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authorAlex Chiang <achiang@hp.com>2009-12-20 12:19:14 -0700
committerLen Brown <len.brown@intel.com>2009-12-22 03:24:10 -0500
commit1d9cb470a755409ce97c3376174b1e234bd20371 (patch)
treecc0f35e02fed9b833be7bafda72b4980c4667ec9 /arch/ia64
parent78f1699659963fff97975df44db6d5dbe7218e55 (diff)
downloadlinux-1d9cb470a755409ce97c3376174b1e234bd20371.tar.bz2
ACPI: processor: introduce arch_has_acpi_pdc
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>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/acpi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 91df9686a0da..3b7888294648 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -132,6 +132,8 @@ extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
#endif
+static inline bool arch_has_acpi_pdc(void) { return true; }
+
#define acpi_unlazy_tlb(x)
#ifdef CONFIG_ACPI_NUMA