On 10.10.2019 13:33, Roger Pau Monne wrote:
> On Intel hardware there's currently no translation of already enabled
> IO-APIC pins when interrupt remapping is enabled on the IOMMU, hence
> introduce a logic similar to the one used in x2apic_bsp_setup in order
> to save and mask all IO-APIC pins, and then translate and restore them
> after interrupt remapping has been enabled.
> 
> With this change the AMD specific logic to deal with enabled pins
> (amd_iommu_setup_ioapic_remapping) can be removed, thus unifying the
> handling of IO-APIC when enabling interrupt remapping regardless of
> the IOMMU vendor.
> 
> Reported-by: Andrew Cooper <andrew.coop...@citrix.com>
> Signed-off-by: Roger Pau Monné <roger....@citrix.com>

The actual code change
Reviewed-by: Jan Beulich <jbeul...@suse.com>
but please mention here as well that the ExtInt case continues to be
broken in the AMD case.

Jan

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel

Reply via email to