Re: [PATCHSET 0/5] io_uring related epoll cleanups

[Jens Axboe <axboe@kernel.dk>]

On 5/12/26 1:50 PM, Christian Brauner wrote:
> On Sun, 03 May 2026 02:49:11 -0600, Jens Axboe <axboe@kernel.dk> wrote:
>> Hi,
>>
>> One of the nastier things about epoll is how it allows nesting contexts
>> inside each other, leading to the necessity of loop detection and the
>> issues that have come with that.
>>
>> I don't believe there's any reason to support nesting on the io_uring
>> side, in fact IORING_OP_EPOLL_CTL is a historical mistake, imho. But
>> let's at least try and contain the damage and disallow nested contexts
>> from our side.
> 
> I can stuff the epoll preliminaries onto
> 
> vfs-7.2.eventpoll
> 
> which is where the refactor I did lives and you can just pull it.

Sounds good to me - I'll send out a v2 with the rename of the
struct, then we can proceed from there.

-- 
Jens Axboe