From: Barry Song <21cnbao@gmail.com>
To: dan.j.williams@intel.com, vkoul@kernel.org,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Barry Song <21cnbao@gmail.com>
Subject: [PATCH 2/3] dmaengine: mv_xor: move spin_lock_bh to spin_lock in tasklet
Date: Fri, 17 Aug 2018 06:02:02 -0700 [thread overview]
Message-ID: <1534510922-7735-1-git-send-email-21cnbao@gmail.com> (raw)
as you are already in a tasklet, it is unnecessary to call spin_lock_bh.
Signed-off-by: Barry Song <21cnbao@gmail.com>
---
drivers/dma/mv_xor.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 969534c..7f59535 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -348,9 +348,9 @@ static void mv_xor_tasklet(unsigned long data)
{
struct mv_xor_chan *chan = (struct mv_xor_chan *) data;
- spin_lock_bh(&chan->lock);
+ spin_lock(&chan->lock);
mv_chan_slot_cleanup(chan);
- spin_unlock_bh(&chan->lock);
+ spin_unlock(&chan->lock);
}
static struct mv_xor_desc_slot *
--
2.7.4
reply other threads:[~2018-08-17 13:02 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1534510922-7735-1-git-send-email-21cnbao@gmail.com \
--to=21cnbao@gmail.com \
--cc=dan.j.williams@intel.com \
--cc=dmaengine@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).