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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:08 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:46 +1000 |
| commit | d8c476eeb697c9aac46b390e9cbd7af7032814f1 (patch) | |
| tree | a58acc1b5e8eae2968e985fea3ee23594bcb3175 /arch/powerpc/platforms/pseries/lpar.c | |
| parent | powerpc/mm/radix: Use STD_MMU_64 to properly isolate hash related code (diff) | |
| download | linux-dev-d8c476eeb697c9aac46b390e9cbd7af7032814f1.tar.xz linux-dev-d8c476eeb697c9aac46b390e9cbd7af7032814f1.zip | |
powerpc/mm/radix: Isolate hash table function from pseries guest code
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index e4ceba2b1551..7f6100d91b4b 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -89,18 +89,21 @@ void vpa_init(int cpu) "%lx failed with %ld\n", cpu, hwcpu, addr, ret); return; } + +#ifdef CONFIG_PPC_STD_MMU_64 /* * PAPR says this feature is SLB-Buffer but firmware never * reports that. All SPLPAR support SLB shadow buffer. */ - addr = __pa(paca[cpu].slb_shadow_ptr); - if (firmware_has_feature(FW_FEATURE_SPLPAR)) { + if (!radix_enabled() && firmware_has_feature(FW_FEATURE_SPLPAR)) { + addr = __pa(paca[cpu].slb_shadow_ptr); ret = register_slb_shadow(hwcpu, addr); if (ret) pr_err("WARNING: SLB shadow buffer registration for " "cpu %d (hw %d) of area %lx failed with %ld\n", cpu, hwcpu, addr, ret); } +#endif /* CONFIG_PPC_STD_MMU_64 */ /* * Register dispatch trace log, if one has been allocated. @@ -123,6 +126,8 @@ void vpa_init(int cpu) } } +#ifdef CONFIG_PPC_STD_MMU_64 + static long pSeries_lpar_hpte_insert(unsigned long hpte_group, unsigned long vpn, unsigned long pa, unsigned long rflags, unsigned long vflags, @@ -655,6 +660,8 @@ static void pSeries_set_page_state(struct page *page, int order, void arch_free_page(struct page *page, int order) { + if (radix_enabled()) + return; if (!cmo_free_hint_flag || !firmware_has_feature(FW_FEATURE_CMO)) return; @@ -662,7 +669,8 @@ void arch_free_page(struct page *page, int order) } EXPORT_SYMBOL(arch_free_page); -#endif +#endif /* CONFIG_PPC_SMLPAR */ +#endif /* CONFIG_PPC_STD_MMU_64 */ #ifdef CONFIG_TRACEPOINTS #ifdef HAVE_JUMP_LABEL |