From: Stephen Hemminger <stephen@networkplumber.org>
To: Baruch Even <baruch@weka.io>
Cc: Bruce Richardson <bruce.richardson@intel.com>, dpdk-dev <dev@dpdk.org>
Subject: Re: Hugepage migration
Date: Tue, 30 May 2023 08:33:28 -0700 [thread overview]
Message-ID: <20230530083328.0958fee1@hermes.local> (raw)
In-Reply-To: <CAKye4QbGfmFRf5YH-PeoEMnOmtEdXAux8ddNcHTjhUNaFWo+NA@mail.gmail.com>
On Tue, 30 May 2023 16:53:14 +0300
Baruch Even <baruch@weka.io> wrote:
> > what kernel driver was being used for the device I/O part? Was it a UIO
> > based driver or "vfio-pci"? When using vfio-pci and configuring IOMMU
> > mappings, the pages mapped should be pinned by the kernel, I would have
> > thought, since the kernel knows they are being used by devices.
> >
> > /Bruce
> >
>
> This was using igb_uio on an AWS instance with their ena driver.
>
> Baruch
Try VFIO, using igb_uio is effectively and out tree driver and the kernel
maintainers are unlikely to give you much support.
prev parent reply other threads:[~2023-05-30 15:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-28 20:07 Hugepage migration Baruch Even
2023-05-30 1:35 ` Stephen Hemminger
2023-05-30 13:51 ` Baruch Even
2023-05-30 3:11 ` Stephen Hemminger
2023-05-30 8:04 ` Bruce Richardson
2023-05-30 13:53 ` Baruch Even
2023-05-30 15:33 ` Stephen Hemminger [this message]
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