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[Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-trave
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling |
Date: |
Wed, 10 Feb 2010 09:55:50 -0600 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 |
On 02/10/2010 07:20 AM, Avi Kivity wrote:
> On 02/10/2010 12:52 PM, OHMURA Kei wrote:
>
>> dirty-bitmap-traveling is carried out by byte size in qemu-kvm.c.
>> But We think that dirty-bitmap-traveling by long size is faster than by byte
>> size especially when most of memory is not dirty.
>>
>> --- a/bswap.h
>> +++ b/bswap.h
>> @@ -209,7 +209,6 @@ static inline void cpu_to_be32wu(uint32_t *p, uint32_t v)
>> #define cpu_to_32wu cpu_to_le32wu
>> #endif
>>
>> -#undef le_bswap
>> #undef be_bswap
>> #undef le_bswaps
>>
>>
>
> Anthony, is it okay to export le_bswap this way, or will you want
> leul_to_cpu()?
>
Oh, I see what's happening here. Yes, I think a leul_to_cpu() makes more
sense.
Regards,
Anthony Liguori
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, (continued)
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Anthony Liguori, 2010/02/10
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Avi Kivity, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Anthony Liguori, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Avi Kivity, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Avi Kivity, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/10
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Avi Kivity, 2010/02/10
[Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling,
Anthony Liguori <=
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, OHMURA Kei, 2010/02/11
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Avi Kivity, 2010/02/14
- [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, OHMURA Kei, 2010/02/15
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/15
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, OHMURA Kei, 2010/02/16
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/16
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, OHMURA Kei, 2010/02/17
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/17
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, OHMURA Kei, 2010/02/18
- Re: [Qemu-devel] Re: [PATCH v2] qemu-kvm: Speed up of the dirty-bitmap-traveling, Alexander Graf, 2010/02/18