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2007-03-05sh: Revert lazy dcache writeback changes.Paul Mundt1-1/+62
These ended up causing too many problems on older parts, revert for now.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-02-13sh: Local TLB flushing variants for SMP prep.Paul Mundt1-1/+1
Rename the existing flush routines to local_ variants for use by the IPI-backed global flush routines on SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-02-13sh: Fixup cpu_data references for the non-boot CPUs.Paul Mundt1-1/+1
There are a lot of bogus cpu_data-> references that only end up working for the boot CPU, convert these to current_cpu_data to fixup SMP. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-02-13sh: Lazy dcache writeback optimizations.Paul Mundt1-62/+1
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>
2005-11-07[PATCH] sh: Use pfn_valid() for lazy dcache write-back on SH7705Paul Mundt1-7/+12
SH7705 in extended cache mode has some left-over VALID_PAGE() cruft that it checks when doing lazy dcache write-back. This has been gone for some time (the last bits were in the discontig code, which should now also be gone -- this also fixes up a build error in the non-discontig case). pfn_valid() gives the desired behaviour, so we switch to that. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2Linus Torvalds1-0/+92
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!