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From: Francis Giraldeau <francis.giraldeau@gmail.com>
To: Chris Metcalf <cmetcalf@mellanox.com>,
	Gilad Ben Yossef <giladb@mellanox.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Rik van Riel <riel@redhat.com>, Tejun Heo <tj@kernel.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Christoph Lameter <cl@linux.com>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	linux-doc@vger.kernel.org, linux-api@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: Ping: [PATCH v15 00/13] support "task_isolation" mode
Date: Thu, 8 Sep 2016 12:21:39 -0400	[thread overview]
Message-ID: <f06314d5-9aee-b6e2-06dc-69bf6c0a9504@gmail.com> (raw)
In-Reply-To: <057a958c-4491-b449-ae59-7d331afc872d@gmail.com>

On 2016-09-07 05:11 PM, Francis Giraldeau wrote:
> The syscall test fails on x86:
>     $ sudo ./isolation
>     [...]
>     test_syscall: FAIL (0x100)
>     test_syscall (SIGUSR1): FAIL (0x100)

The fix is indeed very simple:

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 7255367..449e2b5 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -139,7 +139,7 @@ struct thread_info {
 #define _TIF_WORK_SYSCALL_ENTRY        \
        (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT |   \
         _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT |       \
-        _TIF_NOHZ)
+        _TIF_NOHZ | _TIF_TASK_ISOLATION)
 
 /* work to do on any return to user space */
 #define _TIF_ALLWORK_MASK                                              \


I updated the branch accordingly:

https://github.com/giraldeau/linux/commit/057761af7bde087fa10aa42554a13a7b69071938

Thanks,

Francis

  parent reply	other threads:[~2016-09-08 16:21 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-16 21:19 [PATCH v15 00/13] support "task_isolation" mode Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 01/13] vmstat: add quiet_vmstat_sync function Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 02/13] vmstat: add vmstat_idle function Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 03/13] lru_add_drain_all: factor out lru_add_drain_needed Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 04/13] task_isolation: add initial support Chris Metcalf
2016-08-29 16:33   ` Peter Zijlstra
2016-08-29 16:40     ` Chris Metcalf
2016-08-29 16:48       ` Peter Zijlstra
2016-08-29 16:53         ` Chris Metcalf
2016-08-30  7:59           ` Peter Zijlstra
2016-08-30  7:58       ` Peter Zijlstra
2016-08-30 15:32         ` Chris Metcalf
2016-08-30 16:30           ` Andy Lutomirski
2016-08-30 17:02             ` Chris Metcalf
2016-08-30 18:43               ` Andy Lutomirski
2016-08-30 19:37                 ` Chris Metcalf
2016-08-30 19:50                   ` Andy Lutomirski
2016-09-02 14:04                     ` Chris Metcalf
2016-09-02 17:28                       ` Andy Lutomirski
2016-09-09 17:40                         ` Chris Metcalf
2016-09-12 17:41                           ` Andy Lutomirski
2016-09-12 19:25                             ` Chris Metcalf
2016-09-27 14:22                         ` Frederic Weisbecker
2016-09-27 14:39                           ` Peter Zijlstra
2016-09-27 14:51                             ` Frederic Weisbecker
2016-09-27 14:48                           ` Paul E. McKenney
2016-09-30 16:59                 ` Chris Metcalf
2016-09-01 10:06           ` Peter Zijlstra
2016-09-02 14:03             ` Chris Metcalf
2016-09-02 16:40               ` Peter Zijlstra
2017-02-02 16:13   ` Eugene Syromiatnikov
2017-02-02 18:12     ` Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 05/13] task_isolation: track asynchronous interrupts Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 06/13] arch/x86: enable task isolation functionality Chris Metcalf
2016-08-30 21:46   ` Andy Lutomirski
2016-08-16 21:19 ` [PATCH v15 07/13] arm64: factor work_pending state machine to C Chris Metcalf
2016-08-17  8:05   ` Will Deacon
2016-08-16 21:19 ` [PATCH v15 08/13] arch/arm64: enable task isolation functionality Chris Metcalf
2016-08-26 16:25   ` Catalin Marinas
2016-08-16 21:19 ` [PATCH v15 09/13] arch/tile: " Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 10/13] arm, tile: turn off timer tick for oneshot_stopped state Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 11/13] task_isolation: support CONFIG_TASK_ISOLATION_ALL Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 12/13] task_isolation: add user-settable notification signal Chris Metcalf
2016-08-16 21:19 ` [PATCH v15 13/13] task_isolation self test Chris Metcalf
2016-08-17 19:37 ` [PATCH] Fix /proc/stat freezes (was [PATCH v15] "task_isolation" mode) Christoph Lameter
2016-08-20  1:42   ` Chris Metcalf
2016-09-28 13:16   ` Frederic Weisbecker
2016-08-29 16:27 ` Ping: [PATCH v15 00/13] support "task_isolation" mode Chris Metcalf
2016-09-07 21:11   ` Francis Giraldeau
2016-09-07 21:39     ` Francis Giraldeau
2016-09-08 16:21     ` Francis Giraldeau [this message]
2016-09-12 16:01     ` Chris Metcalf
2016-09-12 16:14       ` Peter Zijlstra
2016-09-12 21:15         ` Rafael J. Wysocki
2016-09-13  0:05           ` Rafael J. Wysocki
2016-09-13 16:00             ` Francis Giraldeau
2016-09-13  0:20       ` Francis Giraldeau
2016-09-13 16:12         ` Chris Metcalf
2016-09-27 14:49         ` Frederic Weisbecker
2016-09-27 14:35   ` Frederic Weisbecker
2016-09-30 17:07     ` Chris Metcalf
2016-11-05  4:04 ` task isolation discussion at Linux Plumbers Chris Metcalf
2016-11-05 16:05   ` Christoph Lameter
2016-11-07 16:55   ` Thomas Gleixner
2016-11-07 18:36     ` Thomas Gleixner
2016-11-07 19:12       ` Rik van Riel
2016-11-07 19:16         ` Will Deacon
2016-11-07 19:18           ` Rik van Riel
2016-11-11 20:54     ` Luiz Capitulino
2016-11-09  1:40   ` Paul E. McKenney
2016-11-09 11:14     ` Andy Lutomirski
2016-11-09 17:38       ` Paul E. McKenney
2016-11-09 18:57         ` Will Deacon
2016-11-09 19:11           ` Paul E. McKenney
2016-11-10  1:44         ` Andy Lutomirski
2016-11-10  4:52           ` Paul E. McKenney
2016-11-10  5:10             ` Paul E. McKenney
2016-11-11 17:00             ` Andy Lutomirski
2016-11-09 11:07   ` Frederic Weisbecker
2016-12-19 14:37   ` Paul E. McKenney

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