From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Kees Cook <keescook@chromium.org>
Cc: linux-kernel@vger.kernel.org, Pavel Machek <pavel@ucw.cz>,
Josh Boyer <jwboyer@fedoraproject.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Randy Dunlap <rdunlap@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Len Brown <len.brown@intel.com>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
linux-doc@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v3 0/2] make kASLR vs hibernation boot-time selectable
Date: Sat, 14 Jun 2014 01:25:11 +0200 [thread overview]
Message-ID: <2113876.sBNaASbVKF@vostro.rjw.lan> (raw)
In-Reply-To: <1402691436-20138-1-git-send-email-keescook@chromium.org>
On Friday, June 13, 2014 01:30:34 PM Kees Cook wrote:
> Distros want to be able to offer CONFIG_RANDOMIZE_BASE as well as
> CONFIG_HIBERNATION in a single kernel. Instead of making kASLR depend on
> !HIBERNATION at compile time, allow kaslr to be selectable at boot time
> (via "kaslr" kernel command line), which will disable hibernation in the
> kernel. In this way the end user can choose which feature they want more
> with hibernation continuing to stay enabled by default (no surprises).
>
> This also has the benefit of being able to entirely disable hibernation
> from the kernel command line, regardless of kASLR, which is a separately
> desired feature as well.
>
> v3:
> - switch from EINVAL to EPERM (pavel, jwboyer)
> v2:
> - rework using kernel command line instead of hibernation_mode (rjw)
That looks kind of OK.
Do you want me to push this through my tree?
Rafael
next prev parent reply other threads:[~2014-06-13 23:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-13 20:30 Kees Cook
2014-06-13 20:30 ` [PATCH v3 1/2] hibernate: create "nohibernate" boot parameter Kees Cook
2014-06-13 20:30 ` [PATCH v3 2/2] x86, kaslr: boot-time selectable with hibernation Kees Cook
2014-06-13 20:39 ` Pavel Machek
2014-06-13 23:25 ` Rafael J. Wysocki [this message]
2014-06-14 6:09 ` [PATCH v3 0/2] make kASLR vs hibernation boot-time selectable Kees Cook
2014-06-17 21:07 ` Rafael J. Wysocki
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