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-rw-r--r--arch/mips/mm/c-r4k.c10
-rw-r--r--arch/mips/mm/fault.c2
-rw-r--r--arch/mips/mm/init.c19
-rw-r--r--arch/mips/mm/tlbex.c96
4 files changed, 68 insertions, 59 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 971f6c047b8..d7088331fb0 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -983,11 +983,15 @@ static void __init probe_pcache(void)
printk("Primary instruction cache %ldkB, %s, %s, linesize %d bytes.\n",
icache_size >> 10,
- cpu_has_vtag_icache ? "virtually tagged" : "physically tagged",
+ cpu_has_vtag_icache ? "VIVT" : "VIPT",
way_string[c->icache.ways], c->icache.linesz);
- printk("Primary data cache %ldkB, %s, linesize %d bytes.\n",
- dcache_size >> 10, way_string[c->dcache.ways], c->dcache.linesz);
+ printk("Primary data cache %ldkB, %s, %s, %s, linesize %d bytes\n",
+ dcache_size >> 10, way_string[c->dcache.ways],
+ (c->dcache.flags & MIPS_CACHE_PINDEX) ? "PIPT" : "VIPT",
+ (c->dcache.flags & MIPS_CACHE_ALIASES) ?
+ "cache aliases" : "no aliases",
+ c->dcache.linesz);
}
/*
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 521771b373d..5699c7713e2 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -180,7 +180,7 @@ out_of_memory:
}
printk("VM: killing process %s\n", tsk->comm);
if (user_mode(regs))
- do_exit(SIGKILL);
+ do_group_exit(SIGKILL);
goto no_context;
do_sigbus:
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 5240432e6d1..110ee7656b4 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -211,7 +211,7 @@ void copy_user_highpage(struct page *to, struct page *from,
void *vfrom, *vto;
vto = kmap_atomic(to, KM_USER1);
- if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) {
+ if (cpu_has_dc_aliases && page_mapped(from)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
kunmap_coherent();
@@ -234,12 +234,15 @@ void copy_to_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- if (cpu_has_dc_aliases) {
+ if (cpu_has_dc_aliases && page_mapped(page)) {
void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(vto, src, len);
kunmap_coherent();
- } else
+ } else {
memcpy(dst, src, len);
+ if (cpu_has_dc_aliases)
+ SetPageDcacheDirty(page);
+ }
if ((vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc)
flush_cache_page(vma, vaddr, page_to_pfn(page));
}
@@ -250,13 +253,15 @@ void copy_from_user_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr, void *dst, const void *src,
unsigned long len)
{
- if (cpu_has_dc_aliases) {
- void *vfrom =
- kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
+ if (cpu_has_dc_aliases && page_mapped(page)) {
+ void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
memcpy(dst, vfrom, len);
kunmap_coherent();
- } else
+ } else {
memcpy(dst, src, len);
+ if (cpu_has_dc_aliases)
+ SetPageDcacheDirty(page);
+ }
}
EXPORT_SYMBOL(copy_from_user_page);
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 01b0961acfb..a61246d3533 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -66,7 +66,7 @@ static inline int __maybe_unused r10000_llsc_war(void)
* why; it's not an issue caused by the core RTL.
