Messages in this thread Patch in this message | | | From | Juerg Haefliger <> | Subject | [RFC PATCH v2 3/3] block: Always use a bounce buffer when XPFO is enabled | Date | Fri, 2 Sep 2016 13:39:09 +0200 |
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This is a temporary hack to prevent the use of bio_map_user_iov() which causes XPFO page faults.
Signed-off-by: Juerg Haefliger <juerg.haefliger@hpe.com> --- block/blk-map.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/blk-map.c b/block/blk-map.c index b8657fa8dc9a..e889dbfee6fb 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -52,7 +52,7 @@ static int __blk_rq_map_user_iov(struct request *rq, struct bio *bio, *orig_bio; int ret; - if (copy) + if (copy || IS_ENABLED(CONFIG_XPFO)) bio = bio_copy_user_iov(q, map_data, iter, gfp_mask); else bio = bio_map_user_iov(q, iter, gfp_mask); -- 2.9.3
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