From: Petr Mladek <pmladek@suse.com>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jiri Kosina <jikos@kernel.org>, Jessica Yu <jeyu@redhat.com>,
Miroslav Benes <mbenes@suse.cz>,
linux-kernel@vger.kernel.org, live-patching@vger.kernel.org,
Vojtech Pavlik <vojtech@suse.com>
Subject: Re: [RFC PATCH v1.9 00/14] livepatch: hybrid consistency model
Date: Wed, 6 Apr 2016 10:15:57 +0200 [thread overview]
Message-ID: <20160406081557.GD18968@pathway.suse.cz> (raw)
In-Reply-To: <20160405134430.q4pqm2oalivjka4s@treble.redhat.com>
On Tue 2016-04-05 08:44:30, Josh Poimboeuf wrote:
> On Fri, Apr 01, 2016 at 03:39:44PM +0200, Petr Mladek wrote:
> > On Fri 2016-03-25 14:34:47, Josh Poimboeuf wrote:
> > > - update documentation for sysfs, proc, livepatch
> >
> > Also we should publish somewhere the information about TIF_KLP_NEED_UPDATE
> > flag, e.g. /proc/<pid>/klp_need_update. It is handy to see what
> > process blocks the transition. We have something similar in
> > kGraft, see in_progress_show() at
> > https://git.kernel.org/cgit/linux/kernel/git/jirislaby/kgraft.git/commit/?h=kgraft-4.4&id=1c82fbd7b1fe240f4ed178a6506a93033f6a4bed
>
> Patch 13/14 exposes the per-task patched state in /proc, so I think that
> already does what you're asking for? It doesn't expose
> TIF_KLP_NEED_UPDATE, but that's more of an internal detail I think.
Heh, I have missed it. Yup, the per-thread patch state info seems to
be enough.
Best Regards,
Petr
next prev parent reply other threads:[~2016-04-06 8:16 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 19:34 Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 01/14] x86/asm/head: cleanup initial stack variable Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 02/14] x86/asm/head: use a common function for starting CPUs Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 03/14] x86/asm/head: standardize the bottom of the stack for idle tasks Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 04/14] x86: move _stext marker before head code Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 05/14] sched: horrible way to detect whether a task has been preempted Josh Poimboeuf
2016-04-06 13:06 ` Petr Mladek
2016-04-06 16:33 ` Josh Poimboeuf
2016-04-07 9:47 ` Petr Mladek
2016-04-07 14:34 ` Josh Poimboeuf
2016-04-08 8:07 ` Petr Mladek
2016-04-08 14:34 ` Josh Poimboeuf
2016-04-07 21:15 ` Jessica Yu
2016-04-07 21:37 ` Jiri Kosina
2016-04-07 22:35 ` Josh Poimboeuf
2016-04-07 22:53 ` Jiri Kosina
2016-04-07 23:15 ` Jessica Yu
2016-04-08 7:05 ` Jiri Kosina
2016-04-08 8:03 ` Petr Mladek
2016-04-08 14:31 ` Josh Poimboeuf
2016-04-11 8:38 ` Petr Mladek
2016-03-25 19:34 ` [RFC PATCH v1.9 06/14] x86: add error handling to dump_trace() Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 07/14] x86/stacktrace: add function for detecting reliable stack traces Josh Poimboeuf
2016-03-31 13:03 ` Miroslav Benes
2016-04-04 17:54 ` Josh Poimboeuf
2016-04-11 14:16 ` Jiri Slaby
