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    SubjectRe: linux-next: build failure after merge of the final tree (kvm-ppc tree related)
    On Fri, Apr 20, 2012 at 10:10:12AM +1000, Stephen Rothwell wrote:
    > Hi all,
    >
    > On Thu, 19 Apr 2012 16:35:35 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
    > >
    > > After merging the final tree, today's linux-next build (sparc64 defconfig)
    > > failed like this:
    > >
    > > In file included from kernel/watchdog.c:27:0:
    > > include/linux/kvm_para.h: In function 'kvm_para_has_feature':
    > > include/linux/kvm_para.h:32:2: error: implicit declaration of function 'kvm_arch_para_features' [-Werror=implicit-function-declaration]
    > >
    > > Caused by commit 5d1c0f4a80a6 ("watchdog: add check for suspended vm in
    > > softlockup detector"). This build has no KVM related CONFIG options set.
    > >
    > > I have reverted that commit for today.
    >
    > This build failure now belongs to the kvm tree ...
    >
    > --
    > Cheers,
    > Stephen Rothwell sfr@canb.auug.org.au


    Stephen,

    Can you try the patch below please?



    KVM: add kvm_arch_para_features stub to asm-generic/kvm_para.h

    Needed by kvm_para_has_feature().

    Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>

    diff --git a/include/asm-generic/kvm_para.h b/include/asm-generic/kvm_para.h
    index 05ef7e7..9a7bbad 100644
    --- a/include/asm-generic/kvm_para.h
    +++ b/include/asm-generic/kvm_para.h
    @@ -11,4 +11,9 @@ static inline bool kvm_check_and_clear_guest_paused(void)
    return false;
    }

    +static inline unsigned int kvm_arch_para_features(void)
    +{
    + return 0;
    +}
    +
    #endif

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