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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [qemu-xen master] spapr: add missing break in h_get_cpu_characteristics()
commit 00e9fba2beb4a0366965ce4ec1068df68ce9f4c0
Author: Greg Kurz <groug@xxxxxxxx>
AuthorDate: Thu Feb 1 20:47:41 2018 +0100
Commit: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Mon Feb 12 19:39:27 2018 -0600
spapr: add missing break in h_get_cpu_characteristics()
Detected by Coverity (CID 1385702). This fixes the recently added hypercall
to let guests properly apply Spectre and Meltdown workarounds.
Fixes: c59704b25473 "target/ppc/spapr: Add H-Call H_GET_CPU_CHARACTERISTICS"
Reported-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Greg Kurz <groug@xxxxxxxx>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@xxxxxxxxx>
Signed-off-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
(cherry picked from commit fa86f59234919b479b7e8da6b0dc2dad894a5eac)
Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
hw/ppc/spapr_hcall.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 0e1a0ae..8416452 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1698,6 +1698,7 @@ static target_ulong h_get_cpu_characteristics(PowerPCCPU
*cpu,
switch (safe_indirect_branch) {
case SPAPR_CAP_FIXED:
characteristics |= H_CPU_CHAR_BCCTRL_SERIALISED;
+ break;
default: /* broken */
assert(safe_indirect_branch == SPAPR_CAP_BROKEN);
break;
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master
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