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From: Jiri Kosina <jkosina@suse.com>
To: speck@linutronix.de
Subject: [MODERATED] Re: spectrev1+
Date: Thu, 31 May 2018 16:39:29 +0200 (CEST)	[thread overview]
Message-ID: <nycvar.YFH.7.76.1805311632300.27054@cbobk.fhfr.pm> (raw)
In-Reply-To: <alpine.LFD.2.21.999.1805310915210.29947@xps13.linux-foundation.org>

On Thu, 31 May 2018, speck for Linus Torvalds wrote:

> So for us _only_ on the speck mailing list, without any external 
> encrypted document channels, can people fill us in?
> 
> From the name, I'm assuming it's a bounds-checked store rather than a 
> load that brings in a cache line in order to complete, but otherwise the 
> exact same thing. No?

In principle yes, at least to my understanding.

Finding/creating a gadget that does speculative store followed by 
corresponding/depending speculative load (that'd have been caught as 
out-of-bound access in normal in-line execution) creates the sidechannel.

-- 
Jiri Kosina
SUSE Labs

  reply	other threads:[~2018-05-31 14:39 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-31 12:50 [MODERATED] spectrev1+ Jiri Kosina
2018-05-31 13:57 ` [MODERATED] spectrev1+ Josh Poimboeuf
2018-06-01 11:14   ` Peter Zijlstra
2018-06-01 12:46     ` Josh Poimboeuf
2018-05-31 14:11 ` David Woodhouse
2018-05-31 14:18   ` Linus Torvalds
2018-05-31 14:39     ` Jiri Kosina [this message]
2018-05-31 14:46 ` Peter Zijlstra
2018-05-31 14:55   ` Jiri Kosina
2018-05-31 18:49     ` Josh Poimboeuf
2018-05-31 18:55       ` Jiri Kosina
2018-05-31 20:36         ` Josh Poimboeuf
2018-05-31 20:52           ` Jiri Kosina
2018-05-31 21:28             ` Jiri Kosina
2018-05-31 21:51               ` Josh Poimboeuf
2018-05-31 21:59                 ` Jiri Kosina
2018-05-31 23:09                 ` Jon Masters
2018-05-31 20:54           ` Linus Torvalds
2018-06-01 11:03           ` Peter Zijlstra
2018-06-01 16:28             ` Jon Masters
2018-05-31 14:58   ` Peter Zijlstra
2018-05-31 18:41 ` Jon Masters
2018-05-31 21:02   ` Peter Zijlstra
2018-05-31 21:39     ` Josh Poimboeuf
2018-06-01 17:12   ` Konrad Rzeszutek Wilk
2018-06-01 21:29     ` Konrad Rzeszutek Wilk
2018-06-04 15:38       ` Peter Zijlstra
2018-06-04 15:44         ` Jiri Kosina
2018-06-04 16:23           ` Greg KH
2018-06-05 17:58           ` Josh Poimboeuf
2018-06-05 21:58             ` Jiri Kosina
2018-06-05 22:14               ` Linus Torvalds
2018-06-05 22:23                 ` Jiri Kosina
2018-06-05 22:48                   ` Linus Torvalds
2018-06-05 23:56                     ` Jiri Kosina
2018-06-06  8:06                       ` Norbert Manthey
2018-06-06  9:50                       ` [MODERATED] spectrev1+ Norbert Manthey
2018-06-06 10:48                         ` [MODERATED] spectrev1+ Greg KH
2018-06-06 16:14                           ` [MODERATED] Is: smack, Was:Re: spectrev1+ Konrad Rzeszutek Wilk
2018-06-06 16:24                             ` [MODERATED] " Konrad Rzeszutek Wilk
2018-06-06 18:30                             ` [MODERATED] " Norbert Manthey
2018-06-06 19:09                               ` Thomas Gleixner
2018-06-07 11:38                                 ` [MODERATED] " Norbert Manthey
2018-06-07 12:31                                   ` Peter Zijlstra
2018-06-07 15:45                                 ` Konrad Rzeszutek Wilk
2018-06-07 16:10                                   ` Thomas Gleixner
2018-06-07 16:41                                     ` [MODERATED] " Konrad Rzeszutek Wilk
2018-06-07 16:58                                       ` Josh Poimboeuf
2018-06-07 17:39                                         ` Norbert Manthey
2018-06-08  8:33                                           ` Martin Pohlack
2018-06-08  8:38                                           ` David Woodhouse
2018-06-09 12:31                                             ` Thomas Gleixner
2018-06-07 20:13                                       ` Is: smack, Was:Re: spectrev1+c Thomas Gleixner
2018-06-08 18:39                                     ` [MODERATED] Re: Is: smack, Was:Re: spectrev1+ Dave Hansen
2018-06-08  8:51                                 ` Jiri Kosina
2018-06-09 12:28                                   ` Thomas Gleixner
2018-06-08 18:15                                 ` [MODERATED] " Josh Poimboeuf
2018-06-08 18:19                                   ` Andrew Cooper
2018-06-08 19:04                                     ` Josh Poimboeuf
2018-06-09 12:35                                 ` Thomas Gleixner
2018-06-07 18:00                       ` [MODERATED] spectrev1+ Jiri Kosina
2018-06-07 18:02                         ` Andrew Cooper
2018-06-12 17:00                 ` Jon Masters
2018-06-04 16:36         ` Josh Poimboeuf
2018-06-04 16:55           ` Peter Zijlstra
2018-06-04 17:02             ` Andrew Cooper
2018-06-04 18:53               ` Jiri Kosina
2018-06-04 19:07               ` Peter Zijlstra
2018-06-04 19:20                 ` Jiri Kosina
2018-06-04 20:33                 ` Jiri Kosina
2018-06-05  8:19                   ` Peter Zijlstra
2018-06-04 17:14             ` Josh Poimboeuf
2018-06-04 17:18               ` Dave Hansen
2018-06-04 17:36                 ` Josh Poimboeuf
2018-06-04 19:10                   ` Peter Zijlstra
2018-06-04 19:51                     ` Josh Poimboeuf
2018-06-05  1:09                       ` Jon Masters
2018-06-05  1:15                         ` Jon Masters

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