From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot, 4/4] ARM: mach-omap2: omap3/am335x: Enable ACR::IBE on Cortex-A8 SoCs for CVE-2017-5715
Date: Fri, 29 Jun 2018 16:53:26 -0400 [thread overview]
Message-ID: <20180629205326.GL18596@bill-the-cat> (raw)
In-Reply-To: <20180612202411.29798-5-nm@ti.com>
On Tue, Jun 12, 2018 at 03:24:11PM -0500, Nishanth Menon wrote:
> Enable CVE-2017-5715 option to set the IBE bit. This enables kernel
> workarounds necessary for the said CVE.
>
> With this enabled, Linux reports:
> CPU0: Spectre v2: using BPIALL workaround
>
> This workaround may need to be re-applied in OS environment around low
> power transition resume states where context of ACR would be lost (off-mode
> etc).
>
> Signed-off-by: Nishanth Menon <nm@ti.com>
Applied to u-boot/master, thanks!
--
Tom
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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 [U-Boot] [PATCH 0/4] ARM: Provide workaround setup bits for CVE-2017-5715 (A8/A15) Nishanth Menon
2018-06-12 20:24 ` [U-Boot] [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] [U-Boot, " Tom Rini
2018-06-12 20:24 ` [U-Boot] [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] [U-Boot, " Tom Rini
2018-06-12 20:24 ` [U-Boot] [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 ` [U-Boot] [U-Boot, " Tom Rini
2018-06-12 20:24 ` [U-Boot] [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 ` Tom Rini [this message]
2018-06-12 23:06 ` [U-Boot] [PATCH 0/4] ARM: Provide workaround setup bits for CVE-2017-5715 (A8/A15) Marek Vasut
2018-06-18 18:48 ` Tom Rini
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