# Re: \[PATCH v2 00/14\] futex: More futex2 bits

- From: Jens Axboe \<axboe@kernel.dk\>
- Date: 2023-08-08 21:11:08 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2023/08/2296316
- Thread: https://ratatoskr.run/linux-api/2023/08/2294049/t.md

```text
On 8/7/23 6:18?AM, Peter Zijlstra wrote:
> Hi!
> 
> New version of the futex2 patches. Futex2 is a new interface to the same 'old'
> futex core. An attempt to get away from the multiplex syscall and add a little
> room for extentions.
> 
> Changes since v1:
>  - Moved the FUTEX2_{8,16,32,64} into FUTEX2_SIZE_Un namespace (tglx)
>  - Added FUTEX2_SIZE_MASK by popular demand (arnd,tglx)
>  - Added more comments (tglx)
>  - Updated __NR_compat_syscalls for arm64 (arnd)
>  - Folded some tags

Thanks Peter - for the series:

Reviewed-and-tested-by: Jens Axboe [ref]

on arm64 and x86-64. Caveat - only tested the existing futex api, not
the new syscall, and the io_uring futex implementation on top as well.

-- 
Jens Axboe

```