From: Richard Henderson <rth@twiddle.net>
To: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Cc: qemu-devel@nongnu.org, David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH 01/14] Generic DMA memory access interface
Date: Thu, 02 Jun 2011 12:28:53 -0700 [thread overview]
Message-ID: <4DE7E475.2010201@twiddle.net> (raw)
In-Reply-To: <20110602173507.GA4735@localhost>
On 06/02/2011 10:35 AM, Eduard - Gabriel Munteanu wrote:
> My latest patches seem to have fixed that:
>
> + if (plen < *len) {
> + *len = plen;
> + }
> +
> + buf = cpu_physical_memory_map(paddr, len, is_write);
No, len is (or was in previous patches) dma_addr_t which
is not the same as target_phys_addr_t.
Which is why plen was used before, because it was the
right type.
r~
next prev parent reply other threads:[~2011-06-02 19:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 15:12 [Qemu-devel] Yet another take on a generic dma/iommu layer David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 01/14] Generic DMA memory access interface David Gibson
2011-06-02 16:43 ` Richard Henderson
2011-06-02 17:35 ` Eduard - Gabriel Munteanu
2011-06-02 19:28 ` Richard Henderson [this message]
2011-06-02 19:59 ` Eduard - Gabriel Munteanu
2011-06-02 15:12 ` [Qemu-devel] [PATCH 02/14] pci: add IOMMU support via the generic DMA layer David Gibson
2011-06-02 16:49 ` Richard Henderson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 03/14] AMD IOMMU emulation David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 04/14] ide: use the DMA memory access interface for PCI IDE controllers David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 05/14] rtl8139: use the DMA memory access interface David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 06/14] eepro100: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 07/14] ac97: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 08/14] es1370: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 09/14] e1000: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 10/14] lsi53c895a: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 11/14] pcnet: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 12/14] usb-uhci: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 13/14] usb-ohci: " David Gibson
2011-06-02 15:12 ` [Qemu-devel] [PATCH 14/14] Make spapr tces use generic dma layer David Gibson
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=4DE7E475.2010201@twiddle.net \
--to=rth@twiddle.net \
--cc=david@gibson.dropbear.id.au \
--cc=eduard.munteanu@linux360.ro \
--cc=qemu-devel@nongnu.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 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).