From: Joerg Roedel <jroedel@suse.de>
Date: Tue, 23 Nov 2021 11:55:07 +0100
Subject: iommu/amd: Clarify AMD IOMMUv2 initialization messages
Git-commit: 717e88aad37befedfd531378b632e794e24e9afb
Patch-mainline: v5.16-rc3
References: git-fixes
The messages printed on the initialization of the AMD IOMMUv2 driver
have caused some confusion in the past. Clarify the messages to lower
the confusion in the future.
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20211123105507.7654-3-joro@8bytes.org
---
drivers/iommu/amd/iommu_v2.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/iommu/amd/iommu_v2.c
+++ b/drivers/iommu/amd/iommu_v2.c
@@ -929,10 +929,8 @@ static int __init amd_iommu_v2_init(void
{
int ret;
- pr_info("AMD IOMMUv2 driver by Joerg Roedel <jroedel@suse.de>\n");
-
if (!amd_iommu_v2_supported()) {
- pr_info("AMD IOMMUv2 functionality not available on this system\n");
+ pr_info("AMD IOMMUv2 functionality not available on this system - This is not a bug.\n");
/*
* Load anyway to provide the symbols to other modules
* which may use AMD IOMMUv2 optionally.
@@ -947,6 +945,8 @@ static int __init amd_iommu_v2_init(void
amd_iommu_register_ppr_notifier(&ppr_nb);
+ pr_info("AMD IOMMUv2 loaded and initialized\n");
+
return 0;
out: