From: Grant Grundler <grundler@parisc-linux.org>
To: Joel Soete <soete.joel@tiscali.be>
Cc: parisc-linux@parisc-linux.org
Subject: Re: [parisc-linux] flush_tlb_all_local:
Date: Sun, 12 Oct 2003 21:12:58 -0600 [thread overview]
Message-ID: <20031013031258.GC2467@colo.lackof.org> (raw)
In-Reply-To: <3F897C56.800@tiscali.be>
On Sun, Oct 12, 2003 at 04:07:50PM +0000, Joel Soete wrote:
> ldo R%REAL_MODE_PSW(%r1), %r1
> mtctl %r1, %cr22
> mtctl %r0, %cr17
> mtctl %r0, %cr17
> [...]
>
> Why twice 'mtctl %r0, %cr17'?
Good question. No clue. Looks like a brain fart since clearing it
once should work unless there's a weird bug. I'll remove it.
> and also:
> [...]
> fitmanymiddle: /* Loop if LOOP >= 2 */
> ADDIB> -1,%r31,fitmanymiddle /* Adjusted inner loop
> decr */
> pitlbe 0(%sr1,%r28)
> pitlbe,m %arg1(%sr1,%r28) /* Last pitlbe and addr
> adjust */
>
> Typicaly the function name is flush_..., so why do we 'purge' here?
AFAICT, because purge is sufficient.
It doesn't look like parisc even provides a FITBLE instruction.
thanks,
grant
next prev parent reply other threads:[~2003-10-13 3:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-12 16:07 [parisc-linux] flush_tlb_all_local: Joel Soete
2003-10-13 3:12 ` Grant Grundler [this message]
2003-10-13 4:14 ` Grant Grundler
2003-10-13 18:57 ` John David Anglin
2003-10-13 19:44 ` Matthew Wilcox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031013031258.GC2467@colo.lackof.org \
--to=grundler@parisc-linux.org \
--cc=parisc-linux@parisc-linux.org \
--cc=soete.joel@tiscali.be \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.