Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / cell / spufs / switch.c

diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 71a0b41adb8c8ed320ba2325716f491ec99b34e0..9c506ba08cdcb4691e32b4d40b7a5ec3a2090894 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -70,7 +70,7 @@
   }
 #endif                         /* debug */
 
-#define POLL_WHILE_FALSE(_c)   POLL_WHILE_TRUE(!(_c))
+#define POLL_WHILE_FALSE(_c)   POLL_WHILE_TRUE(!(_c))
 
 static inline void acquire_spu_lock(struct spu *spu)
 {
@@ -387,6 +387,19 @@ static inline void save_ppu_querytype(struct spu_state *csa, struct spu *spu)
        csa->prob.dma_querytype_RW = in_be32(&prob->dma_querytype_RW);
 }
 
+static inline void save_ppu_tagstatus(struct spu_state *csa, struct spu *spu)
+{
+       struct spu_problem __iomem *prob = spu->problem;
+
+       /* Save the Prxy_TagStatus register in the CSA.
+        *
+        * It is unnecessary to restore dma_tagstatus_R, however,
+        * dma_tagstatus_R in the CSA is accessed via backing_ops, so
+        * we must save it.
+        */
+       csa->prob.dma_tagstatus_R = in_be32(&prob->dma_tagstatus_R);
+}
+
 static inline void save_mfc_csr_tsq(struct spu_state *csa, struct spu *spu)
 {
        struct spu_priv2 __iomem *priv2 = spu->priv2;
@@ -1812,6 +1825,7 @@ static void save_csa(struct spu_state *prev, struct spu *spu)
        save_mfc_queues(prev, spu);     /* Step 19. */
        save_ppu_querymask(prev, spu);  /* Step 20. */
        save_ppu_querytype(prev, spu);  /* Step 21. */
+       save_ppu_tagstatus(prev, spu);  /* NEW.     */
        save_mfc_csr_tsq(prev, spu);    /* Step 22. */
        save_mfc_csr_cmd(prev, spu);    /* Step 23. */
        save_mfc_csr_ato(prev, spu);    /* Step 24. */
@@ -1930,7 +1944,7 @@ static void harvest(struct spu_state *prev, struct spu *spu)
        reset_spu_privcntl(prev, spu);          /* Step 16. */
        reset_spu_lslr(prev, spu);              /* Step 17. */
        setup_mfc_sr1(prev, spu);               /* Step 18. */
-       spu_invalidate_slbs(spu);               /* Step 19. */
+       spu_invalidate_slbs(spu);               /* Step 19. */
        reset_ch_part1(prev, spu);              /* Step 20. */
        reset_ch_part2(prev, spu);              /* Step 21. */
        enable_interrupts(prev, spu);           /* Step 22. */