[POWERPC] spufs: fix concurrent delivery of class 0 & 1 exceptions

SPU class 0 & 1 exceptions may occur in parallel, so we may end up
overwriting csa.dsisr.

This change adds dedicated fields for each class to the spu and the spu
context so that fault data is not overwritten.

Signed-off-by: Luke Browning <lukebr@linux.vnet.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 52c74780f403..1702de9395ee 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -2842,9 +2842,11 @@ static void dump_spu_fields(struct spu *spu)
         DUMP_FIELD(spu, "0x%lx", ls_size);
         DUMP_FIELD(spu, "0x%x", node);
         DUMP_FIELD(spu, "0x%lx", flags);
-        DUMP_FIELD(spu, "0x%lx", dar);
-        DUMP_FIELD(spu, "0x%lx", dsisr);
         DUMP_FIELD(spu, "%d", class_0_pending);
+        DUMP_FIELD(spu, "0x%lx", class_0_dar);
+        DUMP_FIELD(spu, "0x%lx", class_0_dsisr);
+        DUMP_FIELD(spu, "0x%lx", class_1_dar);
+        DUMP_FIELD(spu, "0x%lx", class_1_dsisr);
         DUMP_FIELD(spu, "0x%lx", irqs[0]);
         DUMP_FIELD(spu, "0x%lx", irqs[1]);
         DUMP_FIELD(spu, "0x%lx", irqs[2]);