diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2007-08-04 21:02:22 +0000 |
---|---|---|
committer | Thomas Schwinge <tschwinge@gnu.org> | 2009-06-18 00:27:12 +0200 |
commit | baf29c7a7fe74d8ca799c869440f7b7cd5a33b8a (patch) | |
tree | 1aa311c95f00f763667f2d8fb2c15a115825775a /linux/src/include | |
parent | 2d38d0f995f30c5f04dcc0c10052f6c335f99987 (diff) |
2007-08-04 Samuel Thibault <samuel.thibault@ens-lyon.org>
* linux/dev/arch/i386/kernel/irq.c: Include <asm/hardirq.h>.
(local_bh_count, local_irq_count, global_irq_holder, global_irq_lock)
(global_irq_count, check_smp_invalidate, show, wait_on_bh)
(wait_on_irq, synchronize_bh, synchronize_irq, get_irqlock)
(__global_cli, __global_sti, __global_save_flags)
(__global_restore_flags): New variables and functions from Linux 2.2
* linux/src/drivers/net/3c515.c (test_and_set_bit): Remove macro.
* linux/src/drivers/net/de4x5.c (test_and_set_bit): Remove macro.
* linux/src/drivers/net/eth16i.c (test_and_set_bit): Remove macro.
* linux/src/drivers/net/kern_compat.h (test_and_set_bit): Remove macro.
* linux/src/drivers/net/pcnet32.c (test_and_set_bit): Remove macro.
* linux/src/include/linux/compatmac.h (test_and_set_bit)
(test_and_clear_bit): Remove macro.
* linux/src/include/asm-i386/atomic.h (atomic_read): New macro.
* linux/src/include/asm-i386/bitops.h (test_and_set_bit)
(test_and_clear_bit, test_and_change_bit): New inline functions.
* linux/src/include/asm-i386/hardirq.h (local_bh_count): New
declaration.
* linux/src/include/linux/tasks.h (NR_CPUS): Set to NCPUS.
(NO_PROC_ID): New macro.
Diffstat (limited to 'linux/src/include')
-rw-r--r-- | linux/src/include/asm-i386/atomic.h | 2 | ||||
-rw-r--r-- | linux/src/include/asm-i386/bitops.h | 34 | ||||
-rw-r--r-- | linux/src/include/asm-i386/hardirq.h | 1 | ||||
-rw-r--r-- | linux/src/include/linux/compatmac.h | 4 | ||||
-rw-r--r-- | linux/src/include/linux/tasks.h | 8 |
5 files changed, 42 insertions, 7 deletions
diff --git a/linux/src/include/asm-i386/atomic.h b/linux/src/include/asm-i386/atomic.h index 1b9d99f..7e5dd06 100644 --- a/linux/src/include/asm-i386/atomic.h +++ b/linux/src/include/asm-i386/atomic.h @@ -21,6 +21,8 @@ typedef int atomic_t; +#define atomic_read(v) (*v) + static __inline__ void atomic_add(atomic_t i, atomic_t *v) { __asm__ __volatile__( diff --git a/linux/src/include/asm-i386/bitops.h b/linux/src/include/asm-i386/bitops.h index d3ed1fb..fc4cf19 100644 --- a/linux/src/include/asm-i386/bitops.h +++ b/linux/src/include/asm-i386/bitops.h @@ -61,6 +61,40 @@ extern __inline__ int change_bit(int nr, SMPVOL void * addr) return oldbit; } +extern __inline__ int test_and_set_bit(int nr, volatile void * addr) +{ + int oldbit; + + __asm__ __volatile__( LOCK_PREFIX + "btsl %2,%1\n\tsbbl %0,%0" + :"=r" (oldbit),"=m" (ADDR) + :"Ir" (nr)); + return oldbit; +} + +extern __inline__ int test_and_clear_bit(int nr, volatile void * addr) +{ + int oldbit; + + __asm__ __volatile__( LOCK_PREFIX + "btrl %2,%1\n\tsbbl %0,%0" + :"=r" (oldbit),"=m" (ADDR) + :"Ir" (nr)); + return oldbit; +} + +extern __inline__ int test_and_change_bit(int nr, volatile void * addr) +{ + int oldbit; + + __asm__ __volatile__( LOCK_PREFIX + "btcl %2,%1\n\tsbbl %0,%0" + :"=r" (oldbit),"=m" (ADDR) + :"Ir" (nr)); + return oldbit; +} + + /* * This routine doesn't need to be atomic. */ diff --git a/linux/src/include/asm-i386/hardirq.h b/linux/src/include/asm-i386/hardirq.h index 5339613..10dae41 100644 --- a/linux/src/include/asm-i386/hardirq.h +++ b/linux/src/include/asm-i386/hardirq.h @@ -4,6 +4,7 @@ #include <linux/tasks.h> extern unsigned int local_irq_count[NR_CPUS]; +extern unsigned int local_bh_count[NR_CPUS]; /* * Are we in an interrupt context? Either doing bottom half diff --git a/linux/src/include/linux/compatmac.h b/linux/src/include/linux/compatmac.h index 5f9175d..b9a4112 100644 --- a/linux/src/include/linux/compatmac.h +++ b/linux/src/include/linux/compatmac.h @@ -111,8 +111,8 @@ static inline void *ioremap(unsigned long base, long length) #define time_after(t1,t2) (((long)t1-t2) > 0) -#define test_and_set_bit(nr, addr) set_bit(nr, addr) -#define test_and_clear_bit(nr, addr) clear_bit(nr, addr) +//#define test_and_set_bit(nr, addr) set_bit(nr, addr) +//#define test_and_clear_bit(nr, addr) clear_bit(nr, addr) /* Not yet implemented on 2.0 */ #define ASYNC_SPD_SHI -1 diff --git a/linux/src/include/linux/tasks.h b/linux/src/include/linux/tasks.h index 4540e34..466560e 100644 --- a/linux/src/include/linux/tasks.h +++ b/linux/src/include/linux/tasks.h @@ -5,14 +5,12 @@ * This is the maximum nr of tasks - change it if you need to */ -#ifdef __SMP__ -#define NR_CPUS 32 /* Max processors that can be running in SMP */ -#else -#define NR_CPUS 1 -#endif +#define NR_CPUS NCPUS /* Max processors that can be running in SMP */ #define NR_TASKS 512 +#define NO_PROC_ID -1 + #define MAX_TASKS_PER_USER (NR_TASKS/2) #define MIN_TASKS_LEFT_FOR_ROOT 4 |