Amit Shah wrote:
host_cpuid now accepts a 'count' parameter for cpuid. Initialise the value
of ecx before any call to the function.
Signed-off-by: Amit Shah <amit.shah@xxxxxxxxxx>
---
qemu/qemu-kvm-x86.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/qemu/qemu-kvm-x86.c b/qemu/qemu-kvm-x86.c
index 5264015..b1e2da2 100644
--- a/qemu/qemu-kvm-x86.c
+++ b/qemu/qemu-kvm-x86.c
@@ -534,6 +534,7 @@ int kvm_arch_qemu_init_env(CPUState *cenv)
#endif
copy.regs[R_EAX] = 0;
+ copy.regs[R_ECX] = 0;
qemu_kvm_cpuid_on_env(©);
limit = copy.regs[R_EAX];
@@ -559,6 +560,7 @@ int kvm_arch_qemu_init_env(CPUState *cenv)
}
copy.regs[R_EAX] = 0x80000000;
+ copy.regs[R_ECX] = 0;
qemu_kvm_cpuid_on_env(©);
limit = copy.regs[R_EAX];
Does this make any difference? Neither function actually depends on ecx.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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