From: Andi Kleen <ak@linux.intel.com>
To: speck@linutronix.de
Subject: [MODERATED] Re: [PATCH 2/4] RFC-MDSv1 0
Date: Tue, 13 Nov 2018 20:04:29 -0800 [thread overview]
Message-ID: <20181114040429.GL6218@tassilo.jf.intel.com> (raw)
In-Reply-To: <6c12a339-278c-3896-b423-f03a25ec8ace@citrix.com>
> I was under the impression that the recommendation to use a NUL selector
> was specifically to avoid this second read.
No the rationale for the recommendation is to avoid mispredictions
in the microcode. But the two are equivalent.
-Andi
next prev parent reply other threads:[~2018-11-14 4:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 3:41 [MODERATED] [PATCH 0/4] RFC-MDSv1 1 Andi Kleen
2018-11-12 3:41 ` [MODERATED] [PATCH 1/4] RFC-MDSv1 4 Andi Kleen
2018-11-12 3:41 ` [MODERATED] [PATCH 2/4] RFC-MDSv1 0 Andi Kleen
2018-11-13 0:07 ` [MODERATED] " Andrew Cooper
2018-11-13 1:35 ` Andi Kleen
2018-11-13 21:59 ` Andrew Cooper
2018-11-14 4:04 ` Andi Kleen [this message]
2018-12-09 18:12 ` Andrew Cooper
2018-11-13 20:47 ` Jiri Kosina
2018-11-13 21:04 ` Luck, Tony
2018-11-14 2:32 ` Andi Kleen
2018-11-12 3:41 ` [MODERATED] [PATCH 3/4] RFC-MDSv1 3 Andi Kleen
2018-11-12 3:41 ` [MODERATED] [PATCH 4/4] RFC-MDSv1 2 Andi Kleen
2018-11-12 22:36 ` [MODERATED] " Greg KH
2018-11-13 1:37 ` Andi Kleen
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