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[PATCH v2 0/2] tools: Fix PVH dom0 passthrough with legacy irq


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Jason Andryuk <jason.andryuk@xxxxxxx>
  • Date: Fri, 7 Mar 2025 19:17:09 -0500
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  • Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jason Andryuk <jason.andryuk@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, "Juergen Gross" <jgross@xxxxxxxx>
  • Delivery-date: Sat, 08 Mar 2025 00:16:30 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

A PCI device may not have a legacy IRQ assigned.  This series allows
passthrough of such a device to a guest.

It relies on a Linux change to xen-pciback to also handle missing legacy
IRQs:
https://lore.kernel.org/xen-devel/20250226200134.29759-1-jason.andryuk@xxxxxxx/T/#u

Jason Andryuk (2):
  tools/ctrl: Silence missing GSI in xc_pcidev_get_gsi()
  tools/libxl: Skip missing PCI GSIs

 tools/libs/ctrl/xc_linux.c   | 11 ++++++++---
 tools/libs/light/libxl_x86.c | 10 ++++++++--
 2 files changed, 16 insertions(+), 5 deletions(-)

-- 
2.34.1




 


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