Re: [RFC PATCH 00/13] Add futex2 syscalls

2021-02-16 Thread Andrey Semashev
Adding André Almeida to CC. On 2/16/21 3:13 PM, Andrey Semashev wrote: Sorry for posting out-of-tree, I just subscribed to the list to reply to a post that was already sent. André Almeida wrote: ** "And what's about FUTEX_64?"  By supporting 64 bit futexes, the kernel structure for futex wo

Re: [RFC PATCH 00/13] Add futex2 syscalls

2021-02-16 Thread Andrey Semashev
Sorry for posting out-of-tree, I just subscribed to the list to reply to a post that was already sent. André Almeida wrote: ** "And what's about FUTEX_64?" By supporting 64 bit futexes, the kernel structure for futex would need to have a 64 bit field for the value, and that could defeat one

[RFC PATCH 00/13] Add futex2 syscalls

2021-02-15 Thread André Almeida
Hi, This patch series introduces the futex2 syscalls. * What happened to the current futex()? For some years now, developers have been trying to add new features to futex, but maintainers have been reluctant to accept then, given the multiplexed interface full of legacy features and tricky to do