From: Borislav Petkov <bp@suse.de>
To: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>, Yinghai Lu <yinghai@kernel.org>,
Baoquan He <bhe@redhat.com>, Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>, Vivek Goyal <vgoyal@redhat.com>,
Andy Lutomirski <luto@kernel.org>,
lasse.collin@tukaani.org,
Andrew Morton <akpm@linux-foundation.org>,
Dave Young <dyoung@redhat.com>,
kernel-hardening@lists.openwall.com,
LKML <linux-kernel@vger.kernel.org>
Subject: [kernel-hardening] Re: [PATCH v8 1/4] x86/KASLR: Clarify identity map interface
Date: Tue, 10 May 2016 19:44:07 +0200 [thread overview]
Message-ID: <20160510174407.GG28520@pd.tnic> (raw)
In-Reply-To: <1462900755-20005-2-git-send-email-keescook@chromium.org>
On Tue, May 10, 2016 at 10:19:12AM -0700, Kees Cook wrote:
> This extracts the call to prepare_level4() into a top-level function
> that the user of the pagetable.c interface must call to initialize
> the new page tables. For clarity and to match the "finalize" function,
> it has been renamed to initialize_identity_maps(). This function also
> gains the initialization of mapping_info so we don't have to do it each
> time in add_identity_map().
>
> Additionally add copyright notice to the top, to make it clear that the
> bulk of the pagetable.c code was written by Yinghai, and that I just
> added bugs later. :)
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/x86/boot/compressed/kaslr.c | 3 +++
> arch/x86/boot/compressed/misc.h | 3 +++
> arch/x86/boot/compressed/pagetable.c | 26 ++++++++++++++++----------
> 3 files changed, 22 insertions(+), 10 deletions(-)
Exactly!
Acked-by: Borislav Petkov <bp@suse.de>
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--
WARNING: multiple messages have this Message-ID (diff)
From: Borislav Petkov <bp@suse.de>
To: Kees Cook <keescook@chromium.org>
Cc: Ingo Molnar <mingo@kernel.org>, Yinghai Lu <yinghai@kernel.org>,
Baoquan He <bhe@redhat.com>, Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>, Vivek Goyal <vgoyal@redhat.com>,
Andy Lutomirski <luto@kernel.org>,
lasse.collin@tukaani.org,
Andrew Morton <akpm@linux-foundation.org>,
Dave Young <dyoung@redhat.com>,
kernel-hardening@lists.openwall.com,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 1/4] x86/KASLR: Clarify identity map interface
Date: Tue, 10 May 2016 19:44:07 +0200 [thread overview]
Message-ID: <20160510174407.GG28520@pd.tnic> (raw)
In-Reply-To: <1462900755-20005-2-git-send-email-keescook@chromium.org>
On Tue, May 10, 2016 at 10:19:12AM -0700, Kees Cook wrote:
> This extracts the call to prepare_level4() into a top-level function
> that the user of the pagetable.c interface must call to initialize
> the new page tables. For clarity and to match the "finalize" function,
> it has been renamed to initialize_identity_maps(). This function also
> gains the initialization of mapping_info so we don't have to do it each
> time in add_identity_map().
>
> Additionally add copyright notice to the top, to make it clear that the
> bulk of the pagetable.c code was written by Yinghai, and that I just
> added bugs later. :)
>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/x86/boot/compressed/kaslr.c | 3 +++
> arch/x86/boot/compressed/misc.h | 3 +++
> arch/x86/boot/compressed/pagetable.c | 26 ++++++++++++++++----------
> 3 files changed, 22 insertions(+), 10 deletions(-)
Exactly!
Acked-by: Borislav Petkov <bp@suse.de>
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--
next prev parent reply other threads:[~2016-05-10 17:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-10 17:19 [kernel-hardening] [PATCH v8 0/4] x86/KASLR: Randomize virtual address separately Kees Cook
2016-05-10 17:19 ` Kees Cook
2016-05-10 17:19 ` [kernel-hardening] [PATCH v8 1/4] x86/KASLR: Clarify identity map interface Kees Cook
2016-05-10 17:19 ` Kees Cook
2016-05-10 17:44 ` Borislav Petkov [this message]
2016-05-10 17:44 ` Borislav Petkov
2016-05-11 6:24 ` [kernel-hardening] " Ingo Molnar
2016-05-11 6:24 ` Ingo Molnar
2016-05-11 15:23 ` [kernel-hardening] " Kees Cook
2016-05-11 15:23 ` Kees Cook
2016-05-12 8:30 ` [kernel-hardening] " Ingo Molnar
2016-05-12 8:30 ` Ingo Molnar
2016-05-12 8:31 ` [kernel-hardening] " Ingo Molnar
2016-05-12 8:31 ` Ingo Molnar
2016-05-10 17:19 ` [kernel-hardening] [PATCH v8 2/4] x86/KASLR: Randomize virtual address separately Kees Cook
2016-05-10 17:19 ` Kees Cook
2016-05-10 17:19 ` [kernel-hardening] [PATCH v8 3/4] x86/KASLR: Add physical address randomization >4G Kees Cook
2016-05-10 17:19 ` Kees Cook
2016-05-10 17:19 ` [kernel-hardening] [PATCH v8 4/4] x86/KASLR: Allow randomization below load address Kees Cook
2016-05-10 17:19 ` Kees Cook
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