diff options
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 3 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/pgtable-bits.h | 18 | ||||
| -rw-r--r-- | arch/mips/include/asm/pgtable.h | 12 | ||||
| -rw-r--r-- | arch/mips/mm/cache.c | 2 | ||||
| -rw-r--r-- | arch/mips/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/mips/mm/tlb-r4k.c | 2 | ||||
| -rw-r--r-- | arch/mips/mm/tlbex.c | 14 |
8 files changed, 26 insertions, 29 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 3af9aca65ab..63002a240c7 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -98,9 +98,6 @@ #ifndef cpu_has_rixi #define cpu_has_rixi (cpu_data[0].options & MIPS_CPU_RIXI) #endif -#ifndef kernel_uses_smartmips_rixi -#define kernel_uses_smartmips_rixi 0 -#endif #ifndef cpu_has_vtag_icache #define cpu_has_vtag_icache (cpu_data[0].icache.flags & MIPS_CACHE_VTAG) #endif diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index a58addb98cf..375ad0c815f 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -58,7 +58,7 @@ #define cpu_has_veic 0 #define cpu_hwrena_impl_bits 0xc0000000 -#define kernel_uses_smartmips_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) +#define cpu_has_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) #define ARCH_HAS_IRQ_PER_CPU 1 #define ARCH_HAS_SPINLOCK_PREFETCH 1 diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h index e9fe7e97ce4..da4ba49adcf 100644 --- a/arch/mips/include/asm/pgtable-bits.h +++ b/arch/mips/include/asm/pgtable-bits.h @@ -79,9 +79,9 @@ /* implemented in software */ #define _PAGE_PRESENT_SHIFT (0) #define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT) -/* implemented in software, should be unused if kernel_uses_smartmips_rixi. */ -#define _PAGE_READ_SHIFT (kernel_uses_smartmips_rixi ? _PAGE_PRESENT_SHIFT : _PAGE_PRESENT_SHIFT + 1) -#define _PAGE_READ ({if (kernel_uses_smartmips_rixi) BUG(); 1 << _PAGE_READ_SHIFT; }) +/* implemented in software, should be unused if cpu_has_rixi. */ +#define _PAGE_READ_SHIFT (cpu_has_rixi ? _PAGE_PRESENT_SHIFT : _PAGE_PRESENT_SHIFT + 1) +#define _PAGE_READ ({BUG_ON(cpu_has_rixi); 1 << _PAGE_READ_SHIFT; }) /* implemented in software */ #define _PAGE_WRITE_SHIFT (_PAGE_READ_SHIFT + 1) #define _PAGE_WRITE (1 << _PAGE_WRITE_SHIFT) @@ -104,12 +104,12 @@ #endif /* Page cannot be executed */ -#define _PAGE_NO_EXEC_SHIFT (kernel_uses_smartmips_rixi ? _PAGE_HUGE_SHIFT + 1 : _PAGE_HUGE_SHIFT) -#define _PAGE_NO_EXEC ({if (!kernel_uses_smartmips_rixi) BUG(); 1 << _PAGE_NO_EXEC_SHIFT; }) +#define _PAGE_NO_EXEC_SHIFT (cpu_has_rixi ? _PAGE_HUGE_SHIFT + 1 : _PAGE_HUGE_SHIFT) +#define _PAGE_NO_EXEC ({BUG_ON(!cpu_has_rixi); 1 << _PAGE_NO_EXEC_SHIFT; }) /* Page cannot be read */ -#define _PAGE_NO_READ_SHIFT (kernel_uses_smartmips_rixi ? _PAGE_NO_EXEC_SHIFT + 1 : _PAGE_NO_EXEC_SHIFT) -#define _PAGE_NO_READ ({if (!kernel_uses_smartmips_rixi) BUG(); 1 << _PAGE_NO_READ_SHIFT; }) +#define _PAGE_NO_READ_SHIFT (cpu_has_rixi ? _PAGE_NO_EXEC_SHIFT + 1 : _PAGE_NO_EXEC_SHIFT) +#define _PAGE_NO_READ ({BUG_ON(!cpu_has_rixi); 1 << _PAGE_NO_READ_SHIFT; }) #define _PAGE_GLOBAL_SHIFT (_PAGE_NO_READ_SHIFT + 1) #define _PAGE_GLOBAL (1 << _PAGE_GLOBAL_SHIFT) @@ -155,7 +155,7 @@ */ static inline uint64_t pte_to_entrylo(unsigned long pte_val) { - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { int sa; #ifdef CONFIG_32BIT sa = 31 - _PAGE_NO_READ_SHIFT; @@ -220,7 +220,7 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val) #endif -#define __READABLE (_PAGE_SILENT_READ | _PAGE_ACCESSED | (kernel_uses_smartmips_rixi ? 0 : _PAGE_READ)) +#define __READABLE (_PAGE_SILENT_READ | _PAGE_ACCESSED | (cpu_has_rixi ? 0 : _PAGE_READ)) #define __WRITEABLE (_PAGE_WRITE | _PAGE_SILENT_WRITE | _PAGE_MODIFIED) #define _PAGE_CHG_MASK (_PFN_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED | _CACHE_MASK) diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index b2202a68cf0..c02158be836 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -22,15 +22,15 @@ struct mm_struct; struct vm_area_struct; #define PAGE_NONE __pgprot(_PAGE_PRESENT | _CACHE_CACHABLE_NONCOHERENT) -#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_WRITE | (kernel_uses_smartmips_rixi ? 0 : _PAGE_READ) | \ +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_WRITE | (cpu_has_rixi ? 0 : _PAGE_READ) | \ _page_cachable_default) -#define PAGE_COPY __pgprot(_PAGE_PRESENT | (kernel_uses_smartmips_rixi ? 0 : _PAGE_READ) | \ - (kernel_uses_smartmips_rixi ? _PAGE_NO_EXEC : 0) | _page_cachable_default) -#define PAGE_READONLY __pgprot(_PAGE_PRESENT | (kernel_uses_smartmips_rixi ? 0 : _PAGE_READ) | \ +#define PAGE_COPY __pgprot(_PAGE_PRESENT | (cpu_has_rixi ? 0 : _PAGE_READ) | \ + (cpu_has_rixi ? _PAGE_NO_EXEC : 0) | _page_cachable_default) +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | (cpu_has_rixi ? 