On Tue, 2015-05-12 at 15:32 +0200, Christophe Leroy wrote:
> This partially reverts
> commit 'powerpc: Remove duplicate cacheable_memcpy/memzero functions
> ("f909a35bdfb7cb350d078a2cf888162eeb20381c")'I don't have that SHA. Do you mean b05ae4ee602b7dc90771408ccf0972e1b3801a35? > Functions cacheable_memcpy/memzero are more efficient than > memcpy/memset as they use the dcbz instruction which avoids refill > of the cacheline with the data that we will overwrite. I don't see anything in this patchset that addresses the "NOTE: The old routines are just flat buggy on kernels that support hardware with different cacheline sizes" comment. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
