Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping

2018-07-30 Thread Burakov, Anatoly
On 30-Jul-18 9:51 AM, Burakov, Anatoly wrote: On 29-Jul-18 9:44 AM, Jerin Jacob wrote: -Original Message- Date: Thu, 26 Jul 2018 11:35:43 +0200 From: Thomas Monjalon To: Takeshi Yoshimura Cc: dev@dpdk.org, Anatoly Burakov Subject: Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of

Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping

2018-07-30 Thread Burakov, Anatoly
On 29-Jul-18 9:44 AM, Jerin Jacob wrote: -Original Message- Date: Thu, 26 Jul 2018 11:35:43 +0200 From: Thomas Monjalon To: Takeshi Yoshimura Cc: dev@dpdk.org, Anatoly Burakov Subject: Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping 20/07/2018 10:13, Takeshi Yoshimura

Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping

2018-07-29 Thread Jerin Jacob
-Original Message- > Date: Thu, 26 Jul 2018 11:35:43 +0200 > From: Thomas Monjalon > To: Takeshi Yoshimura > Cc: dev@dpdk.org, Anatoly Burakov > Subject: Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping > > > 20/07/2018 10:13, Takeshi Yoshimura:

Re: [dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping

2018-07-26 Thread Thomas Monjalon
20/07/2018 10:13, Takeshi Yoshimura: > Currently, VFIO will try to map around MSI-X table in the BARs. When > MSI-X table (page-aligned) size is equal to (page-aligned) size of BAR, > VFIO will just skip the BAR. > > Recent kernel versions will allow VFIO to map the entire BAR containing > MSI-X t

[dpdk-dev] [PATCH v5] vfio: fix workaround of BAR mapping

2018-07-20 Thread Takeshi Yoshimura
Currently, VFIO will try to map around MSI-X table in the BARs. When MSI-X table (page-aligned) size is equal to (page-aligned) size of BAR, VFIO will just skip the BAR. Recent kernel versions will allow VFIO to map the entire BAR containing MSI-X tables (*), so instead of trying to map around the