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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=-1, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 17:26, Cédric Le Goater wrote: > 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. No, Zoltan is correct. They are defined for the target, so if you build for 32-bit ARM you'd still get things with "depends on AARCH64" in qemu-system-aarch64. You can check that you have config SBSA_REF bool default y depends on TCG && AARCH64 but on x86-64: $ qemu-system-aarch64 -M help|grep sbsa sbsa-ref QEMU 'SBSA Reference' ARM Virtual Machine > 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. Note that a deprecation *allows* full removal in 2 releases. We have a lot of things that are deprecated but have not been removed. For example Short-form boolean options (since 6.0) '''''''''''''''''''''''''''''''''''''' Boolean options such as ``share=on``/``share=off`` could be written in short form as ``share`` and ``noshare``. This is now deprecated and will cause a warning. is deprecated to *allow* switching command-line options from the "qemu-options" parser to the "keyval" parser that doesn't support short-form boolean options, but it's unlikely that qemu-options will drop support for short-form boolean options. Paolo