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[POWERPC] Fix cputable.h for combined build

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Remove CPU_FTR_16M_PAGE from the cupfeatures mask at runtime on iSeries.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell 2006-11-30 11:46:22 +11:00 committed by Paul Mackerras
parent 80814be40e
commit 0470466dba
3 changed files with 6 additions and 11 deletions
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2
arch/powerpc/mm/hash_utils_64.c
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@ -277,7 +277,7 @@ static void __init htab_init_page_sizes(void)
* Not in the device-tree, let's fallback on known size
* list for 16M capable GP & GR
*/
if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries))
if (cpu_has_feature(CPU_FTR_16M_PAGE))
memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
sizeof(mmu_psize_defaults_gp));
found:

2
arch/powerpc/platforms/iseries/setup.c
View File

@ -643,6 +643,8 @@ static int __init iseries_probe(void)
return 0;
hpte_init_iSeries();
/* iSeries does not support 16M pages */
cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE;
return 1;
}

13
include/asm-powerpc/cputable.h
View File

@ -155,16 +155,9 @@ extern void do_feature_fixups(unsigned long value, void *fixup_start,
#ifndef __ASSEMBLY__
#define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
CPU_FTR_NODSISRALIGN)
/* iSeries doesn't support large pages */
#ifdef CONFIG_PPC_ISERIES
#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE)
#else
#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
#endif /* CONFIG_PPC_ISERIES */
#define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_SLB | \
CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE)
/* We only set the altivec features if the kernel was compiled with altivec
* support