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Re: [Xen-devel] [PATCH v3 1/4] x86/mm: Adapt MODULES_END based on Fixmap section size
- To: Thomas Garnier <thgarnie@xxxxxxxxxx>
- From: Borislav Petkov <bp@xxxxxxx>
- Date: Wed, 15 Feb 2017 16:49:21 +0100
- Cc: linux-efi@xxxxxxxxxxxxxxx, Stanislaw Gruszka <sgruszka@xxxxxxxxxx>, kvm list <kvm@xxxxxxxxxxxxxxx>, Radim Krčmář <rkrcmar@xxxxxxxxxx>, Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>, Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Kernel Hardening <kernel-hardening@xxxxxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, kasan-dev <kasan-dev@xxxxxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>, Len Brown <len.brown@xxxxxxxxx>, Rik van Riel <riel@xxxxxxxxxx>, Jiri Kosina <jikos@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, He Chen <he.chen@xxxxxxxxxxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, lguest@xxxxxxxxxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Adam Buchbinder <adam.buchbinder@xxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>, Linux PM list <linux-pm@xxxxxxxxxxxxxxx>, "Rafael J . Wysocki" <rjw@xxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, "Luis R . Rodriguez" <mcgrof@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
- Delivery-date: Wed, 15 Feb 2017 15:49:51 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Wed, Feb 15, 2017 at 07:40:51AM -0800, Thomas Garnier wrote:
> Why do you think they rely on it being static? The VSYSCALL address is
> not changed for example.
I don't know, that's why I'm asking first. Userspace is known to pick
different aspects of the kernel and deciding to use them for whatever.
And once it relies on that, there's no changing it.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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