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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.44, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 2/26/25 15:12, BALATON Zoltan wrote: > On Wed, 26 Feb 2025, Cédric Le Goater wrote: >> VFIO PCI never worked on PPC32 nor ARM, S390x is 64-bit, it might have >> worked on i386 long ago but we have no plans to further support VFIO >> on any 32-bit host platforms. Restrict to 64-bit host platforms. >> >> Cc: Harsh Prateek Bora >> Cc: Tony Krowiak >> Cc: Eric Farman >> Cc: Eric Auger >> Signed-off-by: Cédric Le Goater >> --- >> hw/vfio/Kconfig | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/hw/vfio/Kconfig b/hw/vfio/Kconfig >> index 7cdba0560aa821c88d3420b36f86020575834202..6ed825429a9151fcdff33e95d1a310210689b258 100644 >> --- a/hw/vfio/Kconfig >> +++ b/hw/vfio/Kconfig >> @@ -7,7 +7,7 @@ config VFIO_PCI >>     default y >>     select VFIO >>     select EDID >> -    depends on LINUX && PCI >> +    depends on LINUX && PCI && (AARCH64 || PPC64 || X86_64 || S390X) > > Are these defined for the host or target? host. > I see PPC is defined in target/ppc/Kconfig so I think these mark the target not the host. Vfio-pci works with qemu-system-ppc Ah ! I am surprised. Which host and QEMU machine please ? > and we are trying to use it for GPU pass through for 32 bit PPC guests. Please keep that enabled. As per commit 6d701c9bac1d3571e9ad511e01b27df7237f0b13 "meson: Deprecate 32-bit host support", support will be fully removed in 2 releases and it doesn't need to be addressed by VFIO. Thanks, C. > > Regards, > BALATON Zoltan > >> config VFIO_CCW >>     bool >>