[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20180422080520.GC17875@amd>
Date: Sun, 22 Apr 2018 10:05:21 +0200
From: Pavel Machek <pavel@....cz>
To: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-kernel@...ts.infradead.org, arnd@...db.de,
catalin.marinas@....com, cdall@...nel.org, drjones@...hat.com,
kvmarm@...ts.cs.columbia.edu, linux-arch@...r.kernel.org,
marc.zyngier@....com, ramana.radhakrishnan@....com,
suzuki.poulose@....com, will.deacon@....com,
linux-kernel@...r.kernel.org, awallis@...eaurora.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCHv3 11/11] arm64: docs: document pointer authentication
Hi!
> @@ -205,6 +205,14 @@ Before jumping into the kernel, the following conditions must be met:
> ICC_SRE_EL2.SRE (bit 0) must be initialised to 0b0.
> - The DT or ACPI tables must describe a GICv2 interrupt controller.
>
> + For CPUs with pointer authentication functionality:
> + - If EL3 is present:
> + SCR_EL3.APK (bit 16) must be initialised to 0b1
> + SCR_EL3.API (bit 17) must be initialised to 0b1
> + - If the kernel is entered at EL1:
> + HCR_EL2.APK (bit 40) must be initialised to 0b1
> + HCR_EL2.API (bit 41) must be initialised to 0b1
> +
0b1 is quite confusing way to write 1.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
Download attachment "signature.asc" of type "application/pgp-signature" (182 bytes)
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
