RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-09-04 Thread Sharma, Sanjeev
-Original Message-
From: gre...@linuxfoundation.org [mailto:gre...@linuxfoundation.org] 
Sent: Tuesday, August 19, 2014 3:01 PM
To: Sharma, Sanjeev
Cc: kra...@redhat.com; mdharm-...@one-eyed-alien.net; 
linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; 
linux-s...@vger.kernel.org; Hans de Goede
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
> Hi Greg,
> 
> Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this week, 
_and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

Please let me know when this is going to be merged ?

Thanks
Sanjeev

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-09-04 Thread Sharma, Sanjeev
-Original Message-
From: gre...@linuxfoundation.org [mailto:gre...@linuxfoundation.org] 
Sent: Tuesday, August 19, 2014 3:01 PM
To: Sharma, Sanjeev
Cc: kra...@redhat.com; mdharm-...@one-eyed-alien.net; 
linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; 
linux-s...@vger.kernel.org; Hans de Goede
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
 Hi Greg,
 
 Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this week, 
_and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

Please let me know when this is going to be merged ?

Thanks
Sanjeev

greg k-h
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread Sharma, Sanjeev
Thanks for letting me know.

Sanjeev Sharma

-Original Message-
From: gre...@linuxfoundation.org [mailto:gre...@linuxfoundation.org] 
Sent: Tuesday, August 19, 2014 3:01 PM
To: Sharma, Sanjeev
Cc: kra...@redhat.com; mdharm-...@one-eyed-alien.net; 
linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; 
linux-s...@vger.kernel.org; Hans de Goede
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
> Hi Greg,
> 
> Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this week, 
_and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread gre...@linuxfoundation.org
On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
> Hi Greg,
> 
> Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this
week, _and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread Sharma, Sanjeev
Hi Greg,

Any feedback on this patch ?

Regards
Sanjeev Sharma

-Original Message-
From: Sharma, Sanjeev 
Sent: Tuesday, August 12, 2014 12:07 PM
To: 'Hans de Goede'
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Yes I have incorporated review comment from Greg.

Regards
Sanjeev Sharma

-Original Message-
From: Hans de Goede [mailto:hdego...@redhat.com]
Sent: Tuesday, August 12, 2014 11:59 AM
To: Sharma, Sanjeev
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
> on some architecture spin_is_locked() always return false in 
> uniprocessor configuration and therefore it would be advise to replace 
> with lockdep_assert_held().
> 
> Signed-off-by: Sanjeev Sharma 
> ---
> Changes in v3:
>  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede 

Regards,

Hans

> 
>  drivers/usb/storage/uas.c | 8 
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c 
> index 3f42785..05b2d8e 100644
> --- a/drivers/usb/storage/uas.c
> +++ b/drivers/usb/storage/uas.c
> @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
> *devinfo,
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>  
>   uas_log_cmd_state(cmnd, caller);
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED);
>   cmdinfo->state |= COMMAND_ABORTED;
>   cmdinfo->state &= ~IS_IN_WORK_LIST;
> @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>   struct uas_dev_info *devinfo = cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   cmdinfo->state |= IS_IN_WORK_LIST;
>   schedule_work(>work);
>  }
> @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
> char *caller)
>   struct uas_cmd_info *cmdinfo = (void *)>SCp;
>   struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & (COMMAND_INFLIGHT |
> DATA_IN_URB_INFLIGHT |
> DATA_OUT_URB_INFLIGHT |
> @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
>   struct urb *urb;
>   int err;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & SUBMIT_STATUS_URB) {
>   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo->stream);
>   if (!urb)
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread Sharma, Sanjeev
Hi Greg,

Any feedback on this patch ?

Regards
Sanjeev Sharma

-Original Message-
From: Sharma, Sanjeev 
Sent: Tuesday, August 12, 2014 12:07 PM
To: 'Hans de Goede'
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Yes I have incorporated review comment from Greg.

Regards
Sanjeev Sharma

-Original Message-
From: Hans de Goede [mailto:hdego...@redhat.com]
Sent: Tuesday, August 12, 2014 11:59 AM
To: Sharma, Sanjeev
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
 on some architecture spin_is_locked() always return false in 
 uniprocessor configuration and therefore it would be advise to replace 
 with lockdep_assert_held().
 
