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Re: [Qemu-devel] [PATCH V4 10/12] SD card users: optimize access to SDCl
Re: [Qemu-devel] [PATCH V4 10/12] SD card users: optimize access to SDClass methods
Tue, 31 Jul 2012 22:33:08 +0400
Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0
On 07/31/2012 10:15 PM, Anthony Liguori wrote:
How many loop iterations that? 300us is a huge amount of time, unless
you were looping on every byte, I have a hard time understanding that
I'm not sure I understand what you mean, I did loop on every byte,
that's how our SD model works. So, for 4K bytes qemu have to call
SD_GET_CLASS >4K times.
Or you're asking about write sequence length? It was 10 writes of 4096
bytes (not statistically reliable, I have to agree).
[Qemu-devel] [PATCH V4 07/12] hw/sd.c: make sd_wp_addr() return bool, Igor Mitsyanko, 2012/07/27
[Qemu-devel] [PATCH V4 12/12] hw/sd.c: introduce SD card "drive" property, Igor Mitsyanko, 2012/07/27
- Re: [Qemu-devel] [PATCH V4 08/12] hw/sd.c: add SD card save/load support, (continued)