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
