From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
To: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
Cc: Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Stephen Smalley <sds-+05T5uksL2qpZYMLLGbcSA@public.gmane.org>,
Dave Jones
<davej-rdkfGonbjUTCLXcRTR1eJlpr/1R2p/CL@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Andy Lutomirski <luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Denys Vlasenko <dvlasenk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [GIT PULL] x86/mm changes for v4.4
Date: Fri, 6 Nov 2015 13:09:48 +0000 [thread overview]
Message-ID: <20151106130948.GD2651@codeblueprint.co.uk> (raw)
In-Reply-To: <CALCETrU2dn4TEj_2QiCPy4Mjw6hCbB84k1RnPzx7sLNygj4D5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Thu, 05 Nov, at 11:05:35PM, Andy Lutomirski wrote:
>
> Admittedly, we might need to use a certain amount of care to avoid
> interesting conflicts with the vmap mechanism. We might need to vmap
> all of the EFI stuff, and possibly even all the top-level entries that
> contain EFI stuff (i.e. exactly one of them unless EFI ends up *huge*)
> as a blank not-present region to avoid overlaps, but that's not a big
> deal.
There shouldn't be any room for conflicting with vmap() because the VA
region where we map EFI regions is still carved out especially for us.
Right Boris?
WARNING: multiple messages have this Message-ID (diff)
From: Matt Fleming <matt@codeblueprint.co.uk>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Ingo Molnar <mingo@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Stephen Smalley <sds@tycho.nsa.gov>,
Dave Jones <davej@codemonkey.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@kernel.org>,
Denys Vlasenko <dvlasenk@redhat.com>,
Kees Cook <keescook@chromium.org>,
linux-efi@vger.kernel.org
Subject: Re: [GIT PULL] x86/mm changes for v4.4
Date: Fri, 6 Nov 2015 13:09:48 +0000 [thread overview]
Message-ID: <20151106130948.GD2651@codeblueprint.co.uk> (raw)
In-Reply-To: <CALCETrU2dn4TEj_2QiCPy4Mjw6hCbB84k1RnPzx7sLNygj4D5Q@mail.gmail.com>
On Thu, 05 Nov, at 11:05:35PM, Andy Lutomirski wrote:
>
> Admittedly, we might need to use a certain amount of care to avoid
> interesting conflicts with the vmap mechanism. We might need to vmap
> all of the EFI stuff, and possibly even all the top-level entries that
> contain EFI stuff (i.e. exactly one of them unless EFI ends up *huge*)
> as a blank not-present region to avoid overlaps, but that's not a big
> deal.
There shouldn't be any room for conflicting with vmap() because the VA
region where we map EFI regions is still carved out especially for us.
Right Boris?
next prev parent reply other threads:[~2015-11-06 13:09 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-03 11:16 [GIT PULL] x86/mm changes for v4.4 Ingo Molnar
2015-11-04 19:26 ` Linus Torvalds
2015-11-04 23:39 ` Dave Jones
2015-11-05 1:31 ` Linus Torvalds
2015-11-05 2:17 ` Dave Jones
2015-11-05 21:27 ` Linus Torvalds
2015-11-05 21:33 ` Linus Torvalds
2015-11-06 11:39 ` Matt Fleming
[not found] ` <20151106113943.GB2651-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-11-07 7:05 ` Ingo Molnar
2015-11-07 7:05 ` Ingo Molnar
[not found] ` <20151107070554.GB6235-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-11-07 10:03 ` Matt Fleming
2015-11-07 10:03 ` Matt Fleming
2015-11-05 22:04 ` Linus Torvalds
2015-11-05 22:27 ` Borislav Petkov
2015-11-06 6:55 ` Ingo Molnar
2015-11-06 7:05 ` Andy Lutomirski
[not found] ` <CALCETrU2dn4TEj_2QiCPy4Mjw6hCbB84k1RnPzx7sLNygj4D5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-06 13:09 ` Matt Fleming [this message]
2015-11-06 13:09 ` Matt Fleming
[not found] ` <20151106130948.GD2651-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-11-06 13:24 ` Borislav Petkov
2015-11-06 13:24 ` Borislav Petkov
2015-11-07 7:03 ` Ingo Molnar
2015-11-06 7:44 ` Ingo Molnar
2015-11-06 12:39 ` Matt Fleming
[not found] ` <20151106123912.GC2651-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-11-07 7:09 ` Ingo Molnar
2015-11-07 7:09 ` Ingo Molnar
2015-11-07 7:39 ` Ard Biesheuvel
2015-11-08 6:58 ` Kees Cook
2015-11-08 7:55 ` Ard Biesheuvel
2015-11-08 7:55 ` Ard Biesheuvel
2015-11-09 21:08 ` Kees Cook
2015-11-10 7:08 ` Ard Biesheuvel
[not found] ` <CAKv+Gu9ct9Rwi+_-0KtLq3Gw2Rn+QLhSVt_zbn4zBxfk_Qs16g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-10 20:11 ` Kees Cook
2015-11-10 20:11 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151106130948.GD2651@codeblueprint.co.uk \
--to=matt-mf/unelci9gs6ibeejttw/xrex20p6io@public.gmane.org \
--cc=akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
--cc=bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org \
--cc=davej-rdkfGonbjUTCLXcRTR1eJlpr/1R2p/CL@public.gmane.org \
--cc=dvlasenk-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org \
--cc=keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org \
--cc=linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=luto-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org \
--cc=mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=sds-+05T5uksL2qpZYMLLGbcSA@public.gmane.org \
--cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
--cc=torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.