| To: | linux-mips@linux-mips.org |
|---|---|
| Subject: | Re: [PATCH] local_r4k_flush_cache_page fix |
| From: | Atsushi Nemoto <anemo@mba.ocn.ne.jp> |
| Date: | Wed, 01 Feb 2006 15:31:54 +0900 (JST) |
| Cc: | ralf@linux-mips.org |
| In-reply-to: | <20060201.000356.25911337.anemo@mba.ocn.ne.jp> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <20060201.000356.25911337.anemo@mba.ocn.ne.jp> |
| Sender: | linux-mips-bounce@linux-mips.org |
>>>>> On Wed, 01 Feb 2006 00:03:56 +0900 (JST), Atsushi Nemoto >>>>> <anemo@mba.ocn.ne.jp> said: anemo> If dcache_size != icache_size or dcache_size != scache_size, anemo> icache/scache does not flushed properly. Use correct cache anemo> size to calculate index value for scache/icache. BTW, I wonder if current code (with or without this patch) works properly for physically indexed cache. Though I do not know if there were physically indexed icache, there are certainly physically indexed dcache (ex. MIPS 20KC). For those physically indexed caches, we should use 'pfn' argument passed to flush_cache_page ? --- Atsushi Nemoto |
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