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    SubjectRe: [PATCH 0/9] x86-64 put current in r10
    > Your patch breaks all out-of-tree amd64 assembler code used in kernel. r10
    > register is one of those registers that does not need to be preserved across
    > function calls, and reserving that register for other purpose means that all
    > assembler code using r10 in kernel must be rewritten. This is deeply
    > unfunny.

    Well, the changes should be minor.

    > Please don't apply Ben's patch. It is already bad enough having to deal with
    > two incompatible calling conventions on 32 bit x86.

    43KB .text savings are hard to argue against. There is no guarantee
    for a stable kernel ABI. If you maintain out of tree code you
    will need to live with the occasional changes.

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      Last update: 2005-11-30 13:49    [W:0.020 / U:7.872 seconds]
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