From: Oleg Nesterov <oleg@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Juri Lelli <juri.lelli@gmail.com>,
tglx@linutronix.de, mingo@redhat.com, fweisbec@gmail.com,
darren@dvhart.com, johan.eker@ericsson.com, p.faure@akatech.ch,
linux-kernel@vger.kernel.org, claudio@evidence.eu.com,
michael@amarulasolutions.com, fchecconi@gmail.com,
tommaso.cucinotta@sssup.it, nicola.manica@disi.unitn.it,
luca.abeni@unitn.it, dhaval.giani@gmail.com, hgu1972@gmail.com,
paulmck@linux.vnet.ibm.com, raistlin@linux.it,
insop.song@gmail.com, liming.wang@windriver.com,
jkacur@redhat.com, harald.gustafsson@ericsson.com,
vincent.guittot@linaro.org, bruce.ashfield@windriver.com
Subject: Re: [PATCH 08/14] sched: add latency tracing for -deadline tasks.
Date: Wed, 27 Nov 2013 17:24:06 +0100 [thread overview]
Message-ID: <20131127162405.GB24773@redhat.com> (raw)
In-Reply-To: <20131127154015.GG789@laptop.programming.kicks-ass.net>
On 11/27, Peter Zijlstra wrote:
>
> Anyway, yes GCC seems to behave as we 'expect' it to; I just can't find
> the language spec actually guaranteeing this.
And the kernel already assumes that gcc should do this, for example
struct siginfo info = {};
in do_tkill().
(this initialization should prevent the leak of uninitialized members
to userspace).
Oleg.
next prev parent reply other threads:[~2013-11-27 16:23 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-07 13:43 [PATCH 00/14] sched: SCHED_DEADLINE v9 Juri Lelli
2013-11-07 13:43 ` [PATCH 01/14] sched: add sched_class->task_dead Juri Lelli
2013-11-12 4:17 ` Paul Turner
2013-11-12 17:19 ` Steven Rostedt
2013-11-12 17:53 ` Juri Lelli
2013-11-27 14:10 ` [tip:sched/core] sched: Add sched_class->task_dead() method tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 02/14] sched: add extended scheduling interface Juri Lelli
2013-11-12 17:23 ` Steven Rostedt
2013-11-13 8:43 ` Juri Lelli
2013-11-12 17:32 ` Steven Rostedt
2013-11-13 9:07 ` Juri Lelli
2013-11-27 13:23 ` [PATCH 02/14] sched: add extended scheduling interface. (new ABI) Ingo Molnar
2013-11-27 13:30 ` Peter Zijlstra
2013-11-27 14:01 ` Ingo Molnar
2013-11-27 14:13 ` Peter Zijlstra
2013-11-27 14:17 ` Ingo Molnar
2013-11-28 11:14 ` Juri Lelli
2013-11-28 11:28 ` Peter Zijlstra
2013-11-30 14:06 ` Ingo Molnar
2013-12-03 16:13 ` Juri Lelli
2013-12-03 16:41 ` Steven Rostedt
2013-12-03 17:04 ` Juri Lelli
2014-01-13 15:53 ` [tip:sched/core] sched: Add new scheduler syscalls to support an extended scheduling parameters ABI tip-bot for Dario Faggioli
2014-01-15 16:22 ` [RFC][PATCH] sched: Move SCHED_RESET_ON_FORK into attr::sched_flags Peter Zijlstra
2014-01-16 13:40 ` [tip:sched/core] sched: Move SCHED_RESET_ON_FORK into attr:: sched_flags tip-bot for Peter Zijlstra
2014-01-17 17:29 ` [tip:sched/core] sched: Add new scheduler syscalls to support an extended scheduling parameters ABI Stephen Warren
2014-01-17 18:04 ` Stephen Warren
2013-11-07 13:43 ` [PATCH 03/14] sched: SCHED_DEADLINE structures & implementation Juri Lelli
2013-11-13 2:31 ` Steven Rostedt
2013-11-13 9:54 ` Juri Lelli
2013-11-20 20:23 ` Steven Rostedt
2013-11-21 14:15 ` Juri Lelli
2014-01-13 15:53 ` [tip:sched/core] sched/deadline: Add " tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 04/14] sched: SCHED_DEADLINE SMP-related data structures & logic Juri Lelli
