diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/spufs.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/switch.c | 8 |
3 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 62280c2..1df7d6d 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -140,6 +140,9 @@ void __spu_update_sched_info(struct spu_context *ctx) * if it is timesliced or preempted. */ ctx->cpus_allowed = current->cpus_allowed; + + /* Save the current cpu id for spu interrupt routing. */ + ctx->last_ran = raw_smp_processor_id(); } void spu_update_sched_info(struct spu_context *ctx) @@ -243,7 +246,6 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) spu_switch_log_notify(spu, ctx, SWITCH_LOG_START, 0); spu_restore(&ctx->csa, spu); spu->timestamp = jiffies; - spu_cpu_affinity_set(spu, raw_smp_processor_id()); spu_switch_notify(spu, ctx); ctx->state = SPU_STATE_RUNNABLE; diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 7312745..dc3a215 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -121,6 +121,7 @@ struct spu_context { cpumask_t cpus_allowed; int policy; int prio; + int last_ran; /* statistics */ struct { diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 9748808..47c6580 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -1704,6 +1704,13 @@ static inline void restore_mfc_sr1(struct spu_state *csa, struct spu *spu) eieio(); } +static inline void set_int_route(struct spu_state *csa, struct spu *spu) +{ + struct spu_context *ctx = spu->ctx; + + spu_cpu_affinity_set(spu, ctx->last_ran); +} + static inline void restore_other_spu_access(struct spu_state *csa, struct spu *spu) { @@ -2014,6 +2021,7 @@ static void restore_csa(struct spu_state *next, struct spu *spu) check_ppuint_mb_stat(next, spu); /* Step 67. */ spu_invalidate_slbs(spu); /* Modified Step 68. */ restore_mfc_sr1(next, spu); /* Step 69. */ + set_int_route(next, spu); /* NEW */ restore_other_spu_access(next, spu); /* Step 70. */ restore_spu_runcntl(next, spu); /* Step 71. */ restore_mfc_cntl(next, spu); /* Step 72. */ |