Re: [PATCH 06/10] io_uring: add support for futex wake and wait

Peter Zijlstra
2023-07-21T11:37:24Z

On Fri, Jul 21, 2023 at 01:30:31PM +0200, Peter Zijlstra wrote:

Sorry, I was too quick..

iof->uaddr = sqe->addr;
iof->val = sqe->futex_val;
iof->mask = sqe->futex_mask;
flags = sqe->futex_flags;

if (flags & ~FUTEX2_MASK)
return -EINVAL;

iof->flags = futex2_to_flags(flags);
if (!futex_flags_valid(iof->flags))
return -EINVAL;

if (!futex_validate_input(iof->flags, iof->val) ||
!futex_validate_input(iof->flags, iof->mask))
return -EINVAL