From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Steven Rostedt" <rostedt@goodmis.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Eric Dumazet" <edumazet@google.com>,
LKML <linux-kernel@vger.kernel.org>,
"Ingo Molnar" <mingo@kernel.org>,
jiangshanlai@gmail.com, dipankar@in.ibm.com,
"Andrew Morton" <akpm@linux-foundation.org>,
"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
"Josh Triplett" <josh@joshtriplett.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"David Howells" <dhowells@redhat.com>,
"Darren Hart" <dvhart@linux.intel.com>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
"Oleg Nesterov" <oleg@redhat.com>,
"pranith kumar" <bobby.prani@gmail.com>,
"Greg Ungerer" <gerg@linux-m68k.org>
Subject: Re: [PATCH tip/core/rcu 2/2] documentation: Record reason for rcu_head two-byte alignment
Date: Tue, 23 Aug 2016 07:41:36 -0700 [thread overview]
Message-ID: <20160823144136.GH3482@linux.vnet.ibm.com> (raw)
In-Reply-To: <CAMuHMdV6My_y0jAdgWMihDH0h=hT_9-4gVAZeqE=p+Qg0oO2Dg@mail.gmail.com>
On Tue, Aug 23, 2016 at 04:30:47PM +0200, Geert Uytterhoeven wrote:
> On Tue, Aug 23, 2016 at 4:23 PM, Paul E. McKenney
> <paulmck@linux.vnet.ibm.com> wrote:
> > commit 89d39c83d193733ed5fff1c480cd42c9de1da404
> > Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> > Date: Tue Aug 23 06:51:47 2016 -0700
> >
> > rcu: Tighted up __call_rcu() rcu_head alignment check
> >
> > Commit 720abae3d68ae ("rcu: force alignment on struct
> > callback_head/rcu_head") forced the rcu_head (AKA callback_head)
> > structure's alignment to pointer size, that is, to 4-byte boundaries on
> > 32-bit systems and to 8-byte boundaries on 64-bit systems. This
> > commit therefore checks for this same alignment in __call_rcu(),
> > which used to check for two-byte alignment.
> >
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> > Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> > Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
>
> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Thank you! I have upgraded your Cc to Tested-by. ;-)
Thanx, Paul
next prev parent reply other threads:[~2016-08-23 19:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-22 15:14 [PATCH tip/core/rcu 0/2] Documentation updates Paul E. McKenney
2016-08-22 15:14 ` [PATCH tip/core/rcu 1/2] rcutorture: Remove outdated config option description Paul E. McKenney
2016-08-22 15:14 ` [PATCH tip/core/rcu 2/2] documentation: Record reason for rcu_head two-byte alignment Paul E. McKenney
2016-08-22 16:25 ` Peter Zijlstra
2016-08-22 17:34 ` Paul E. McKenney
2016-08-22 18:48 ` Eric Dumazet
2016-08-22 18:56 ` Peter Zijlstra
2016-08-22 19:18 ` Steven Rostedt
2016-08-22 19:54 ` Paul E. McKenney
2016-08-22 20:48 ` Geert Uytterhoeven
2016-08-22 21:16 ` Paul E. McKenney
2016-08-23 6:39 ` Geert Uytterhoeven
2016-08-23 13:43 ` Paul E. McKenney
2016-08-23 13:45 ` Geert Uytterhoeven
2016-08-23 14:23 ` Paul E. McKenney
2016-08-23 14:30 ` Geert Uytterhoeven
2016-08-23 14:41 ` Paul E. McKenney [this message]
2016-08-24 18:03 ` Kirill A. Shutemov
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