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 for <linuxppc-dev@lists.ozlabs.org>; Sat, 17 Dec 2016 02:39:55 +1100 (AEDT)
Date: Fri, 16 Dec 2016 16:39:49 +0100
From: Petr Mladek <pmladek@suse.com>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>, Jiri Kosina <jikos@kernel.org>,
 Miroslav Benes <mbenes@suse.cz>, linux-kernel@vger.kernel.org,
 live-patching@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
 Heiko Carstens <heiko.carstens@de.ibm.com>, x86@kernel.org,
 linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org,
 Vojtech Pavlik <vojtech@suse.com>, Jiri Slaby <jslaby@suse.cz>,
 Chris J Arges <chris.j.arges@canonical.com>,
 Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
 Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v3 04/15] livepatch/x86: add TIF_PATCH_PENDING thread flag
Message-ID: <20161216153949.GF393@pathway.suse.cz>
References: <cover.1481220077.git.jpoimboe@redhat.com>
 <b7bbfce2330e61329056e4567c68be8e4c55fb5b.1481220077.git.jpoimboe@redhat.com>
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On Thu 2016-12-08 12:08:29, Josh Poimboeuf wrote:
> Add the TIF_PATCH_PENDING thread flag to enable the new livepatch
> per-task consistency model for x86_64.  The bit getting set indicates
> the thread has a pending patch which needs to be applied when the thread
> exits the kernel.
> 
> The bit is placed in the _TIF_ALLWORK_MASK macro, which results in
> exit_to_usermode_loop() calling klp_update_patch_state() when it's set.
> 
> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>

Reviewed-by: Petr Mladek <pmladek@suse.com>

Best Regards,
Petr