 Signed-off-by: Sanjeev Sharma sanjeev_sha...@mentor.com
 ---
 Changes in v3:
  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede hdego...@redhat.com

Regards,

Hans

 
  drivers/usb/storage/uas.c | 8 
  1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c 
 index 3f42785..05b2d8e 100644
 --- a/drivers/usb/storage/uas.c
 +++ b/drivers/usb/storage/uas.c
 @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
 *devinfo,
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
  
   uas_log_cmd_state(cmnd, caller);
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   WARN_ON_ONCE(cmdinfo-state  COMMAND_ABORTED);
   cmdinfo-state |= COMMAND_ABORTED;
   cmdinfo-state = ~IS_IN_WORK_LIST;
 @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
   struct uas_dev_info *devinfo = cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   cmdinfo-state |= IS_IN_WORK_LIST;
   schedule_work(devinfo-work);
  }
 @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
 char *caller)
   struct uas_cmd_info *cmdinfo = (void *)cmnd-SCp;
   struct uas_dev_info *devinfo = (void *)cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  (COMMAND_INFLIGHT |
 DATA_IN_URB_INFLIGHT |
 DATA_OUT_URB_INFLIGHT |
 @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
   struct urb *urb;
   int err;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  SUBMIT_STATUS_URB) {
   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo-stream);
   if (!urb)
 
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread gre...@linuxfoundation.org
On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
 Hi Greg,
 
 Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this
week, _and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

greg k-h
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-19 Thread Sharma, Sanjeev
Thanks for letting me know.

Sanjeev Sharma

-Original Message-
From: gre...@linuxfoundation.org [mailto:gre...@linuxfoundation.org] 
Sent: Tuesday, August 19, 2014 3:01 PM
To: Sharma, Sanjeev
Cc: kra...@redhat.com; mdharm-...@one-eyed-alien.net; 
linux-...@vger.kernel.org; linux-kernel@vger.kernel.org; 
linux-s...@vger.kernel.org; Hans de Goede
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

On Tue, Aug 19, 2014 at 06:33:04AM +, Sharma, Sanjeev wrote:
 Hi Greg,
 
 Any feedback on this patch ?

The merge window ended 2 days ago, _and_ I'm at the kernel summit this week, 
_and_ my queue is currently sitting at:
$ mdfrm -c ~/mail/todo/
1317 messages in /home/gregkh/mail/todo/

So please be patient.  I'll get to it in a few weeks.

greg k-h
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Sharma, Sanjeev
Yes I have incorporated review comment from Greg.

Regards
Sanjeev Sharma

-Original Message-
From: Hans de Goede [mailto:hdego...@redhat.com] 
Sent: Tuesday, August 12, 2014 11:59 AM
To: Sharma, Sanjeev
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
> on some architecture spin_is_locked() always return false in 
> uniprocessor configuration and therefore it would be advise to replace 
> with lockdep_assert_held().
> 
> Signed-off-by: Sanjeev Sharma 
> ---
> Changes in v3:
>  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede 

Regards,

Hans

> 
>  drivers/usb/storage/uas.c | 8 
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c 
> index 3f42785..05b2d8e 100644
> --- a/drivers/usb/storage/uas.c
> +++ b/drivers/usb/storage/uas.c
> @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
> *devinfo,
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>  
>   uas_log_cmd_state(cmnd, caller);
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED);
>   cmdinfo->state |= COMMAND_ABORTED;
>   cmdinfo->state &= ~IS_IN_WORK_LIST;
> @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>   struct uas_dev_info *devinfo = cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   cmdinfo->state |= IS_IN_WORK_LIST;
>   schedule_work(>work);
>  }
> @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
> char *caller)
>   struct uas_cmd_info *cmdinfo = (void *)>SCp;
>   struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & (COMMAND_INFLIGHT |
> DATA_IN_URB_INFLIGHT |
> DATA_OUT_URB_INFLIGHT |
> @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
>   struct urb *urb;
>   int err;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & SUBMIT_STATUS_URB) {
>   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo->stream);
>   if (!urb)
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Hans de Goede
Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
> on some architecture spin_is_locked() always return false in
> uniprocessor configuration and therefore it would be advise
> to replace with lockdep_assert_held().
> 
> Signed-off-by: Sanjeev Sharma 
> ---
> Changes in v3:
>  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede 

