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authorGrant Likely <grant.likely@secretlab.ca>2011-03-17 13:46:58 -0600
committerGrant Likely <grant.likely@secretlab.ca>2011-03-17 13:48:06 -0600
commit2dd22997679a88874c131f6e6ffb963e6d43b3a6 (patch)
treebfe1707dda7e755b8b550c6796e2649813bcfbb9 /arch/mips/include
parent36885ff0e6563687e6152da6d311abbf83c0198f (diff)
parent7b7adc4a016a1decb806eb71ecab98721fa7f146 (diff)
Merge remote-tracking branch 'origin' into spi/next
Pull in Linus' tree to pick up changes required for the langwell gpio fixes
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/futex.h39
-rw-r--r--arch/mips/include/asm/ioctls.h1
-rw-r--r--arch/mips/include/asm/perf_event.h12
3 files changed, 23 insertions, 29 deletions
diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index b9cce90346c..6ebf1734b41 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -75,7 +75,7 @@
}
static inline int
-futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
+futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
{
int op = (encoded_op >> 28) & 7;
int cmp = (encoded_op >> 24) & 15;
@@ -85,7 +85,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
oparg = 1 << oparg;
- if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+ if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
return -EFAULT;
pagefault_disable();
@@ -132,11 +132,13 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
}
static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+ u32 oldval, u32 newval)
{
- int retval;
+ int ret = 0;
+ u32 val;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
return -EFAULT;
if (cpu_has_llsc && R10000_LLSC_WAR) {
@@ -145,25 +147,25 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
" .set push \n"
" .set noat \n"
" .set mips3 \n"
- "1: ll %0, %2 \n"
- " bne %0, %z3, 3f \n"
+ "1: ll %1, %3 \n"
+ " bne %1, %z4, 3f \n"
" .set mips0 \n"
- " move $1, %z4 \n"
+ " move $1, %z5 \n"
" .set mips3 \n"
- "2: sc $1, %1 \n"
+ "2: sc $1, %2 \n"
" beqzl $1, 1b \n"
__WEAK_LLSC_MB
"3: \n"
" .set pop \n"
" .section .fixup,\"ax\" \n"
- "4: li %0, %5 \n"
+ "4: li %0, %6 \n"
" j 3b \n"
" .previous \n"
" .section __ex_table,\"a\" \n"
" "__UA_ADDR "\t1b, 4b \n"
" "__UA_ADDR "\t2b, 4b \n"
" .previous \n"
- : "=&r" (retval), "=R" (*uaddr)
+ : "+r" (ret), "=&r" (val), "=R" (*uaddr)
: "R" (*uaddr), "Jr" (oldval), "Jr" (newval), "i" (-EFAULT)
: "memory");
} else if (cpu_has_llsc) {
@@ -172,31 +174,32 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
" .set push \n"
" .set noat \n"
" .set mips3 \n"
- "1: ll %0, %2 \n"
- " bne %0, %z3, 3f \n"
+ "1: ll %1, %3 \n"
+ " bne %1, %z4, 3f \n"
" .set mips0 \n"
- " move $1, %z4 \n"
+ " move $1, %z5 \n"
" .set mips3 \n"
- "2: sc $1, %1 \n"
+ "2: sc $1, %2 \n"
" beqz $1, 1b \n"
__WEAK_LLSC_MB
"3: \n"
" .set pop \n"
" .section .fixup,\"ax\" \n"
- "4: li %0, %5 \n"
+ "4: li %0, %6 \n"
" j 3b \n"
" .previous \n"
" .section __ex_table,\"a\" \n"
" "__UA_ADDR "\t1b, 4b \n"
" "__UA_ADDR "\t2b, 4b \n"
" .previous \n"
- : "=&r" (retval), "=R" (*uaddr)
+ : "+r" (ret), "=&r" (val), "=R" (*uaddr)
: "R" (*uaddr), "Jr" (oldval), "Jr" (newval), "i" (-EFAULT)
: "memory");
} else
return -ENOSYS;
- return retval;
+ *uval = val;
+ return ret;
}
#endif
diff --git a/arch/mips/include/asm/ioctls.h b/arch/mips/include/asm/ioctls.h
index d967b899762..92403c3d600 100644
--- a/arch/mips/include/asm/ioctls.h
+++ b/arch/mips/include/asm/ioctls.h
@@ -85,6 +85,7 @@
#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */
#define TIOCGDEV _IOR('T', 0x32, unsigned int) /* Get primary device node of /dev/console */
#define TIOCSIG _IOW('T', 0x36, int) /* Generate signal on Pty slave */
+#define TIOCVHANGUP 0x5437
/* I hope the range from 0x5480 on is free ... */
#define TIOCSCTTY 0x5480 /* become controlling tty */
diff --git a/arch/mips/include/asm/perf_event.h b/arch/mips/include/asm/perf_event.h
index e00007cf816..d0c77496c72 100644
--- a/arch/mips/include/asm/perf_event.h
+++ b/arch/mips/include/asm/perf_event.h
@@ -11,15 +11,5 @@
#ifndef __MIPS_PERF_EVENT_H__
#define __MIPS_PERF_EVENT_H__
-
-/*
- * MIPS performance counters do not raise NMI upon overflow, a regular
- * interrupt will be signaled. Hence we can do the pending perf event
- * work at the tail of the irq handler.
- */
-static inline void
-set_perf_event_pending(void)
-{
-}
-
+/* Leave it empty here. The file is required by linux/perf_event.h */
#endif /* __MIPS_PERF_EVENT_H__ */