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-rw-r--r--include/asm-i386/atomic.h30
-rw-r--r--include/asm-i386/futex.h10
-rw-r--r--include/asm-i386/local.h14
-rw-r--r--include/asm-i386/posix_types.h4
-rw-r--r--include/asm-i386/rwlock.h4
-rw-r--r--include/asm-i386/rwsem.h35
-rw-r--r--include/asm-i386/semaphore.h8
-rw-r--r--include/asm-i386/spinlock.h14
-rw-r--r--include/asm-i386/thread_info.h7
-rw-r--r--include/asm-powerpc/atomic.h32
-rw-r--r--include/asm-powerpc/bitops.h16
-rw-r--r--include/asm-powerpc/system.h16
-rw-r--r--include/linux/blktrace_api.h5
-rw-r--r--include/linux/netdevice.h8
-rw-r--r--include/linux/skbuff.h5
-rw-r--r--include/net/protocol.h2
-rw-r--r--include/net/tcp.h1
17 files changed, 112 insertions, 99 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index 4f061fa7379..51a16624252 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -46,8 +46,8 @@ static __inline__ void atomic_add(int i, atomic_t *v)
{
__asm__ __volatile__(
LOCK_PREFIX "addl %1,%0"
- :"=m" (v->counter)
- :"ir" (i), "m" (v->counter));
+ :"+m" (v->counter)
+ :"ir" (i));
}
/**
@@ -61,8 +61,8 @@ static __inline__ void atomic_sub(int i, atomic_t *v)
{
__asm__ __volatile__(
LOCK_PREFIX "subl %1,%0"
- :"=m" (v->counter)
- :"ir" (i), "m" (v->counter));
+ :"+m" (v->counter)
+ :"ir" (i));
}
/**
@@ -80,8 +80,8 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v)
__asm__ __volatile__(
LOCK_PREFIX "subl %2,%0; sete %1"
- :"=m" (v->counter), "=qm" (c)
- :"ir" (i), "m" (v->counter) : "memory");
+ :"+m" (v->counter), "=qm" (c)
+ :"ir" (i) : "memory");
return c;
}
@@ -95,8 +95,7 @@ static __inline__ void atomic_inc(atomic_t *v)
{
__asm__ __volatile__(
LOCK_PREFIX "incl %0"
- :"=m" (v->counter)
- :"m" (v->counter));
+ :"+m" (v->counter));
}
/**
@@ -109,8 +108,7 @@ static __inline__ void atomic_dec(atomic_t *v)
{
__asm__ __volatile__(
LOCK_PREFIX "decl %0"
- :"=m" (v->counter)
- :"m" (v->counter));
+ :"+m" (v->counter));
}
/**
@@ -127,8 +125,8 @@ static __inline__ int atomic_dec_and_test(atomic_t *v)
__asm__ __volatile__(
LOCK_PREFIX "decl %0; sete %1"
- :"=m" (v->counter), "=qm" (c)
- :"m" (v->counter) : "memory");
+ :"+m" (v->counter), "=qm" (c)
+ : : "memory");
return c != 0;
}
@@ -146,8 +144,8 @@ static __inline__ int atomic_inc_and_test(atomic_t *v)
__asm__ __volatile__(
LOCK_PREFIX "incl %0; sete %1"
- :"=m" (v->counter), "=qm" (c)
- :"m" (v->counter) : "memory");
+ :"+m" (v->counter), "=qm" (c)
+ : : "memory");
return c != 0;
}
@@ -166,8 +164,8 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v)
__asm__ __volatile__(
LOCK_PREFIX "addl %2,%0; sets %1"
- :"=m" (v->counter), "=qm" (c)
- :"ir" (i), "m" (v->counter) : "memory");
+ :"+m" (v->counter), "=qm" (c)
+ :"ir" (i) : "memory");
return c;
}
diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h
index 7b8ceefd010..946d97cfea2 100644
--- a/include/asm-i386/futex.h
+++ b/include/asm-i386/futex.h
@@ -20,8 +20,8 @@
.align 8\n\
.long 1b,3b\n\
.previous" \
- : "=r" (oldval), "=r" (ret), "=m" (*uaddr) \
- : "i" (-EFAULT), "m" (*uaddr), "0" (oparg), "1" (0))
+ : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \
