diff options
Diffstat (limited to 'arch/powerpc/mm/nohash')
| -rw-r--r-- | arch/powerpc/mm/nohash/40x.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/book3e_hugetlbpage.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/fsl_book3e.c | 22 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/kaslr_booke.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/mmu_context.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/mm/nohash/tlb.c | 6 |
6 files changed, 15 insertions, 30 deletions
diff --git a/arch/powerpc/mm/nohash/40x.c b/arch/powerpc/mm/nohash/40x.c index 95751c322f6c..b32e465a3d52 100644 --- a/arch/powerpc/mm/nohash/40x.c +++ b/arch/powerpc/mm/nohash/40x.c @@ -32,7 +32,6 @@ #include <linux/highmem.h> #include <linux/memblock.h> -#include <asm/prom.h> #include <asm/io.h> #include <asm/mmu_context.h> #include <asm/mmu.h> diff --git a/arch/powerpc/mm/nohash/book3e_hugetlbpage.c b/arch/powerpc/mm/nohash/book3e_hugetlbpage.c index 8b88be91b622..307ca919d393 100644 --- a/arch/powerpc/mm/nohash/book3e_hugetlbpage.c +++ b/arch/powerpc/mm/nohash/book3e_hugetlbpage.c @@ -142,7 +142,7 @@ book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea, pte_t pte) tsize = shift - 10; /* * We can't be interrupted while we're setting up the MAS - * regusters or after we've confirmed that no tlb exists. + * registers or after we've confirmed that no tlb exists. */ local_irq_save(flags); diff --git a/arch/powerpc/mm/nohash/fsl_book3e.c b/arch/powerpc/mm/nohash/fsl_book3e.c index dfe715e0f70a..b8ae6c08c06f 100644 --- a/arch/powerpc/mm/nohash/fsl_book3e.c +++ b/arch/powerpc/mm/nohash/fsl_book3e.c @@ -36,8 +36,8 @@ #include <linux/delay.h> #include <linux/highmem.h> #include <linux/memblock.h> +#include <linux/of_fdt.h> -#include <asm/prom.h> #include <asm/io.h> #include <asm/mmu_context.h> #include <asm/mmu.h> @@ -51,10 +51,9 @@ unsigned int tlbcam_index; -#define NUM_TLBCAMS (64) struct tlbcam TLBCAM[NUM_TLBCAMS]; -struct tlbcamrange { +static struct { unsigned long start; unsigned long limit; phys_addr_t phys; @@ -274,7 +273,7 @@ void __init adjust_total_lowmem(void) i = switch_to_as1(); __max_low_memory = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, false, true); - restore_to_as0(i, 0, 0, 1); + restore_to_as0(i, 0, NULL, 1); pr_info("Memory CAM mapping: "); for (i = 0; i < tlbcam_index - 1; i++) @@ -288,21 +287,18 @@ void __init adjust_total_lowmem(void) #ifdef CONFIG_STRICT_KERNEL_RWX void mmu_mark_rodata_ro(void) { - /* Everything is done in mmu_mark_initmem_nx() */ -} -#endif - -void mmu_mark_initmem_nx(void) -{ unsigned long remapped; - if (!strict_kernel_rwx_enabled()) - return; - remapped = map_mem_in_cams(__max_low_memory, CONFIG_LOWMEM_CAM_NUM, false, false); WARN_ON(__max_low_memory != remapped); } +#endif + +void mmu_mark_initmem_nx(void) +{ + /* Everything is done in mmu_mark_rodata_ro() */ +} void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) diff --git a/arch/powerpc/mm/nohash/kaslr_booke.c b/arch/powerpc/mm/nohash/kaslr_booke.c index 96c38f971603..1f3f9fedf1bc 100644 --- a/arch/powerpc/mm/nohash/kaslr_booke.c +++ b/arch/powerpc/mm/nohash/kaslr_booke.c @@ -14,8 +14,9 @@ #include <linux/memblock.h> #include <linux/libfdt.h> #include <linux/crash_core.h> +#include <linux/of.h> +#include <linux/of_fdt.h> #include <asm/cacheflush.h> -#include <asm/prom.h> #include <asm/kdump.h> #include <mm/mmu_decl.h> #include <generated/compile.h> @@ -315,7 +316,7 @@ static unsigned long __init kaslr_choose_location(void *dt_ptr, phys_addr_t size ram = map_mem_in_cams(ram, CONFIG_LOWMEM_CAM_NUM, true, true); linear_sz = min_t(unsigned long, ram, SZ_512M); - /* If the linear size is smaller than 64M, do not randmize */ + /* If the linear size is smaller than 64M, do not randomize */ if (linear_sz < SZ_64M) return 0; diff --git a/arch/powerpc/mm/nohash/mmu_context.c b/arch/powerpc/mm/nohash/mmu_context.c index 85b048f04c56..ccd5819b1bd9 100644 --- a/arch/powerpc/mm/nohash/mmu_context.c +++ b/arch/powerpc/mm/nohash/mmu_context.c @@ -317,15 +317,6 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next, */ int init_new_context(struct task_struct *t, struct mm_struct *mm) { - /* - * We have MMU_NO_CONTEXT set to be ~0. Hence check - * explicitly against context.id == 0. This ensures that we properly - * initialize context slice details for newly allocated mm's (which will - * have id == 0) and don't alter context slice inherited via fork (which - * will have id != 0). - */ - if (mm->context.id == 0) - slice_init_new_context_exec(mm); mm->context.id = MMU_NO_CONTEXT; mm->context.active = 0; pte_frag_set(&mm->context, NULL); diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index fd2c77af5c55..5e7ccb48b79c 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -358,6 +358,7 @@ void __init early_init_mmu_47x(void) /* * Flush kernel TLB entries in the given range */ +#ifndef CONFIG_PPC_8xx void flush_tlb_kernel_range(unsigned long start, unsigned long end) { #ifdef CONFIG_SMP @@ -370,6 +371,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end) #endif } EXPORT_SYMBOL(flush_tlb_kernel_range); +#endif /* * Currently, for range flushing, we just do a full mm flush. This should @@ -773,9 +775,5 @@ void __init early_init_mmu(void) #ifdef CONFIG_PPC_47x early_init_mmu_47x(); #endif - -#ifdef CONFIG_PPC_MM_SLICES - mm_ctx_set_slb_addr_limit(&init_mm.context, SLB_ADDR_LIMIT_DEFAULT); -#endif } #endif /* CONFIG_PPC64 */ |