openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: c59704b254 "target/ppc/spapr: Add H-Call H_GET_CPU_CHARACTERISTICS"
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2018-02-01 20:47:41 +01:00 committed by David Gibson
parent c7b02d7d03
commit fa86f59234
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/ppc/spapr_hcall.c
View File

@ -1697,6 +1697,7 @@ 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;