Re: Strange issues with epoll since 5.0

From: Eric Wong
Date: Wed May 01 2019 - 03:39:28 EST

Eric Wong <e@xxxxxxxxx> wrote:
> (didn't test AIO, but everything else seems good)

"seems" != "is"

Now that I understand the fix for epoll, the fs/select.c changes
would hit the same problem and not return -EINTR when it should.

I'll let you guys decide how to fix this, but there's definitely
a problem when "(errno == EINTR)" comparisons in userspace
stop working.