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| From: | Peter Maydell |
| Subject: | Re: [Qemu-devel] [PATCH V4 10/12] SD card users: optimize access to SDClass methods |
| Date: | Tue, 31 Jul 2012 16:43:44 +0100 |
On 27 July 2012 20:29, Igor Mitsyanko <address@hidden> wrote: > Rather that repeatedly call SD_GET_CLASS() in a loop, call it once before > a loop starts. Anthony claims that SD_GET_CLASS should be cheap enough that we don't need to hoist it out of loops like this. Do you have profiling data or similar that caused you to write this patch? -- PMM
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