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From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [kernel-hardening] [PATCH] arm: Always use REFCOUNT_FULL
Date: Thu, 4 Jan 2018 18:35:04 +0000	[thread overview]
Message-ID: <20180104183504.GQ28752@n2100.armlinux.org.uk> (raw)
In-Reply-To: <CAGXu5j+YsB1FWvZHEjnixU8RMpk-DLDYLXXmxfQjsU_gy64ZDQ@mail.gmail.com>

On Thu, Jan 04, 2018 at 10:32:46AM -0800, Kees Cook wrote:
> On Thu, Jan 4, 2018 at 4:28 AM, Jinbum Park <jinb.park7@gmail.com> wrote:
> > arm prefers to use REFCOUNT_FULL by default.
> > This enables it for arm.
> >
> > Signed-off-by: Jinbum Park <jinb.park7@gmail.com>
> 
> Acked-by: Kees Cook <keescook@chromium.org>

I'd help if there was some kind of explanation about this.  Not
everyone knows what REFCOUNT_FULL is.

Also, why does "arm" "prefer" to use this?  Where does the preference
come from - and why is it a preference but being enforced by the
Kconfig ?

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up
According to speedtest.net: 8.21Mbps down 510kbps up

  reply	other threads:[~2018-01-04 18:35 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-04 12:28 [kernel-hardening] [PATCH] arm: Always use REFCOUNT_FULL Jinbum Park
2018-01-04 18:32 ` Kees Cook
2018-01-04 18:35   ` Russell King - ARM Linux [this message]
2018-01-04 18:42     ` Kees Cook
2018-01-04 18:47       ` Russell King - ARM Linux

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