From: trini@konsulko.com (Tom Rini)
To: linux-arm-kernel@lists.infradead.org
Subject: [U-Boot, 3/4] ARM: mach-omap2: omap5/dra7: Enable ACTLR[0] (Enable invalidates of BTB) to facilitate CVE_2017-5715 WA in OS
Date: Fri, 29 Jun 2018 16:53:16 -0400 [thread overview]
Message-ID: <20180629205316.GK18596@bill-the-cat> (raw)
In-Reply-To: <20180612202411.29798-4-nm@ti.com>
On Tue, Jun 12, 2018 at 03:24:10PM -0500, Nishanth Menon wrote:
> Enable CVE_2017_5715 and since we have our own v7_arch_cp15_set_acr
> function to setup the bits, we are able to override the settings.
>
> Without this enabled, Linux kernel reports:
> CPU0: Spectre v2: firmware did not set auxiliary control register IBE bit, system vulnerable
>
> With this enabled, Linux kernel reports:
> CPU0: Spectre v2: using ICIALLU workaround
>
> NOTE: This by itself does not enable the workaround for CPU1 (on
> OMAP5 and DRA72/AM572 SoCs) and may require additional kernel patches.
>
> Signed-off-by: Nishanth Menon <nm@ti.com>
Applied to u-boot/master, thanks!
--
Tom
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20180629/413e1c95/attachment.sig>
next prev parent reply other threads:[~2018-06-29 20:53 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-12 20:24 [PATCH 0/4] ARM: Provide workaround setup bits for CVE-2017-5715 (A8/A15) Nishanth Menon
2018-06-12 20:24 ` [PATCH 1/4] ARM: Introduce ability to enable ACR::IBE on Cortex-A8 for CVE-2017-5715 Nishanth Menon
2018-06-20 14:13 ` Fabio Estevam
2018-06-29 20:53 ` [U-Boot, " Tom Rini
2018-06-12 20:24 ` [PATCH 2/4] ARM: Introduce ability to enable invalidate of BTB with ICIALLU on Cortex-A15 " Nishanth Menon
2018-06-12 23:05 ` Marek Vasut
2018-06-13 13:32 ` Nishanth Menon
2018-06-13 15:46 ` Tom Rini
2018-06-13 21:32 ` Nishanth Menon
2018-06-13 23:06 ` Marek Vasut
2018-06-13 0:30 ` Florian Fainelli
2018-06-13 13:37 ` Nishanth Menon
2018-06-13 21:36 ` Florian Fainelli
2018-06-14 12:46 ` Nishanth Menon
2018-06-20 14:14 ` Fabio Estevam
2018-06-29 20:53 ` [U-Boot, " Tom Rini
2018-06-12 20:24 ` [PATCH 3/4] ARM: mach-omap2: omap5/dra7: Enable ACTLR[0] (Enable invalidates of BTB) to facilitate CVE_2017-5715 WA in OS Nishanth Menon
2018-06-12 23:06 ` Marek Vasut
2018-06-13 13:40 ` Nishanth Menon
2018-06-13 17:36 ` Russell King - ARM Linux
2018-06-13 20:36 ` Marek Vasut
2018-06-13 21:31 ` Nishanth Menon
2018-06-13 21:47 ` Russell King - ARM Linux
2018-06-29 20:53 ` Tom Rini [this message]
2018-06-12 20:24 ` [PATCH 4/4] ARM: mach-omap2: omap3/am335x: Enable ACR::IBE on Cortex-A8 SoCs for CVE-2017-5715 Nishanth Menon
2018-06-29 20:53 ` [U-Boot, " Tom Rini
2018-06-12 23:06 ` [PATCH 0/4] ARM: Provide workaround setup bits for CVE-2017-5715 (A8/A15) Marek Vasut
2018-06-18 18:48 ` [U-Boot] " Tom Rini
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=20180629205316.GK18596@bill-the-cat \
--to=trini@konsulko.com \
--cc=linux-arm-kernel@lists.infradead.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox