aboutsummaryrefslogtreecommitdiffstats
path: root/arch/cris
diff options
context:
space:
mode:
authorTejun Heo <tj@kernel.org>2010-01-04 19:17:33 -0500
committerTejun Heo <tj@kernel.org>2010-01-04 19:17:33 -0500
commit32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch)
treeb1ce838a37044bb38dfc128e2116ca35630e629a /arch/cris
parent22b737f4c75197372d64afc6ed1bccd58c00e549 (diff)
parentc5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff)
Merge branch 'master' into percpu
Conflicts: arch/powerpc/platforms/pseries/hvCall.S include/linux/percpu.h
Diffstat (limited to 'arch/cris')
-rw-r--r--arch/cris/arch-v10/mm/fault.c3
-rw-r--r--arch/cris/arch-v10/mm/tlb.c22
-rw-r--r--arch/cris/arch-v32/kernel/head.S1
-rw-r--r--arch/cris/include/arch-v32/arch/spinlock.h62
-rw-r--r--arch/cris/include/asm/asm-offsets.h1
-rw-r--r--arch/cris/include/asm/cacheflush.h1
-rw-r--r--arch/cris/include/asm/elf.h2
-rw-r--r--arch/cris/include/asm/socket.h2
-rw-r--r--arch/cris/kernel/asm-offsets.c1
-rw-r--r--arch/cris/kernel/irq.c4
-rw-r--r--arch/cris/kernel/sys_cris.c30
-rw-r--r--arch/cris/kernel/vmlinux.lds.S1
-rw-r--r--arch/cris/mm/fault.c2
13 files changed, 42 insertions, 90 deletions
diff --git a/arch/cris/arch-v10/mm/fault.c b/arch/cris/arch-v10/mm/fault.c
index 087a2096f221..ed60588f8467 100644
--- a/arch/cris/arch-v10/mm/fault.c
+++ b/arch/cris/arch-v10/mm/fault.c
@@ -80,8 +80,7 @@ handle_mmu_bus_fault(struct pt_regs *regs)
80 * do_page_fault may have flushed the TLB so we have to restore 80 * do_page_fault may have flushed the TLB so we have to restore
81 * the MMU registers. 81 * the MMU registers.
82 */ 82 */
83 local_save_flags(flags); 83 local_irq_save(flags);
84 local_irq_disable();
85 pmd = (pmd_t *)(pgd + pgd_index(address)); 84 pmd = (pmd_t *)(pgd + pgd_index(address));
86 if (pmd_none(*pmd)) 85 if (pmd_none(*pmd))
87 goto exit; 86 goto exit;
diff --git a/arch/cris/arch-v10/mm/tlb.c b/arch/cris/arch-v10/mm/tlb.c
index 4a496e4ffacc..21d78c599bab 100644
--- a/arch/cris/arch-v10/mm/tlb.c
+++ b/arch/cris/arch-v10/mm/tlb.c
@@ -134,28 +134,6 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
134 local_irq_restore(flags); 134 local_irq_restore(flags);
135} 135}
136 136
137/* dump the entire TLB for debug purposes */
138
139#if 0
140void
141dump_tlb_all(void)
142{
143 int i;
144 unsigned long flags;
145
146 printk("TLB dump. LO is: pfn | reserved | global | valid | kernel | we |\n");
147
148 local_save_flags(flags);
149 local_irq_disable();
150 for(i = 0; i < NUM_TLB_ENTRIES; i++) {
151 *R_TLB_SELECT = ( IO_FIELD(R_TLB_SELECT, index, i) );
152 printk("Entry %d: HI 0x%08lx, LO 0x%08lx\n",
153 i, *R_TLB_HI, *R_TLB_LO);
154 }
155 local_irq_restore(flags);
156}
157#endif
158
159/* 137/*
160 * Initialize the context related info for a new mm_struct 138 * Initialize the context related info for a new mm_struct
161 * instance. 139 * instance.
diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S
index 3db478eb5155..76266f80a5f1 100644
--- a/arch/cris/arch-v32/kernel/head.S
+++ b/arch/cris/arch-v32/kernel/head.S
@@ -10,7 +10,6 @@
10 * The macros found in mmu_defs_asm.h uses the ## concatenation operator, so 10 * The macros found in mmu_defs_asm.h uses the ## concatenation operator, so
11 * -traditional must not be used when assembling this file. 11 * -traditional must not be used when assembling this file.
