From: Geert Uytterhoeven <geert@linux-m68k.org>
To: veerasena reddy <veerasena_b@yahoo.co.in>
Cc: linux-mips <linux-mips@linux-mips.org>,
"linux-kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: linux cache routines for Write-back cache policy on MIPS24KE
Date: Mon, 1 Oct 2007 11:23:05 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.64.0710011121300.20679@anakin> (raw)
In-Reply-To: <119374.35234.qm@web8401.mail.in.yahoo.com>
On Mon, 1 Oct 2007, veerasena reddy wrote:
> I have ported Linux-2.6.18 kernel on MIPS24KE
> processor. I am using write back cache policy.
>
> Could you please guide me under what cases the below
> cache API's are being used:
> - dma_cache_wback_inv() : Could you explain what
> exactly this function does
It does both write back and invalidate.
> - dma_cache_wback() : This function write back the
> cache data to memory
> - dma_cache_inv : This function invalidate the cache
> tags. so subsequent access will fetch from memory.
Note that 2.6.18 is old. The above functions are intended to be removed.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2007-10-01 9:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-01 9:04 veerasena reddy
2007-10-01 9:23 ` Geert Uytterhoeven [this message]
2007-10-01 10:51 ` veerasena reddy
2007-10-01 11:42 ` Geert Uytterhoeven
2007-10-01 12:13 ` veerasena reddy
2007-10-01 10:59 ` Ralf Baechle
2007-10-01 12:10 ` veerasena reddy
2007-10-03 10:57 ` Ralf Baechle
2007-10-08 13:58 ` veerasena reddy
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