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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2020-06-12 05:39:55 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-24 14:29:47 +0200 |
| commit | f34ce7a7018c2f71d78fc7f512f6daf01e487114 (patch) | |
| tree | c6fbf5b1870c665346ee0af9a96e99fd80f4394e /drivers/iommu/msm_iommu.c | |
| parent | iommu: Mark __iommu_map_sg() as static (diff) | |
| download | linux-f34ce7a7018c2f71d78fc7f512f6daf01e487114.tar.xz linux-f34ce7a7018c2f71d78fc7f512f6daf01e487114.zip | |
iommu: Add gfp parameter to io_pgtable_ops->map()
Now the ARM page tables are always allocated by GFP_ATOMIC parameter,
but the iommu_ops->map() function has been added a gfp_t parameter by
commit 781ca2de89ba ("iommu: Add gfp parameter to iommu_ops::map"),
thus io_pgtable_ops->map() should use the gfp parameter passed from
iommu_ops->map() to allocate page pages, which can avoid wasting the
memory allocators atomic pools for some non-atomic contexts.
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/3093df4cb95497aaf713fca623ce4ecebb197c2e.1591930156.git.baolin.wang@linux.alibaba.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/msm_iommu.c')
| -rw-r--r-- | drivers/iommu/msm_iommu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index f773cc85f311..3615cd6241c4 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -491,7 +491,7 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long iova, int ret; spin_lock_irqsave(&priv->pgtlock, flags); - ret = priv->iop->map(priv->iop, iova, pa, len, prot); + ret = priv->iop->map(priv->iop, iova, pa, len, prot, GFP_ATOMIC); spin_unlock_irqrestore(&priv->pgtlock, flags); return ret; |