12 */ 12 */
13#include <linux/autoconf.h>
14#include <arch/memmap.h> 13#include <arch/memmap.h>
15#include <hwregs/reg_rdwr.h> 14#include <hwregs/reg_rdwr.h>
16#include <hwregs/intr_vect.h> 15#include <hwregs/intr_vect.h>
diff --git a/arch/cris/include/arch-v32/arch/spinlock.h b/arch/cris/include/arch-v32/arch/spinlock.h
index 367a53ea10c5..f171a6600fbc 100644
--- a/arch/cris/include/arch-v32/arch/spinlock.h
+++ b/arch/cris/include/arch-v32/arch/spinlock.h
@@ -9,12 +9,12 @@ extern void cris_spin_unlock(void *l, int val);
9extern void cris_spin_lock(void *l); 9extern void cris_spin_lock(void *l);
10extern int cris_spin_trylock(void *l); 10extern int cris_spin_trylock(void *l);
11 11
12static inline int __raw_spin_is_locked(raw_spinlock_t *x) 12static inline int arch_spin_is_locked(arch_spinlock_t *x)
13{ 13{
14 return *(volatile signed char *)(&(x)->slock) <= 0; 14 return *(volatile signed char *)(&(x)->slock) <= 0;
15} 15}
16 16
17static inline void __raw_spin_unlock(raw_spinlock_t *lock) 17static inline void arch_spin_unlock(arch_spinlock_t *lock)
18{ 18{
19 __asm__ volatile ("move.d %1,%0" \ 19 __asm__ volatile ("move.d %1,%0" \
20 : "=m" (lock->slock) \ 20 : "=m" (lock->slock) \
@@ -22,26 +22,26 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
22 : "memory"); 22 : "memory");
23} 23}
24 24
25static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock) 25static inline void arch_spin_unlock_wait(arch_spinlock_t *lock)
26{ 26{
27 while (__raw_spin_is_locked(lock)) 27 while (arch_spin_is_locked(lock))
28 cpu_relax(); 28 cpu_relax();
29} 29}
30 30
31static inline int __raw_spin_trylock(raw_spinlock_t *lock) 31static inline int arch_spin_trylock(arch_spinlock_t *lock)
32{ 32{
33 return cris_spin_trylock((void *)&lock->slock); 33 return cris_spin_trylock((void *)&lock->slock);
34} 34}
35 35
36static inline void __raw_spin_lock(raw_spinlock_t *lock) 36static inline void arch_spin_lock(arch_spinlock_t *lock)
37{ 37{
38 cris_spin_lock((void *)&lock->slock); 38 cris_spin_lock((void *)&lock->slock);
39} 39}
40 40
41static inline void 41static inline void
42__raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) 42arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
43{ 43{
44 __raw_spin_lock(lock); 44 arch_spin_lock(lock);
45} 45}
46 46
47/* 47/*
@@ -56,76 +56,76 @@ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
56 * 56 *
57 */ 57 */
58 58
59static inline int __raw_read_can_lock(raw_rwlock_t *x) 59static inline int arch_read_can_lock(arch_rwlock_t *x)
60{ 60{
61 return (int)(x)->lock > 0; 61 return (int)(x)->lock > 0;
62} 62}
63 63
64static inline int __raw_write_can_lock(raw_rwlock_t *x) 64static inline int arch_write_can_lock(arch_rwlock_t *x)
65{ 65{
66 return (x)->lock == RW_LOCK_BIAS; 66 return (x)->lock == RW_LOCK_BIAS;
67} 67}
68 68
69static inline void __raw_read_lock(raw_rwlock_t *rw) 69static inline void arch_read_lock(arch_rwlock_t *rw)
