From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Florian Weimer <fweimer@redhat.com>
Cc: Pavel Machek <pavel@ucw.cz>, carlos <carlos@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Boqun Feng <boqun.feng@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
libc-alpha <libc-alpha@sourceware.org>
Subject: Re: Restartable Sequences system call merged into Linux
Date: Fri, 15 Jun 2018 13:44:11 -0400 (EDT) [thread overview]
Message-ID: <1069078546.14418.1529084651587.JavaMail.zimbra@efficios.com> (raw)
In-Reply-To: <fffe36dd-a7f1-36fb-561b-b6a30ba9e11d@redhat.com>
----- On Jun 15, 2018, at 1:10 AM, Florian Weimer fweimer@redhat.com wrote:
> On 06/14/2018 03:46 PM, Mathieu Desnoyers wrote:
>> This would allow registering various TLS data structures with a single
>> system call without hindering flexibility on the user-space side. For
>> instance, we could still use initial-exec and the __rseq_abi symbol for
>> rseq with this approach.
>>
>> Thoughts ?
>
> Isn't this just a very narrow case of the usual batched syscalls
> proposal? 8-)
Pretty much. But let's not go there unless this is really needed.
It looks like the added syscall on thread creation is not an issue
so far.
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
next prev parent reply other threads:[~2018-06-15 17:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-11 19:49 Restartable Sequences system call merged into Linux Mathieu Desnoyers
2018-06-11 19:55 ` Florian Weimer
2018-06-11 20:04 ` Mathieu Desnoyers
2018-06-12 13:11 ` Florian Weimer
2018-06-12 16:31 ` Mathieu Desnoyers
2018-06-13 8:21 ` Florian Weimer
2018-06-14 12:27 ` Pavel Machek
2018-06-14 13:01 ` Mathieu Desnoyers
2018-06-14 13:25 ` Pavel Machek
2018-06-14 13:32 ` Florian Weimer
2018-06-14 13:46 ` Mathieu Desnoyers
2018-06-15 5:10 ` Florian Weimer
2018-06-15 17:44 ` Mathieu Desnoyers [this message]
2018-06-14 13:38 ` Mathieu Desnoyers
2018-06-14 13:49 ` Pavel Machek
2018-06-14 14:00 ` Florian Weimer
2018-06-14 14:36 ` Mathieu Desnoyers
2018-06-14 14:41 ` Florian Weimer
2018-06-14 15:09 ` Mathieu Desnoyers
2018-06-15 5:09 ` Florian Weimer
2018-06-15 17:50 ` Mathieu Desnoyers
2018-06-15 5:07 ` Florian Weimer
2018-06-13 11:48 ` Heiko Carstens
2018-06-13 16:14 ` Mathieu Desnoyers
2018-06-13 19:53 ` Mathieu Desnoyers
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