linux-kernel - Re: [PATCH v2 00/18] arm64: Unmap the kernel whilst running in userspace (KAISER)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20171201175812.n6ht7h52j3z4pgw2@lakrids.cambridge.arm.com>
Date:   Fri, 1 Dec 2017 17:58:12 +0000
From:   Mark Rutland <mark.rutland@....com>
To:     Will Deacon <will.deacon@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        catalin.marinas@....com, ard.biesheuvel@...aro.org,
        sboyd@...eaurora.org, dave.hansen@...ux.intel.com,
        keescook@...omium.org, msalter@...hat.com, labbott@...hat.com,
        tglx@...utronix.de
Subject: Re: [PATCH v2 00/18] arm64: Unmap the kernel whilst running in
 userspace (KAISER)

On Fri, Dec 01, 2017 at 05:50:26PM +0000, Will Deacon wrote:
> On Fri, Dec 01, 2017 at 02:04:06PM +0000, Mark Rutland wrote:
> > On Thu, Nov 30, 2017 at 04:39:28PM +0000, Will Deacon wrote:
> Thanks for going through this. Do you have any ideas about what we could
> rename the command-line option to? I'll get us started:
> 
>   - kaiser=
>   - hidekernel=
>   - unmapkernel=
>   - hardenkaslr=
>   - swuan=

Off all of these, I think "unmapkernel" is the clear winner, since it
says what it does in the tin (even if it misses the when).

I'll have a think over the weekend.

Thanks,
Mark.