diff options
| author | Matt Evans <matt@ozlabs.org> | 2011-04-06 23:48:50 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-27 08:18:52 +0400 |
| commit | 44ae3ab3358e962039c36ad4ae461ae9fb29596c (patch) | |
| tree | 08c0628a5226c0535b7fe236be64b48e5eb0fbd6 /arch/powerpc/platforms | |
| parent | eca590f402332ab873d13f2d8d00fa0b91cfff36 (diff) | |
| download | linux-44ae3ab3358e962039c36ad4ae461ae9fb29596c.tar.xz | |
powerpc: Free up some CPU feature bits by moving out MMU-related features
Some of the 64bit PPC CPU features are MMU-related, so this patch moves
them to MMU_FTR_ bits. All cpu_has_feature()-style tests are moved to
mmu_has_feature(), and seven feature bits are freed as a result.
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/iseries/exception.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/setup.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S index 32a56c6dfa72..a67984c04954 100644 --- a/arch/powerpc/platforms/iseries/exception.S +++ b/arch/powerpc/platforms/iseries/exception.S @@ -31,6 +31,7 @@ #include <asm/thread_info.h> #include <asm/ptrace.h> #include <asm/cputable.h> +#include <asm/mmu.h> #include "exception.h" @@ -157,7 +158,7 @@ BEGIN_FTR_SECTION FTR_SECTION_ELSE EXCEPTION_PROLOG_1(PACA_EXGEN) EXCEPTION_PROLOG_ISERIES_1 -ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB) +ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_SLB) b data_access_common .do_stab_bolted_iSeries: diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 2946ae10fbfd..81cb8d2c4132 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -249,7 +249,7 @@ static unsigned long iSeries_process_mainstore_vpd(struct MemoryBlock *mb_array, unsigned long i; unsigned long mem_blocks = 0; - if (cpu_has_feature(CPU_FTR_SLB)) + if (mmu_has_feature(MMU_FTR_SLB)) mem_blocks = iSeries_process_Regatta_mainstore_vpd(mb_array, max_entries); else @@ -634,7 +634,7 @@ static int __init iseries_probe(void) hpte_init_iSeries(); /* iSeries does not support 16M pages */ - cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE; + cur_cpu_spec->mmu_features &= ~MMU_FTR_16M_PAGE; return 1; } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index ca5d5898d320..6f0ed3aac77f 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -573,7 +573,7 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local) unsigned long i, pix, rc; unsigned long flags = 0; struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); - int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE); + int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE); unsigned long param[9]; unsigned long va; unsigned long hash, index, shift, hidx, slot; |