From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Keith Busch <keith.busch@intel.com>,
Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org, linux-block@vger.kernel.org
Subject: [PATCH 02/10] nvme: allow calling nvme_change_ctrl_state from irq context
Date: Wed, 23 Aug 2017 19:58:07 +0200 [thread overview]
Message-ID: <20170823175815.3646-3-hch@lst.de> (raw)
In-Reply-To: <20170823175815.3646-1-hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/nvme/host/core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index b8ecd155be19..f91c649c9ca5 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -176,9 +176,10 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
enum nvme_ctrl_state new_state)
{
enum nvme_ctrl_state old_state;
+ unsigned long flags;
bool changed = false;
- spin_lock_irq(&ctrl->lock);
+ spin_lock_irqsave(&ctrl->lock, flags);
old_state = ctrl->state;
switch (new_state) {
@@ -239,7 +240,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
if (changed)
ctrl->state = new_state;
- spin_unlock_irq(&ctrl->lock);
+ spin_unlock_irqrestore(&ctrl->lock, flags);
return changed;
}
--
2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 02/10] nvme: allow calling nvme_change_ctrl_state from irq context
Date: Wed, 23 Aug 2017 19:58:07 +0200 [thread overview]
Message-ID: <20170823175815.3646-3-hch@lst.de> (raw)
In-Reply-To: <20170823175815.3646-1-hch@lst.de>
Signed-off-by: Christoph Hellwig <hch at lst.de>
---
drivers/nvme/host/core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index b8ecd155be19..f91c649c9ca5 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -176,9 +176,10 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
enum nvme_ctrl_state new_state)
{
enum nvme_ctrl_state old_state;
+ unsigned long flags;
bool changed = false;
- spin_lock_irq(&ctrl->lock);
+ spin_lock_irqsave(&ctrl->lock, flags);
old_state = ctrl->state;
switch (new_state) {
@@ -239,7 +240,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
if (changed)
ctrl->state = new_state;
- spin_unlock_irq(&ctrl->lock);
+ spin_unlock_irqrestore(&ctrl->lock, flags);
return changed;
}
--
2.11.0
next prev parent reply other threads:[~2017-08-23 17:58 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-23 17:58 RFC: nvme multipath support Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-23 17:58 ` [PATCH 01/10] nvme: report more detailed status codes to the block layer Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 6:06 ` Sagi Grimberg
2017-08-28 6:06 ` Sagi Grimberg
2017-08-28 18:50 ` Keith Busch
2017-08-28 18:50 ` Keith Busch
2017-08-23 17:58 ` Christoph Hellwig [this message]
2017-08-23 17:58 ` [PATCH 02/10] nvme: allow calling nvme_change_ctrl_state from irq context Christoph Hellwig
2017-08-28 6:06 ` Sagi Grimberg
2017-08-28 6:06 ` Sagi Grimberg
2017-08-28 18:50 ` Keith Busch
2017-08-28 18:50 ` Keith Busch
2017-08-23 17:58 ` [PATCH 03/10] nvme: remove unused struct nvme_ns fields Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 6:07 ` Sagi Grimberg
2017-08-28 6:07 ` Sagi Grimberg
2017-08-28 19:13 ` Keith Busch
2017-08-28 19:13 ` Keith Busch
2017-08-23 17:58 ` [PATCH 04/10] nvme: remove nvme_revalidate_ns Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 6:12 ` Sagi Grimberg
2017-08-28 6:12 ` Sagi Grimberg
2017-08-28 19:14 ` Keith Busch
2017-08-28 19:14 ` Keith Busch
2017-08-23 17:58 ` [PATCH 05/10] nvme: don't blindly overwrite identifiers on disk revalidate Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 6:17 ` Sagi Grimberg
2017-08-28 6:17 ` Sagi Grimberg
2017-08-28 6:23 ` Christoph Hellwig
2017-08-28 6:23 ` Christoph Hellwig
2017-08-28 6:32 ` Sagi Grimberg
2017-08-28 6:32 ` Sagi Grimberg
2017-08-28 19:15 ` Keith Busch
2017-08-28 19:15 ` Keith Busch
2017-08-23 17:58 ` [PATCH 06/10] nvme: track subsystems Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-23 22:04 ` Keith Busch
2017-08-23 22:04 ` Keith Busch
2017-08-24 8:52 ` Christoph Hellwig
2017-08-24 8:52 ` Christoph Hellwig
2017-08-28 6:22 ` Sagi Grimberg
2017-08-28 6:22 ` Sagi Grimberg
2017-08-23 17:58 ` [PATCH 07/10] nvme: track shared namespaces Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 6:51 ` Sagi Grimberg
2017-08-28 6:51 ` Sagi Grimberg
2017-08-28 8:50 ` Christoph Hellwig
2017-08-28 8:50 ` Christoph Hellwig
2017-08-28 20:21 ` J Freyensee
2017-08-28 20:21 ` J Freyensee
2017-08-29 8:25 ` Christoph Hellwig
2017-08-29 8:25 ` Christoph Hellwig
2017-08-29 6:54 ` Guan Junxiong
2017-08-29 6:54 ` Guan Junxiong
2017-08-28 12:04 ` javigon
2017-08-28 12:04 ` javigon
2017-08-28 12:41 ` Guan Junxiong
2017-08-28 12:41 ` Guan Junxiong
2017-08-28 14:30 ` Christoph Hellwig
2017-08-28 14:30 ` Christoph Hellwig
2017-08-29 2:42 ` Guan Junxiong
2017-08-29 2:42 ` Guan Junxiong
2017-08-29 8:30 ` Christoph Hellwig
2017-08-29 8:30 ` Christoph Hellwig
2017-08-29 8:29 ` Christoph Hellwig
2017-08-29 8:29 ` Christoph Hellwig
2017-08-28 19:18 ` Keith Busch
2017-08-28 19:18 ` Keith Busch
2017-08-23 17:58 ` [PATCH 08/10] block: provide a generic_make_request_fast helper Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 7:00 ` Sagi Grimberg
2017-08-28 7:00 ` Sagi Grimberg
2017-08-28 8:54 ` Christoph Hellwig
2017-08-28 8:54 ` Christoph Hellwig
2017-08-28 11:01 ` Sagi Grimberg
2017-08-28 11:01 ` Sagi Grimberg
2017-08-28 11:54 ` Christoph Hellwig
2017-08-28 11:54 ` Christoph Hellwig
2017-08-28 12:38 ` Sagi Grimberg
2017-08-28 12:38 ` Sagi Grimberg
2017-08-23 17:58 ` [PATCH 09/10] blk-mq: add a blk_steal_bios helper Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-28 7:04 ` Sagi Grimberg
2017-08-28 7:04 ` Sagi Grimberg
2017-08-23 17:58 ` [PATCH 10/10] nvme: implement multipath access to nvme subsystems Christoph Hellwig
2017-08-23 17:58 ` Christoph Hellwig
2017-08-23 18:21 ` Bart Van Assche
2017-08-23 18:21 ` Bart Van Assche
2017-08-24 8:59 ` hch
2017-08-24 8:59 ` hch
2017-08-24 20:17 ` Bart Van Assche
2017-08-24 20:17 ` Bart Van Assche
2017-09-05 11:53 ` Christoph Hellwig
2017-09-05 11:53 ` Christoph Hellwig
2017-09-11 6:34 ` Tony Yang
2017-08-23 22:53 ` Keith Busch
2017-08-23 22:53 ` Keith Busch
2017-08-24 8:52 ` Christoph Hellwig
2017-08-24 8:52 ` Christoph Hellwig
2017-08-28 7:23 ` Sagi Grimberg
2017-08-28 7:23 ` Sagi Grimberg
2017-08-28 9:06 ` Christoph Hellwig
2017-08-28 9:06 ` Christoph Hellwig
2017-08-28 13:40 ` Sagi Grimberg
2017-08-28 13:40 ` Sagi Grimberg
2017-08-28 14:24 ` Christoph Hellwig
2017-08-28 14:24 ` Christoph Hellwig
2017-09-07 15:17 ` Tony Yang
2017-08-29 10:22 ` Guan Junxiong
2017-08-29 10:22 ` Guan Junxiong
2017-08-29 14:51 ` Christoph Hellwig
2017-08-29 14:51 ` Christoph Hellwig
2017-08-29 14:54 ` Keith Busch
2017-08-29 14:54 ` Keith Busch
2017-08-29 14:55 ` Christoph Hellwig
2017-08-29 14:55 ` Christoph Hellwig
2017-08-29 15:41 ` Keith Busch
2017-08-29 15:41 ` Keith Busch
2017-09-18 0:17 ` Christoph Hellwig
2017-09-18 0:17 ` Christoph Hellwig
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