*
*/
-static int __init m4kc_tlbp_war(void)
+static __init int __attribute__((unused)) m4kc_tlbp_war(void)
{
return (current_cpu_data.processor_id & 0xffff00) ==
(PRID_COMP_MIPS | PRID_IMP_4KC);
@@ -140,7 +140,7 @@ struct insn {
| (e) << RE_SH \
| (f) << FUNC_SH)
-static struct insn insn_table[] __initdata = {
+static __initdata struct insn insn_table[] = {
{ insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD },
{ insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD },
@@ -193,7 +193,7 @@ static struct insn insn_table[] __initdata = {
#undef M
-static u32 __init build_rs(u32 arg)
+static __init u32 build_rs(u32 arg)
{
if (arg & ~RS_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -201,7 +201,7 @@ static u32 __init build_rs(u32 arg)
return (arg & RS_MASK) << RS_SH;
}
-static u32 __init build_rt(u32 arg)
+static __init u32 build_rt(u32 arg)
{
if (arg & ~RT_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -209,7 +209,7 @@ static u32 __init build_rt(u32 arg)
return (arg & RT_MASK) << RT_SH;
}
-static u32 __init build_rd(u32 arg)
+static __init u32 build_rd(u32 arg)
{
if (arg & ~RD_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -217,7 +217,7 @@ static u32 __init build_rd(u32 arg)
return (arg & RD_MASK) << RD_SH;
}
-static u32 __init build_re(u32 arg)
+static __init u32 build_re(u32 arg)
{
if (arg & ~RE_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -225,7 +225,7 @@ static u32 __init build_re(u32 arg)
return (arg & RE_MASK) << RE_SH;
}
-static u32 __init build_simm(s32 arg)
+static __init u32 build_simm(s32 arg)
{
if (arg > 0x7fff || arg < -0x8000)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -233,7 +233,7 @@ static u32 __init build_simm(s32 arg)
return arg & 0xffff;
}
-static u32 __init build_uimm(u32 arg)
+static __init u32 build_uimm(u32 arg)
{
if (arg & ~IMM_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -241,7 +241,7 @@ static u32 __init build_uimm(u32 arg)
return arg & IMM_MASK;
}
-static u32 __init build_bimm(s32 arg)
+static __init u32 build_bimm(s32 arg)
{
if (arg > 0x1ffff || arg < -0x20000)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -252,7 +252,7 @@ static u32 __init build_bimm(s32 arg)
return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff);
}
-static u32 __init build_jimm(u32 arg)
+static __init u32 build_jimm(u32 arg)
{
if (arg & ~((JIMM_MASK) << 2))
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -260,7 +260,7 @@ static u32 __init build_jimm(u32 arg)
return (arg >> 2) & JIMM_MASK;
}
-static u32 __init build_func(u32 arg)
+static __init u32 build_func(u32 arg)
{
if (arg & ~FUNC_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -268,7 +268,7 @@ static u32 __init build_func(u32 arg)
return arg & FUNC_MASK;
}
-static u32 __init build_set(u32 arg)
+static __init u32 build_set(u32 arg)
{
if (arg & ~SET_MASK)
printk(KERN_WARNING "TLB synthesizer field overflow\n");
@@ -315,69 +315,69 @@ static void __init build_insn(u32 **buf, enum opcode opc, ...)
}
#define I_u1u2u3(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b, unsigned int c) \
{ \
build_insn(buf, insn##op, a, b, c); \
}
#define I_u2u1u3(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b, unsigned int c) \
{ \
build_insn(buf, insn##op, b, a, c); \
}
#define I_u3u1u2(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b, unsigned int c) \
{ \
build_insn(buf, insn##op, b, c, a); \
}
#define I_u1u2s3(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b, signed int c) \
{ \
build_insn(buf, insn##op, a, b, c); \
}
#define I_u2s3u1(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
signed int b, unsigned int c) \
{ \
build_insn(buf, insn##op, c, a, b); \
}
#define I_u2u1s3(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b, signed int c) \
{ \
build_insn(buf, insn##op, b, a, c); \
}
#define I_u1u2(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
unsigned int b) \
{ \
build_insn(buf, insn##op, a, b); \
}
#define I_u1s2(op) \
- static inline void i##op(u32 **buf, unsigned int a, \
+ static inline void __init i##op(u32 **buf, unsigned int a, \
