All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: speck@linutronix.de
Subject: Re: [PATCH 8/8] L1TFv8 6
Date: Thu, 21 Jun 2018 16:38:35 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.1806211637530.1591@nanos.tec.linutronix.de> (raw)
In-Reply-To: <5524ddaf-13c3-0026-0f33-057d8625e9e0@suse.cz>

On Thu, 21 Jun 2018, speck for Vlastimil Babka wrote:
> ----8<----
> >From ca293624a2cc776d9d87edc9497dd406dbe460c0 Mon Sep 17 00:00:00 2001
> From: Vlastimil Babka <vbabka@suse.cz>
> Date: Thu, 21 Jun 2018 12:36:29 +0200
> Subject: [PATCH] x86/speculation/l1tf: extend 64bit swap file size limit
> 
> The previous patch has limited swap file size so that large offsets cannot
> clear bits above MAX_PA/2 in the pte and interfere with L1TF mitigation.
> 
> It assumed that offsets are encoded starting with bit 12, same as pfn. But
> on x86_64, we encode offsets starting with bit 9. We can thus raise the limit
> by 3 bits. That means 16TB with 42bit MAX_PA and 256TB with 46bit MAX_PA.

Applied.

Thanks,

	tglx

  parent reply	other threads:[~2018-06-21 14:38 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-13 22:48 [MODERATED] [PATCH 0/8] L1TFv8 2 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 1/8] L1TFv8 0 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 2/8] L1TFv8 4 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 3/8] L1TFv8 5 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 4/8] L1TFv8 8 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 5/8] L1TFv8 3 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 6/8] L1TFv8 7 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 7/8] L1TFv8 1 Andi Kleen
2018-06-13 22:48 ` [MODERATED] [PATCH 8/8] L1TFv8 6 Andi Kleen
     [not found] ` <20180614150632.E064C61183@crypto-ml.lab.linutronix.de>
2018-06-21  9:02   ` [MODERATED] " Vlastimil Babka
2018-06-21 11:43     ` Vlastimil Babka
2018-06-21 13:17       ` Vlastimil Babka
2018-06-21 14:38         ` Michal Hocko
2018-06-21 14:38         ` Thomas Gleixner [this message]
2018-06-21 20:32         ` Andi Kleen
2018-06-22 15:46       ` Vlastimil Babka
2018-06-22 16:56         ` Andi Kleen
2018-06-25  7:04           ` Vlastimil Babka
2018-06-25 20:31             ` Andi Kleen
2018-06-26 12:01               ` Vlastimil Babka
2018-06-26 12:57                 ` Michal Hocko
2018-06-26 13:05                   ` Michal Hocko
2018-06-27  9:14                 ` Thomas Gleixner
     [not found] ` <20180613225434.1CDC8610FD@crypto-ml.lab.linutronix.de>
2018-06-27 15:51   ` [MODERATED] Re: x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation Michal Hocko
2018-06-28  8:05     ` [MODERATED] Re: [PATCH 4/8] L1TFv8 8 Vlastimil Babka
2018-06-29 12:22       ` Michal Hocko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.DEB.2.21.1806211637530.1591@nanos.tec.linutronix.de \
    --to=tglx@linutronix.de \
    --cc=speck@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.