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x86: APIC/SMP: Downgrade the NMI watchdog for "noapic"

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If configured to use the I/O APIC, the NMI watchdog is deemed to fail if
the chip has been deactivated as a result of "noapic".  Downgrade to the
local APIC watchdog similarly to what is done for the UP case.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Maciej W. Rozycki 2008-06-06 03:28:13 +01:00 • committed by Ingo Molnar
commit d788bada2f
1 changed files with 3 additions and 1 deletions
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4
include/asm-x86/mach-default/smpboot_hooks.h
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@ -41,8 +41,10 @@ static inline void __init smpboot_setup_io_apic(void)
*/ */
if (!skip_ioapic_setup && nr_ioapics) if (!skip_ioapic_setup && nr_ioapics)
setup_IO_APIC(); setup_IO_APIC();
else else {
nr_ioapics = 0; nr_ioapics = 0;
localise_nmi_watchdog();
}
} }
static inline void smpboot_clear_io_apic(void) static inline void smpboot_clear_io_apic(void)