Searched hist:"19 a63c40" (Results 1 – 2 of 2) sorted by relevance
/openbmc/linux/io_uring/ |
H A D | rsrc.c | 19a63c40 Fri Aug 11 07:53:46 CDT 2023 Pavel Begunkov <asml.silence@gmail.com> io_uring/rsrc: keep one global dummy_ubuf
We set empty registered buffers to dummy_ubuf as an optimisation. Currently, we allocate the dummy entry for each ring, whenever we can simply have one global instance.
We're casting out const on assignment, it's fine as we're not going to change the content of the dummy, the constness gives us an extra layer of protection if sth ever goes wrong.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/e4a96dda35ab755914bc43f6781bba0df97ac489.1691757663.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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H A D | io_uring.c | 19a63c40 Fri Aug 11 07:53:46 CDT 2023 Pavel Begunkov <asml.silence@gmail.com> io_uring/rsrc: keep one global dummy_ubuf
We set empty registered buffers to dummy_ubuf as an optimisation. Currently, we allocate the dummy entry for each ring, whenever we can simply have one global instance.
We're casting out const on assignment, it's fine as we're not going to change the content of the dummy, the constness gives us an extra layer of protection if sth ever goes wrong.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/e4a96dda35ab755914bc43f6781bba0df97ac489.1691757663.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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