From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: paulmck@linux.vnet.ibm.com
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Michael Sullivan <sully@msully.net>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
lttng-dev@lists.lttng.org, Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: Alternative to signals/sys_membarrier() in liburcu
Date: Sun, 15 Mar 2015 08:06:50 +1100 [thread overview]
Message-ID: <1426367210.17565.219.camel@kernel.crashing.org> (raw)
In-Reply-To: <20150312211258.GX5412@linux.vnet.ibm.com>
On Thu, 2015-03-12 at 14:12 -0700, Paul E. McKenney wrote:
>
> Are there any architectures left that use hardware-assisted global
> TLB invalidation?
ARM and PowerPC at least...
Cheers,
Ben.
> On such an architecture, you might not get a memory
> barrier except on the CPU executing the mprotect() or munmap().
>
> (Here is hoping that no one does -- it is a cute abuse^Whack
> otherwise!)
>
>
next prev parent reply other threads:[~2015-03-14 21:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CANW5cDmTCM9ZmhN7-2eWUEYvD+Y=sGt2i7mecdPTTLHMcT8fPg@mail.gmail.com>
2015-02-12 13:57 ` Alternative to signals/sys_membarrier() in liburcu Duncan Sands
2015-03-12 14:57 ` Mathieu Desnoyers
[not found] ` <54DCB15F.80505@free.fr>
2015-03-12 14:58 ` Mathieu Desnoyers
[not found] ` <867044376.285926.1426172227750.JavaMail.zimbra@efficios.com>
2015-03-12 16:04 ` Michael Sullivan
[not found] ` <CANW5cDkiZoysNM3rqb4v6Tj996ocsaSh=OZoBLfp4h7ZGb4bxg@mail.gmail.com>
2015-03-12 20:53 ` Mathieu Desnoyers
[not found] ` <666590480.287502.1426193588471.JavaMail.zimbra@efficios.com>
2015-03-12 20:56 ` Mathieu Desnoyers
2015-03-12 21:12 ` Paul E. McKenney
2015-03-14 21:06 ` Benjamin Herrenschmidt [this message]
2015-03-12 23:59 ` One Thousand Gnomes
2015-03-13 0:43 ` Mathieu Desnoyers
2015-03-12 21:47 ` Linus Torvalds
2015-03-12 22:30 ` Mathieu Desnoyers
2015-03-13 8:07 ` Ingo Molnar
2015-03-13 14:18 ` Paul E. McKenney
2015-03-23 9:35 ` [lttng-dev] " Duncan Sands
2015-02-11 0:03 Michael Sullivan
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