+ : "i" (-EFAULT), "0" (oparg), "1" (0))
#define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
__asm__ __volatile ( \
@@ -38,9 +38,9 @@
.align 8\n\
.long 1b,4b,2b,4b\n\
.previous" \
- : "=&a" (oldval), "=&r" (ret), "=m" (*uaddr), \
+ : "=&a" (oldval), "=&r" (ret), "+m" (*uaddr), \
"=&r" (tem) \
- : "r" (oparg), "i" (-EFAULT), "m" (*uaddr), "1" (0))
+ : "r" (oparg), "i" (-EFAULT), "1" (0))
static inline int
futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
@@ -123,7 +123,7 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
" .long 1b,3b \n"
" .previous \n"
- : "=a" (oldval), "=m" (*uaddr)
+ : "=a" (oldval), "+m" (*uaddr)
: "i" (-EFAULT), "r" (newval), "0" (oldval)
: "memory"
);
diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h
index 3b4998c51d0..12060e22f7e 100644
--- a/include/asm-i386/local.h
+++ b/include/asm-i386/local.h
@@ -17,32 +17,30 @@ static __inline__ void local_inc(local_t *v)
{
__asm__ __volatile__(
"incl %0"
- :"=m" (v->counter)
- :"m" (v->counter));
+ :"+m" (v->counter));
}
static __inline__ void local_dec(local_t *v)
{
__asm__ __volatile__(
"decl %0"
- :"=m" (v->counter)
- :"m" (v->counter));
+ :"+m" (v->counter));
}
static __inline__ void local_add(long i, local_t *v)
{
__asm__ __volatile__(
"addl %1,%0"
- :"=m" (v->counter)
- :"ir" (i), "m" (v->counter));
+ :"+m" (v->counter)
+ :"ir" (i));
}
static __inline__ void local_sub(long i, local_t *v)
{
__asm__ __volatile__(
"subl %1,%0"
- :"=m" (v->counter)
- :"ir" (i), "m" (v->counter));
+ :"+m" (v->counter)
+ :"ir" (i));
}
/* On x86, these are no better than the atomic variants. */
diff --git a/include/asm-i386/posix_types.h b/include/asm-i386/posix_types.h
index 4e47ed059ad..133e31e7dfd 100644
--- a/include/asm-i386/posix_types.h
+++ b/include/asm-i386/posix_types.h
@@ -51,12 +51,12 @@ typedef struct {
#undef __FD_SET
#define __FD_SET(fd,fdsetp) \
__asm__ __volatile__("btsl %1,%0": \
- "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
+ "+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
#undef __FD_CLR
#define __FD_CLR(fd,fdsetp) \
__asm__ __volatile__("btrl %1,%0": \
- "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
+ "+m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd)))
#undef __FD_ISSET
#define __FD_ISSET(fd,fdsetp) (__extension__ ({ \
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 94f00195d54..96b0bef2ea5 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -37,7 +37,7 @@
"popl %%eax\n\t" \
"1:\n", \
"subl $1,%0\n\t", \
- "=m" (*(volatile int *)rw) : : "memory")
+ "+m" (*(volatile int *)rw) : : "memory")
#define __build_read_lock(rw, helper) do { \
if (__builtin_constant_p(rw)) \
@@ -63,7 +63,7 @@
"popl %%eax\n\t" \
"1:\n", \
"subl $" RW_LOCK_BIAS_STR ",%0\n\t", \
- "=m" (*(volatile int *)rw) : : "memory")
+ "+m" (*(volatile int *)rw) : : "memory")
#define __build_write_lock(rw, helper) do { \
if (__builtin_constant_p(rw)) \
diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h
index 2f07601562e..43113f5608e 100644
--- a/include/asm-i386/rwsem.h
+++ b/include/asm-i386/rwsem.h
@@ -111,8 +111,8 @@ LOCK_PREFIX " incl (%%eax)\n\t" /* adds 0x00000001, returns the old value
" jmp 1b\n"
LOCK_SECTION_END
"# ending down_read\n\t"
- : "=m"(sem->count)
- : "a"(sem), "m"(sem->count)
+ : "+m" (sem->count)
+ : "a" (sem)
: "memory", "cc");
}
@@ -133,8 +133,8 @@ LOCK_PREFIX " cmpxchgl %2,%0\n\t"
" jnz 1b\n\t"
"2:\n\t"
"# ending __down_read_trylock\n\t"
- : "+m"(sem->count), "=&a"(result), "=&r"(tmp)
- : "i"(RWSEM_ACTIVE_READ_BIAS)
+ : "+m" (sem->count), "=&a" (result), "=&r" (tmp)
+ : "i" (RWSEM_ACTIVE_READ_BIAS)
: "memory", "cc");
return result>=0 ? 1 : 0;
}
@@ -161,8 +161,8 @@ LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtract 0x0000ffff, returns the
" jmp 1b\n"
LOCK_SECTION_END
"# ending down_write"
- : "=m"(sem->count), "=d"(tmp)
- : "a"(sem), "1"(tmp), "m"(sem->count)
+ : "+m" (sem->count), "=d" (tmp)
+ : "a" (sem), "1" (tmp)
: "memory", "cc");
}
@@ -205,8 +205,8 @@ LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" /* subtracts 1, returns the old valu
" jmp 1b\n"
LOCK_SECTION_END
"# ending __up_read\n"
- : "=m"(sem->count), "=d"(tmp)
- : "a"(sem), "1"(tmp), "m"(sem->count)
+ : "+m" (sem->count), "=d" (tmp)
+ : "a" (sem), "1" (tmp)
: "memory", "cc");
}
@@ -231,8 +231,8 @@ LOCK_PREFIX " xaddl %%edx,(%%eax)\n\t" /* tries to transition 0xffff0001 ->
" jmp 1b\n"
LOCK_SECTION_END
"# ending __up_write\n"
- : "=m"(sem->count)
- : "a"(sem), "i"(-RWSEM_ACTIVE_WRITE_BIAS), "m"(sem->count)
+ : "+m" (sem->count)
+ : "a" (sem), "i" (-RWSEM_ACTIVE_WRITE_BIAS)
: "memory", "cc", "edx");
}
@@ -256,8 +256,8 @@ LOCK_PREFIX " addl %2,(%%eax)\n\t" /* transitions 0xZZZZ0001 -> 0xYYYY0001
" jmp 1b\n"
LOCK_SECTION_END
"# ending __downgrade_write\n"
- : "=m"(sem->count)
- : "a"(sem), "i"(-RWSEM_WAITING_BIAS), "m"(sem->count)
+ : "+m" (sem->count)
+ : "a" (sem), "i" (-RWSEM_WAITING_BIAS)
: "memory", "cc");
}
@@ -268,8 +268,8 @@ static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem)
{
__asm__ __volatile__(
LOCK_PREFIX "addl %1,%0"
- : "=m"(sem->count)
- : "ir"(delta), "m"(sem->count));
+ : "+m" (sem->count)
+ : "ir" (delta));
}
/*
@@ -280,10 +280,9 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
int tmp = delta;
__asm__ __volatile__(
-LOCK_PREFIX "xadd %0,(%2)"
- : "+r"(tmp), "=m"(sem->count)
- : "r"(sem), "m"(sem->count)
- : "memory");
+LOCK_PREFIX "xadd %0,%1"
+ : "+r" (tmp), "+m" (sem->count)
+ : : "memory");
return tmp+delta;
}
diff --git a/include/asm-i386/semaphore.h b/include/asm-i386/semaphore.h
index f7a0f310c52..d51e800acf2 100644
--- a/include/asm-i386/semaphore.h
+++ b/include/asm-i386/semaphore.h
@@ -107,7 +107,7 @@ static inline void down(struct semaphore * sem)
"call __down_failed\n\t"
"jmp 1b\n"
LOCK_SECTION_END
- :"=m" (sem->count)
+ :"+m" (sem->count)
:
:"memory","ax");
}
@@ -132,7 +132,7 @@ static inline int down_interruptible(struct semaphore * sem)
"call __down_failed_interruptible\n\t"
"jmp 1b\n"
LOCK_SECTION_END
- :"=a" (result), "=m" (sem->count)
+ :"=a" (result), "+m" (sem->count)
:
:"memory");
return result;
@@ -157,7 +157,7 @@ static inline int down_trylock(struct semaphore * sem)
"call __down_failed_trylock\n\t"
"jmp 1b\n"
LOCK_SECTION_END
- :"=a" (result), "=m" (sem->count)
