From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH 8/8] KVM: MMU: remove PT64_SECOND_AVAIL_BITS_SHIFT
Date: Fri, 23 Dec 2011 12:07:00 +0800 [thread overview]
Message-ID: <4EF3FE64.4070102@linux.vnet.ibm.com> (raw)
In-Reply-To: <4EEDC396.8090600@redhat.com>
On 12/18/2011 06:42 PM, Avi Kivity wrote:
> On 12/16/2011 12:18 PM, Xiao Guangrong wrote:
>> It is not used, remove it
>>
>> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
>> ---
>> arch/x86/kvm/mmu.c | 1 -
>> 1 files changed, 0 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
>> index 5d0f0e3..234a32e 100644
>> --- a/arch/x86/kvm/mmu.c
>> +++ b/arch/x86/kvm/mmu.c
>> @@ -91,7 +91,6 @@ module_param(dbg, bool, 0644);
>> #define PTE_PREFETCH_NUM 8
>>
>> #define PT_FIRST_AVAIL_BITS_SHIFT 9
>> -#define PT64_SECOND_AVAIL_BITS_SHIFT 52
>>
>>
>
> Don't see a reason to drop it, we may use it some day.
>
Anyway, it is not used in currently code, I do not have strong opinion on it :)
Please ignore it if you do not like.
next prev parent reply other threads:[~2011-12-23 4:07 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-16 10:13 [PATCH 0/8] KVM: MMU: reduce the size of shadow page structure and some cleanup Xiao Guangrong
2011-12-16 10:13 ` [PATCH 1/8] KVM: MMU: combine unsync and unsync_children Xiao Guangrong
2011-12-19 2:25 ` Takuya Yoshikawa
2011-12-22 16:06 ` Marcelo Tosatti
2011-12-23 4:11 ` Xiao Guangrong
2012-01-09 11:16 ` Marcelo Tosatti
2012-01-10 4:45 ` Xiao Guangrong
2011-12-16 10:14 ` [PATCH 2/8] KVM: MMU: set the dirty bit for the upper shadow page Xiao Guangrong
2012-01-09 11:30 ` Marcelo Tosatti
2012-01-10 4:46 ` Xiao Guangrong
2011-12-16 10:15 ` [PATCH 3/8] KVM: MMU: do not add a nonpresent spte to rmaps of its child Xiao Guangrong
2011-12-19 2:39 ` Takuya Yoshikawa
2011-12-19 8:32 ` Avi Kivity
2011-12-16 10:16 ` [PATCH 4/8] KVM: MMU: drop unsync_child_bitmap Xiao Guangrong
2011-12-18 8:59 ` Avi Kivity
2011-12-23 4:04 ` Xiao Guangrong
2011-12-16 10:16 ` [PATCH 5/8] KVM: MMU: optimize walking unsync shadow page Xiao Guangrong
2011-12-16 10:17 ` [PATCH 6/8] KVM: MMU: optimize handing invlpg Xiao Guangrong
2011-12-16 10:18 ` [PATCH 7/8] KVM: MMU: remove the redundant get_written_sptes Xiao Guangrong
2012-01-09 11:33 ` Marcelo Tosatti
2011-12-16 10:18 ` [PATCH 8/8] KVM: MMU: remove PT64_SECOND_AVAIL_BITS_SHIFT Xiao Guangrong
2011-12-18 10:42 ` Avi Kivity
2011-12-23 4:07 ` Xiao Guangrong [this message]
2012-01-09 5:04 ` [PATCH 0/8] KVM: MMU: reduce the size of shadow page structure and some cleanup Xiao Guangrong
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