2013-11-20 18:51 ` Steven Rostedt
2013-11-21 14:13 ` Juri Lelli
2013-11-21 14:41 ` Steven Rostedt
2013-11-21 16:08 ` Paul E. McKenney
2013-11-21 16:16 ` Juri Lelli
2013-11-21 16:26 ` Paul E. McKenney
2013-11-21 16:47 ` Steven Rostedt
2013-11-21 19:38 ` Paul E. McKenney
2014-01-13 15:53 ` [tip:sched/core] sched/deadline: Add " tip-bot for Juri Lelli
2013-11-07 13:43 ` [PATCH 05/14] sched: SCHED_DEADLINE avg_update accounting Juri Lelli
2014-01-13 15:53 ` [tip:sched/core] sched/deadline: Add " tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 06/14] sched: add period support for -deadline tasks Juri Lelli
2014-01-13 15:53 ` [tip:sched/core] sched/deadline: Add period support for SCHED_DEADLINE tasks tip-bot for Harald Gustafsson
2013-11-07 13:43 ` [PATCH 07/14] sched: add schedstats for -deadline tasks Juri Lelli
2013-11-07 13:43 ` [PATCH 08/14] sched: add latency tracing " Juri Lelli
2013-11-20 21:33 ` Steven Rostedt
2013-11-27 13:43 ` Juri Lelli
2013-11-27 14:16 ` Steven Rostedt
2013-11-27 14:19 ` Juri Lelli
2013-11-27 14:26 ` Peter Zijlstra
2013-11-27 14:34 ` Ingo Molnar
2013-11-27 14:58 ` Peter Zijlstra
2013-11-27 15:35 ` Ingo Molnar
2013-11-27 15:40 ` Peter Zijlstra
2013-11-27 15:46 ` Ingo Molnar
2013-11-27 15:54 ` Peter Zijlstra
2013-11-27 15:56 ` Steven Rostedt
2013-11-27 16:01 ` Peter Zijlstra
2013-11-27 16:02 ` Steven Rostedt
2013-11-27 16:13 ` Ingo Molnar
2013-11-27 16:33 ` Steven Rostedt
2013-11-27 16:24 ` Oleg Nesterov [this message]
2013-11-27 15:42 ` Ingo Molnar
2013-11-27 15:00 ` Steven Rostedt
2014-01-13 15:54 ` [tip:sched/core] sched/deadline: Add latency tracing for SCHED_DEADLINE tasks tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 09/14] rtmutex: turn the plist into an rb-tree Juri Lelli
2013-11-21 3:07 ` Steven Rostedt
2013-11-21 17:52 ` [PATCH] rtmutex: Fix compare of waiter prio and task prio Steven Rostedt
2013-11-22 10:37 ` Juri Lelli
2014-01-13 15:54 ` [tip:sched/core] rtmutex: Turn the plist into an rb-tree tip-bot for Peter Zijlstra
2013-11-07 13:43 ` [PATCH 10/14] sched: drafted deadline inheritance logic Juri Lelli
2014-01-13 15:54 ` [tip:sched/core] sched/deadline: Add SCHED_DEADLINE " tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 11/14] sched: add bandwidth management for sched_dl Juri Lelli
2014-01-13 15:54 ` [tip:sched/core] sched/deadline: Add bandwidth management for SCHED_DEADLINE tasks tip-bot for Dario Faggioli
2013-11-07 13:43 ` [PATCH 12/14] sched: make dl_bw a sub-quota of rt_bw Juri Lelli
2013-11-07 13:43 ` [PATCH 13/14] sched: speed up -dl pushes with a push-heap Juri Lelli
2014-01-13 15:54 ` [tip:sched/core] sched/deadline: speed up SCHED_DEADLINE " tip-bot for Juri Lelli
-- strict thread matches above, loose matches on Subject: below --
2013-10-14 10:43 [PATCH 00/14] sched: SCHED_DEADLINE v8 Juri Lelli
2013-10-14 10:43 ` [PATCH 08/14] sched: add latency tracing for -deadline tasks Juri Lelli
2013-02-11 18:50 [PATCH 00/14] sched: SCHED_DEADLINE v7 Juri Lelli
2013-02-11 18:50 ` [PATCH 08/14] sched: add latency tracing for -deadline tasks Juri Lelli
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