+ :"=a" (result), "+m" (sem->count)
:
:"memory");
return result;
@@ -182,7 +182,7 @@ static inline void up(struct semaphore * sem)
"jmp 1b\n"
LOCK_SECTION_END
".subsection 0\n"
- :"=m" (sem->count)
+ :"+m" (sem->count)
:
:"memory","ax");
}
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index 87c40f83065..d816c62a7a1 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -65,7 +65,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
alternative_smp(
__raw_spin_lock_string,
__raw_spin_lock_string_up,
- "=m" (lock->slock) : : "memory");
+ "+m" (lock->slock) : : "memory");
}
/*
@@ -79,7 +79,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla
alternative_smp(
__raw_spin_lock_string_flags,
__raw_spin_lock_string_up,
- "=m" (lock->slock) : "r" (flags) : "memory");
+ "+m" (lock->slock) : "r" (flags) : "memory");
}
#endif
@@ -88,7 +88,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
char oldval;
__asm__ __volatile__(
"xchgb %b0,%1"
- :"=q" (oldval), "=m" (lock->slock)
+ :"=q" (oldval), "+m" (lock->slock)
:"0" (0) : "memory");
return oldval > 0;
}
@@ -104,7 +104,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
#define __raw_spin_unlock_string \
"movb $1,%0" \
- :"=m" (lock->slock) : : "memory"
+ :"+m" (lock->slock) : : "memory"
static inline void __raw_spin_unlock(raw_spinlock_t *lock)
@@ -118,7 +118,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
#define __raw_spin_unlock_string \
"xchgb %b0, %1" \
- :"=q" (oldval), "=m" (lock->slock) \
+ :"=q" (oldval), "+m" (lock->slock) \
:"0" (oldval) : "memory"
static inline void __raw_spin_unlock(raw_spinlock_t *lock)
@@ -199,13 +199,13 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock)
static inline void __raw_read_unlock(raw_rwlock_t *rw)
{
- asm volatile(LOCK_PREFIX "incl %0" :"=m" (rw->lock) : : "memory");
+ asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory");
}
static inline void __raw_write_unlock(raw_rwlock_t *rw)
{
asm volatile(LOCK_PREFIX "addl $" RW_LOCK_BIAS_STR ", %0"
- : "=m" (rw->lock) : : "memory");
+ : "+m" (rw->lock) : : "memory");
}
#endif /* __ASM_SPINLOCK_H */
diff --git a/include/asm-i386/thread_info.h b/include/asm-i386/thread_info.h
index 2833fa2c0dd..54d6d7aea93 100644
--- a/include/asm-i386/thread_info.h
+++ b/include/asm-i386/thread_info.h
@@ -140,6 +140,8 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SECCOMP 8 /* secure computing */
#define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */
#define TIF_MEMDIE 16
+#define TIF_DEBUG 17 /* uses debug registers */
+#define TIF_IO_BITMAP 18 /* uses I/O bitmap */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
@@ -151,6 +153,8 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
+#define _TIF_DEBUG (1<<TIF_DEBUG)
+#define _TIF_IO_BITMAP (1<<TIF_IO_BITMAP)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK \
@@ -159,6 +163,9 @@ static inline struct thread_info *current_thread_info(void)
/* work to do on any return to u-space */
#define _TIF_ALLWORK_MASK (0x0000FFFF & ~_TIF_SECCOMP)
+/* flags to check in __switch_to() */
+#define _TIF_WORK_CTXSW (_TIF_DEBUG|_TIF_IO_BITMAP)
+
/*
* Thread-synchronous status.
