On Monday, August 22, 2011 03:29:52 Lukasz Majewski wrote: > On Fri, 19 Aug 2011 11:35:50 -0400 Mike Frysinger wrote: > > On Friday, August 19, 2011 11:28:18 Lukasz Majewski wrote: > > > On Fri, 19 Aug 2011 09:57:10 -0400 Mike Frysinger wrote: > > > > On Friday, August 19, 2011 05:25:13 Lukasz Majewski wrote: > > > > also, what is the code size increase with your patch ? > > > > > > Code size overhead (s5p_goni target): > > > Without proposed changes: 167928 B (u-boot.bin) > > > With changes: 168208 B (u-boot.bin) > > > > > > Delta: 280 B > > > > np if it gives significant (more than system noise) speedups. any > > details on that ? > > No tests performed yet. The goal of those patches is to preserve the > MMC subsystem functionality when dcache is enabled (the ext_csd[512] > corruption is observed with d-cache enabled).
so you're papering over a bug in some controller's cache handling ? shouldnt you fix the controller in question by having it flush its caches ? aligning random buffers to make cache issues "go away" isnt the right way for anything. -mike
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