diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-06-18 05:15:46 -0400 |
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committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-06-18 05:15:46 -0400 |
commit | 20cf33ea16253b9eed387cba022cb014563db40e (patch) | |
tree | c553955752fd769e8b71d50ed0ed32324d9fd73f /arch/arm/mach-integrator/core.c | |
parent | e65f38ed0bb7af367ff919c573cf29643fc5f9e8 (diff) |
[PATCH] ARM SMP: Add basic support Integrator/CP platform
Add basic SMP support for the Integrator/CP platform.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-integrator/core.c')
-rw-r--r-- | arch/arm/mach-integrator/core.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index bd17b515431..d302f0405fd 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c | |||
@@ -14,6 +14,7 @@ | |||
14 | #include <linux/spinlock.h> | 14 | #include <linux/spinlock.h> |
15 | #include <linux/interrupt.h> | 15 | #include <linux/interrupt.h> |
16 | #include <linux/sched.h> | 16 | #include <linux/sched.h> |
17 | #include <linux/smp.h> | ||
17 | 18 | ||
18 | #include <asm/hardware.h> | 19 | #include <asm/hardware.h> |
19 | #include <asm/irq.h> | 20 | #include <asm/irq.h> |
@@ -221,7 +222,24 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |||
221 | */ | 222 | */ |
222 | timer1->TimerClear = 1; | 223 | timer1->TimerClear = 1; |
223 | 224 | ||
224 | timer_tick(regs); | 225 | /* |
226 | * the clock tick routines are only processed on the | ||
227 | * primary CPU | ||
228 | */ | ||
229 | if (hard_smp_processor_id() == 0) { | ||
230 | nmi_tick(); | ||
231 | timer_tick(regs); | ||
232 | #ifdef CONFIG_SMP | ||
233 | smp_send_timer(); | ||
234 | #endif | ||
235 | } | ||
236 | |||
237 | #ifdef CONFIG_SMP | ||
238 | /* | ||
239 | * this is the ARM equivalent of the APIC timer interrupt | ||
240 | */ | ||
241 | update_process_times(user_mode(regs)); | ||
242 | #endif /* CONFIG_SMP */ | ||
225 | 243 | ||
226 | write_sequnlock(&xtime_lock); | 244 | write_sequnlock(&xtime_lock); |
227 | 245 | ||