0 : _PAGE_READ) | \ _page_cachable_default) #define PAGE_KERNEL __pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \ _PAGE_GLOBAL | _page_cachable_default) -#define PAGE_USERIO __pgprot(_PAGE_PRESENT | (kernel_uses_smartmips_rixi ? 0 : _PAGE_READ) | _PAGE_WRITE | \ +#define PAGE_USERIO __pgprot(_PAGE_PRESENT | (cpu_has_rixi ? 0 : _PAGE_READ) | _PAGE_WRITE | \ _page_cachable_default) #define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \ __WRITEABLE | _PAGE_GLOBAL | _CACHE_UNCACHED) @@ -299,7 +299,7 @@ static inline pte_t pte_mkdirty(pte_t pte) static inline pte_t pte_mkyoung(pte_t pte) { pte_val(pte) |= _PAGE_ACCESSED; - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { if (!(pte_val(pte) & _PAGE_NO_READ)) pte_val(pte) |= _PAGE_SILENT_READ; } else { diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 829320c7b17..07cec4407b0 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -142,7 +142,7 @@ EXPORT_SYMBOL(_page_cachable_default); static inline void setup_protection_map(void) { - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { protection_map[0] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); protection_map[1] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC); protection_map[2] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ); diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index c14f6dfed99..7a19957735e 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -114,7 +114,7 @@ good_area: if (!(vma->vm_flags & VM_WRITE)) goto bad_area; } else { - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { if (address == regs->cp0_epc && !(vma->vm_flags & VM_EXEC)) { #if 0 pr_notice("Cpu%d[%s:%d:%0*lx:%ld:%0*lx] XI violation\n", diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index d2572cb232d..87b9cfcc30f 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -401,7 +401,7 @@ void __cpuinit tlb_init(void) current_cpu_type() == CPU_R14000) write_c0_framemask(0); - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { /* * Enable the no read, no exec bits, and enable large virtual * address. diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 03eb0ef9158..1832f17e6be 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -586,7 +586,7 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l, static __cpuinit __maybe_unused void build_convert_pte_to_entrylo(u32 **p, unsigned int reg) { - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { UASM_i_SRL(p, reg, reg, ilog2(_PAGE_NO_EXEC)); UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL) - ilog2(_PAGE_NO_EXEC)); } else { @@ -990,7 +990,7 @@ static void __cpuinit build_update_entries(u32 **p, unsigned int tmp, if (cpu_has_64bits) { uasm_i_ld(p, tmp, 0, ptep); /* get even pte */ uasm_i_ld(p, ptep, sizeof(pte_t), ptep); /* get odd pte */ - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { UASM_i_SRL(p, tmp, tmp, ilog2(_PAGE_NO_EXEC)); UASM_i_SRL(p, ptep, ptep, ilog2(_PAGE_NO_EXEC)); UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL) - ilog2(_PAGE_NO_EXEC)); @@ -1017,7 +1017,7 @@ static void __cpuinit build_update_entries(u32 **p, unsigned int tmp, UASM_i_LW(p, ptep, sizeof(pte_t), ptep); /* get odd pte */ if (r45k_bvahwbug()) build_tlb_probe_entry(p); - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { UASM_i_SRL(p, tmp, tmp, ilog2(_PAGE_NO_EXEC)); UASM_i_SRL(p, ptep, ptep, ilog2(_PAGE_NO_EXEC)); UASM_i_ROTR(p, tmp, tmp, ilog2(_PAGE_GLOBAL) - ilog2(_PAGE_NO_EXEC)); @@ -1183,7 +1183,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l, UASM_i_LW(p, even, 0, ptr); /* get even pte */ UASM_i_LW(p, odd, sizeof(pte_t), ptr); /* get odd pte */ } - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { uasm_i_dsrl_safe(p, even, even, ilog2(_PAGE_NO_EXEC)); uasm_i_dsrl_safe(p, odd, odd, ilog2(_PAGE_NO_EXEC)); uasm_i_drotr(p, even, even, @@ -1545,7 +1545,7 @@ build_pte_present(u32 **p, struct uasm_reloc **r, { int t = scratch >= 0 ? scratch : pte; - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { if (use_bbit_insns()) { uasm_il_bbit0(p, r, pte, ilog2(_PAGE_PRESENT), lid); uasm_i_nop(p); @@ -1875,7 +1875,7 @@ static void __cpuinit build_r4000_tlb_load_handler(void) if (m4kc_tlbp_war()) build_tlb_probe_entry(&p); - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { /* * If the page is not _PAGE_VALID, RI or XI could not * have triggered it. Skip the expensive test.. @@ -1929,7 +1929,7 @@ static void __cpuinit build_r4000_tlb_load_handler(void) build_pte_present(&p, &r, wr.r1, wr.r2, wr.r3, label_nopage_tlbl); build_tlb_probe_entry(&p); - if (kernel_uses_smartmips_rixi) { + if (cpu_has_rixi) { /* * If the page is not _PAGE_VALID, RI or XI could not * have triggered it. Skip the expensive test.. |