On Tuesday, August 23, 2011 16:12:03 Wolfgang Denk wrote: > Anton Staaf wrote: > > > what about adding a new func like: > > > #define dma_buffer_alloca(size) > > > > I generally avoid large allocations on the stack, they can confuse > > virtual stack management and blow out small embedded stacks. But > > neither of these are really a problem for most U-Boot targets. Are > > you thinking something like: > > > > #define dma_buffer_alloca(size) alloca(size + get_dcache_line_size() - > > 1) & ~(get_dcache_line_size() - 1); > > I don't think I will accept any alloca() based code into mainline.
hmm, for some reason i thought we were using alloca. but i dont see any consumers in u-boot itself. -mike
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