The two functions are not needed when HVM is not supported in
hypervisor.
Note that using hvm_enabled won't work because early_microcode_init
gets to cpu_request_microcode before hvm_enabled is set in presmp init
call stage.
Signed-off-by: Wei Liu
---
xen/arch/x86/microcode_amd.c | 4
1 file changed, 4 insertions(+)
diff --git a/xen/arch/x86/microcode_amd.c b/xen/arch/x86/microcode_amd.c
index 53f9f54..fba44cc 100644
--- a/xen/arch/x86/microcode_amd.c
+++ b/xen/arch/x86/microcode_amd.c
@@ -550,7 +550,9 @@ static int cpu_request_microcode(unsigned int cpu, const
void *buf,
xfree(mc_old);
out:
+#if CONFIG_HVM
svm_host_osvw_init();
+#endif
/*
* In some cases we may return an error even if processor's microcode has
@@ -609,6 +611,7 @@ err1:
static int start_update(void)
{
+#if CONFIG_HVM
/*
* We assume here that svm_host_osvw_init() will be called on each cpu
(from
* cpu_request_microcode()).
@@ -619,6 +622,7 @@ static int start_update(void)
* supporting OSVW so we will not deal with this possibility.
*/
svm_host_osvw_reset();
+#endif
return 0;
}
--
git-series 0.9.1
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