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[Qemu-devel] [PATCH] target-ppc: Fix h_enter to loop correctly
From: |
Aneesh Kumar K.V |
Subject: |
[Qemu-devel] [PATCH] target-ppc: Fix h_enter to loop correctly |
Date: |
Fri, 14 Mar 2014 19:21:49 +0530 |
From: "Aneesh Kumar K.V" <address@hidden>
We wanted to loop till index is 8. On 8 we return with H_PTEG_FULL. If we are
successful in loading hpte with any other index, we continue with that
index value.
Reported-by: Paolo Bonzini <address@hidden>
Signed-off-by: Aneesh Kumar K.V <address@hidden>
---
hw/ppc/spapr_hcall.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index e999bbaea062..2ab55d568bf4 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -110,16 +110,15 @@ static target_ulong h_enter(PowerPCCPU *cpu,
sPAPREnvironment *spapr,
if (likely((flags & H_EXACT) == 0)) {
pte_index &= ~7ULL;
token = ppc_hash64_start_access(cpu, pte_index);
- do {
- if (index == 8) {
- ppc_hash64_stop_access(token);
- return H_PTEG_FULL;
- }
+ for (; index < 8; index++) {
if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) ==
0) {
break;
}
- } while (index++);
+ }
ppc_hash64_stop_access(token);
+ if (index == 8) {
+ return H_PTEG_FULL;
+ }
} else {
token = ppc_hash64_start_access(cpu, pte_index);
if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) {
--
1.8.3.2
- [Qemu-devel] [PATCH] target-ppc: Fix h_enter to loop correctly,
Aneesh Kumar K.V <=