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yaml
---
r: 330094
b: refs/heads/master
c: 8290e2d
h: refs/heads/master
v: v3
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Tejun Heo authored and Linus Torvalds committed Oct 5, 2012
1 parent 3b8cc8b commit 740d348
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Showing 2 changed files with 9 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 17d7aac9a55b164874f3d4b7b4f5af87ab457b84
refs/heads/master: 8290e2d2dcbf0d379d4b1379e17916515ee20a39
16 changes: 8 additions & 8 deletions trunk/lib/scatterlist.c
Original file line number Diff line number Diff line change
Expand Up @@ -404,14 +404,13 @@ EXPORT_SYMBOL(sg_miter_start);
* @miter: sg mapping iter to proceed
*
* Description:
* Proceeds @miter@ to the next mapping. @miter@ should have been
* started using sg_miter_start(). On successful return,
* @miter@->page, @miter@->addr and @miter@->length point to the
* current mapping.
* Proceeds @miter to the next mapping. @miter should have been started
* using sg_miter_start(). On successful return, @miter->page,
* @miter->addr and @miter->length point to the current mapping.
*
* Context:
* IRQ disabled if SG_MITER_ATOMIC. IRQ must stay disabled till
* @miter@ is stopped. May sleep if !SG_MITER_ATOMIC.
* Preemption disabled if SG_MITER_ATOMIC. Preemption must stay disabled
* till @miter is stopped. May sleep if !SG_MITER_ATOMIC.
*
* Returns:
* true if @miter contains the next mapping. false if end of sg
Expand Down Expand Up @@ -465,7 +464,8 @@ EXPORT_SYMBOL(sg_miter_next);
* resources (kmap) need to be released during iteration.
*
* Context:
* IRQ disabled if the SG_MITER_ATOMIC is set. Don't care otherwise.
* Preemption disabled if the SG_MITER_ATOMIC is set. Don't care
* otherwise.
*/
void sg_miter_stop(struct sg_mapping_iter *miter)
{
Expand All @@ -479,7 +479,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
flush_kernel_dcache_page(miter->page);

if (miter->__flags & SG_MITER_ATOMIC) {
WARN_ON(!irqs_disabled());
WARN_ON_ONCE(preemptible());
kunmap_atomic(miter->addr);
} else
kunmap(miter->page);
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