*
diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h
index bb3c0ab7e66..53283e2540b 100644
--- a/include/asm-powerpc/atomic.h
+++ b/include/asm-powerpc/atomic.h
@@ -27,8 +27,8 @@ static __inline__ void atomic_add(int a, atomic_t *v)
PPC405_ERR77(0,%3)
" stwcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -63,8 +63,8 @@ static __inline__ void atomic_sub(int a, atomic_t *v)
PPC405_ERR77(0,%3)
" stwcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -97,8 +97,8 @@ static __inline__ void atomic_inc(atomic_t *v)
PPC405_ERR77(0,%2)
" stwcx. %0,0,%2 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -141,8 +141,8 @@ static __inline__ void atomic_dec(atomic_t *v)
PPC405_ERR77(0,%2)\
" stwcx. %0,0,%2\n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -253,8 +253,8 @@ static __inline__ void atomic64_add(long a, atomic64_t *v)
add %0,%2,%0\n\
stdcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -287,8 +287,8 @@ static __inline__ void atomic64_sub(long a, atomic64_t *v)
subf %0,%2,%0\n\
stdcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -319,8 +319,8 @@ static __inline__ void atomic64_inc(atomic64_t *v)
addic %0,%0,1\n\
stdcx. %0,0,%2 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -361,8 +361,8 @@ static __inline__ void atomic64_dec(atomic64_t *v)
addic %0,%0,-1\n\
stdcx. %0,0,%2\n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h
index 76e2f08c3c8..c341063d080 100644
--- a/include/asm-powerpc/bitops.h
+++ b/include/asm-powerpc/bitops.h
@@ -65,8 +65,8 @@ static __inline__ void set_bit(int nr, volatile unsigned long *addr)
PPC405_ERR77(0,%3)
PPC_STLCX "%0,0,%3\n"
"bne- 1b"
- : "=&r"(old), "=m"(*p)
- : "r"(mask), "r"(p), "m"(*p)
+ : "=&r" (old), "+m" (*p)
+ : "r" (mask), "r" (p)
: "cc" );
}
@@ -82,8 +82,8 @@ static __inline__ void clear_bit(int nr, volatile unsigned long *addr)
PPC405_ERR77(0,%3)
PPC_STLCX "%0,0,%3\n"
"bne- 1b"
- : "=&r"(old), "=m"(*p)
- : "r"(mask), "r"(p), "m"(*p)
+ : "=&r" (old), "+m" (*p)
+ : "r" (mask), "r" (p)
: "cc" );
}
@@ -99,8 +99,8 @@ static __inline__ void change_bit(int nr, volatile unsigned long *addr)
PPC405_ERR77(0,%3)
PPC_STLCX "%0,0,%3\n"
"bne- 1b"
- : "=&r"(old), "=m"(*p)
- : "r"(mask), "r"(p), "m"(*p)
+ : "=&r" (old), "+m" (*p)
+ : "r" (mask), "r" (p)
: "cc" );
}
@@ -179,8 +179,8 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr)
"or %0,%0,%2\n"
PPC_STLCX "%0,0,%3\n"
"bne- 1b"
- : "=&r" (old), "=m" (*addr)
- : "r" (mask), "r" (addr), "m" (*addr)
+ : "=&r" (old), "+m" (*addr)
+ : "r" (mask), "r" (addr)
: "cc");
}
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index d075725bf44..c6569516ba3 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -220,8 +220,8 @@ __xchg_u32(volatile void *p, unsigned long val)
" stwcx. %3,0,%2 \n\
bne- 1b"
ISYNC_ON_SMP
- : "=&r" (prev), "=m" (*(volatile unsigned int *)p)
- : "r" (p), "r" (val), "m" (*(volatile unsigned int *)p)
+ : "=&r" (prev), "+m" (*(volatile unsigned int *)p)
+ : "r" (p), "r" (val)
: "cc", "memory");
return prev;
@@ -240,8 +240,8 @@ __xchg_u64(volatile void *p, unsigned long val)
" stdcx. %3,0,%2 \n\
bne- 1b"
ISYNC_ON_SMP
- : "=&r" (prev), "=m" (*(volatile unsigned long *)p)
- : "r" (p), "r" (val), "m" (*(volatile unsigned long *)p)
+ : "=&r" (prev), "+m" (*(volatile unsigned long *)p)
+ : "r" (p), "r" (val)
: "cc", "memory");
return prev;
@@ -299,8 +299,8 @@ __cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
ISYNC_ON_SMP
"\n\
2:"
- : "=&r" (prev), "=m" (*p)
- : "r" (p), "r" (old), "r" (new), "m" (*p)
+ : "=&r" (prev), "+m" (*p)
+ : "r" (p), "r" (old), "r" (new)
