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SubjectRe: 2.4.19-pre8 doesn't compile (missing skip_ioapic_setup)
Ben Castricum writes:
> Having a go at 2.4.19-pre8 gives me this error:
> ...
> init/main.o: In function `smp_init':
> init/main.o(.text.init+0x59e): undefined reference to `skip_ioapic_setup'
> arch/i386/kernel/kernel.o: In function `broken_pirq':
> arch/i386/kernel/kernel.o(.text.init+0x3096): undefined reference to
> `skip_ioapic_setup'
> make: *** [vmlinux] Error 1
>
>
> Not using local io-apic makes the problem (and the feature) go away. This
> is on a uni-processor system with SMP disabled. Full .config at

Apply the patch below.

/Mikael

--- linux-2.4.19-pre8/arch/i386/kernel/dmi_scan.c.~1~ Sat May 4 15:35:10 2002
+++ linux-2.4.19-pre8/arch/i386/kernel/dmi_scan.c Sat May 4 17:51:32 2002
@@ -418,7 +418,7 @@
printk(KERN_INFO " *** If you see IRQ problems, in paticular SCSI resets and hangs at boot\n");
printk(KERN_INFO " *** contact your hardware vendor and ask about updates.\n");
printk(KERN_INFO " *** Building an SMP kernel may evade the bug some of the time.\n");
-#ifdef CONFIG_X86_UP_APIC
+#ifdef CONFIG_X86_IO_APIC
skip_ioapic_setup = 0;
#endif
return 0;
--- linux-2.4.19-pre8/init/main.c.~1~ Sat May 4 15:35:18 2002
+++ linux-2.4.19-pre8/init/main.c Sat May 4 17:51:32 2002
@@ -293,11 +293,9 @@
#ifndef CONFIG_SMP

#ifdef CONFIG_X86_LOCAL_APIC
-extern int skip_ioapic_setup;
static void __init smp_init(void)
{
- if (!skip_ioapic_setup)
- APIC_init_uniprocessor();
+ APIC_init_uniprocessor();
}
#else
#define smp_init() do { } while (0)
-
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