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authorJoerg Roedel <jroedel@suse.de>2021-11-23 13:55:07 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-12-01 11:19:09 +0300
commitfbc0514e1a343f82cfa7afa3aedda9007ccaac9b (patch)
tree0f4e45095d1b962a9f3c1ddb2f2ff4aabec5922e
parent5655b8bccb8a19a34c83225a1c7bf2adca50c2c3 (diff)
downloadlinux-fbc0514e1a343f82cfa7afa3aedda9007ccaac9b.tar.xz
iommu/amd: Clarify AMD IOMMUv2 initialization messages
commit 717e88aad37befedfd531378b632e794e24e9afb upstream. 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 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/iommu/amd/iommu_v2.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/amd/iommu_v2.c b/drivers/iommu/amd/iommu_v2.c
index 5ecc0bc608ec..fb61bdca4c2c 100644
--- a/drivers/iommu/amd/iommu_v2.c
+++ b/drivers/iommu/amd/iommu_v2.c
@@ -927,10 +927,8 @@ 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: