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iommu/amd: Clarify AMD IOMMUv2 initialization messages

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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
This commit is contained in:
Joerg Roedel 2021-11-23 11:55:07 +01:00
parent 21e96a2035
commit 717e88aad3
1 changed files with 3 additions and 3 deletions
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6
drivers/iommu/amd/iommu_v2.c
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@ -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: