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Re: [Xen-devel] [PATCH v5 2/3] x86: Remap GDT tables in the Fixmap section
- To: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- From: Thomas Garnier <thgarnie@xxxxxxxxxx>
- Date: Thu, 9 Mar 2017 14:31:49 -0800
- Cc: Michal Hocko <mhocko@xxxxxxxx>, Stanislaw Gruszka <sgruszka@xxxxxxxxxx>, kvm list <kvm@xxxxxxxxxxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>, Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>, Frederic Weisbecker <fweisbec@xxxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>, "linux-mm@xxxxxxxxx" <linux-mm@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxx>, Radim Krčmář <rkrcmar@xxxxxxxxxx>, "linux-efi@xxxxxxxxxxxxxxx" <linux-efi@xxxxxxxxxxxxxxx>, Alexander Potapenko <glider@xxxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, "kernel-hardening@xxxxxxxxxxxxxxxxxx" <kernel-hardening@xxxxxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, zijun_hu <zijun_hu@xxxxxxx>, Prarit Bhargava <prarit@xxxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, Len Brown <len.brown@xxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, X86 ML <x86@xxxxxxxxxx>, "Luis R . Rodriguez" <mcgrof@xxxxxxxxxx>, kasan-dev <kasan-dev@xxxxxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, 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>, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, lguest@xxxxxxxxxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, "linux-pm@xxxxxxxxxxxxxxx" <linux-pm@xxxxxxxxxxxxxxx>, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>, "Rafael J . Wysocki" <rjw@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx>
- Delivery-date: Thu, 09 Mar 2017 22:32:05 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Thu, Mar 9, 2017 at 2:13 PM, Boris Ostrovsky
<boris.ostrovsky@xxxxxxxxxx> wrote:
>
>>> I don't have any experience with Xen so it would be great if virtme can
>>> test it.
>>
>> I am pretty sure I tested this series at some point but I'll test it again.
>>
>
>
> Fails 32-bit build:
>
>
> /home/build/linux-boris/arch/x86/kvm/vmx.c: In function ‘segment_base’:
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: error: ‘host_gdt’
> undeclared (first use in this function)
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: error: (Each undeclared
> identifier is reported only once
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: error: for each
> function it appears in.)
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: error: type defaults to
> ‘int’ in declaration of ‘type name’
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: error: type defaults to
> ‘int’ in declaration of ‘type name’
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: warning: initialization
> from incompatible pointer type
> /home/build/linux-boris/arch/x86/kvm/vmx.c:2054: warning: unused
> variable ‘gdt’
>
>
> -boris
It seems that I forgot to remove line 2054 on the rebase. My 32-bit
build comes clean but I assume it is not good enough compare to the
full version I build for 64-bit KVM testing.
Remove just this line and it should build fine, I will fix this on the
next iteration.
Thanks for testing,
--
Thomas
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