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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-stable] [dpdk-dev] [PATCH v2] eal/mem: preallocate VA space in no-huge mode
Date: Thu, 06 Feb 2020 22:07:10 +0100
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



  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-24 17:01 [dpdk-stable] [PATCH] " Anatoly Burakov
2020-01-24 17:05 ` [dpdk-stable] [PATCH v2] " Anatoly Burakov
2020-02-06 15:39   ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon
2020-02-06 21:07     ` Thomas Monjalon [this message]
2020-02-07 11:11   ` [dpdk-stable] [PATCH v3] " Anatoly Burakov
2020-03-25 14:39     ` 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         ` [dpdk-stable] [dpdk-dev] " Zhou, JunX W
2020-03-27 10:16       ` [dpdk-stable] " David Marchand

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