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From: Linus Torvalds <torvalds@linux-foundation.org>
To: speck@linutronix.de
Subject: [MODERATED] Re: [PATCH 1/5] SSB extra 2
Date: Fri, 4 May 2018 05:54:21 -1000 (HST)	[thread overview]
Message-ID: <alpine.LFD.2.21.999.1805040554010.1159@xps13.linux-foundation.org> (raw)
In-Reply-To: <20180504155034.GO12217@hirez.programming.kicks-ass.net>



On Fri, 4 May 2018, speck for Peter Zijlstra wrote:
> 
> Teaching the interpreter to do this is trivial, for the JIT we would
> emit a "CALL $asm_pre_thunk" as first instruction and "CALL
> $asm_post_thunk" before every RET.
> 
> And when it doesn't need to mitigate, don't issue the instructions at
> all.

Ack, that sounds better.

           Linus

  reply	other threads:[~2018-05-04 15:54 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-03 22:29 [MODERATED] [PATCH 0/5] SSB extra 0 Dave Hansen
2018-05-03 22:29 ` [MODERATED] [PATCH 1/5] SSB extra 2 Dave Hansen
2018-05-03 22:29 ` [MODERATED] [PATCH 2/5] SSB extra 3 Dave Hansen
2018-05-03 22:29 ` [MODERATED] [PATCH 3/5] SSB extra 1 Dave Hansen
2018-05-03 22:29 ` [MODERATED] [PATCH 4/5] SSB extra 5 Dave Hansen
2018-05-03 22:29 ` [MODERATED] [PATCH 5/5] SSB extra 4 Dave Hansen
2018-05-03 23:27 ` [MODERATED] Re: [PATCH 0/5] SSB extra 0 Kees Cook
2018-05-04  1:37   ` Dave Hansen
2018-05-04 22:26     ` Kees Cook
2018-05-23  7:17       ` [MODERATED] cBPF affectedness (was Re: [PATCH 0/5] SSB extra 0) Jiri Kosina
2018-05-23 13:56         ` [MODERATED] " Alexei Starovoitov
2018-05-04  9:20 ` [MODERATED] Re: [PATCH 1/5] SSB extra 2 Peter Zijlstra
2018-05-04 14:04   ` Dave Hansen
2018-05-04 15:50     ` Peter Zijlstra
2018-05-04 15:54       ` Linus Torvalds [this message]
2018-05-04 13:33 ` [PATCH 3/5] SSB extra 1 Thomas Gleixner
2018-05-04 14:22   ` [MODERATED] " Dave Hansen
2018-05-04 14:26     ` Thomas Gleixner
2018-05-04 16:04       ` [MODERATED] " Andi Kleen
2018-05-04 16:09         ` Thomas Gleixner
2018-05-04 16:28           ` [MODERATED] " Andi Kleen
2018-05-04 16:32             ` Thomas Gleixner
2018-05-04 16:43               ` [MODERATED] " Dave Hansen
2018-05-04 18:39                 ` Thomas Gleixner
2018-05-06  8:32                   ` Thomas Gleixner
2018-05-06 21:48                     ` Thomas Gleixner
2018-05-06 22:40                       ` [MODERATED] " Dave Hansen
2018-05-07  6:19                         ` Thomas Gleixner
2018-05-04 17:01 ` [MODERATED] Re: [PATCH 4/5] SSB extra 5 Konrad Rzeszutek Wilk
2018-05-21  9:56 ` [MODERATED] Re: [PATCH 5/5] SSB extra 4 Jiri Kosina
2018-05-21 13:38   ` Thomas Gleixner

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