Re: linux-next: manual merge of the kvms390 tree with the kvm-arm tree

From: Stephen Rothwell
Date: Wed Jun 28 2017 - 02:02:23 EST


Hi all,

On Fri, 9 Jun 2017 14:28:56 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> Today's linux-next merge of the kvms390 tree got a conflict in:
>
> arch/s390/include/asm/kvm_host.h
>
> between commit:
>
> 2387149eade2 ("KVM: improve arch vcpu request defining")
>
> from the kvm-arm tree and commit:
>
> 8611a6a64661 ("KVM: s390: CMMA tracking, ESSA emulation, migration mode")
>
> from the kvms390 tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> --
> Cheers,
> Stephen Rothwell
>
> diff --cc arch/s390/include/asm/kvm_host.h
> index 9c3bd94204ac,a8cafed79eb4..000000000000
> --- a/arch/s390/include/asm/kvm_host.h
> +++ b/arch/s390/include/asm/kvm_host.h
> @@@ -42,9 -42,11 +42,11 @@@
> #define KVM_HALT_POLL_NS_DEFAULT 80000
>
> /* s390-specific vcpu->requests bit members */
> -#define KVM_REQ_ENABLE_IBS 8
> -#define KVM_REQ_DISABLE_IBS 9
> -#define KVM_REQ_ICPT_OPEREXC 10
> -#define KVM_REQ_START_MIGRATION 11
> -#define KVM_REQ_STOP_MIGRATION 12
> +#define KVM_REQ_ENABLE_IBS KVM_ARCH_REQ(0)
> +#define KVM_REQ_DISABLE_IBS KVM_ARCH_REQ(1)
> +#define KVM_REQ_ICPT_OPEREXC KVM_ARCH_REQ(2)
> ++#define KVM_REQ_START_MIGRATION KVM_ARCH_REQ(3)
> ++#define KVM_REQ_STOP_MIGRATION KVM_ARCH_REQ(4)
>
> #define SIGP_CTRL_C 0x80
> #define SIGP_CTRL_SCN_MASK 0x3f

With the merge window appraoching, I assume that these 2 trees will
merge in the kvm tree soon. This is just a reminder that this conflict
still exists (I think).

--
Cheers,
Stephen Rothwell