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Define and initialize kdb_lock using DEFINE_SPINLOCK.

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Convert kgdb_cpulock into a raw_spinlock_t.
    
SPIN_LOCK_UNLOCKED is deprecated and it's replacement DEFINE_SPINLOCK is
not suitable for arrays of spinlocks.
    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-10-03 13:40:26 +01:00
parent f8bb3af924
commit 57468af326
1 changed files with 8 additions and 6 deletions
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14
arch/mips/kernel/gdb-stub.c
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@ -176,8 +176,10 @@ int kgdb_enabled;
/*
* spin locks for smp case
*/
static spinlock_t kgdb_lock = SPIN_LOCK_UNLOCKED;
static spinlock_t kgdb_cpulock[NR_CPUS] = { [0 ... NR_CPUS-1] = SPIN_LOCK_UNLOCKED};
static DEFINE_SPINLOCK(kgdb_lock);
static raw_spinlock_t kgdb_cpulock[NR_CPUS] = {
[0 ... NR_CPUS-1] = __RAW_SPIN_LOCK_UNLOCKED;
};
/*
* BUFMAX defines the maximum number of characters in inbound/outbound buffers
@ -661,8 +663,8 @@ static void kgdb_wait(void *arg)
local_irq_save(flags);
spin_lock(&kgdb_cpulock[cpu]);
spin_unlock(&kgdb_cpulock[cpu]);
__raw_spin_lock(&kgdb_cpulock[cpu]);
__raw_spin_unlock(&kgdb_cpulock[cpu]);
local_irq_restore(flags);
}
@ -710,7 +712,7 @@ void handle_exception (struct gdb_regs *regs)
* acquire the CPU spinlocks
*/
for (i = num_online_cpus()-1; i >= 0; i--)
if (spin_trylock(&kgdb_cpulock[i]) == 0)
if (__raw_spin_trylock(&kgdb_cpulock[i]) == 0)
panic("kgdb: couldn't get cpulock %d\n", i);
/*
@ -985,7 +987,7 @@ finish_kgdb:
exit_kgdb_exception:
/* release locks so other CPUs can go */
for (i = num_online_cpus()-1; i >= 0; i--)
spin_unlock(&kgdb_cpulock[i]);
__raw_spin_unlock(&kgdb_cpulock[i]);
spin_unlock(&kgdb_lock);
__flush_cache_all();