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From: Jason Gunthorpe <jgg@nvidia.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: qemu-devel@nongnu.org, Yi Liu <yi.l.liu@intel.com>,
	Eric Auger <eric.auger@redhat.com>,
	Zhenzhong Duan <zhenzhong.duan@intel.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Cedric Le Goater <clg@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	"Daniel P . Berrange" <berrange@redhat.com>,
	Eduardo Habkost <eduardo@habkost.net>,
	Eric Blake <eblake@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	Avihai Horon <avihaih@nvidia.com>
Subject: Re: [PATCH RFCv2 6/8] backends/iommufd: Add ability to disable hugepages
Date: Mon, 12 Feb 2024 12:59:46 -0400	[thread overview]
Message-ID: <20240212165946.GD4048826@nvidia.com> (raw)
In-Reply-To: <20240212135643.5858-7-joao.m.martins@oracle.com>

On Mon, Feb 12, 2024 at 01:56:41PM +0000, Joao Martins wrote:
> Allow disabling hugepages to be dirty track at base page
> granularity in similar vein to vfio_type1_iommu.disable_hugepages
> but per IOAS.

No objection to this, but I just wanted to observe I didn't imagine
using this option for this purpose. It should work OK but it is a
pretty big an inefficient hammer :)

Jason


  reply	other threads:[~2024-02-12 17:02 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-12 13:56 [PATCH RFCv2 0/8] vfio/iommufd: IOMMUFD Dirty Tracking Joao Martins
2024-02-12 13:56 ` [PATCH RFCv2 1/8] backends/iommufd: Introduce helper function iommufd_device_get_hw_capabilities() Joao Martins
2024-02-26  7:29   ` Duan, Zhenzhong
2024-02-26 10:10     ` Joao Martins
2024-02-27  4:04       ` Duan, Zhenzhong
2024-02-12 13:56 ` [PATCH RFCv2 2/8] vfio/iommufd: Introduce auto domain creation Joao Martins
2024-02-12 16:27   ` Jason Gunthorpe
2024-02-12 18:09     ` Joao Martins
2024-02-26  9:14       ` Duan, Zhenzhong
2024-02-13 12:01   ` Joao Martins
2024-02-19  8:58   ` Avihai Horon
2024-02-20 10:42     ` Joao Martins
2024-02-12 13:56 ` [PATCH RFCv2 3/8] vfio/iommufd: Probe and request hwpt dirty tracking capability Joao Martins
2024-02-19  9:03   ` Avihai Horon
2024-02-20 10:51     ` Joao Martins
2024-02-20 12:46       ` Avihai Horon
2024-02-12 13:56 ` [PATCH RFCv2 4/8] vfio/iommufd: Implement VFIOIOMMUClass::set_dirty_tracking support Joao Martins
2024-02-19  9:17   ` Avihai Horon
2024-02-12 13:56 ` [PATCH RFCv2 5/8] vfio/iommufd: Implement VFIOIOMMUClass::query_dirty_bitmap support Joao Martins
2024-02-19  9:30   ` Avihai Horon
2024-02-20 10:59     ` Joao Martins
2024-02-20 12:52       ` Avihai Horon
2024-02-20 13:17         ` Joao Martins
2024-02-12 13:56 ` [PATCH RFCv2 6/8] backends/iommufd: Add ability to disable hugepages Joao Martins
2024-02-12 16:59   ` Jason Gunthorpe [this message]
2024-02-12 17:17   ` Markus Armbruster
2024-02-12 19:16     ` Joao Martins
2024-02-19 10:05   ` Avihai Horon
2024-02-20 11:01     ` Joao Martins
2024-02-12 13:56 ` [PATCH RFCv2 7/8] vfio/migration: Don't block migration device dirty tracking is unsupported Joao Martins
2024-02-19 10:12   ` Avihai Horon
2024-02-20 11:05     ` Joao Martins
2024-02-12 13:56 ` [PATCH RFCv2 8/8] vfio/common: Allow disabling device dirty page tracking Joao Martins
2024-02-13 11:59 ` [PATCH RFCv2 0/8] vfio/iommufd: IOMMUFD Dirty Tracking Joao Martins
2024-02-14 15:40   ` Cédric Le Goater
2024-02-14 16:25     ` Joao Martins
2024-02-15 14:20       ` Eric Auger

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