From: Pavel Machek <pavel@ucw.cz>
Subject: Re: [PATCH v3 11/27] x86/power/64: Adapt assembly for PIE support
Date: Fri, 25 May 2018 11:10:24 +0200
Message-ID: <20180525091024.GA9666@amd>
References: <20180523195421.180248-1-thgarnie@google.com>
	<20180523195421.180248-12-thgarnie@google.com>
	<20180524110341.GB20225@amd>
	<CAJcbSZEnRhFDvYCG4ORH71LrcH2bAzOU5yF-oa9KkLpKo5UuSQ@mail.gmail.com>
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Cc: Kate Stewart <kstewart@linuxfoundation.org>,
	Nicolas Pitre <nicolas.pitre@linaro.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Petr Mladek <pmladek@suse.com>, Len Brown <len.brown@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Yonghong Song <yhs@fb.com>, Christopher Li <sparse@chrisli.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	LKML <linux-kernel@vger.kernel.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Jan Beulich <JBeulich@suse.com>, "H . Peter Anvin" <hpa@zytor.com>,
	Kernel Hardening <kernel-hardening@lists.openwall.com>,
	Christoph Lameter <cl@linux.com>, Alok Kataria <akataria@vmware.com>,
	Linux Doc Mailing List <linux-doc@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Herbert Xu <herbert@gondor.
To: Thomas Garnier <thgarnie@google.com>
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On Thu 2018-05-24 09:37:20, Thomas Garnier wrote:
> On Thu, May 24, 2018 at 4:04 AM Pavel Machek <pavel@ucw.cz> wrote:
>=20
> > On Wed 2018-05-23 12:54:05, Thomas Garnier wrote:
> > > Change the assembly code to use only relative references of symbols f=
or
> the
> > > kernel to be PIE compatible.
> > >
> > > Position Independent Executable (PIE) support will allow to extended =
the
> > > KASLR randomization range below the -2G memory limit.
> > >
> > > Signed-off-by: Thomas Garnier <thgarnie@google.com>
>=20
> > Again, was this tested?
>=20
> Hibernation was tested as much as I can with qemu and my dedicated
>machine.

Ok, good.

Acked-by: Pavel Machek <pavel@ucw.cz>

> Any specific test you think I should use?

Hibernation working should be good enough test for this.

Thanks,
								Pavel

--=20
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo=
g.html

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