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MIPS: Yosemite: Convert SMP startup lock to arch spinlock.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2010-02-27 12:53:37 +01:00
parent 1a73f0478a
commit 2bd0073656
1 changed files with 4 additions and 4 deletions
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8
arch/mips/pmc-sierra/yosemite/smp.c
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@ -8,7 +8,7 @@
#define LAUNCHSTACK_SIZE 256 #define LAUNCHSTACK_SIZE 256
static __cpuinitdata DEFINE_SPINLOCK(launch_lock); static __cpuinitdata arch_spinlock_t launch_lock = __ARCH_SPIN_LOCK_UNLOCKED;
static unsigned long secondary_sp __cpuinitdata; static unsigned long secondary_sp __cpuinitdata;
static unsigned long secondary_gp __cpuinitdata; static unsigned long secondary_gp __cpuinitdata;
@ -20,7 +20,7 @@ static void __init prom_smp_bootstrap(void)
{ {
local_irq_disable(); local_irq_disable();
while (spin_is_locked(&launch_lock)); while (arch_spin_is_locked(&launch_lock));
__asm__ __volatile__( __asm__ __volatile__(
" move $sp, %0 \n" " move $sp, %0 \n"
@ -37,7 +37,7 @@ static void __init prom_smp_bootstrap(void)
*/ */
void __init prom_grab_secondary(void) void __init prom_grab_secondary(void)
{ {
spin_lock(&launch_lock); arch_spin_lock(&launch_lock);
pmon_cpustart(1, &prom_smp_bootstrap, pmon_cpustart(1, &prom_smp_bootstrap,
launchstack + LAUNCHSTACK_SIZE, 0); launchstack + LAUNCHSTACK_SIZE, 0);
@ -138,7 +138,7 @@ static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle)
secondary_sp = sp; secondary_sp = sp;
secondary_gp = gp; secondary_gp = gp;
spin_unlock(&launch_lock); arch_spin_unlock(&launch_lock);
} }
/* /*