signed int b) \
{ \
build_insn(buf, insn##op, a, b); \
}
#define I_u1(op) \
- static inline void i##op(u32 **buf, unsigned int a) \
+ static inline void __init i##op(u32 **buf, unsigned int a) \
{ \
build_insn(buf, insn##op, a); \
}
#define I_0(op) \
- static inline void i##op(u32 **buf) \
+ static inline void __init i##op(u32 **buf) \
{ \
build_insn(buf, insn##op); \
}
@@ -457,7 +457,7 @@ struct label {
enum label_id lab;
};
-static void __init build_label(struct label **lab, u32 *addr,
+static __init void build_label(struct label **lab, u32 *addr,
enum label_id l)
{
(*lab)->addr = addr;
@@ -526,34 +526,34 @@ L_LA(_r3000_write_probe_fail)
#define i_ehb(buf) i_sll(buf, 0, 0, 3)
#ifdef CONFIG_64BIT
-static int __init __maybe_unused in_compat_space_p(long addr)
+static __init int __maybe_unused in_compat_space_p(long addr)
{
/* Is this address in 32bit compat space? */
return (((addr) & 0xffffffff00000000L) == 0xffffffff00000000L);
}
-static int __init __maybe_unused rel_highest(long val)
+static __init int __maybe_unused rel_highest(long val)
{
return ((((val + 0x800080008000L) >> 48) & 0xffff) ^ 0x8000) - 0x8000;
}
-static int __init __maybe_unused rel_higher(long val)
+static __init int __maybe_unused rel_higher(long val)
{
return ((((val + 0x80008000L) >> 32) & 0xffff) ^ 0x8000) - 0x8000;
}
#endif
-static int __init rel_hi(long val)
+static __init int rel_hi(long val)
{
return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
}
-static int __init rel_lo(long val)
+static __init int rel_lo(long val)
{
return ((val & 0xffff) ^ 0x8000) - 0x8000;
}
-static void __init i_LA_mostly(u32 **buf, unsigned int rs, long addr)
+static __init void i_LA_mostly(u32 **buf, unsigned int rs, long addr)
{
#ifdef CONFIG_64BIT
if (!in_compat_space_p(addr)) {
@@ -571,7 +571,7 @@ static void __init i_LA_mostly(u32 **buf, unsigned int rs, long addr)
i_lui(buf, rs, rel_hi(addr));
}
-static void __init __maybe_unused i_LA(u32 **buf, unsigned int rs,
+static __init void __maybe_unused i_LA(u32 **buf, unsigned int rs,
long addr)
{
i_LA_mostly(buf, rs, addr);
@@ -589,7 +589,7 @@ struct reloc {
enum label_id lab;
};
-static void __init r_mips_pc16(struct reloc **rel, u32 *addr,
+static __init void r_mips_pc16(struct reloc **rel, u32 *addr,
enum label_id l)
{
(*rel)->addr = addr;
@@ -614,7 +614,7 @@ static inline void __resolve_relocs(struct reloc *rel, struct label *lab)
}
}
-static void __init resolve_relocs(struct reloc *rel, struct label *lab)
+static __init void resolve_relocs(struct reloc *rel, struct label *lab)
{
struct label *l;
@@ -624,7 +624,7 @@ static void __init resolve_relocs(struct reloc *rel, struct label *lab)
__resolve_relocs(rel, l);
}
-static void __init move_relocs(struct reloc *rel, u32 *first, u32 *end,
+static __init void move_relocs(struct reloc *rel, u32 *first, u32 *end,
long off)
{
for (; rel->lab != label_invalid; rel++)
@@ -632,7 +632,7 @@ static void __init move_relocs(struct reloc *rel, u32 *first, u32 *end,
rel->addr += off;
}
-static void __init move_labels(struct label *lab, u32 *first, u32 *end,
+static __init void move_labels(struct label *lab, u32 *first, u32 *end,
long off)
{
for (; lab->lab != label_invalid; lab++)
@@ -640,7 +640,7 @@ static void __init move_labels(struct label *lab, u32 *first, u32 *end,
lab->addr += off;
}
-static void __init copy_handler(struct reloc *rel, struct label *lab,
+static __init void copy_handler(struct reloc *rel, struct label *lab,
u32 *first, u32 *end, u32 *target)
{
long off = (long)(target - first);
@@ -651,7 +651,7 @@ static void __init copy_handler(struct reloc *rel, struct label *lab,
move_labels(lab, first, end, off);
}
-static int __init __maybe_unused insn_has_bdelay(struct reloc *rel,
+static __init int __maybe_unused insn_has_bdelay(struct reloc *rel,
u32 *addr)
{
for (; rel->lab != label_invalid; rel++) {
@@ -743,11 +743,11 @@ il_bgez(u32 **p, struct reloc **r, unsigned int reg, enum label_id l)
* We deliberately chose a buffer size of 128, so we won't scribble
* over anything important on overflow before we panic.
