Re: [RFC PATCH v2 03/10] iommu/amd: Add default branch in amd_iommu_capable()

From: Lu Baolu
Date: Wed Sep 05 2018 - 20:56:53 EST


Hi,

On 09/06/2018 03:37 AM, Alex Williamson wrote:
On Thu, 30 Aug 2018 12:09:15 +0800
Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> wrote:

Otherwise, there will be a build warning:

drivers/iommu/amd_iommu.c:3083:2: warning: enumeration value
'IOMMU_CAP_AUX_DOMAIN' not handled in switch [-Wswitch]

There is no functional change.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
drivers/iommu/amd_iommu.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff23977..237ae6db4cfd 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3077,6 +3077,8 @@ static bool amd_iommu_capable(enum iommu_cap cap)
return (irq_remapping_enabled == 1);
case IOMMU_CAP_NOEXEC:
return false;
+ default:
+ break;
}
return false;

Seems like a bug fix that doesn't need to be part of this RFC, send it
separately. Thanks,

Sure.

Best regards,
Lu Baolu