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-rw-r--r--arch/powerpc/platforms/cell/spu_base.c12
-rw-r--r--arch/powerpc/platforms/cell/spufs/switch.c6
-rw-r--r--include/asm-powerpc/spu.h3
3 files changed, 4 insertions, 17 deletions
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index e45cfa84911f..87eb07f94c5f 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -160,13 +160,6 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
160 160
161 pr_debug("%s\n", __FUNCTION__); 161 pr_debug("%s\n", __FUNCTION__);
162 162
163 if (test_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags)) {
164 /* SLBs are pre-loaded for context switch, so
165 * we should never get here!
166 */
167 printk("%s: invalid access during switch!\n", __func__);
168 return 1;
169 }
170 slb.esid = (ea & ESID_MASK) | SLB_ESID_V; 163 slb.esid = (ea & ESID_MASK) | SLB_ESID_V;
171 164
172 switch(REGION_ID(ea)) { 165 switch(REGION_ID(ea)) {
@@ -226,11 +219,6 @@ static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
226 return 0; 219 return 0;
227 } 220 }
228 221
229 if (test_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags)) {
230 printk("%s: invalid access during switch!\n", __func__);
231 return 1;
232 }
233
234 spu->class_0_pending = 0; 222 spu->class_0_pending = 0;
235 spu->dar = ea; 223 spu->dar = ea;
236 spu->dsisr = dsisr; 224 spu->dsisr = dsisr;
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 6063c88c26d2..6f5886c7b1f9 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -720,8 +720,9 @@ static inline void set_switch_active(struct spu_state *csa, struct spu *spu)
720 * Restore, Step 23. 720 * Restore, Step 23.
721 * Change the software context switch pending flag 721 * Change the software context switch pending flag
722 * to context switch active. 722 * to context switch active.
723 *
724 * This implementation does not uses a switch active flag.
723 */ 725 */
724 set_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags);
725 clear_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags); 726 clear_bit(SPU_CONTEXT_SWITCH_PENDING, &spu->flags);
726 mb(); 727 mb();
727} 728}
@@ -1739,9 +1740,8 @@ static inline void reset_switch_active(struct spu_state *csa, struct spu *spu)
1739{ 1740{
1740 /* Restore, Step 74: 1741 /* Restore, Step 74:
1741 * Reset the "context switch active" flag. 1742 * Reset the "context switch active" flag.
1743 * Not performed by this implementation.
1742 */ 1744 */
1743 clear_bit(SPU_CONTEXT_SWITCH_ACTIVE, &spu->flags);
1744 mb();
1745} 1745}
1746 1746
1747static inline void reenable_interrupts(struct spu_state *csa, struct spu *spu) 1747static inline void reenable_interrupts(struct spu_state *csa, struct spu *spu)
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index f07c99ba5d13..e3c845b0f764 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -98,9 +98,8 @@
98#define MFC_PRIV_ATTN_EVENT 0x00000800 98#define MFC_PRIV_ATTN_EVENT 0x00000800
99#define MFC_MULTI_SRC_EVENT 0x00001000 99#define MFC_MULTI_SRC_EVENT 0x00001000
100 100
101/* Flags indicating progress during context switch. */ 101/* Flag indicating progress during context switch. */
102#define SPU_CONTEXT_SWITCH_PENDING 0UL 102#define SPU_CONTEXT_SWITCH_PENDING 0UL
103#define SPU_CONTEXT_SWITCH_ACTIVE 1UL
104 103
105struct spu_context; 104struct spu_context;
106struct spu_runqueue; 105struct spu_runqueue;