*/
-static u32 tlb_handler[128] __initdata;
+static __initdata u32 tlb_handler[128];
/* simply assume worst case size for labels and relocs */
-static struct label labels[128] __initdata;
-static struct reloc relocs[128] __initdata;
+static __initdata struct label labels[128];
+static __initdata struct reloc relocs[128];
/*
* The R3000 TLB handler is simple.
@@ -801,7 +801,7 @@ static void __init build_r3000_tlb_refill_handler(void)
* other one.To keep things simple, we first assume linear space,
* then we relocate it to the final handler layout as needed.
*/
-static u32 final_handler[64] __initdata;
+static __initdata u32 final_handler[64];
/*
* Hazards
@@ -825,7 +825,7 @@ static u32 final_handler[64] __initdata;
*
* As if we MIPS hackers wouldn't know how to nop pipelines happy ...
*/
-static void __init __maybe_unused build_tlb_probe_entry(u32 **p)
+static __init void __maybe_unused build_tlb_probe_entry(u32 **p)
{
switch (current_cpu_type()) {
/* Found by experiment: R4600 v2.0 needs this, too. */
@@ -849,7 +849,7 @@ static void __init __maybe_unused build_tlb_probe_entry(u32 **p)
*/
enum tlb_write_entry { tlb_random, tlb_indexed };
-static void __init build_tlb_write_entry(u32 **p, struct label **l,
+static __init void build_tlb_write_entry(u32 **p, struct label **l,
struct reloc **r,
enum tlb_write_entry wmode)
{
@@ -993,7 +993,7 @@ static void __init build_tlb_write_entry(u32 **p, struct label **l,
* TMP and PTR are scratch.
* TMP will be clobbered, PTR will hold the pmd entry.
*/
-static void __init
+static __init void
build_get_pmde64(u32 **p, struct label **l, struct reloc **r,
unsigned int tmp, unsigned int ptr)
{
@@ -1054,7 +1054,7 @@ build_get_pmde64(u32 **p, struct label **l, struct reloc **r,
* BVADDR is the faulting address, PTR is scratch.
* PTR will hold the pgd for vmalloc.
*/
-static void __init
+static __init void
build_get_pgd_vmalloc64(u32 **p, struct label **l, struct reloc **r,
unsigned int bvaddr, unsigned int ptr)
{
@@ -1118,7 +1118,7 @@ build_get_pgd_vmalloc64(u32 **p, struct label **l, struct reloc **r,
* TMP and PTR are scratch.
* TMP will be clobbered, PTR will hold the pgd entry.
*/
-static void __init __maybe_unused
+static __init void __maybe_unused
build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr)
{
long pgdc = (long)pgd_current;
@@ -1153,7 +1153,7 @@ build_get_pgde32(u32 **p, unsigned int tmp, unsigned int ptr)
#endif /* !CONFIG_64BIT */
-static void __init build_adjust_context(u32 **p, unsigned int ctx)
+static __init void build_adjust_context(u32 **p, unsigned int ctx)
{
unsigned int shift = 4 - (PTE_T_LOG2 + 1) + PAGE_SHIFT - 12;
unsigned int mask = (PTRS_PER_PTE / 2 - 1) << (PTE_T_LOG2 + 1);
@@ -1179,7 +1179,7 @@ static void __init build_adjust_context(u32 **p, unsigned int ctx)
i_andi(p, ctx, ctx, mask);
}
-static void __init build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr)
+static __init void build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr)
{
/*
* Bug workaround for the Nevada. It seems as if under certain
@@ -1204,7 +1204,7 @@ static void __init build_get_ptep(u32 **p, unsigned int tmp, unsigned int ptr)
i_ADDU(p, ptr, ptr, tmp); /* add in offset */
}
-static void __init build_update_entries(u32 **p, unsigned int tmp,
+static __init void build_update_entries(u32 **p, unsigned int tmp,
unsigned int ptep)
{
/*