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From: "H. Peter Anvin" <hpa@zytor.com>
To: David Vrabel <david.vrabel@citrix.com>,
	David Vrabel <david.vrabel@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/4] x86: add desc_equal() to compare GDT descriptors
Date: Tue, 17 Jul 2012 17:57:40 +0200	[thread overview]
Message-ID: <a4d36849-1b12-4cb5-a4d2-8be7ee063810@email.android.com> (raw)
In-Reply-To: <50058319.2030502@citrix.com>

Sorry we're all travelling at the moment

David Vrabel <david.vrabel@citrix.com> wrote:

>On 09/07/12 11:39, David Vrabel wrote:
>> From: David Vrabel <david.vrabel@citrix.com>
>> 
>> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
>
>ping?  Can we get an x86 an x86 maintainer for this patch, please?
>
>David
>
>> ---
>>  arch/x86/include/asm/desc.h |    6 ++++++
>>  1 files changed, 6 insertions(+), 0 deletions(-)
>> 
>> diff --git a/arch/x86/include/asm/desc.h
>b/arch/x86/include/asm/desc.h
>> index 8bf1c06..d26f059 100644
>> --- a/arch/x86/include/asm/desc.h
>> +++ b/arch/x86/include/asm/desc.h
>> @@ -85,6 +85,12 @@ static inline int desc_empty(const void *ptr)
>>  	return !(desc[0] | desc[1]);
>>  }
>>  
>> +static inline bool desc_equal(const struct desc_struct *d1,
>> +			      const struct desc_struct *d2)
>> +{
>> +	return d1->a == d2->a && d1->b == d2->b;
>> +}
>> +
>>  #ifdef CONFIG_PARAVIRT
>>  #include <asm/paravirt.h>
>>  #else

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

  reply	other threads:[~2012-07-17 15:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-09 10:39 [PATCH 0/4] x86/xen: page fault and context switch performance (v2) David Vrabel
2012-07-09 10:39 ` [PATCH 1/4] xen/mm: do direct hypercall in xen_set_pte() if batching is unavailable David Vrabel
2012-07-09 10:39 ` [PATCH 2/4] xen/mm: zero PTEs for non-present MFNs in the initial page table David Vrabel
2012-07-09 10:39 ` [PATCH 3/4] x86: add desc_equal() to compare GDT descriptors David Vrabel
2012-07-11 19:21   ` Konrad Rzeszutek Wilk
2012-07-17 15:22   ` David Vrabel
2012-07-17 15:57     ` H. Peter Anvin [this message]
2012-07-09 10:39 ` [PATCH 4/4] x86/xen: avoid updating TLS descriptors if they haven't changed David Vrabel
2012-07-09 14:38 ` [Xen-devel] [PATCH 0/4] x86/xen: page fault and context switch performance (v2) Ian Campbell

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