From: Arnd Bergmann <arnd@arndb.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Namhyung Kim <namhyung@gmail.com>,
Sam Ravnborg <sam@ravnborg.org>,
Phillip Lougher <phillip@lougher.demon.co.uk>,
Al Viro <viro@zeniv.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/2] init: add sys-wrapper.h
Date: Sat, 18 Sep 2010 11:27:46 +0200 [thread overview]
Message-ID: <201009181127.47063.arnd@arndb.de> (raw)
In-Reply-To: <20100917144024.33e66e53.akpm@linux-foundation.org>
On Friday 17 September 2010, Andrew Morton wrote:
> > - int err = sys_mount(name, "/root", fs, flags, data);
> > + int err = kernel_sys_mount(name, "/root", fs, flags, data);
>
> It would be good if we could arrange for all kernel syscalls to use
> the wrappers. ie: cause a direct call to sys_mount() to not compile?
>
> I don't know how practical that would be.
One common reason to call a sys_* function is to implement another
system call, e.g. sys_socketcall calling sys_socket or
compat_sys_timer_create calling sys_timer_create.
I think in those cases we don't really want to go through another
wrapper.
Arnd
next prev parent reply other threads:[~2010-09-18 9:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-31 15:30 [PATCH v4 0/2] init cleanups Namhyung Kim
2010-08-31 15:30 ` [PATCH v4 1/2] init: add sys-wrapper.h Namhyung Kim
2010-09-17 21:40 ` Andrew Morton
2010-09-18 9:27 ` Arnd Bergmann [this message]
2010-09-18 9:50 ` Andrew Morton
2010-08-31 15:30 ` [PATCH v4 2/2] init: use kern_sys_* wrappers instead of syscall Namhyung Kim
2010-09-02 3:26 ` [PATCH v4 2/2] init: use kernel_sys_* " Namhyung Kim
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