: "cc", "memory");
return prev;
@@ -322,8 +322,8 @@ __cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new)
ISYNC_ON_SMP
"\n\
2:"
- : "=&r" (prev), "=m" (*p)
- : "r" (p), "r" (old), "r" (new), "m" (*p)
+ : "=&r" (prev), "+m" (*p)
+ : "r" (p), "r" (old), "r" (new)
: "cc", "memory");
return prev;
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index a7e8cef73d1..7520cc1ff9e 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -11,7 +11,7 @@ enum blktrace_cat {
BLK_TC_READ = 1 << 0, /* reads */
BLK_TC_WRITE = 1 << 1, /* writes */
BLK_TC_BARRIER = 1 << 2, /* barrier */
- BLK_TC_SYNC = 1 << 3, /* barrier */
+ BLK_TC_SYNC = 1 << 3, /* sync IO */
BLK_TC_QUEUE = 1 << 4, /* queueing/merging */
BLK_TC_REQUEUE = 1 << 5, /* requeueing */
BLK_TC_ISSUE = 1 << 6, /* issue */
@@ -19,6 +19,7 @@ enum blktrace_cat {
BLK_TC_FS = 1 << 8, /* fs requests */
BLK_TC_PC = 1 << 9, /* pc requests */
BLK_TC_NOTIFY = 1 << 10, /* special message */
+ BLK_TC_AHEAD = 1 << 11, /* readahead */
BLK_TC_END = 1 << 15, /* only 16-bits, reminder */
};
@@ -147,7 +148,7 @@ static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq,
u32 what)
{
struct blk_trace *bt = q->blk_trace;
- int rw = rq->flags & 0x07;
+ int rw = rq->flags & 0x03;
if (likely(!bt))
return;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 85f99f60dee..76cc099c858 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -549,6 +549,7 @@ struct packet_type {
struct net_device *);
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);
+ int (*gso_send_check)(struct sk_buff *skb);
void *af_packet_priv;
struct list_head list;
};
@@ -1001,13 +1002,14 @@ static inline int net_gso_ok(int features, int gso_type)
static inline int skb_gso_ok(struct sk_buff *skb, int features)
{
- return net_gso_ok(features, skb_shinfo(skb)->gso_size ?
- skb_shinfo(skb)->gso_type : 0);
+ return net_gso_ok(features, skb_shinfo(skb)->gso_type);
}
static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
{
- return !skb_gso_ok(skb, dev->features);
+ return skb_is_gso(skb) &&
+ (!skb_gso_ok(skb, dev->features) ||
+ unlikely(skb->ip_summed != CHECKSUM_HW));
}
#endif /* __KERNEL__ */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3597b4f1438..0bf31b83578 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1455,5 +1455,10 @@ static inline void skb_init_secmark(struct sk_buff *skb)
{ }
#endif
+static inline int skb_is_gso(const struct sk_buff *skb)
+{
+ return skb_shinfo(skb)->gso_size;
+}
+
#endif /* __KERNEL__ */
#endif /* _LINUX_SKBUFF_H */
diff --git a/include/net/protocol.h b/include/net/protocol.h
index a225d6371cb..c643bce64e5 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -36,6 +36,7 @@
struct net_protocol {
int (*handler)(struct sk_buff *skb);
void (*err_handler)(struct sk_buff *skb, u32 info);
+ int (*gso_send_check)(struct sk_buff *skb);
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);
int no_policy;
@@ -51,6 +52,7 @@ struct inet6_protocol
int type, int code, int offset,
__u32 info);
+ int (*gso_send_check)(struct sk_buff *skb);
struct sk_buff *(*gso_segment)(struct sk_buff *skb,
int features);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 3cd803b0d7a..0720bddff1e 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1086,6 +1086,7 @@ extern struct request_sock_ops tcp_request_sock_ops;
extern int tcp_v4_destroy_sock(struct sock *sk);
+extern int tcp_v4_gso_send_check(struct sk_buff *skb);
extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
#ifdef CONFIG_PROC_FS
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 21:58:36 +0000