lkml.org 
[lkml]   [2018]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC PATCH 01/35] syscalls: define goal to not call sys_xyzzy() from within the kernel
On Sun, Mar 11, 2018 at 10:55 AM, Dominik Brodowski
<linux@dominikbrodowski.net> wrote:
> The syscall entry points to the kernel defined by SYSCALL_DEFINEx()
> and COMPAT_SYSCALL_DEFINEx() should only be called from userspace
> through kernel entry points, but not from the kernel itself. This
> will allow cleanups and optimizations to the entry paths *and* to
> the parts of the kernel code which currently need to pretend to be
> userspace in order to make use of syscalls.
>

> +
> +/*
> + * The kernel should not use call syscalls (i.e., sys_xyzyyz()) directly.
> + * Instead, use one of the following functions which work equivalent to
> + * the syscall they are named for.

"Instead, use one of the functions which work equivalently, e.g. do_xysyyz()"

\
 
 \ /
  Last update: 2018-03-11 16:24    [W:0.177 / U:5.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site