From: "Kip Walker" <kwalker@broadcom.com>
To: "Ralf Baechle" <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Subject: Re: [PATCH]: load_mmu for SMP systems
Date: Mon, 28 Apr 2003 07:43:19 -0700 [thread overview]
Message-ID: <3EAD3E07.C5651D44@broadcom.com> (raw)
In-Reply-To: 20030428025639.A20753@linux-mips.org
Ralf Baechle wrote:
>
> > TLB flush routines that have loops running up to tlbsize will lose if
> > it's not set properly on all CPUs!
>
> Yeah, they're going to be sort of slow. There must be a reason for all
> those GHz processors ;-)
Um, it was worse than that if (for example) a complete TLB flush has a
"for (i=0; i<0; i++)" loop around it. My board was experiencing
occasional userland segfaults thanks to bogus TLB flushing.
Kip
prev parent reply other threads:[~2003-04-28 14:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-25 18:24 [PATCH]: load_mmu for SMP systems Kip Walker
2003-04-25 18:28 ` Kip Walker
2003-04-28 0:56 ` Ralf Baechle
2003-04-28 14:43 ` Kip Walker [this message]
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=3EAD3E07.C5651D44@broadcom.com \
--to=kwalker@broadcom.com \
--cc=linux-mips@linux-mips.org \
--cc=ralf@linux-mips.org \
/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.