This seems to be missing the pci_alloc_irq_vectors conversion from
Hannes?
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On Tue, Dec 06, 2016 at 05:41:05PM +0200, Michael S. Tsirkin wrote:
> __CHECK_ENDIAN__ isn't on by default presumably because
> it triggers too many sparse warnings for correct code.
> But virtio is now clean of these warnings, and
> we want to keep it this way - enable this for
> sparse builds.
>
Hi, Bart,
On 2016/12/7 12:40, Bart Van Assche wrote:
> I am aware that commit 5c10e63c943b caused the behavior change. But that
> doesn't mean that a fix has to undo the changes introduced by that
> commit. We do not only want to make sure that the SCSI core works as
> intended but also that th
On Tue, 2016-12-06 at 15:10 +0800, Zhouyi Zhou wrote:
> kmalloc_reserve may fail to allocate memory inside skb_linearize,
> which means skb_linearize's return value should not be ignored.
> Following patch correct the uses of skb_linearize.
>
> Compiled in x86_64
>
> Signed-off-by: Zhouyi Zhou
On Wed, Dec 7, 2016 at 1:02 PM, Cong Wang wrote:
> On Mon, Dec 5, 2016 at 11:10 PM, Zhouyi Zhou wrote:
>> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
>> b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
>> index 2a653ec..ab787cb 100644
>> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe
On Tue, 2016-12-06 at 17:41 +0200, Michael S. Tsirkin wrote:
> It seems that there should be a better way to do it,
> but this works too.
In some cases there might be:
> --- a/drivers/s390/virtio/Makefile
> +++ b/drivers/s390/virtio/Makefile
> @@ -6,6 +6,8 @@
> # it under the terms of the GNU G
On 2016年12月06日 20:44, John Garry wrote:
In the hip06 and hip07 SoCs, the interrupt lines from the
SAS controllers are connected to mbigen hw module [1].
The mbigen module is probed with module_init, and, as such,
is not guaranteed to probe before the SAS driver. So we need
to support deferred p
On 2016年12月06日 23:41, Michael S. Tsirkin wrote:
__CHECK_ENDIAN__ isn't on by default presumably because
it triggers too many sparse warnings for correct code.
But virtio is now clean of these warnings, and
we want to keep it this way - enable this for
sparse builds.
Signed-off-by: Michael S. T
On 06/12/16, 7:26 PM, "Christoph Hellwig" wrote:
>And simplify the MSI-X logic in general - just request the two
>vectors directly instead of going through an indirection table.
>
>Signed-off-by: Christoph Hellwig
>---
> drivers/scsi/qla4xxx/ql4_def.h | 18 +
> drivers/scsi/qla4xxx/ql4_
On Mon, Dec 5, 2016 at 11:10 PM, Zhouyi Zhou wrote:
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
> b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
> index 2a653ec..ab787cb 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_f
On 12/06/16 19:41, Wei Fang wrote:
> On 2016/12/7 10:45, Bart Van Assche wrote:
>> The purpose of the scsi_device_set_state(sdev, SDEV_RUNNING) call in
>> scsi_sysfs_add_sdev() is to change the device state from SDEV_CREATED
>> into SDEV_RUNNING. Have you tried to modify scsi_sysfs_add_sdev() such
Hi, Bart,
On 2016/12/7 10:45, Bart Van Assche wrote:
> On 12/06/16 17:21, Wei Fang wrote:
>> The state of the scsi device first is changed to SDEV_BLOCK in
>> scsi_add_lun() as you mentioned, then it will be changed to SDEV_RUNNING
>> in scsi_sysfs_add_sdev().
>
> Hello Wei,
>
> The purpose of t
On 12/06/16 17:21, Wei Fang wrote:
> The state of the scsi device first is changed to SDEV_BLOCK in
> scsi_add_lun() as you mentioned, then it will be changed to SDEV_RUNNING
> in scsi_sysfs_add_sdev().
