morton wrote:
> > On Sat, 16 Feb 2008 11:59:07 +0100 Marcin Slusarz <marcin.slusarz@...il.com> wrote:
> > 
> > > arch/x86/kernel/built-in.o: In function `amd_smp_thermal_interrupt':
> > > (.text+0xe03b): undefined reference to `mce_log_therm_throt_event'

This one is easily fixed by the appended patch (whether it works is a separate
issue, though).

> > > arch/x86/kernel/built-in.o: In function `acpi_save_state_mem':
> > > (.text+0x12239): undefined reference to `setup_trampoline'
> > > 
> > > #
> > > # Automatically generated make config: don't edit
> > > # Linux kernel version: 2.6.25-rc2-mm1
> > > # Sat Feb 16 11:32:49 2008
> > 
> > ho hum, thanks.  I think I'll drop x86-amd-thermal-interrupt-support.patch.
> >  I don't think it's the final version anwyay.
> > 
> Ok, I had to revert x86-remove-pt_regs-arg-from-smp_thermal_interrupt before x86-amd-thermal-interrupt-support.
> 
> Second error vanished when I reverted "suspend: wakeup code in C".

It will compile if you set CONFIG_SMP.  Working on a fix.

Thanks,
Rafael


---
 arch/x86/kernel/cpu/mcheck/mce_64.c      |    4 ++--
 arch/x86/kernel/cpu/mcheck/mce_thermal.h |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

Index: linux-2.6.25-rc2-mm1/arch/x86/kernel/cpu/mcheck/mce_64.c
===================================================================
--- linux-2.6.25-rc2-mm1.orig/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ linux-2.6.25-rc2-mm1/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -317,7 +317,7 @@ void do_machine_check(struct pt_regs * r
 	atomic_dec(&mce_entry);
 }
 
-#ifdef CONFIG_X86_MCE_INTEL
+#ifdef CONFIG_X86_MCE
 /***
  * mce_log_therm_throt_event - Logs the thermal throttling event to mcelog
  * @cpu: The CPU on which the event occurred.
@@ -342,7 +342,7 @@ void mce_log_therm_throt_event(unsigned 
 	rdtscll(m.tsc);
 	mce_log(&m);
 }
-#endif /* CONFIG_X86_MCE_INTEL */
+#endif /* CONFIG_X86_MCE */
 
 /*
  * Periodic polling timer for "silent" machine check errors.  If the
Index: linux-2.6.25-rc2-mm1/arch/x86/kernel/cpu/mcheck/mce_thermal.h
===================================================================
--- linux-2.6.25-rc2-mm1.orig/arch/x86/kernel/cpu/mcheck/mce_thermal.h
+++ linux-2.6.25-rc2-mm1/arch/x86/kernel/cpu/mcheck/mce_thermal.h
@@ -4,5 +4,5 @@
 typedef void (*smp_thermal_interrupt_callback_t)(void);
 extern smp_thermal_interrupt_callback_t	smp_thermal_interrupt;
 
-void mce_log_therm_throt_event(unsigned int cpu, __u64 status);
+extern void mce_log_therm_throt_event(unsigned int cpu, __u64 status);
 
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