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Date:   Wed, 27 Apr 2022 13:23:27 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     Paolo Bonzini <pbonzini@redhat.com>
Cc:     KVM <kvm@vger.kernel.org>, Peter Gonda <pgonda@google.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the kvm tree
Message-ID: <20220427132327.731b35d8@canb.auug.org.au>
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Hi all,

On Tue, 19 Apr 2022 15:34:23 +1000 Stephen Rothwell <sfr@canb.auug.org.au> =
wrote:
>
> After merging the kvm tree, today's linux-next build (arm64 defconfig)
> failed like this:
>=20
> arch/arm64/kvm/psci.c: In function 'kvm_prepare_system_event':
> arch/arm64/kvm/psci.c:184:32: error: 'struct <anonymous>' has no member n=
amed 'flags'
>   184 |         vcpu->run->system_event.flags =3D flags;
>       |                                ^
>=20
> Caused by commit
>=20
>   c24a950ec7d6 ("KVM, SEV: Add KVM_EXIT_SHUTDOWN metadata for SEV-ES")
>=20
> In this commit, the uapi structure changes do not match the documentation
> changes :-(  Does it matter that the ABI may be changed by this commit
> (depending on the alignment of the structure members)?
>=20
> I have added the following patch or today:
>=20
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Tue, 19 Apr 2022 15:25:17 +1000
> Subject: [PATCH] fix up for "KVM, SEV: Add KVM_EXIT_SHUTDOWN metadata for=
 SEV-ES"
>=20
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
>  include/uapi/linux/kvm.h | 1 +
>  1 file changed, 1 insertion(+)
>=20
> diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> index dd1d8167e71f..68ce07185f03 100644
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -448,6 +448,7 @@ struct kvm_run {
>  #define KVM_SYSTEM_EVENT_NDATA_VALID    (1u << 31)
>  			__u32 type;
>  			__u32 ndata;
> +			__u64 flags;
>  			__u64 data[16];
>  		} system_event;
>  		/* KVM_EXIT_S390_STSI */
> --=20
> 2.35.1

I am still applying the above patch.

--=20
Cheers,
Stephen Rothwell

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