On 19/04/2022 22.58, Jens Axboe wrote:
I'll try it tomorrow (also the other patch).
Thanks!
With the new kernel, I get
io_uring_setup(200, {flags=0, sq_thread_cpu=0, sq_thread_idle=0,
sq_entries=256, cq_entries=512,
features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|0x1800,
sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276,
dropped=272, array=8512}, cq_off={head=128, tail=192, ring_mask=260,
ring_entries=268, overflow=284, cqes=320, flags=280}}) = 7
mmap(NULL, 9536, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_POPULATE, 7, 0) =
-1 EACCES (Permission denied)
