diff options
Diffstat (limited to 'arch/sparc/kernel/sun4m_smp.c')
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 7d4a649138f..e2d9c018bd5 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -19,6 +19,7 @@ #include <linux/profile.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> +#include <asm/irq_regs.h> #include <asm/ptrace.h> #include <asm/atomic.h> @@ -353,11 +354,14 @@ void smp4m_cross_call_irq(void) void smp4m_percpu_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs; int cpu = smp_processor_id(); + old_regs = set_irq_regs(regs); + clear_profile_irq(cpu); - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); if(!--prof_counter(cpu)) { int user = user_mode(regs); @@ -368,6 +372,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) prof_counter(cpu) = prof_multiplier(cpu); } + set_irq_regs(old_regs); } extern unsigned int lvl14_resolution; |