From: "Steven J. Hill" <sjhill@xxxxxxxx>
Remove usage of the 'kernel_uses_smartmips_rixi' macro from all files
and use new 'cpu_has_rixi' instead.
Signed-off-by: Steven J. Hill <sjhill@xxxxxxxx>
---
arch/mips/include/asm/cpu-features.h | 3 ---
.../asm/mach-cavium-octeon/cpu-feature-overrides.h | 2 +-
arch/mips/include/asm/pgtable-bits.h | 18 +++++++++---------
arch/mips/include/asm/pgtable.h | 12 ++++++------
arch/mips/mm/cache.c | 2 +-
arch/mips/mm/fault.c | 2 +-
arch/mips/mm/tlb-r4k.c | 2 +-
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 232cb1e..5a65870 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_mmips
#define cpu_has_mmips (cpu_data[0].options & MIPS_CPU_MICROMIPS)
#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 a58addb..375ad0c 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 e9fe7e9..2f99313 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 ({if (cpu_has_rixi) BUG(); 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 ({if (!cpu_has_rixi) BUG(); 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 ({if (!cpu_has_rixi) BUG(); 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 b2202a6..c02158b 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 ff910a1..d449d9a 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -183,7 +183,7 @@ 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 c14f6df..7a19957 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 d2572cb..87b9cfc 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 202908e..542dae1 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -601,7 +601,7 @@ 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 {
@@ -1021,7 +1021,7 @@ 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));
@@ -1048,7 +1048,7 @@ 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));
@@ -1214,7 +1214,7 @@ 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,
@@ -1576,7 +1576,7 @@ 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);
@@ -1906,7 +1906,7 @@ 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..
@@ -1960,7 +1960,7 @@ 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..
--
1.7.9.5
