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i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size

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SYNDBG leaves were recently (Linux-5.8) added to KVM but we haven't
updated the expected size of KVM_GET_SUPPORTED_HV_CPUID output in
KVM so we now make serveral tries before succeeding. Update the
default.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20210422161130.652779-13-vkuznets@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Vitaly Kuznetsov
2021-05-31 15:53:03 -04:00
committed by Eduardo Habkost
parent f4a62495be
commit 05c900ce73
1 changed files with 2 additions and 1 deletions
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target/i386/kvm/kvm.c
+2 -1
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@@ -962,7 +962,8 @@ static struct kvm_cpuid2 *try_get_hv_cpuid(CPUState *cs, int max)
static struct kvm_cpuid2 *get_supported_hv_cpuid(CPUState *cs)
{
struct kvm_cpuid2 *cpuid;
int max = 7; /* 0x40000000..0x40000005, 0x4000000A */
/* 0x40000000..0x40000005, 0x4000000A, 0x40000080..0x40000080 leaves */
int max = 10;
int i;
/*