From: Sairaj Kodilkar <sarunkod@amd.com>
To: "Michael S. Tsirkin" <mst@redhat.com>,
Alejandro Jimenez <alejandro.j.jimenez@oracle.com>,
Ani Sinha <anisinha@redhat.com>,
"Eduardo Habkost" <eduardo@habkost.net>,
Igor Mammedov <imammedo@redhat.com>,
"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Sairaj Kodilkar <sarunkod@amd.com>, <qemu-devel@nongnu.org>
Cc: <vasant.hegde@amd.com>, <suravee.suthikulpanit@amd.com>
Subject: [PATCH 3/8] amd_iommu: Return empty efr for stub call
Date: Mon, 11 May 2026 18:09:32 +0530 [thread overview]
Message-ID: <20260511123937.32743-4-sarunkod@amd.com> (raw)
In-Reply-To: <20260511123937.32743-1-sarunkod@amd.com>
The stub call should not return normal EFR as it is used as place holder
when actual AMD IOMMU calls are not available. Hence return 0.
Signed-off-by: Sairaj Kodilkar <sarunkod@amd.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
---
hw/i386/amd_iommu-stub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/amd_iommu-stub.c b/hw/i386/amd_iommu-stub.c
index d62a3732e60f..fb36dee903ee 100644
--- a/hw/i386/amd_iommu-stub.c
+++ b/hw/i386/amd_iommu-stub.c
@@ -22,5 +22,5 @@
uint64_t amdvi_extended_feature_register(AMDVIState *s)
{
- return AMDVI_DEFAULT_EXT_FEATURES;
+ return 0;
}
--
2.34.1
next prev parent reply other threads:[~2026-05-11 12:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 12:39 [PATCH 0/8] acpi_build: Refactor and cleanup AMD IVRS build Sairaj Kodilkar
2026-05-11 12:39 ` [PATCH 1/8] tests/acpi: x86: Allow IVRS acpi table changes Sairaj Kodilkar
2026-05-11 12:39 ` [PATCH 2/8] amd_iommu: update PA, GVA and VA size macros Sairaj Kodilkar
2026-05-19 8:39 ` Vasant Hegde
2026-07-30 21:41 ` Alejandro Jimenez
2026-05-11 12:39 ` Sairaj Kodilkar [this message]
2026-07-30 21:45 ` [PATCH 3/8] amd_iommu: Return empty efr for stub call Alejandro Jimenez
2026-05-11 12:39 ` [PATCH 4/8] acpi_build: Use IOMMU pci device to build IOMMU device ID Sairaj Kodilkar
2026-07-30 22:35 ` Alejandro Jimenez
2026-07-31 9:50 ` Michael S. Tsirkin
2026-07-31 12:32 ` Sairaj Kodilkar
2026-05-11 12:39 ` [PATCH 5/8] acpi_build: Introduce necessary macros and structs for AMD IOMMU IVRS Sairaj Kodilkar
2026-05-11 12:39 ` [PATCH 6/8] acpi_build: Build IVRS feature report using extended feature register Sairaj Kodilkar
2026-05-19 8:43 ` Vasant Hegde
2026-05-11 12:39 ` [PATCH 7/8] acpi_build: Cleanup AMD IOMMU IVRS building Sairaj Kodilkar
2026-05-11 12:39 ` [PATCH 8/8] tests/acpi: x86: update golden masters for IVRS Sairaj Kodilkar
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