Hello Wei,
The purpose of the scsi_device_set_state(sdev, SDEV_RUNNING) call in
scsi_sysfs_ad
Hi, Bart,
On 2016/12/6 23:51, Bart Van Assche wrote:
> On 12/06/16 01:12, Wei Fang wrote:
>> The scsi device is being setted to the SDEV_RUNNING state at the end of
>> the scan work. When the remote port reappears, scsi_target_unblock()
>> will be called, but the QUEUE_FLAG_STOPPED flag will not b
SAS3.5 Generic Megaraid based Controllers will have the support for 128 MSI-X
vectors,
resulting in the need to support 128 reply queues
This patch is depending on patch 1
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 1 +
drivers/scsi/megaraid/mega
Detect sequential IO streams and pass those IOs directly to FW.
This patch is depending on patch 3
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 5 +-
drivers/scsi/megaraid/megaraid_sas_base.c | 43 +++-
drivers/scsi/megaraid/megaraid_sas_fp.
Large SEQ IO workload should sent as non fast path commands
This patch is depending on patch 7
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 8 +
drivers/scsi/megaraid/megaraid_sas_base.c | 48 +
drivers/scsi/megarai
The Megaraid driver has to support the SAS3.5 Generic Megaraid Controllers
Firmware functionality.
This patch is depending on patch 6
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas_base.c | 53 ++---
drivers/scsi/megaraid/megaraid_sas_f
To improve RAID 1/10 Write performance, OS drivers need to issue the required
Write
IOs as Fast Path IOs (after the appropriate checks allowing Fast Path to be
used)
to the appropriate physical drives (translated from the OS logical IO) and wait
for
all Write IOs to complete. If any of the Writ
This patch contains new pci device ids for SAS3.5 Generic Megaraid Controllers
V4: Removed the not supported PCI Device Ids
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 8 +++-
drivers/scsi/megaraid/megaraid_sas_base.c | 14 +-
dri
Upgrade driver version.
This patch is depending on patch 10
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas.h
b/drivers/scsi/megaraid/megaraid_sas.h
index
Update Linux driver to use new pdTargetId field for JBOD target ID
This patch is depending on patch 9
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 105 +---
drivers/scsi/megaraid/megaraid_sas_base.c | 3 +
drivers/scsi/meg
ldio outstanding variable needs to be decremented in io completion path for
iMR dual queue depth
This patch is depending on patch 8
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas_fusion.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git
SAS3.5 Generic Megaraid Controllers FW will support new dynamic RaidMap to have
different
sizes for different number of supported VDs.
This patch is depending on patch 5
Signed-off-by: Sasikumar Chandrasekaran
---
drivers/scsi/megaraid/megaraid_sas.h| 7 +
drivers/scsi/megaraid/megar
An UNMAP command on a PI formatted device will leave the Logical Block
Application
Tag and Logical Block Reference Tag as all F's (for those LBAs that are
unmapped).
To avoid IO errors if those LBAs are subsequently read before they are written
with
valid tag fields, the MPI SCSI IO requests nee
Sasikumar Chandrasekaran (11):
megaraid_sas: Add new pci device Ids for SAS3.5 Generic Megaraid
Controllers
megaraid_sas: 128 MSIX Support
megaraid_sas: EEDP Escape Mode Support for SAS3.5 Generic Megaraid
Controllers
megaraid_sas: SAS3.5 Generic Megaraid Controllers Stream Detecti
> -Original Message-
> From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi-
> ow...@vger.kernel.org] On Behalf Of Don Brace
> Sent: Friday, November 11, 2016 10:09 AM
> To: Hannes Reinecke; j...@linux.vnet.ibm.com; John Hall; Kevin Barnett;
> Mahesh Rajashekhara; h...@infradead.org; S
From: Quinn Tran
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 2 ++
drivers/scsi/qla2xxx/qla_init.c | 14 --
drivers/scsi/qla2xxx/qla_isr.c| 25 +++--
drivers/scsi/qla2xxx/qla_os.c | 2 +-
drivers/
From: Quinn Tran
Move Get ID list, stats and Get Port Databasae mailbox commands
out of MB interface which is serialized to IOCB interface
to reduce contention.
