linux-kernel - Re: [Xen-devel] [PATCH 2/2] xen/pci: Use APIC directly when APIC virtualization is supported by hardware

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Date:	Tue, 21 Oct 2014 15:18:16 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Andrew Cooper <andrew.cooper3@...rix.com>, david.vrabel@...rix.com,
	konrad.wilk@...cle.com
CC:	linux-kernel@...r.kernel.org, xen-devel@...ts.xen.org
Subject: Re: [Xen-devel] [PATCH 2/2] xen/pci: Use APIC directly when APIC
 virtualization is supported by hardware


On 10/21/2014 03:10 PM, Andrew Cooper wrote:
> On 21/10/14 20:01, Boris Ostrovsky wrote:
>> diff --git a/arch/x86/include/asm/xen/cpuid.h b/arch/x86/include/asm/xen/cpuid.h
>> new file mode 100644
>> index 0000000..e57a457
>> --- /dev/null
>> +++ b/arch/x86/include/asm/xen/cpuid.h
>> @@ -0,0 +1,81 @@
>> +/******************************************************************************
>> + * arch-x86/cpuid.h
>> + *
>> + * CPUID interface to Xen.
>> + *
>> + * Permission is hereby granted, free of charge, to any person obtaining a copy
>> + * of this software and associated documentation files (the "Software"), to
>> + * deal in the Software without restriction, including without limitation the
>> + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
>> + * sell copies of the Software, and to permit persons to whom the Software is
>> + * furnished to do so, subject to the following conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be included in
>> + * all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
>> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
>> + * DEALINGS IN THE SOFTWARE.
>> + *
>> + * Copyright (c) 2007 Citrix Systems, Inc.
>> + *
>> + * Authors:
>> + *    Keir Fraser <keir@....org>
>> + */
>> +
>> +#ifndef __XEN_PUBLIC_ARCH_X86_CPUID_H__
>> +#define __XEN_PUBLIC_ARCH_X86_CPUID_H__
>> +
>> +/* Xen identification leaves start at 0x40000000. */
> On reading this, I notice that the Xen header files are wrong.  I will
> submit a correction.

You mean GPL part is missing?

I'll pick it up then when you are done since I need to resubmit this 
anyway --- I forgot to run checkpatch and there is a bunch of whitespace 
errors.

Thanks.
-boris

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