2016-04-12 15:56 ` Josh Poimboeuf
2016-06-09 8:31 ` Jiri Slaby
2016-06-13 21:58 ` Josh Poimboeuf
2016-12-01 20:28 ` Jiri Slaby
2016-12-01 20:59 ` Josh Poimboeuf
2017-01-17 13:08 ` Jiri Slaby
2016-04-04 15:55 ` Petr Mladek
2016-04-04 17:58 ` Josh Poimboeuf
2016-04-07 11:55 ` Petr Mladek
2016-04-07 14:46 ` Josh Poimboeuf
2016-04-08 8:24 ` Petr Mladek
2016-04-11 3:29 ` Jessica Yu
2016-03-25 19:34 ` [RFC PATCH v1.9 08/14] livepatch: separate enabled and patched states Josh Poimboeuf
2016-04-11 3:31 ` Jessica Yu
2016-04-12 14:44 ` [RFC PATCH v1.9 08/14] " Chris J Arges
2016-04-12 17:16 ` Josh Poimboeuf
2016-04-12 17:35 ` Chris J Arges
2016-04-12 18:25 ` Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 09/14] livepatch: remove unnecessary object loaded check Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 10/14] livepatch: move patching functions into patch.c Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 11/14] livepatch: store function sizes Josh Poimboeuf
2016-03-25 19:34 ` [RFC PATCH v1.9 12/14] livepatch: create per-task consistency model Josh Poimboeuf
2016-03-31 13:12 ` Miroslav Benes
2016-04-04 18:21 ` Josh Poimboeuf
2016-04-04 18:27 ` Vojtech Pavlik
2016-04-04 18:33 ` Josh Poimboeuf
2016-04-05 11:36 ` Vojtech Pavlik
2016-04-05 13:53 ` Josh Poimboeuf
2016-04-05 17:32 ` Minfei Huang
2016-04-05 21:17 ` Josh Poimboeuf
2016-04-14 9:25 ` Miroslav Benes
2016-04-14 16:39 ` Josh Poimboeuf
2016-04-15 9:17 ` Miroslav Benes
2016-03-25 19:35 ` [RFC PATCH v1.9 13/14] livepatch: add /proc/<pid>/patch_status Josh Poimboeuf
2016-03-31 9:33 ` Jiri Slaby
2016-03-31 9:40 ` Jiri Slaby
2016-04-04 16:56 ` Josh Poimboeuf
2016-03-25 19:35 ` [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel Josh Poimboeuf
2016-04-14 8:47 ` Miroslav Benes
2016-04-14 8:50 ` Miroslav Benes
2016-04-14 13:39 ` Josh Poimboeuf
2016-04-18 15:01 ` [RFC PATCH 0/2] s390/klp: s390 support Miroslav Benes
2016-04-18 15:01 ` [RFC PATCH 1/2] s390: livepatch, reorganize TIF bits Miroslav Benes
2016-04-18 15:01 ` [RFC PATCH 2/2] s390/klp: update task universe when exiting kernel Miroslav Benes
2016-04-18 15:17 ` [RFC PATCH 0/2] s390/klp: s390 support Josh Poimboeuf
2016-04-14 13:23 ` [RFC PATCH v1.9 14/14] livepatch: update task universe when exiting kernel Josh Poimboeuf
2016-03-31 12:54 ` [RFC PATCH v1.9 00/14] livepatch: hybrid consistency model Miroslav Benes
2016-04-04 17:03 ` Josh Poimboeuf
2016-04-05 14:24 ` Miroslav Benes
2016-04-05 14:34 ` Josh Poimboeuf
2016-04-05 14:53 ` Miroslav Benes
2016-04-01 13:34 ` Miroslav Benes
2016-04-01 13:39 ` Petr Mladek
2016-04-01 15:38 ` Petr Mladek
2016-04-05 13:44 ` Josh Poimboeuf
2016-04-06 8:15 ` Petr Mladek [this message]
2016-04-28 18:53 ` Josh Poimboeuf
2016-06-09 14:20 ` Petr Mladek
2016-04-07 12:10 ` Petr Mladek
2016-04-07 15:08 ` Josh Poimboeuf
2016-04-07 15:47 ` Jiri Kosina
2016-04-07 18:03 ` Josh Poimboeuf
2016-04-07 18:33 ` Jiri Kosina
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