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x86, irq: don't call mp_config_acpi_gsi() if update_mptable is not enabled

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Len expressed concern that the update_mptable feature has
side-effects on the ACPI code.

Make it sure explicitly that the code only ever gets called if
the (default disabled) update_mptable boot quirk option is
disabled.

[ Impact: isolate the update_mptable feature from ACPI code more ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Len Brown <lenb@kernel.org>
LKML-Reference: <4A0DC832.5090200@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-05-15 13:05:16 -07:00
committed by Ingo Molnar
parent 629e15d245
commit f1bdb52388
3 changed files with 13 additions and 2 deletions
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9
arch/x86/include/asm/mpspec.h
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@@ -87,6 +87,15 @@ static inline int acpi_probe_gsi(void)
}
#endif /* CONFIG_ACPI */
#ifdef CONFIG_X86_MPPARSE
extern int enable_update_mptable;
#else
static inline int enable_update_mptable(void)
{
return 0;
}
#endif
#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
struct physid_mask {