linux-kernel - Re: [PATCH v3 13/13] epoll: implement epoll

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Message-ID: <41b847c48ccbe0c406bd54c16fbc1bf0@suse.de>
Date:   Thu, 16 May 2019 12:20:50 +0200
From:   Roman Penyaev <rpenyaev@...e.de>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Azat Khuzhin <azat@...event.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 13/13] epoll: implement epoll_create2() syscall

On 2019-05-16 12:03, Arnd Bergmann wrote:
> On Thu, May 16, 2019 at 10:59 AM Roman Penyaev <rpenyaev@...e.de> 
> wrote:
>> 
>> epoll_create2() is needed to accept EPOLL_USERPOLL flags
>> and size, i.e. this patch wires up polling from userspace.
> 
> Could you add the system call to all syscall*.tbl files at the same 
> time here?

For all other archs, you mean?  Sure.  But what is the rule of thumb?
Sometimes people tend to add to the most common x86 and other tables
are left untouched, but then you commit the rest, e.g.

commit 39036cd2727395c3369b1051005da74059a85317
Author: Arnd Bergmann <arnd@...db.de>
Date:   Thu Feb 28 13:59:19 2019 +0100

     arch: add pidfd and io_uring syscalls everywhere



--
Roman