Re: [vfio-users] semantics of VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP

2021-06-01 Thread Thanos Makatos
> -Original Message- > From: Alex Williamson > Sent: 01 June 2021 15:14 > To: Thanos Makatos > Cc: vfio-users@redhat.com; John Levon ; Swapnil > Ingle ; linux-ker...@vger.kernel.org; > k...@vger.kernel.org > Subject: Re: semantics of VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP > > On Tue,

Re: [vfio-users] semantics of VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP

2021-06-01 Thread Alex Williamson
On Tue, 1 Jun 2021 13:48:22 + Thanos Makatos wrote: > (sending here as I can't find a relevant list in > http://vger.kernel.org/vger-lists.html) $ ./scripts/get_maintainer.pl include/uapi/linux/vfio.h Alex Williamson (maintainer:VFIO DRIVER) Cornelia Huck (reviewer:VFIO DRIVER)

[vfio-users] semantics of VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP

2021-06-01 Thread Thanos Makatos
(sending here as I can't find a relevant list in http://vger.kernel.org/vger-lists.html) I'm trying to understand the semantics of VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP. My (very rough) understanding so far is that once a page gets pinned then it's considered dirty and if the page is still