hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

io_uring: remove rsrc put work irq save/restore 

io_rsrc_put_work() is executed by workqueue in non-irq context, so no
need for irqsave/restore variants of spinlocking.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2a7f77220735f4ad404ac885b4d73bdf42d2f836.1623634181.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-06-14 02:36:19 +01:00 committed by Jens Axboe
parent d878c81610
commit 157d257f99
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/io_uring.c
View File

@ -7555,14 +7555,13 @@ static void __io_rsrc_put_work(struct io_rsrc_node *ref_node)
if (prsrc->tag) {
bool lock_ring = ctx->flags & IORING_SETUP_IOPOLL;
unsigned long flags;
io_ring_submit_lock(ctx, lock_ring);
spin_lock_irqsave(&ctx->completion_lock, flags);
spin_lock_irq(&ctx->completion_lock);
io_cqring_fill_event(ctx, prsrc->tag, 0, 0);
ctx->cq_extra++;
io_commit_cqring(ctx);
spin_unlock_irqrestore(&ctx->completion_lock, flags);
spin_unlock_irq(&ctx->completion_lock);
io_cqring_ev_posted(ctx);
io_ring_submit_unlock(ctx, lock_ring);
}