Regards,

Hans

> 
>  drivers/usb/storage/uas.c | 8 
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
> index 3f42785..05b2d8e 100644
> --- a/drivers/usb/storage/uas.c
> +++ b/drivers/usb/storage/uas.c
> @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
> *devinfo,
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>  
>   uas_log_cmd_state(cmnd, caller);
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED);
>   cmdinfo->state |= COMMAND_ABORTED;
>   cmdinfo->state &= ~IS_IN_WORK_LIST;
> @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
>   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
>   struct uas_dev_info *devinfo = cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   cmdinfo->state |= IS_IN_WORK_LIST;
>   schedule_work(>work);
>  }
> @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
> char *caller)
>   struct uas_cmd_info *cmdinfo = (void *)>SCp;
>   struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & (COMMAND_INFLIGHT |
> DATA_IN_URB_INFLIGHT |
> DATA_OUT_URB_INFLIGHT |
> @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
>   struct urb *urb;
>   int err;
>  
> - WARN_ON_ONCE(!spin_is_locked(>lock));
> + lockdep_assert_held(>lock);
>   if (cmdinfo->state & SUBMIT_STATUS_URB) {
>   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo->stream);
>   if (!urb)
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


[PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Sanjeev Sharma
on some architecture spin_is_locked() always return false in
uniprocessor configuration and therefore it would be advise
to replace with lockdep_assert_held().

Signed-off-by: Sanjeev Sharma 
---
Changes in v3:
 incorporated review comment suggested by Greg

 drivers/usb/storage/uas.c | 8 
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 3f42785..05b2d8e 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info *devinfo,
struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
 
uas_log_cmd_state(cmnd, caller);
-   WARN_ON_ONCE(!spin_is_locked(>lock));
+   lockdep_assert_held(>lock);
WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED);
cmdinfo->state |= COMMAND_ABORTED;
cmdinfo->state &= ~IS_IN_WORK_LIST;
@@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
struct uas_dev_info *devinfo = cmnd->device->hostdata;
 
-   WARN_ON_ONCE(!spin_is_locked(>lock));
+   lockdep_assert_held(>lock);
cmdinfo->state |= IS_IN_WORK_LIST;
schedule_work(>work);
 }
@@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
char *caller)
struct uas_cmd_info *cmdinfo = (void *)>SCp;
struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
 
-   WARN_ON_ONCE(!spin_is_locked(>lock));
+   lockdep_assert_held(>lock);
if (cmdinfo->state & (COMMAND_INFLIGHT |
  DATA_IN_URB_INFLIGHT |
  DATA_OUT_URB_INFLIGHT |
@@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
struct urb *urb;
int err;
 
-   WARN_ON_ONCE(!spin_is_locked(>lock));
+   lockdep_assert_held(>lock);
if (cmdinfo->state & SUBMIT_STATUS_URB) {
urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo->stream);
if (!urb)
-- 
1.7.11.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


[PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Sanjeev Sharma
on some architecture spin_is_locked() always return false in
uniprocessor configuration and therefore it would be advise
to replace with lockdep_assert_held().

Signed-off-by: Sanjeev Sharma sanjeev_sha...@mentor.com
---
Changes in v3:
 incorporated review comment suggested by Greg

 drivers/usb/storage/uas.c | 8 
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 3f42785..05b2d8e 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info *devinfo,
struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
 
uas_log_cmd_state(cmnd, caller);
-   WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
+   lockdep_assert_held(devinfo-lock);
WARN_ON_ONCE(cmdinfo-state  COMMAND_ABORTED);
cmdinfo-state |= COMMAND_ABORTED;
cmdinfo-state = ~IS_IN_WORK_LIST;
@@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
struct uas_dev_info *devinfo = cmnd-device-hostdata;
 
-   WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
+   lockdep_assert_held(devinfo-lock);
cmdinfo-state |= IS_IN_WORK_LIST;
schedule_work(devinfo-work);
 }
@@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
char *caller)
struct uas_cmd_info *cmdinfo = (void *)cmnd-SCp;
struct uas_dev_info *devinfo = (void *)cmnd-device-hostdata;
 
-   WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
+   lockdep_assert_held(devinfo-lock);
if (cmdinfo-state  (COMMAND_INFLIGHT |
  DATA_IN_URB_INFLIGHT |
  DATA_OUT_URB_INFLIGHT |
@@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
struct urb *urb;
int err;
 
-   WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
+   lockdep_assert_held(devinfo-lock);
if (cmdinfo-state  SUBMIT_STATUS_URB) {
urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo-stream);
if (!urb)
-- 
1.7.11.7

--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Hans de Goede
Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
 on some architecture spin_is_locked() always return false in
 uniprocessor configuration and therefore it would be advise
 to replace with lockdep_assert_held().
 
