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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox