From: David Marchand <david.marchand@redhat.com>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev <dev@dpdk.org>, dpdk stable <stable@dpdk.org>, junx.w.zhou@intel.com
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3] eal/mem: preallocate VA space in no-huge mode
Date: Fri, 27 Mar 2020 11:16:06 +0100 [thread overview]
Message-ID: <CAJFAV8xzOq2J3ZtqaKucb83KFseEqJVGUepAcxi22dk0E0pijA@mail.gmail.com> (raw)
In-Reply-To: <CAJFAV8y+HchqfE85QNpvJ613RoUSuRce86V_=uD03jiYG6RWWg@mail.gmail.com>
On Wed, Mar 25, 2020 at 3:39 PM David Marchand
<david.marchand@redhat.com> wrote:
>
> On Fri, Feb 7, 2020 at 12:11 PM Anatoly Burakov
> <anatoly.burakov@intel.com> wrote:
> >
> > 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>
> Tested-by: David Marchand <david.marchand@redhat.com>
Tested-by: Jun W Zhou <junx.w.zhou@intel.com>
Applied, thanks.
--
David Marchand
prev parent reply other threads:[~2020-03-27 10:16 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
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 [this message]
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