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authorMark Nelson <markn@au1.ibm.com>2008-08-22 14:36:19 +1000
committerPaul Mackerras <paulus@samba.org>2008-09-15 11:07:38 -0700
commit2a9294369bd020db89bfdf78b84c3615b39a5c84 (patch)
treefff7367780a53e7e9bd85d5003f28195dda0fc5f /arch/powerpc/lib
parent1b3c83e6d3b4d3001e42a9cf800c0071adf8e2c9 (diff)
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 <markn@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/lib')
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