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Re: [PATCH 1/5] iommu/x86: fix IVMD/RMRR range checker loop increment
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 14 Feb 2024 12:51:36 +0100
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- Cc: Paul Durrant <paul@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 14 Feb 2024 11:51:42 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 14.02.2024 11:37, Roger Pau Monne wrote:
> mfn_add() doesn't store the incremented value in the parameter, and instead
> returns it to the caller. As a result, the loop in iommu_unity_region_ok()
> didn't make progress. Fix it by storing the incremented value.
>
> Fixes: e45801dea17b ('iommu/x86: introduce a generic IVMD/RMRR range validity
> helper')
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Should Andrew get a Reported-by here? And surely we want to list the
Coverity ID as well? (Happy to take of both while committing, so long
as you agree.)
Jan
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