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SubjectRe: [PATCH] iommu-common: Do not try to deref a null iommu->lazy_flush() pointer when n < pool->hint
On Wed, 16 Sep 2015 21:50:43 -0400 Sowmini Varadhan <sowmini.varadhan@oracle.com> wrote:

> The check for invoking iommu->lazy_flush() from iommu_tbl_range_alloc()
> has to be refactored so that we only call ->lazy_flush() if it is non-null.

Patch looks good.

But I don't know which kernel versions need the fix. So, when fixing a
bug please always describe the end-user visible effects of that bug.
Under what circumstances did your kernel crash?




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