From: Ed L Cashin <ecashin@uga.edu>
To: sparclinux@vger.kernel.org
Subject: Re: TLB miss handler code
Date: Mon, 19 Jan 2004 21:27:13 +0000 [thread overview]
Message-ID: <87brozd3ym.fsf@uga.edu> (raw)
In-Reply-To: <Pine.GSO.4.43.0401191315430.13707-100000@gatekeeper.ececs.uc.edu>
Nawab Ali <alin@ececs.uc.edu> writes:
> Hi,
> I have a Sun Ultra-10 running Debian woody. I need to modify the TLB miss
> handler code. Basically everytime there is a TLB miss, I'm trying to log
> the new PTE that is brought into the TLB.
>
> I know that SPARC machines handle TLB refills in software. Can someone
> please point me to the TLB miss handler code(which file???) in the linux
> kernel(2.4.24)??? I'm a bit lost here.
>
> Any help would be greatly appreciated.
Well, I am not sure about 2.4.24, but in 2.6.0, the do_sparc64_fault
routine in arch/sparc64/mm/fault.c is invoked during TLB miss
handling. When it's a TLB miss you can tell by the fact that
(fault_code & FAULT_CODE_DTLB || fault_code & FAULT_CODE_ITLB).
--
--Ed L Cashin | PGP public key:
ecashin@uga.edu | http://noserose.net/e/pgp/
next prev parent reply other threads:[~2004-01-19 21:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-19 18:23 TLB miss handler code Nawab Ali
2004-01-19 21:27 ` Ed L Cashin [this message]
2004-01-20 23:46 ` Ben Collins
2004-01-21 0:33 ` Nawab Ali
2004-01-21 16:41 ` David S. Miller
2004-01-21 16:43 ` Ed L Cashin
2004-01-21 17:21 ` Ed L Cashin
2004-01-21 21:34 ` David S. Miller
2004-01-21 22:11 ` Ed L Cashin
2004-01-21 23:14 ` Nawab Ali
2004-01-22 1:52 ` David S. Miller
2004-01-22 2:15 ` Ed L Cashin
2004-01-22 2:16 ` David S. Miller
2004-01-22 5:01 ` Ed L Cashin
2004-01-22 5:24 ` Ed L Cashin
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