From: Borislav Petkov <bp@alien8.de>
To: Thomas Garnier <thgarnie@chromium.org>
Cc: kernel-hardening@lists.openwall.com, kristen@linux.intel.com,
keescook@chromium.org, Juergen Gross <jgross@suse.com>,
Thomas Hellstrom <thellstrom@vmware.com>,
"VMware, Inc." <pv-drivers@vmware.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v10 10/11] x86/paravirt: Adapt assembly for PIE support
Date: Tue, 24 Dec 2019 11:04:23 +0100 [thread overview]
Message-ID: <20191224100423.GC21017@zn.tnic> (raw)
In-Reply-To: <20191223172350.GH16710@zn.tnic>
On Mon, Dec 23, 2019 at 06:23:50PM +0100, Borislav Petkov wrote:
> On Wed, Dec 04, 2019 at 04:09:47PM -0800, Thomas Garnier wrote:
> > If PIE is enabled, switch the paravirt assembly constraints to be
> > compatible. The %c/i constrains generate smaller code so is kept by
> > default.
> >
> > Position Independent Executable (PIE) support will allow to extend the
> > KASLR randomization range below 0xffffffff80000000.
> >
> > Signed-off-by: Thomas Garnier <thgarnie@chromium.org>
> > Acked-by: Juergen Gross <jgross@suse.com>
> > ---
> > arch/x86/include/asm/paravirt_types.h | 32 +++++++++++++++++++++++----
> > 1 file changed, 28 insertions(+), 4 deletions(-)
>
> More missed feedback:
>
> https://lkml.kernel.org/r/CAJcbSZG-JhBC9b1JMv1zq2r5uRQipYLtkNjM67sd7=eqy_iOaA@mail.gmail.com
Whoops, it is in the comment above PARAVIRT_CALL_POST. I must've been
blind yesterday. Forget what I said and sorry.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2019-12-24 10:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-05 0:09 [PATCH v10 00/11] x86: PIE support to extend KASLR randomization Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 01/11] x86/crypto: Adapt assembly for PIE support Thomas Garnier
2019-12-18 12:46 ` Borislav Petkov
2019-12-18 16:35 ` Thomas Garnier
2019-12-18 16:45 ` Borislav Petkov
2019-12-05 0:09 ` [PATCH v10 02/11] x86: Add macro to get symbol address " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 03/11] x86: relocate_kernel - Adapt assembly " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 04/11] x86/entry/64: " Thomas Garnier
2019-12-05 9:03 ` Peter Zijlstra
2019-12-05 17:01 ` Thomas Garnier
2019-12-06 10:26 ` Peter Zijlstra
2019-12-06 16:35 ` Thomas Garnier
2019-12-20 16:05 ` Borislav Petkov
2019-12-05 0:09 ` [PATCH v10 05/11] x86: pm-trace - " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 06/11] x86/CPU: " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 07/11] x86/acpi: " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 08/11] x86/boot/64: " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 09/11] x86/power/64: " Thomas Garnier
2019-12-05 0:09 ` [PATCH v10 10/11] x86/paravirt: " Thomas Garnier
2019-12-23 17:23 ` Borislav Petkov
2019-12-24 10:04 ` Borislav Petkov [this message]
2019-12-05 0:09 ` [PATCH v10 11/11] x86/alternatives: " Thomas Garnier
2019-12-19 13:34 ` [PATCH v10 00/11] x86: PIE support to extend KASLR randomization Peter Zijlstra
2019-12-19 16:35 ` Thomas Garnier
2019-12-24 13:03 ` Borislav Petkov
2019-12-30 18:52 ` Kees Cook
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