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iommu/amd: Clarify AMD IOMMUv2 initialization messages

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commit 717e88aad3 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>
This commit is contained in:
Joerg Roedel
2021-11-23 11:55:07 +01:00
committed by Greg Kroah-Hartman
parent 5655b8bccb
commit fbc0514e1a
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/iommu/amd/iommu_v2.c
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@@ -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: