From: Thomas Monjalon <thomas@monjalon.net>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org, david.marchand@redhat.com
Subject: Re: [dpdk-dev] [PATCH v2] eal/mem: preallocate VA space in no-huge mode
Date: Thu, 06 Feb 2020 22:07:10 +0100 [thread overview]
Message-ID: <1702814.BzM5BlMlMQ@xps> (raw)
In-Reply-To: <3220926.qSoW2BAyJ8@xps>
06/02/2020 16:39, Thomas Monjalon:
> 24/01/2020 18:05, Anatoly Burakov:
> > When --no-huge mode is used, the memory is currently allocated with
> > mmap(NULL, ...). This is fine in most cases, but can fail in cases
> > where DPDK is run on a machine with an IOMMU that is of more limited
> > address width than that of a VA, because we're not specifying the
> > address hint for mmap() call.
> >
> > Fix it by preallocating VA space before mapping it.
> >
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
>
> Applied, thanks
Eventually dropped from DPDK 20.02-rc2 because it is breaking no-huge mode.
Sorry
next prev parent reply other threads:[~2020-02-06 21:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-24 17:01 [dpdk-dev] [PATCH] " Anatoly Burakov
2020-01-24 17:05 ` [dpdk-dev] [PATCH v2] " Anatoly Burakov
2020-02-06 15:39 ` Thomas Monjalon
2020-02-06 21:07 ` Thomas Monjalon [this message]
2020-02-07 11:11 ` [dpdk-dev] [PATCH v3] " Anatoly Burakov
2020-03-25 14:39 ` [dpdk-dev] [dpdk-stable] " David Marchand
2020-03-26 17:06 ` Burakov, Anatoly
2020-03-27 6:33 ` David Marchand
[not found] ` <6473a4fe45d8437285fd8a1e931a1cb8@intel.com>
2020-03-27 2:23 ` Zhou, JunX W
2020-03-27 10:16 ` David Marchand
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=1702814.BzM5BlMlMQ@xps \
--to=thomas@monjalon.net \
--cc=anatoly.burakov@intel.com \
--cc=david.marchand@redhat.com \
--cc=dev@dpdk.org \
--cc=stable@dpdk.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).