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    SubjectRe: linux-next: build failure after merge of the md tree
    On 04/10/2012 08:42 PM, Stephen Rothwell wrote:
    > Hi Neil,
    >
    > After merging the md tree, today's linux-next build (powerpc
    > ppc64_defconfig) failed like this:
    >
    > lib/raid6/recov.c: In function 'raid6_has_ssse3':
    > lib/raid6/recov.c:27:2: error: implicit declaration of function
    > 'boot_cpu_has' [-Werror=implicit-function-declaration]
    > lib/raid6/recov.c:27:22: error: 'X86_FEATURE_XMM' undeclared (first
    > use in this function) lib/raid6/recov.c:27:22: note: each
    > undeclared identifier is reported only once for each function it
    > appears in lib/raid6/recov.c:28:16: error: 'X86_FEATURE_XMM2'
    > undeclared (first use in this function) lib/raid6/recov.c:29:16:
    > error: 'X86_FEATURE_SSSE3' undeclared (first use in this function)
    > lib/raid6/recov.c: At top level: lib/raid6/recov.c:25:12: warning:
    > 'raid6_has_ssse3' defined but not used [-Wunused-function]
    >
    > Caused by commit 56d3ac7ef905 ("lib/raid6: Add SSSE3 optimized
    > recovery functions"). All the world is not X86 :-)
    >
    > I have used the md tree from next-20120410 for today.

    While on the subject it would be nice to factor this out into a
    separate file.

    -hpa

    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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