From: "H. Peter Anvin" <hpa@zytor.com>
To: Ren Qiaowei <qiaowei.ren@intel.com>, Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH v3 3/4] x86, mpx: add prctl commands PR_MPX_INIT, PR_MPX_RELEASE
Date: Sun, 26 Jan 2014 18:10:08 -0800 [thread overview]
Message-ID: <52E5C000.1050506@zytor.com> (raw)
In-Reply-To: <52E5BC9C.9070400@intel.com>
On 01/26/2014 05:55 PM, Ren Qiaowei wrote:
>
> Peter, you mean we should remove these two call and do what they do in
> user-space, right?
>
Unless we think there is a benefit to the kernel to have a on/off switch
for the #BR exception (if disabled, all #BR exceptions are signals,
regardless of source.)
There might be, would like other people's opinion.
-hpa
next prev parent reply other threads:[~2014-01-27 2:10 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-26 9:08 [PATCH v3 0/4] Intel MPX support Qiaowei Ren
2014-01-26 8:19 ` Ingo Molnar
2014-01-26 8:20 ` Ren Qiaowei
2014-01-28 6:42 ` Ingo Molnar
2014-01-28 7:01 ` Ren Qiaowei
2014-01-28 18:26 ` H. Peter Anvin
2014-01-26 9:08 ` [PATCH v3 1/4] x86, mpx: add documentation on Intel MPX Qiaowei Ren
2014-01-26 3:06 ` Randy Dunlap
2014-01-26 3:15 ` Ren Qiaowei
2014-01-27 20:27 ` Andy Lutomirski
2014-01-28 3:40 ` Ren Qiaowei
2014-01-26 9:08 ` [PATCH v3 2/4] x86, mpx: hook #BR exception handler to allocate bound tables Qiaowei Ren
2014-01-27 20:36 ` Andy Lutomirski
2014-01-28 3:35 ` Ren Qiaowei
2014-01-28 5:21 ` Andy Lutomirski
2014-01-28 5:39 ` Ren Qiaowei
2014-01-28 6:42 ` Andy Lutomirski
2014-01-28 6:46 ` Ren Qiaowei
2014-01-26 9:08 ` [PATCH v3 3/4] x86, mpx: add prctl commands PR_MPX_INIT, PR_MPX_RELEASE Qiaowei Ren
2014-01-26 8:22 ` Ingo Molnar
2014-01-26 8:23 ` Ren Qiaowei
2014-01-26 8:39 ` Ingo Molnar
2014-01-26 11:37 ` Ren, Qiaowei
2014-01-27 1:50 ` H. Peter Anvin
2014-01-27 1:55 ` Ren Qiaowei
2014-01-27 2:10 ` H. Peter Anvin [this message]
2014-01-27 2:16 ` Ren Qiaowei
2014-01-27 21:54 ` Andy Lutomirski
2014-01-27 22:01 ` H. Peter Anvin
2014-01-26 9:08 ` Ingo Molnar
2014-01-26 12:49 ` Ren, Qiaowei
2014-01-26 15:14 ` Ingo Molnar
2014-01-27 2:01 ` Ren Qiaowei
2014-01-27 20:59 ` Andy Lutomirski
2014-01-26 9:08 ` [PATCH v3 4/4] x86, mpx: extend siginfo structure to include bound violation information Qiaowei Ren
2014-01-26 4:22 ` David Rientjes
2014-01-26 4:39 ` Ren Qiaowei
2014-01-26 21:38 ` David Rientjes
2014-01-27 1:34 ` Ren Qiaowei
2014-01-27 1:53 ` H. Peter Anvin
2014-01-27 1:56 ` Ren Qiaowei
2014-01-27 21:58 ` Andy Lutomirski
2014-01-28 2:43 ` Ren Qiaowei
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