Re: End c-tx49.c's misserable existence

[Ralf Baechle <ralf@linux-mips.org>]

On Mon, Apr 14, 2003 at 12:35:14PM +0900, Atsushi Nemoto wrote:

> TOSHIBA_ICACHE_WAR can be removed.  This workaround is not needed
> if kernel does not modify the cache codes itself in run-time.
> 
> When I wrote c-tx49.c I blindly followed the statement in TX49/H2
> manual's statement. ("If the instruction (i.e. CACHE) is issued for
> the line which this instruction itself exists, the following operation
> is not guaranteed.")  Now I know this warning is only for
> self-modified code.  There must be no problem if the codes is not
> modified in run-time.  So please remove all TOSHIBA_ICACHE_WAR stuff
> and make c-r4k.c more clean.

Excellent.  This should provide a good performance boost for the TX49
also as disabling the I-cache during the flush made the operation even
slower than it has to be.

  Ralf