Hi Lin KJ, Lin KJ wrote: > I am trying to port the linux-2.6.24 on my arm940 based board. > I am a little confused by the cache flush routines in the proc-arm940.S. > I found that all the cache flush routines are doing flushing all. > Even it needs only to flush a range of cache entries, for example, > "arm940_flush_user_cache_range()". > Why not just clean the range of cache entries we needed? > Does it concern with the "MMU" issue?
I don't know why it is that way. But I can't see why it would be specific to non-MMU. Regards Greg ------------------------------------------------------------------------ Greg Ungerer -- Chief Software Dude EMAIL: [EMAIL PROTECTED] Secure Computing Corporation PHONE: +61 7 3435 2888 825 Stanley St, FAX: +61 7 3891 3630 Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev