On Mon, Dec 09, 2019 at 07:47:25PM +0000, Robin Murphy wrote:
> Since commit ece6e6f0218b ("iommu/dma-iommu: Split iommu_dma_map_msi_msg()
> in two parts"), iommu_dma_prepare_msi() should no longer have to worry
> about preempting itself, nor being called in atomic context at all. Thus
> we can downgrade the IRQ-safe locking to a simple mutex to avoid angering
> the new might_sleep() check in iommu_map().
>
> Reported-by: Qian Cai <c...@lca.pw>
> Tested-by: Jean-Philippe Brucker <jean-phili...@linaro.org>
> Signed-off-by: Robin Murphy <robin.mur...@arm.com>
> ---
>
> v2: Clarify comments a bit
>
> drivers/iommu/dma-iommu.c | 17 ++++++++---------
> 1 file changed, 8 insertions(+), 9 deletions(-)
Applied, thanks.
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