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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-03-14 19:21:49 +0530 |
|---|---|---|
| committer | Andreas Färber <afaerber@suse.de> | 2014-03-20 02:39:23 +0100 |
| commit | 7aaf4957efad2bf6ac449d0caa9a1535f61006bc (patch) | |
| tree | e0f9ad6cde276c6448135cabeeec2582e5ee68d1 | |
| parent | cfd54a0409c92cbf3b2e6af39ce44a13f6940dd0 (diff) | |
| download | focaccia-qemu-7aaf4957efad2bf6ac449d0caa9a1535f61006bc.tar.gz focaccia-qemu-7aaf4957efad2bf6ac449d0caa9a1535f61006bc.zip | |
spapr_hcall: Fix h_enter to loop correctly
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 <pbonzini@redhat.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
| -rw-r--r-- | hw/ppc/spapr_hcall.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index e999bbaea0..2ab55d568b 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) { |