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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-03 03:20:43 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-03 03:20:43 +0400
commita037a79dceaf717409fbf42f4ad209b9c15f435c (patch)
treec30b5b033c74ab9470e875554bded16464bbdf9b /arch/arm/include/asm/smp_plat.h
parent90d5ffc729e92bffc0f84e2447e2e6dc280240a5 (diff)
parentd25ef8b86e6a58f5476bf6e4a8da730b335f68fa (diff)
downloadlinux-a037a79dceaf717409fbf42f4ad209b9c15f435c.tar.xz
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits) ARM: 5728/1: Proper prefetch abort handling on ARMv6 and ARMv7 ARM: 5727/1: Pass IFSR register to do_PrefetchAbort() ARM: 5740/1: fix valid_phys_addr_range() range check ARM: 5739/1: ARM: allow empty ATAG_CORE ARM: 5735/1: sa1111: CodingStyle cleanups ARM: 5738/1: Correct TCM documentation ARM: 5734/1: arm: fix compilation of entry-common.S for older CPUs ARM: 5733/1: fix bcmring compile error ARM: 5732/1: remove redundant include file ARM: 5731/2: Fix U300 generic GPIO, remove ifdefs from MMCI v3 ARM: Ensure do_cache_op takes mmap_sem ARM: Fix __cpuexit section mismatch warnings ARM: Don't allow highmem on SMP platforms without h/w TLB ops broadcast ARM: includecheck fix: mach-davinci, board-dm365-evm.c ARM: Remove unused CONFIG SA1100_H3XXX ARM: Fix warning: unused variable 'highmem' ARM: Fix warning: #warning syscall migrate_pages not implemented ARM: Fix SA11x0 clocksource warning ARM: Fix SA1100 Neponset serial section mismatch ARM: Fix SA1100 Assabet/Neponset PCMCIA section mismatch warnings ...
Diffstat (limited to 'arch/arm/include/asm/smp_plat.h')
-rw-r--r--arch/arm/include/asm/smp_plat.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
new file mode 100644
index 000000000000..59303e200845
--- /dev/null
+++ b/arch/arm/include/asm/smp_plat.h
@@ -0,0 +1,16 @@
+/*
+ * ARM specific SMP header, this contains our implementation
+ * details.
+ */
+#ifndef __ASMARM_SMP_PLAT_H
+#define __ASMARM_SMP_PLAT_H
+
+#include <asm/cputype.h>
+
+/* all SMP configurations have the extended CPUID registers */
+static inline int tlb_ops_need_broadcast(void)
+{
+ return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2;
+}
+
+#endif