70{ 70{
71 __raw_spin_lock(&rw->slock); 71 arch_spin_lock(&rw->slock);
72 while (rw->lock == 0); 72 while (rw->lock == 0);
73 rw->lock--; 73 rw->lock--;
74 __raw_spin_unlock(&rw->slock); 74 arch_spin_unlock(&rw->slock);
75} 75}
76 76
77static inline void __raw_write_lock(raw_rwlock_t *rw) 77static inline void arch_write_lock(arch_rwlock_t *rw)
78{ 78{
79 __raw_spin_lock(&rw->slock); 79 arch_spin_lock(&rw->slock);
80 while (rw->lock != RW_LOCK_BIAS); 80 while (rw->lock != RW_LOCK_BIAS);
81 rw->lock = 0; 81 rw->lock = 0;
82 __raw_spin_unlock(&rw->slock); 82 arch_spin_unlock(&rw->slock);
83} 83}
84 84
85static inline void __raw_read_unlock(raw_rwlock_t *rw) 85static inline void arch_read_unlock(arch_rwlock_t *rw)
86{ 86{
87 __raw_spin_lock(&rw->slock); 87 arch_spin_lock(&rw->slock);
88 rw->lock++; 88 rw->lock++;
89 __raw_spin_unlock(&rw->slock); 89 arch_spin_unlock(&rw->slock);
90} 90}
91 91
92static inline void __raw_write_unlock(raw_rwlock_t *rw) 92static inline void arch_write_unlock(arch_rwlock_t *rw)
93{ 93{
94 __raw_spin_lock(&rw->slock); 94 arch_spin_lock(&rw->slock);
95 while (rw->lock != RW_LOCK_BIAS); 95 while (rw->lock != RW_LOCK_BIAS);
96 rw->lock = RW_LOCK_BIAS; 96 rw->lock = RW_LOCK_BIAS;
97 __raw_spin_unlock(&rw->slock); 97 arch_spin_unlock(&rw->slock);
98} 98}
99 99
100static inline int __raw_read_trylock(raw_rwlock_t *rw) 100static inline int arch_read_trylock(arch_rwlock_t *rw)
101{ 101{
102 int ret = 0; 102 int ret = 0;
103 __raw_spin_lock(&rw->slock); 103 arch_spin_lock(&rw->slock);
104 if (rw->lock != 0) { 104 if (rw->lock != 0) {
105 rw->lock--; 105 rw->lock--;
106 ret = 1; 106 ret = 1;
107 } 107 }
108 __raw_spin_unlock(&rw->slock); 108 arch_spin_unlock(&rw->slock);
109 return ret; 109 return ret;
110} 110}
111 111
112static inline int __raw_write_trylock(raw_rwlock_t *rw) 112static inline int arch_write_trylock(arch_rwlock_t *rw)
113{ 113{
114 int ret = 0; 114 int ret = 0;
115 __raw_spin_lock(&rw->slock); 115 arch_spin_lock(&rw->slock);
116 if (rw->lock == RW_LOCK_BIAS) { 116 if (rw->lock == RW_LOCK_BIAS) {
117 rw->lock = 0; 117 rw->lock = 0;
118 ret = 1; 118 ret = 1;
119 } 119 }
120 __raw_spin_unlock(&rw->slock); 120 arch_spin_unlock(&rw->slock);
121 return 1; 121 return 1;
122} 122}
123 123
124#define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock) 124#define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock)
125#define _raw_write_lock_flags(lock, flags) _raw_write_lock(lock) 125#define _raw_write_lock_flags(lock, flags) _raw_write_lock(lock)
126 126
127#define _raw_spin_relax(lock) cpu_relax() 127#define arch_spin_relax(lock) cpu_relax()
128#define _raw_read_relax(lock) cpu_relax() 128#define arch_read_relax(lock) cpu_relax()
129#define _raw_write_relax(lock) cpu_relax() 129#define arch_write_relax(lock) cpu_relax()
