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    SubjectRe: [PATCH v3] bitfield.h: add FIELD_MAX() and field_max()
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    On 4/1/20 12:35 PM, Nick Desaulniers wrote:
    >> Define FIELD_MAX(), which supplies the maximum value that can be
    >> represented by a field value. Define field_max() as well, to go
    >> along with the lower-case forms of the field mask functions.
    >>
    >> Signed-off-by: Alex Elder <elder@linaro.org>
    >> Acked-by: Jakub Kicinski <kuba@kernel.org>
    >> ---
    >> v3: Rebased on latest netdev-next/master.
    >>
    >> David, please take this into net-next as soon as possible. When the
    >> IPA code was merged the other day this prerequisite patch was not
    >> included, and as a result the IPA driver fails to build. Thank you.
    >>
    >> See: https://lkml.org/lkml/2020/3/10/1839
    >>
    >> -Alex
    >
    > In particular, this seems to now have regressed into mainline for the 5.7
    > merge window as reported by Linaro's ToolChain Working Group's CI.
    > Link: https://github.com/ClangBuiltLinux/linux/issues/963

    Is the problem you're referring to the result of a build done
    in the midst of a bisect?

    The fix for this build error is currently present in the
    torvalds/linux.git master branch:
    6fcd42242ebc soc: qcom: ipa: kill IPA_RX_BUFFER_ORDER

    I may be mistaken, but I believe this is the same problem I discussed
    with Maxim Kuvyrkov this morning. A different build problem led to
    an automated bisect, which conluded this was the cause because it
    landed somewhere between the initial pull of the IPA code and the fix
    I reference above.

    -Alex

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