 Signed-off-by: Sanjeev Sharma sanjeev_sha...@mentor.com
 ---
 Changes in v3:
  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede hdego...@redhat.com

Regards,

Hans

 
  drivers/usb/storage/uas.c | 8 
  1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
 index 3f42785..05b2d8e 100644
 --- a/drivers/usb/storage/uas.c
 +++ b/drivers/usb/storage/uas.c
 @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
 *devinfo,
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
  
   uas_log_cmd_state(cmnd, caller);
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   WARN_ON_ONCE(cmdinfo-state  COMMAND_ABORTED);
   cmdinfo-state |= COMMAND_ABORTED;
   cmdinfo-state = ~IS_IN_WORK_LIST;
 @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
   struct uas_dev_info *devinfo = cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   cmdinfo-state |= IS_IN_WORK_LIST;
   schedule_work(devinfo-work);
  }
 @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
 char *caller)
   struct uas_cmd_info *cmdinfo = (void *)cmnd-SCp;
   struct uas_dev_info *devinfo = (void *)cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  (COMMAND_INFLIGHT |
 DATA_IN_URB_INFLIGHT |
 DATA_OUT_URB_INFLIGHT |
 @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
   struct urb *urb;
   int err;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  SUBMIT_STATUS_URB) {
   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo-stream);
   if (!urb)
 
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

2014-08-12 Thread Sharma, Sanjeev
Yes I have incorporated review comment from Greg.

Regards
Sanjeev Sharma

-Original Message-
From: Hans de Goede [mailto:hdego...@redhat.com] 
Sent: Tuesday, August 12, 2014 11:59 AM
To: Sharma, Sanjeev
Cc: gre...@linuxfoundation.org; kra...@redhat.com; 
mdharm-...@one-eyed-alien.net; linux-...@vger.kernel.org; 
linux-kernel@vger.kernel.org; linux-s...@vger.kernel.org
Subject: Re: [PATCH v3] uas: replace WARN_ON_ONCE() with lockdep_assert_held()

Hi,

On 08/12/2014 08:40 AM, Sanjeev Sharma wrote:
 on some architecture spin_is_locked() always return false in 
 uniprocessor configuration and therefore it would be advise to replace 
 with lockdep_assert_held().
 
 Signed-off-by: Sanjeev Sharma sanjeev_sha...@mentor.com
 ---
 Changes in v3:
  incorporated review comment suggested by Greg

Thanks, this is still:

Acked-by: Hans de Goede hdego...@redhat.com

Regards,

Hans

 
  drivers/usb/storage/uas.c | 8 
  1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c 
 index 3f42785..05b2d8e 100644
 --- a/drivers/usb/storage/uas.c
 +++ b/drivers/usb/storage/uas.c
 @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info 
 *devinfo,
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
  
   uas_log_cmd_state(cmnd, caller);
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   WARN_ON_ONCE(cmdinfo-state  COMMAND_ABORTED);
   cmdinfo-state |= COMMAND_ABORTED;
   cmdinfo-state = ~IS_IN_WORK_LIST;
 @@ -181,7 +181,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
   struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp);
   struct uas_dev_info *devinfo = cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   cmdinfo-state |= IS_IN_WORK_LIST;
   schedule_work(devinfo-work);
  }
 @@ -283,7 +283,7 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const 
 char *caller)
   struct uas_cmd_info *cmdinfo = (void *)cmnd-SCp;
   struct uas_dev_info *devinfo = (void *)cmnd-device-hostdata;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  (COMMAND_INFLIGHT |
 DATA_IN_URB_INFLIGHT |
 DATA_OUT_URB_INFLIGHT |
 @@ -622,7 +622,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
   struct urb *urb;
   int err;
  
 - WARN_ON_ONCE(!spin_is_locked(devinfo-lock));
 + lockdep_assert_held(devinfo-lock);
   if (cmdinfo-state  SUBMIT_STATUS_URB) {
   urb = uas_submit_sense_urb(cmnd, gfp, cmdinfo-stream);
   if (!urb)
 
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/