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linux/drivers/vfio/pci
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Alex Williamson f3e8a16c23 vfio/pci: Fallback huge faults for unaligned pfn 
commit 09dfc8a5f2 upstream.

The PFN must also be aligned to the fault order to insert a huge
pfnmap.  Test the alignment and fallback when unaligned.

Fixes: f9e54c3a2f ("vfio/pci: implement huge_fault support")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=219619
Reported-by: Athul Krishna <athul.krishna.kr@protonmail.com>
Reported-by: Precific <precification@posteo.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Precific <precification@posteo.de>
Link: https://lore.kernel.org/r/20250102183416.1841878-1-alex.williamson@redhat.com
Cc: stable@vger.kernel.org
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-01-17 13:40:45 +01:00
..
hisilicon [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
mlx5 vfio/mlx5: Align the page tracking max message size with the device capability 2024-12-14 20:04:14 +01:00
nvgrace-gpu vfio/nvgrace-gpu: Convey kvm to map device memory region as noncached 2024-03-04 16:11:06 -07:00
pds [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
qat vfio/qat: fix overflow check in qat_vf_resume_write() 2024-12-09 10:41:04 +01:00
virtio vfio/pci: rename and export range_intersect_range 2024-02-22 12:20:20 -07:00
Kconfig vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices 2024-04-29 13:25:41 -06:00
Makefile vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices 2024-04-29 13:25:41 -06:00
trace.h vfio/pci: Cleanup license mess 2019-01-22 11:06:05 -07:00
vfio_pci.c VFIO: Add the SPR_DSA and SPR_IAX devices to the denylist 2024-05-13 14:07:33 +00:00
vfio_pci_config.c vfio/pci: Properly hide first-in-list PCIe extended capability 2024-12-05 14:02:29 +01:00
vfio_pci_core.c vfio/pci: Fallback huge faults for unaligned pfn 2025-01-17 13:40:45 +01:00
vfio_pci_igd.c vfio: Use GFP_KERNEL_ACCOUNT for userspace persistent allocations 2023-01-23 11:26:29 -07:00
vfio_pci_intrs.c vfio/pci: fix potential memory leak in vfio_intx_enable() 2024-04-22 16:52:08 -06:00
vfio_pci_priv.h vfio/pci: Mask INTx during runtime suspend 2022-09-01 15:29:11 -06:00
vfio_pci_rdwr.c vfio/pci: Support 8-byte PCI loads and stores 2024-06-21 12:47:01 -06:00
vfio_pci_zdev.c Merge remote-tracking branch 'mlx5/mlx5-vfio' into v6.1/vfio/next 2022-09-08 10:44:34 -06:00