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    SubjectRe: [PATCH v2 00/18] clean up asm/uaccess.h, kill set_fs for good
    On Thu, Feb 17, 2022 at 07:20:11AM +0000, Christophe Leroy wrote:

    > And we have also
    > user_access_begin()/user_read_access_begin()/user_write_access_begin()
    > which call access_ok() then do the real work. Could be made generic with
    > call to some arch specific __user_access_begin() and friends after the
    > access_ok() and eventually the might_fault().

    Not a good idea, considering the fact that we do not want to invite
    uses of "faster" variants...

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