VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Gilad Ben-Yossef <gilad@benyossef.com> 2017-02-27 14:28:29 -0800 committer: Linus Torvalds <torvalds@linux-foundation.org> 2017-02-27 18:43:46 -0800 commit: d31712009709774506e536a3cc1f7c512f550a0c parent: 1d5210ef706523529d3cc16fd70be0a466253466
Commit Summary:
scatterlist: do not disable IRQs in sg_copy_buffer
Diffstat:
1 file changed, 0 insertions, 4 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 393920fddcb9..c6cf82242d65 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -651,7 +651,6 @@ size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf,
 {
 	unsigned int offset = 0;
 	struct sg_mapping_iter miter;
-	unsigned long flags;
 	unsigned int sg_flags = SG_MITER_ATOMIC;
 
 	if (to_buffer)
@@ -664,8 +663,6 @@ size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf,
 	if (!sg_miter_skip(&miter, skip))
 		return false;
 
-	local_irq_save(flags);
-
 	while ((offset < buflen) && sg_miter_next(&miter)) {
 		unsigned int len;
 
@@ -681,7 +678,6 @@ size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents, void *buf,
 
 	sg_miter_stop(&miter);
 
-	local_irq_restore(flags);
 	return offset;
 }
 EXPORT_SYMBOL(sg_copy_buffer);