From: Ingo Molnar <mingo@kernel.org>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Alexei Starovoitov <ast@kernel.org>,
Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
"H . Peter Anvin" <hpa@zytor.com>,
Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
"David S . Miller" <davem@davemloft.net>,
Kees Cook <keescook@chromium.org>,
Ian McDonald <ian.mcdonald@jandi.co.nz>,
Vlad Yasevich <vyasevich@gmail.com>,
Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [RFC PATCH -tip 1/5] kprobes: Use ENOTSUPP instead of ENOSYS
Date: Fri, 20 Oct 2017 10:57:22 +0200 [thread overview]
Message-ID: <20171020085722.n422sxot6k7kipjy@gmail.com> (raw)
In-Reply-To: <150724523678.5014.7179010055808035742.stgit@devbox>
* Masami Hiramatsu <mhiramat@kernel.org> wrote:
> Use ENOTSUPP instead of ENOSYS because ENOSYS is reserved
> only for invalid syscall number.
Is this actually true? We use -ENOSYS in a ton of code in kernel/ already, not
just for non-existing syscall number.
Ingo
next prev parent reply other threads:[~2017-10-20 8:57 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-05 23:13 [RFC PATCH -tip 0/5] kprobes: Abolish jprobe APIs Masami Hiramatsu
2017-10-05 23:13 ` [RFC PATCH -tip 1/5] kprobes: Use ENOTSUPP instead of ENOSYS Masami Hiramatsu
2017-10-20 8:57 ` Ingo Molnar [this message]
2017-10-20 15:51 ` Masami Hiramatsu
2017-10-05 23:14 ` [RFC PATCH -tip 2/5] kprobes: Abolish jprobe APIs Masami Hiramatsu
2017-10-20 12:26 ` [tip:perf/core] kprobes: Disable the jprobes APIs tip-bot for Masami Hiramatsu
2017-10-05 23:15 ` [RFC PATCH -tip 3/5] kprobes: Disable jprobe test code Masami Hiramatsu
2017-10-20 12:26 ` [tip:perf/core] kprobes: Disable the jprobes " tip-bot for Masami Hiramatsu
2017-10-05 23:15 ` [RFC PATCH -tip 4/5] kprobes: Remove jprobe sample code Masami Hiramatsu
2017-10-20 12:27 ` [tip:perf/core] kprobes: Remove the jprobes " tip-bot for Masami Hiramatsu
2017-10-05 23:16 ` [RFC PATCH -tip 5/5] kprobes: docs: Remove jprobe related document Masami Hiramatsu
2017-10-20 12:27 ` [tip:perf/core] kprobes/docs: Remove jprobes related documents tip-bot for Masami Hiramatsu
2017-10-05 23:35 ` [RFC PATCH -tip 0/5] kprobes: Abolish jprobe APIs Kees Cook
2017-10-05 23:58 ` Steven Rostedt
2017-10-06 0:06 ` Kees Cook
2017-10-06 4:49 ` Masami Hiramatsu
2017-10-06 12:58 ` Steven Rostedt
2017-10-06 15:34 ` Steven Rostedt
2017-10-07 5:24 ` Stafford Horne
2017-10-09 16:48 ` Steven Rostedt
2017-10-07 8:55 ` Ingo Molnar
2017-10-09 16:45 ` Steven Rostedt
2017-10-07 9:35 ` Masami Hiramatsu
2017-10-09 16:59 ` Steven Rostedt
2017-10-09 15:33 ` Jonathan Corbet
2017-10-09 16:20 ` Steven Rostedt
2017-10-09 16:33 ` Jonathan Corbet
2017-10-09 16:41 ` Steven Rostedt
2017-10-09 18:10 ` Steven Rostedt
2017-10-10 14:02 ` Steven Rostedt
2017-10-06 0:32 ` Masami Hiramatsu
2017-10-06 1:11 ` Steven Rostedt
2017-10-06 4:47 ` Masami Hiramatsu
2017-10-20 12:22 ` Ingo Molnar
2017-10-20 13:32 ` Kees Cook
2017-10-20 15:17 ` Ingo Molnar
2017-10-20 16:28 ` Kees Cook
2017-10-21 8:06 ` Greg Kroah-Hartman
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