From: "David S. Miller" <davem@redhat.com>
To: sparclinux@vger.kernel.org
Subject: Re: TLB miss handler code
Date: Thu, 22 Jan 2004 01:52:50 +0000 [thread overview]
Message-ID: <20040121175250.78201627.davem@redhat.com> (raw)
In-Reply-To: <Pine.GSO.4.43.0401191315430.13707-100000@gatekeeper.ececs.uc.edu>
On Wed, 21 Jan 2004 18:14:05 -0500 (EST)
Nawab Ali <alin@ececs.uc.edu> wrote:
> Does it mean I'll have to muck around with the
> arch/sparc64/kernel/{itlb,dtlb}_*.S files if I have to log(create a
> tracefile) of all addresses that result in a TLB miss.
That's exactly correct.
In fact, you must not even change the number of instructions in these
routines because they fit _PRECISELY_ into the sparc v9 trap table
slots they are in. You would have to branch to some routine somewhere
else in the kernel in order to add even one extra instruction of code.
next prev parent reply other threads:[~2004-01-22 1:52 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
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 [this message]
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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