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Re: [Qemu-devel] [PATCH] target/i386: fix feature check in hyperv-stub.c
From: |
Roman Kagan |
Subject: |
Re: [Qemu-devel] [PATCH] target/i386: fix feature check in hyperv-stub.c |
Date: |
Mon, 24 Jun 2019 13:56:10 +0000 |
User-agent: |
Mutt/1.12.0 (2019-05-25) |
On Mon, Jun 24, 2019 at 01:38:35PM +0100, Alex Bennée wrote:
> Commit 2d384d7c8 broken the build when built with:
>
> configure --without-default-devices --disable-user
>
> The reason was the conversion of cpu->hyperv_synic to
> cpu->hyperv_synic_kvm_only although the rest of the patch introduces a
> feature checking mechanism. So I've fixed the KVM_EXIT_HYPERV_SYNIC in
> hyperv-stub to do the same feature check as in the real hyperv.c
>
> Signed-off-by: Alex Bennée <address@hidden>
> Cc: Vitaly Kuznetsov <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Cc: Roman Kagan <address@hidden>
> ---
> target/i386/hyperv-stub.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Roman Kagan <address@hidden>
>
> diff --git a/target/i386/hyperv-stub.c b/target/i386/hyperv-stub.c
> index fe548cbae2..0028527e79 100644
> --- a/target/i386/hyperv-stub.c
> +++ b/target/i386/hyperv-stub.c
> @@ -15,7 +15,7 @@ int kvm_hv_handle_exit(X86CPU *cpu, struct kvm_hyperv_exit
> *exit)
> {
> switch (exit->type) {
> case KVM_EXIT_HYPERV_SYNIC:
> - if (!cpu->hyperv_synic) {
> + if (!hyperv_feat_enabled(cpu, HYPERV_FEAT_SYNIC)) {
> return -1;
> }
>
> --
> 2.20.1
>