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[Xen-devel] [PATCH] passthrough/amd: Drop "IOMMU not found" message

Since c/s 9fa94e10585 "x86/ACPI: also parse AMD IOMMU tables early", this
function is unconditionally called in all cases where a DMAR ACPI table
doesn't exist.

As a consequnce, "AMD-Vi: IOMMU not found!" is printed in all cases where an
IOMMU isn't present, even on non-AMD systems.  Drop the message - it isn't
terribly interesting anyway, and is now misleading is a number of common

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
CC: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
CC: Brian Woods <brian.woods@xxxxxxx>
 xen/drivers/passthrough/amd/pci_amd_iommu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/drivers/passthrough/amd/pci_amd_iommu.c 
index b3e1933b53..3bcfcc8404 100644
--- a/xen/drivers/passthrough/amd/pci_amd_iommu.c
+++ b/xen/drivers/passthrough/amd/pci_amd_iommu.c
@@ -155,7 +155,6 @@ int __init acpi_ivrs_init(void)
     if ( (amd_iommu_detect_acpi() !=0) || (iommu_found() == 0) )
-        printk("AMD-Vi: IOMMU not found!\n");
         iommu_intremap = 0;
         return -ENODEV;

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