On 17.07.2025 09:31, Andrii Sultanov wrote:
> Following on from 250d87dc3ff9 ("x86/msi: Change __msi_set_enable() to
> take pci_sbdf_t"), make struct amd_iommu contain pci_sbdf_t directly
> instead of specifying seg+bdf separately and regenerating sbdf_t from them,
> which simplifies code.
> 
> Bloat-o-meter reports:
> add/remove: 0/0 grow/shrink: 4/13 up/down: 121/-377 (-256)
> Function                                     old     new   delta
> _einittext                                 22028   22092     +64
> amd_iommu_prepare                            853     897     +44
> __mon_lengths                               2928    2936      +8
> _invalidate_all_devices                      133     138      +5
> _hvm_dpci_msi_eoi                            157     155      -2
> build_info                                   752     744      -8
> amd_iommu_add_device                         856     844     -12
> amd_iommu_msi_enable                          33      20     -13
> update_intremap_entry_from_msi_msg           879     859     -20
> amd_iommu_msi_msg_update_ire                 472     448     -24
> send_iommu_command                           251     224     -27
> amd_iommu_get_supported_ivhd_type             86      54     -32
> amd_iommu_detect_one_acpi                    918     886     -32
> iterate_ivrs_mappings                        169     129     -40
> flush_command_buffer                         460     417     -43
> set_iommu_interrupt_handler                  421     377     -44
> enable_iommu                                1745    1665     -80
> 
> Resolves: https://gitlab.com/xen-project/xen/-/issues/198
> 
> Reported-by: Andrew Cooper <andrew.coop...@citrix.com>
> Signed-off-by: Andrii Sultanov <sultanovand...@gmail.com>

Acked-by: Jan Beulich <jbeul...@suse.com>

I'd like to note though that "drivers:" is pretty unspecific a patch subject
prefix, when only a single component (driver) there is being altered.

Jan

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