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| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/powerpc/mm/hash_utils_64.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
| download | op-kernel-dev-6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e.zip op-kernel-dev-6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e.tar.gz | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/mm/hash_utils_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 2d28218..377e5cb 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -40,7 +40,6 @@ #include <asm/mmu_context.h> #include <asm/page.h> #include <asm/types.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/machdep.h> #include <asm/prom.h> @@ -55,6 +54,8 @@ #include <asm/spu.h> #include <asm/udbg.h> #include <asm/code-patching.h> +#include <asm/fadump.h> +#include <asm/firmware.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -625,6 +626,16 @@ static void __init htab_initialize(void) /* Using a hypervisor which owns the htab */ htab_address = NULL; _SDR1 = 0; +#ifdef CONFIG_FA_DUMP + /* + * If firmware assisted dump is active firmware preserves + * the contents of htab along with entire partition memory. + * Clear the htab if firmware assisted dump is active so + * that we dont end up using old mappings. + */ + if (is_fadump_active() && ppc_md.hpte_clear_all) + ppc_md.hpte_clear_all(); +#endif } else { /* Find storage for the HPT. Must be contiguous in * the absolute address space. On cell we want it to be @@ -745,12 +756,9 @@ void __init early_init_mmu(void) */ htab_initialize(); - /* Initialize stab / SLB management except on iSeries - */ + /* Initialize stab / SLB management */ if (mmu_has_feature(MMU_FTR_SLB)) slb_initialize(); - else if (!firmware_has_feature(FW_FEATURE_ISERIES)) - stab_initialize(get_paca()->stab_real); } #ifdef CONFIG_SMP @@ -761,8 +769,7 @@ void __cpuinit early_init_mmu_secondary(void) mtspr(SPRN_SDR1, _SDR1); /* Initialize STAB/SLB. We use a virtual address as it works - * in real mode on pSeries and we want a virtual address on - * iSeries anyway + * in real mode on pSeries. */ if (mmu_has_feature(MMU_FTR_SLB)) slb_initialize(); |