130 130
131#endif /* __ASM_ARCH_SPINLOCK_H */ 131#endif /* __ASM_ARCH_SPINLOCK_H */
diff --git a/arch/cris/include/asm/asm-offsets.h b/arch/cris/include/asm/asm-offsets.h
new file mode 100644
index 000000000000..d370ee36a182
--- /dev/null
+++ b/arch/cris/include/asm/asm-offsets.h
@@ -0,0 +1 @@
#include <generated/asm-offsets.h>
diff --git a/arch/cris/include/asm/cacheflush.h b/arch/cris/include/asm/cacheflush.h
index cf60e3f69f8d..36795bca605e 100644
--- a/arch/cris/include/asm/cacheflush.h
+++ b/arch/cris/include/asm/cacheflush.h
@@ -12,6 +12,7 @@
12#define flush_cache_dup_mm(mm) do { } while (0) 12#define flush_cache_dup_mm(mm) do { } while (0)
13#define flush_cache_range(vma, start, end) do { } while (0) 13#define flush_cache_range(vma, start, end) do { } while (0)
14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) 14#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
15#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
15#define flush_dcache_page(page) do { } while (0) 16#define flush_dcache_page(page) do { } while (0)
16#define flush_dcache_mmap_lock(mapping) do { } while (0) 17#define flush_dcache_mmap_lock(mapping) do { } while (0)
17#define flush_dcache_mmap_unlock(mapping) do { } while (0) 18#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/cris/include/asm/elf.h b/arch/cris/include/asm/elf.h
index 0f51b10b9f4f..8a3d8e2b33c1 100644
--- a/arch/cris/include/asm/elf.h
+++ b/arch/cris/include/asm/elf.h
@@ -64,8 +64,6 @@ typedef unsigned long elf_fpregset_t;
64#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004 64#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
65/* End of excerpt from {binutils}/include/elf/cris.h. */ 65/* End of excerpt from {binutils}/include/elf/cris.h. */
66 66
67#define USE_ELF_CORE_DUMP
68
69#define ELF_EXEC_PAGESIZE 8192 67#define ELF_EXEC_PAGESIZE 8192
70 68
71/* This is the location that an ET_DYN program is loaded if exec'ed. Typical 69/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
diff --git a/arch/cris/include/asm/socket.h b/arch/cris/include/asm/socket.h
index 45ec49bdb7b1..1a4a61909ca8 100644
--- a/arch/cris/include/asm/socket.h
+++ b/arch/cris/include/asm/socket.h
@@ -62,6 +62,8 @@
62#define SO_PROTOCOL 38 62#define SO_PROTOCOL 38
63#define SO_DOMAIN 39 63#define SO_DOMAIN 39
64 64
65#define SO_RXQ_OVFL 40
66
65#endif /* _ASM_SOCKET_H */ 67#endif /* _ASM_SOCKET_H */
66 68
67 69
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c
index ddd6fbbe75de..dd7b8e983221 100644
--- a/arch/cris/kernel/asm-offsets.c
+++ b/arch/cris/kernel/asm-offsets.c
@@ -1,6 +1,5 @@
1#include <linux/sched.h> 1#include <linux/sched.h>
2#include <asm/thread_info.h> 2#include <asm/thread_info.h>
3#include <linux/autoconf.h>
4 3
5/* 4/*
6 * Generate definitions needed by assembly language modules. 5 * Generate definitions needed by assembly language modules.
