From: Mark Nelson Date: Fri, 22 Aug 2008 04:36:19 +0000 (+1000) Subject: powerpc: Add new CPU feature: CPU_FTR_CP_USE_DCBTZ X-Git-Tag: v2.6.28-rc1~569^2~75 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2a9294369bd020db89bfdf78b84c3615b39a5c84;p=pandora-kernel.git powerpc: Add new CPU feature: CPU_FTR_CP_USE_DCBTZ Add a new CPU feature bit, CPU_FTR_CP_USE_DCBTZ, to be added to the 64bit powerpc chips that benefit from having dcbt and dcbz instructions used in their memory copy routines. This will be used in a subsequent patch that updates copy_4K_page(). The new bit is added to Cell, PPC970 and Power4 because they show better performance with the new copy_4K_page() when dcbt and dcbz instructions are used. Signed-off-by: Mark Nelson Signed-off-by: Paul Mackerras --- Reading git-diff-tree failed