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d="scan'208";a="4044141" From: Andrew Cooper To: Xen-devel Date: Mon, 5 Aug 2019 17:44:30 +0100 Message-ID: <20190805164430.27121-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] passthrough/amd: Drop "IOMMU not found" message X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Jan Beulich , Wei Liu , Andrew Cooper , Suravee Suthikulpanit , Boris Ostrovsky , Brian Woods , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" 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 cases. Signed-off-by: Andrew Cooper Acked-by: Brian Woods Acked-by: Jan Beulich --- CC: Jan Beulich CC: Wei Liu CC: Roger Pau Monn=C3=A9 CC: Boris Ostrovsky CC: Suravee Suthikulpanit CC: Brian Woods --- 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 b/xen/drivers/pass= through/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) =20 if ( (amd_iommu_detect_acpi() !=3D0) || (iommu_found() =3D=3D 0) ) { - printk("AMD-Vi: IOMMU not found!\n"); iommu_intremap =3D 0; return -ENODEV; } --=20 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel