Unverified Commit f2a26a25 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!2980 io_uring: fix soft lockup in io_submit_sqes() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zizhi Wo <wozizhi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PIH2ZCZZRFUQCWZI7BGSGC5ARI6VXMV4/ 
 
https://gitee.com/openeuler/kernel/issues/I5930C 
 
Link:https://gitee.com/openeuler/kernel/pulls/2980

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents 19b9984f 5a1a1c78

io_uring/io_uring.c

+3 −0
Original line number Diff line number Diff line
@@ -2440,6 +2440,9 @@ int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr) 
			left--;

			break;

		}

		/* to avoid doing too much in one submit round */

		if (left > IORING_MAX_ENTRIES / 2)

			cond_resched();

	} while (--left);



	if (unlikely(left)) {