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(parent: 0ab3565) | patch
s390x/pci: only limit DMA aperture if vfio DMA limit reported
authorMatthew Rosato <mjrosato@linux.ibm.com>
Fri, 10 Nov 2023 17:51:08 +0000 (12:51 -0500)
committerThomas Huth <thuth@redhat.com>
Mon, 13 Nov 2023 10:35:47 +0000 (11:35 +0100)
commit8011b508cf0ddbdbda03820f4fa6cd484a6d9aed
tree7d54b744e723ac8864497690d4315ce9b9da41fetree | snapshot
parent0ab35658401a2e0a411ce0d1836a4f509bde717acommit | diff
s390x/pci: only limit DMA aperture if vfio DMA limit reported

If the host kernel lacks vfio DMA limit reporting, do not attempt
to shrink the guest DMA aperture.

Fixes: df202e3ff3 ("s390x/pci: shrink DMA aperture to be bound by vfio DMA limit")
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20231110175108.465851-3-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
hw/s390x/s390-pci-vfio.c diff | blob | history
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