"Maciej W. Rozycki" wrote:
> Besides obvious bugfixes, it introduces two significant changes. First,
> flush_icache_page() now performs what the name suggests, i.e. flushes the
> instruction cache. Without this change ptrace(PTRACE_POKE*, ...) calls
> are unreliable. Second, it changes the assumption of the icache line size
> to a single word -- apparently, at least R3400 of DS5000/240 has an icache
> with such a layout (DEC docs confirm it, indeed). Without this change,
> there are problems with breakpoints placed at addresses equal 4 modulo 8.
> I vote for an immediate inclusion of these fixes.
Why did you change name of bits in CP0 regs ? It seems it's possible to
get the patch functionality w/o such a change. Morover, the changes in
the icache line size assumption
are already there, in 2.3. What is a version of linux you patch is