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?
next prev parent reply other threads:[~2015-11-06 13:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20151103111649.GA3477@gmail.com>
[not found] ` <CA+55aFzcwO+RSLeHOwAYvjZ5AcVvD9Th2=G3R=ZQY1xf+MkDow@mail.gmail.com>
[not found] ` <20151104233907.GA25925@codemonkey.org.uk>
[not found] ` <CA+55aFxb14eM6b=ctq65Dx-Ujehj2dbtsVM9rrVOVfLgT=EoHg@mail.gmail.com>
[not found] ` <20151105021710.GA22941@codemonkey.org.uk>
[not found] ` <CA+55aFyXNFu_TfmBjGedCRujoAbhqiBcia7XOtzSq0uxbVv6MA@mail.gmail.com>
[not found] ` <CA+55aFyC7L85SYen3Uz6e1cvH0jXzQ9_MddHJ=7PxvpOR2U23w@mail.gmail.com>
2015-11-06 11:39 ` [GIT PULL] x86/mm changes for v4.4 Matt Fleming
[not found] ` <20151106113943.GB2651-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-11-07 7:05 ` Ingo Molnar
[not found] ` <20151107070554.GB6235-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-11-07 10:03 ` Matt Fleming
[not found] ` <20151106065549.GA2031@gmail.com>
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 7:39 ` Ard Biesheuvel
2015-11-08 6:58 ` Kees Cook
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
[not found] ` <CALCETrU2dn4TEj_2QiCPy4Mjw6hCbB84k1RnPzx7sLNygj4D5Q@mail.gmail.com>
[not found] ` <CALCETrU2dn4TEj_2QiCPy4Mjw6hCbB84k1RnPzx7sLNygj4D5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-06 13:09 ` Matt Fleming [this message]
[not found] ` <20151106130948.GD2651-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-11-06 13:24 ` Borislav Petkov
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