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    SubjectRe: [PATCH 02/18] block: open code kobj_map into in block/genhd.c
    Hi Greg,

    On Fri, Oct 30, 2020 at 11:40 AM Greg Kroah-Hartman
    <gregkh@linuxfoundation.org> wrote:
    > On Thu, Oct 29, 2020 at 08:32:42PM +0100, Christoph Hellwig wrote:
    > > On Thu, Oct 29, 2020 at 08:22:36PM +0100, Greg Kroah-Hartman wrote:
    > > > After this, you want me to get rid of kobj_map, right? Or you don't
    > > > care as block doesn't use it anymore? :)
    > >
    > > I have a patch to kill it, but it causes odd regressions with the
    > > tpm driver according to the kernel test. As I have grand plans that
    > > build on the block ѕide of this series for 5.11, I plan to defer the
    > > chardev side and address it for 5.12.
    >
    > Ok, sounds good.
    >
    > Wow, I just looked at the tpm code, and it is, um, "interesting" in how
    > it thinks device lifespans work. Nothing like having 4 different
    > structures with different lifespans embedded within a single structure.
    > Good thing that no one can dynamically remove a TPM device during
    > "normal" operation.

    /sys/.../unbind?

    Gr{oetje,eeting}s,

    Geert

    --
    Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

    In personal conversations with technical people, I call myself a hacker. But
    when I'm talking to journalists I just say "programmer" or something like that.
    -- Linus Torvalds

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