From: "H. Peter Anvin" <hpa@zytor.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
"Richard W.M. Jones" <rjones@redhat.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
mingo@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
luto@kernel.org, viro@zeniv.linux.org.uk, zab <zab@redhat.com>,
emunson@akamai.com,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
josh@joshtriplett.org, Pavel Emelyanov <xemul@parallels.com>,
sfr@canb.auug.org.au, Milosz Tanski <milosz@adfin.com>,
rostedt <rostedt@goodmis.org>,
arnd@arndb.de, ebiederm@xmission.com,
gorcunov <gorcunov@openvz.org>,
iulia manda21 <iulia.manda21@gmail.com>,
dave hansen <dave.hansen@linux.intel.com>,
mguzik <mguzik@redhat.com>,
adobriyan@gmail.com, Davidlohr Bueso <dave@stgolabs.net>,
linux-api <linux-api@vger.kernel.org>,
gorcunov@gmail.com, fw@deneb.enyo.de,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2 0/2] vfs: Define new syscall getumask.
Date: Sun, 17 Apr 2016 19:02:42 -0700 [thread overview]
Message-ID: <57144042.3090009@zytor.com> (raw)
In-Reply-To: <20160418010925.GA7800@kroah.com>
On 04/17/16 18:09, Greg KH wrote:
>>
>> There aren't a *lot* of such system calls, but even in that thread the
>> "oh, only two applications need this, let them use syscall(3)" seems to
>> remain.
>
> And only 2 applications will continue to use it because no one wants to
> write syscall() wrappers for their individual applications, so it's a
> vicious cycle :(
>
> I really like the 'libinux' idea, did anyone every hack up a first-pass
> at this? And I'm guessing we have more syscalls now that would need to
> be added (like getrandom(), but that shouldn't be too difficult.
>
I haven't hacked anything up yet, but I think it would be easy to simply
take the klibc machinery, remove the stuff that isn't needed, and adjust
the handling of errno(3). I think it is time I admit that it needs to
be put on my TODO list.
-hpa
next prev parent reply other threads:[~2016-04-18 2:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-13 12:57 [PATCH v2 0/2] vfs: Define new syscall getumask Richard W.M. Jones
2016-04-13 12:57 ` [PATCH v2 1/2] " Richard W.M. Jones
2016-04-13 13:20 ` Cyrill Gorcunov
2016-04-13 13:57 ` Richard W.M. Jones
2016-04-13 14:02 ` Christoph Hellwig
2016-04-13 15:27 ` Mathieu Desnoyers
2016-04-13 12:57 ` [PATCH v2 2/2] x86: Wire up new getumask system call on x86 Richard W.M. Jones
2016-04-13 13:59 ` [PATCH v2 0/2] vfs: Define new syscall getumask Greg KH
2016-04-14 3:47 ` Steven Rostedt
2016-04-14 19:26 ` Greg KH
2016-04-13 15:39 ` Mathieu Desnoyers
2016-04-13 21:01 ` Mathieu Desnoyers
2016-04-14 2:13 ` Theodore Ts'o
2016-04-18 0:38 ` H. Peter Anvin
2016-04-18 1:09 ` Greg KH
2016-04-18 2:02 ` H. Peter Anvin [this message]
2016-04-18 2:12 ` Josh Triplett
2016-04-18 2:15 ` H. Peter Anvin
2016-04-18 2:37 ` Josh Triplett
2016-04-18 3:00 ` H. Peter Anvin
2016-04-18 11:39 ` Theodore Ts'o
2016-04-14 17:56 ` Andy Lutomirski
2016-04-13 15:41 ` Colin Walters
2016-04-13 16:03 ` Richard W.M. Jones
2016-04-18 1:42 ` H. Peter Anvin
2016-04-18 1:57 ` Josh Triplett
2016-04-18 9:14 ` Richard W.M. Jones
2016-04-18 10:04 ` H. Peter Anvin
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