kernel-hacking-2024-linux-s.../arch/sh/kernel/cpu/sh4
Paul Mundt 26b7a78c55 sh: Lazy dcache writeback optimizations.
This converts the lazy dcache handling to the model described in
Documentation/cachetlb.txt and drops the ptep_get_and_clear() hacks
used for the aliasing dcaches on SH-4 and SH7705 in 32kB mode. As a
bonus, this slightly cuts down on the cache flushing frequency.

With that and the PTEA handling out of the way, the update_mmu_cache()
implementations can be consolidated, and we no longer have to worry
about which configuration the cache is in for the SH7705 case.

And finally, explicitly disable the lazy writeback on SMP (SH-4A).

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-02-13 10:54:44 +09:00
..
clock-sh4-202.c sh: Clock framework tidying. 2006-12-06 10:45:40 +09:00
clock-sh4.c
ex.S sh: Fix exception_handling_table alignment. 2006-10-19 16:30:32 +09:00
fpu.c sh: Set up correct siginfo structures for page faults. 2006-12-06 10:45:38 +09:00
Makefile sh: SH-MobileR SH7722 CPU support. 2006-12-12 08:42:09 +09:00
probe.c sh: Lazy dcache writeback optimizations. 2007-02-13 10:54:44 +09:00
setup-sh4-202.c sh: Add setup code for various CPU subtypes. 2006-09-27 17:30:35 +09:00
setup-sh7750.c sh: register rtc resources for sh775x. 2006-12-12 08:42:07 +09:00
setup-sh7760.c sh: Convert INTC2 to IRQ table registration. 2006-10-20 15:30:55 +09:00
sq.c sh: Convert remaining remap_area_pages() users to ioremap_page_range(). 2006-12-12 08:42:08 +09:00