From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ilya Yanok <yanok@emcraft.com>
Cc: linuxppc-dev@ozlabs.org, wd@denx.de, dzu@denx.de
Subject: Re: [RFC/PATCH] powerpc: consistent memory mapping.
Date: Wed, 10 Dec 2008 09:07:07 +1100 [thread overview]
Message-ID: <1228860427.22413.29.camel@pasglop> (raw)
In-Reply-To: <1228847026-5857-1-git-send-email-yanok@emcraft.com>
On Tue, 2008-12-09 at 21:23 +0300, Ilya Yanok wrote:
> Defining the start virtual address of the consistent memory
> in configs leads to overlapping of the consistent area with
> the other virtual regions (fixmap, pkmap, vmalloc). Defaults from
> current kernel just set consistent memory area to be somewhere
> high in the vmalloc area and then you need to pray there will be
> not enough vmalloc allocations to overlap.
.../...
What about just ripping that consistent memory implementation out
completely and using the normal vmalloc/ioremap allocator instead ?
Any reason not to ?
Cheers,
Ben.
prev parent reply other threads:[~2008-12-09 22:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-09 18:23 [RFC/PATCH] powerpc: consistent memory mapping Ilya Yanok
2008-12-09 22:07 ` Benjamin Herrenschmidt [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=1228860427.22413.29.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=dzu@denx.de \
--cc=linuxppc-dev@ozlabs.org \
--cc=wd@denx.de \
--cc=yanok@emcraft.com \
/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;
as well as URLs for NNTP newsgroup(s).