ACPI: processor: introduce arch_has_acpi_pdc

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arch dependent helper function that tells us if we should attempt to
evaluate _PDC on this machine or not.

The x86 implementation assumes that the CPUs in the machine must be
homogeneous, and that you cannot mix CPUs of different vendors.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

...

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Alex Chiang 2009-12-20 12:19:14 -07:00 • committed by Len Brown

parent 78f1699659

commit 1d9cb470a7

4 changed files with 13 additions and 3 deletions

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2

arch/ia64/include/asm/acpi.h

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7

arch/x86/include/asm/acpi.h

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4

arch/x86/kernel/acpi/processor.c

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3

drivers/acpi/processor_pdc.c

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