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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-29 11:44:43 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-06-29 11:44:43 +0100 |
| commit | 3c0c01ab742ddfaf6b6f2d64b890e77cda4b7727 (patch) | |
| tree | d0f196c53d209f44190fd8a6481823b7770866e6 /arch/arm/include/asm/smp_plat.h | |
| parent | Merge branches 'fixes', 'mcpm', 'misc' and 'mmci' into for-next (diff) | |
| parent | ARM: 7775/1: mm: Remove do_sect_fault from LPAE code (diff) | |
| download | linux-dev-3c0c01ab742ddfaf6b6f2d64b890e77cda4b7727.tar.xz linux-dev-3c0c01ab742ddfaf6b6f2d64b890e77cda4b7727.zip | |
Merge branch 'devel-stable' into for-next
Conflicts:
arch/arm/Makefile
arch/arm/include/asm/glue-proc.h
Diffstat (limited to 'arch/arm/include/asm/smp_plat.h')
| -rw-r--r-- | arch/arm/include/asm/smp_plat.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index e78983202737..6462a721ebd4 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -26,6 +26,9 @@ static inline bool is_smp(void) } /* all SMP configurations have the extended CPUID registers */ +#ifndef CONFIG_MMU +#define tlb_ops_need_broadcast() 0 +#else static inline int tlb_ops_need_broadcast(void) { if (!is_smp()) @@ -33,6 +36,7 @@ static inline int tlb_ops_need_broadcast(void) return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2; } +#endif #if !defined(CONFIG_SMP) || __LINUX_ARM_ARCH__ >= 7 #define cache_ops_need_broadcast() 0 @@ -66,4 +70,22 @@ static inline int get_logical_index(u32 mpidr) return -EINVAL; } +/* + * NOTE ! Assembly code relies on the following + * structure memory layout in order to carry out load + * multiple from its base address. For more + * information check arch/arm/kernel/sleep.S + */ +struct mpidr_hash { + u32 mask; /* used by sleep.S */ + u32 shift_aff[3]; /* used by sleep.S */ + u32 bits; +}; + +extern struct mpidr_hash mpidr_hash; + +static inline u32 mpidr_hash_size(void) +{ + return 1 << mpidr_hash.bits; +} #endif |