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From: Francis Giraldeau <francis.giraldeau-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Chris Metcalf <cmetcalf-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Gilad Ben Yossef <giladb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Steven Rostedt <rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org>,
	Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Rik van Riel <riel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Frederic Weisbecker
	<fweisbec-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	"Paul E. McKenney"
	<paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
	Viresh Kumar
	<viresh.kumar-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>,
	Daniel Lezcano
	<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

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: 45+ 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 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
     [not found]         ` <20160830075854.GZ10153-ndre7Fmf5hadTX5a5knrm8zTDFooKrT+cvkQGrU6aU0@public.gmane.org>
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
     [not found]                         ` <3f84f736-ed7f-adff-d5f0-4f7db664208f-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
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
2016-08-16 21:19 ` [PATCH v15 12/13] task_isolation: add user-settable notification signal Chris Metcalf
     [not found] ` <1471382376-5443-1-git-send-email-cmetcalf-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
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
     [not found]     ` <057a958c-4491-b449-ae59-7d331afc872d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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
     [not found]         ` <3e93004f-e1c5-f606-33fb-7cb44b99eb0a-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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

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