Re: [PATCH v10 01/17] iova: Export alloc_iova_fast() and free_iova_fast() | virtualization

(off-list ancestor, not in this archive)

在 2021/7/29 下午3:34, Xie Yongji 写道:
Export alloc_iova_fast() and free_iova_fast() so that
some modules can use it to improve iova allocation efficiency.

It's better to explain which alloc_iova() is not sufficient here.

Thanks


Signed-off-by: Xie Yongji <redacted>
---
  drivers/iommu/iova.c | 2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index b6cf5f16123b..3941ed6bb99b 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -521,6 +521,7 @@ alloc_iova_fast(struct iova_domain *iovad, unsigned long size,
  
  	return new_iova->pfn_lo;
  }
+EXPORT_SYMBOL_GPL(alloc_iova_fast);
  
  /**
   * free_iova_fast - free iova pfn range into rcache
@@ -538,6 +539,7 @@ free_iova_fast(struct iova_domain *iovad, unsigned long pfn, unsigned long size)
  
  	free_iova(iovad, pfn);
  }
+EXPORT_SYMBOL_GPL(free_iova_fast);
  
  #define fq_ring_for_each(i, fq) \
  	for ((i) = (fq)->head; (i) != (fq)->tail; (i) = ((i) + 1) % IOVA_FQ_SIZE)
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help

Possibly related (same subject, not in this thread)