diff --git a/arch/cris/kernel/irq.c b/arch/cris/kernel/irq.c
index 0ca7d9892cc6..b5ce0724a88f 100644
--- a/arch/cris/kernel/irq.c
+++ b/arch/cris/kernel/irq.c
@@ -52,7 +52,7 @@ int show_interrupts(struct seq_file *p, void *v)
52 } 52 }
53 53
54 if (i < NR_IRQS) { 54 if (i < NR_IRQS) {
55 spin_lock_irqsave(&irq_desc[i].lock, flags); 55 raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
56 action = irq_desc[i].action; 56 action = irq_desc[i].action;
57 if (!action) 57 if (!action)
58 goto skip; 58 goto skip;
@@ -71,7 +71,7 @@ int show_interrupts(struct seq_file *p, void *v)
71 71
72 seq_putc(p, '\n'); 72 seq_putc(p, '\n');
73skip: 73skip:
74 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 74 raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
75 } 75 }
76 return 0; 76 return 0;
77} 77}
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
index 2ad962c7e88e..c2bbb1ac98a9 100644
--- a/arch/cris/kernel/sys_cris.c
+++ b/arch/cris/kernel/sys_cris.c
@@ -26,31 +26,6 @@
26#include <asm/uaccess.h> 26#include <asm/uaccess.h>
27#include <asm/segment.h> 27#include <asm/segment.h>
28 28
29/* common code for old and new mmaps */
30static inline long
31do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
32 unsigned long flags, unsigned long fd, unsigned long pgoff)
33{
34 int error = -EBADF;
35 struct file * file = NULL;
36
37 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
38 if (!(flags & MAP_ANONYMOUS)) {
39 file = fget(fd);
40 if (!file)
41 goto out;
42 }
43
44 down_write(&current->mm->mmap_sem);
45 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
46 up_write(&current->mm->mmap_sem);
47
48 if (file)
49 fput(file);
50out:
51 return error;
52}
53
54asmlinkage unsigned long old_mmap(unsigned long __user *args) 29asmlinkage unsigned long old_mmap(unsigned long __user *args)
55{ 30{
56 unsigned long buffer[6]; 31 unsigned long buffer[6];
@@ -63,7 +38,7 @@ asmlinkage unsigned long old_mmap(unsigned long __user *args)
63 if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */ 38 if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */
64 goto out; 39 goto out;
65 40
66 err = do_mmap2(buffer[0], buffer[1], buffer[2], buffer[3], 41 err = sys_mmap_pgoff(buffer[0], buffer[1], buffer[2], buffer[3],
67 buffer[4], buffer[5] >> PAGE_SHIFT); 42 buffer[4], buffer[5] >> PAGE_SHIFT);
68out: 43out:
69 return err; 44 return err;
@@ -73,7 +48,8 @@ asmlinkage long
73sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, 48sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
74 unsigned long flags, unsigned long fd, unsigned long pgoff) 49 unsigned long flags, unsigned long fd, unsigned long pgoff)
75{ 50{
76 return do_mmap2(addr, len, prot, flags, fd, pgoff); 51 /* bug(?): 8Kb pages here */
52 return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
77} 53}
78 54
79/* 55/*
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index bbfda67d2907..d49d17d2a14f 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -8,7 +8,6 @@
8 * the kernel has booted. 8 * the kernel has booted.
9 */ 9 */
10 10
11#include <linux/autoconf.h>
12#include <asm-generic/vmlinux.lds.h> 11#include <asm-generic/vmlinux.lds.h>
13#include <asm/page.h> 12#include <asm/page.h>
14 13
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index 4a7cdd9ea1ee..380df1a73a6e 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -209,7 +209,7 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
209 /* Are we prepared to handle this kernel fault? 209 /* Are we prepared to handle this kernel fault?
210 * 210 *
211 * (The kernel has valid exception-points in the source 211 * (The kernel has valid exception-points in the source
212 * when it acesses user-memory. When it fails in one 212 * when it accesses user-memory. When it fails in one
213 * of those points, we find it in a table and do a jump 213 * of those points, we find it in a table and do a jump
214 * to some fixup code that loads an appropriate error 214 * to some fixup code that loads an appropriate error
215 * code) 215 * code)