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[PATCH] iommu: restrict stratch page quarantining to specific iommu drivers
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
- Date: Fri, 25 Jul 2025 12:13:03 -0400
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- Cc: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 25 Jul 2025 16:13:30 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Scratch page quarantining is tied to specific IOMMU implementations, not
architectures, so tie it to AMD_IOMMU and INTEL_IOMMU instead of X86.
Fixes: dd7e55a8848c ("iommu: restrict scratch page quarantining to x86")
Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
---
xen/drivers/passthrough/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/drivers/passthrough/Kconfig b/xen/drivers/passthrough/Kconfig
index 11aece5f7bda..b413c33a4c7a 100644
--- a/xen/drivers/passthrough/Kconfig
+++ b/xen/drivers/passthrough/Kconfig
@@ -90,5 +90,5 @@ choice
bool "basic"
config IOMMU_QUARANTINE_SCRATCH_PAGE
bool "scratch page"
- depends on X86
+ depends on AMD_IOMMU || INTEL_IOMMU
endchoice
base-commit: 6cd9b9226c65c962b0f0e040e7d3d5c4053f8e06
--
2.50.1
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