Clang warns when multiple pairs of parentheses are used for a single
conditional statement.
drivers/message/fusion/mptbase.c:338:11: warning: equality comparison
with extraneous parentheses [-Wparentheses-equality]
if ((ioc == NULL))
^~~
drivers/message/fusion/mptbase.
The driver may sleep with holding a spinlock.
The function call path (from bottom to top) in Linux-4.17 is:
[FUNC] dma_pool_alloc(GFP_KERNEL)
drivers/scsi/lpfc/lpfc_mem.c, 400:
dma_pool_alloc in lpfc_mbuf_alloc
drivers/scsi/lpfc/lpfc_els.c, 228:
lpfc_mbuf_alloc in lpfc_prep_els_i
The driver may sleep in an interrupt handler.
The function call path (from bottom to top) in Linux-4.17 is:
[FUNC] mempool_alloc(GFP_KERNEL)
drivers/scsi/lpfc/lpfc_hbadisc.c, 4738:
mempool_alloc in lpfc_unreg_rpi
drivers/scsi/lpfc/lpfc_els.c, 2825:
lpfc_unreg_rpi in lpfc_issue_el
The driver may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.17 are:
[FUNC] kmalloc(GFP_KERNEL)
drivers/scsi/lpfc/lpfc_els.c, 205:
kmalloc in lpfc_prep_els_iocb
drivers/scsi/lpfc/lpfc_els.c, 2010:
lpfc_prep_els_iocb in lpfc_issue_els_plogi
The driver may sleep with holding a spinlock.
The function call paths (from bottom to top) in Linux-4.17 are:
[FUNC] kzalloc(GFP_KERNEL)
drivers/scsi/lpfc/lpfc_mem.c, 633:
kzalloc in lpfc_sli4_nvmet_alloc
drivers/scsi/lpfc/lpfc_sli.c, 6729:
[FUNC_PTR]lpfc_sli4_nvmet_alloc in lpfc
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From: Ming Lei
[ Upstream commit 1311326cf4755c7ffefd20f576144ecf46d9906b ]
SCSI probing may synchronously create and destroy a lot of request_queues
for non-existent devices. Any synchronize_rcu() in queue creation or
destroy path may introduce long latency during booting, see detailed
descript
From: Ming Lei
[ Upstream commit 1311326cf4755c7ffefd20f576144ecf46d9906b ]
SCSI probing may synchronously create and destroy a lot of request_queues
for non-existent devices. Any synchronize_rcu() in queue creation or
destroy path may introduce long latency during booting, see detailed
descript
/0day-ci/linux/commits/Ming-Lei/blk-mq-allow-to-pass-default-queue-flags-for-creating-initializing-queue/20180914-162946
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-u0-09150658 (attached as .config)
compiler: gcc-5 (Debian 5.5.0-3) 5.4.1
This series adds support for FC-NVMe Target.
Patch #1 addes new qla_nvmet files for FC-NVMe Target support.
Patch #2 adds Kconfig and Makefile changes to prepare code compile.
Patch #3, #4 has bulk of changes to handle FC-NVMe Target LS4 processing
via Purex pass through path.
Patch #4 a
From: Anil Gurumurthy
This patch adds LS handling into driver
Signed-off-by: Anil Gurumurthy
Signed-off-by: Giridhar Malavali
Signed-off-by: Darren Trapp
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_dbg.c | 1 +
drivers/scsi/qla2xxx/qla_dbg.h | 2 ++
drivers/scsi/qla2xxx
From: Anil Gurumurthy
This patch updates kconfig and make file to include
compilation of new NVMe Target files
Signed-off-by: Anil Gurumurthy
Signed-off-by: Giridhar Malavali
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/Kconfig | 1 +
drivers/scsi/qla2xxx/Makefile | 3 ++-
2 fil
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_version.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_version.h
b/drivers/scsi/qla2xxx/qla_version.h
index 12bafff71a1a..0d58aa629c08 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
From: Anil Gurumurthy
This patch adds initial files to enable NVMe Target Support
Signed-off-by: Anil Gurumurthy
Signed-off-by: Giridhar Malavali
Signed-off-by: Darren Trapp
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_nvmet.c | 780 +++
d
From: Anil Gurumurthy
This patch adds SysFS node for NVMe Target configuration
Signed-off-by: Anil Gurumurthy
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_attr.c | 33 +
drivers/scsi/qla2xxx/qla_gs.c| 2 +-
drivers/scsi/qla2xxx/qla_init.c
From: Anil Gurumurthy
This patch Adds following code in the driver to
support FC-NVMe Target
- Updated ql2xenablenvme to allow FC-NVMe Target operation
- Added LS Request handling for NVMe Target
- Added passthr IOCB for LS4 request
- Added CTIO for sending response to FW
- Added FC4 Registratio
On Fri, Sep 14, 2018 at 01:35:06PM -0700, Darren Hart wrote:
> Acked-by: Darren Hart (VMware)
>
> As for a longer term solution, would it be possible to init fops in such
> a way that the compat_ioctl call defaults to generic_compat_ioctl_ptrarg
> so we don't have to duplicate this boilerplate
On Wed, Sep 12, 2018 at 05:08:52PM +0200, Arnd Bergmann wrote:
> The .ioctl and .compat_ioctl file operations have the same prototype so
> they can both point to the same function, which works great almost all
> the time when all the commands are compatible.
>
> One exception is the s390 architect
On 2018-09-14 02:20 PM, James Bottomley wrote:
On Thu, 2018-09-13 at 16:22 +0200, Linus Walleij wrote:
[...]
+ /* Send ATA command to read SMART values */
+ memset(scsi_cmd, 0, sizeof(scsi_cmd));
+ scsi_cmd[0] = ATA_16;
+ scsi_cmd[1] = (4 << 1); /* PIO Data-in */
+
On Thu, 2018-09-13 at 16:22 +0200, Linus Walleij wrote:
[...]
> + /* Send ATA command to read SMART values */
> + memset(scsi_cmd, 0, sizeof(scsi_cmd));
> + scsi_cmd[0] = ATA_16;
> + scsi_cmd[1] = (4 << 1); /* PIO Data-in */
> + /*
> + * No off.line or cc, read from dev, bl
On Wed, Sep 12, 2018 at 05:08:52PM +0200, Arnd Bergmann wrote:
> The .ioctl and .compat_ioctl file operations have the same prototype so
> they can both point to the same function, which works great almost all
> the time when all the commands are compatible.
>
> One exception is the s390 architect
On 14/09/18 09:17, Adrian Hunter wrote:
> On 14/09/18 04:52, Ming Lei wrote:
>> On Thu, Sep 13, 2018 at 03:15:39PM +0300, Adrian Hunter wrote:
>>> On 13/09/18 15:05, Ming Lei wrote:
On Thu, Sep 13, 2018 at 02:28:48PM +0300, Adrian Hunter wrote:
> blk-mq does not support runtime pm, so disa
On Fri, Sep 14, 2018 at 11:40 AM jianchao.wang
wrote:
>
> Hi Ming
>
> On 09/13/2018 08:15 PM, Ming Lei wrote:
> > EXPORT_SYMBOL(__scsi_execute);
> > @@ -3246,6 +3251,7 @@ static int scsi_internal_device_block(struct
> > scsi_device *sdev)
> > else
> > scsi_wai
On Fri, 2018-09-07 at 11:39 +0100, Colin King wrote:
> From: Colin Ian King
>
> It is possible to heavily spam the kernel logs with messages by
> excessive reading of the mpt3sas sysfs files. Make the error messages
> ratelimited to reduce the spamming effect.
[]
> diff --git a/drivers/scsi/mpt3
include/asm-generic/bug.h defines BUG_ON(condition) as
do { if (unlikely(condition)) BUG(); } while (0).
So BUG_ON already provides unlikely() to the condition so there is no point
in having a unlikely(unlikely(condition)) - drop the excess unlikely()
Signed-off-by: Nicholas Mc Guire
---
Found d
/linux/commits/Ming-Lei/blk-mq-allow-to-pass-default-queue-flags-for-creating-initializing-queue/20180914-162946
base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next
config: x86_64-randconfig-x003-201836 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/scsi/lpfc/lpfc_sli.c: In function 'lpfc_sli4_sp_handle_rcqe':
drivers/scsi/lpfc/lpfc_sli.c:13430:26: warning:
variable 'fc_hdr' set but not used [-Wunused-but-set-variable]
drivers/scsi/lpfc/lpfc_sli.c: In function 'lpfc_cq_create':
drivers/
From: Subhash Jadavani
UFS host supplies the reference clock to UFS device and UFS device
specification allows host to provide one of the 4 frequencies (19.2 MHz,
26 MHz, 38.4 MHz, 52 MHz) for reference clock. Host should set the
device reference clock frequency setting in the device based on wha
This patch adds configfs support to provision UFS device at
runtime. This feature can be primarily useful in factory or
assembly line as some devices may be required to be configured
multiple times during initial system development phase.
Configuration Descriptors can be written multiple times unti
This patch adds Configfs support to provision UFS device at
runtime. This feature can be primarily useful in factory or
assembly line as some devices may be required to be configured
multiple times during initial system development phase.
Configuration Descriptors can be written multiple times un
On 9/12/2018 6:44 PM, Adrian Hunter wrote:
On 30/08/18 13:46, Sayali Lokhande wrote:
This patch adds configfs support to provision UFS device at
runtime. This feature can be primarily useful in factory or
assembly line as some devices may be required to be configured
multiple times during init
> On 29 Aug 2018, at 12:27, Sekhar Nori wrote:
>
> On Thursday 09 August 2018 06:55 PM, Janek Kotas wrote:
>> This patch adds a device tree platform driver for
>> Cadence UFS Host Controller.
>> It can be enabled with SCSI_UFS_CDNS_PLATFORM Kconfig option.
>>
>> Signed-off-by: Jan Kotas
>
> [
On Fri, Sep 14, 2018 at 3:29 AM YueHaibing wrote:
>
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/scsi/pm8001/pm80xx_hwi.c: In function 'pm8001_set_phy_profile':
> drivers/scsi/pm8001/pm80xx_hwi.c:4679:6: warning:
> variable 'page_code' set but not used [-Wunused-but-set-variable]
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