Current driver wait for FW to be in the ready state
before processing in coming commands. For loop mode,
certain initiator takes longer
From: Quinn Tran
corrupt ATIO is defined as length of fcp_header & fcp_cmd
payload is less than 0x38. It's the minimum size for a frame to
carry 8..16 bytes SCSI CDB. The exchange will be drop or
terminated if corrupted
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scs
From: Joe Carnuccio
Signed-off-by: Joe Carnuccio
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_attr.c | 12 +++
drivers/scsi/qla2xxx/qla_bsg.c| 13 ---
drivers/scsi/qla2xxx/qla_def.h| 2 +-
drivers/scsi/qla2xxx/qla_gs.c | 14
drivers/scsi/qla2xxx/
From: Quinn Tran
This patch adds capability to poll for an interrupt, If hardware
does not generate any interrupt for 2 seconds.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 8 +
drivers/scsi/qla2xxx/qla_dfs.c| 75 +
From: Quinn Tran
Current code has 2 structures/codes tracking the same
remote port (fc_port & qla_tgt_sess). Merge these structures
and code under same fc_port.
In target mode, current code does not communicate session
state change to initiator side, Merget target and initiator
mode sessions int
From: Quinn Tran
> cat /sys/kernel/debug/qla2xxx/*/irq_cpuid
qla2xxx_81
IRQ Name Vector CPUID
qla2xxx (default) 150 9
qla2xxx (rsp_q)151 9
qla2xxx (atio_q) 152 9
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla
From: Quinn Tran
Per HW recommendation, Soft reset and Risc reset should
take 100uS to complete. This change pad the timeout up to
400uS, which should be plenty.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_init.c | 4 ++--
1 file changed, 2 insertion
From: Quinn Tran
qlt_reset is call with Immedidate Notification IOCB only.
Current code wrongly cast it as ATIO IOCB.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_target.c | 6 +-
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/driver
From: Quinn Tran
- Save NPort ID early in link init.
- Add session deletion for TPRLO and send acknowledgement for TPRLO.
- Enable FW option to move ABTS, RIDA & PUREX from RSPQ
to ATIOQ.
- Move ABTS & RIDA to ATIOQ helps in keeping command ordering and
link up sequence ordering.
- Save Nport
From: Quinn Tran
In Some instance following stack trace is seen for slow
memory allocation with lock held
Call Trace:
[] dump_stack+0x6b/0xa4
[] ? print_irqtrace_events+0xd0/0xe0
[] ___might_sleep+0x183/0x240
[] __might_sleep+0x52/0x90
[] kmem_cache_alloc_trace+0x5b/0x300
[] ? __lock_acqui
From: Quinn Tran
Add switch to allow both Initiator Mode & Target
mode to operate at the same time.
Also remove unwanted/unused ini_mode_force option
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h | 2 +-
drivers/scsi/qla2xxx/qla_init.c
From: Quinn Tran
Termination of Immediate Notification IOCB was using
wrong IOCB handle. IOCB completion code was unable to
find appropriate code path due to wrong handle.
Following message is seen in the logs.
"Error entry - invalid handle/queue ()."
Signed-off-by: Quinn Tran
Signed-off-
From: Quinn Tran
Qlogic's adapter is able to behave in multiple modes:
initiator, target, exclusive/either, and dual/both.
This patch renames the qlini_mode -> qlop_mode and allow
different setting for each port and exchange resource control.
Usage:
modprobe qla2xxx qlop_mode=dual_mode
echo 95
From: Quinn Tran
Currently code makes login/logout decision after a full scan of
the fabric. It's an expensive process in a large SAN. Eliminate
duplication of command by moving the login/logout decision from
a full fabric scan to an individual scan of the affected port.
Also, current code ignore
From: Quinn Tran
This patch fixes crash due to Null pointer access.
Following stack trace will be seen.
[1469877.797315] Call Trace:
[1469877.799940] [] qla2x00_mem_alloc+0xb09/0x10c0 [qla2xxx]
[1469877.806980] [] qla2x00_probe_one+0x86a/0x1b50 [qla2xxx]
[1469877.814013] [] ? __pm_runtime_re
From: Quinn Tran
Following changes are done for target code
- Move cmd search out of qla to remove symbol dependency. The
command list is held in se_session struct. This knowledege
should be in tcm_qla2xxx.
- Move code that "convert Task Mgmt Command flags fr ATIO
to TCM #define" from qla2
Some of the ports have BIT_15 of firmware_options1 set. This is a
reserved bit and should not be set for Target Mode. Clear BIT 15
during stage1 initialization.
Signed-off-by: Himanshu Madhani
Signed-off-by: Giridhar Malavali
---
drivers/scsi/qla2xxx/qla_target.c | 15 ++-
1 file ch
Signed-off-by: Himanshu Madhani
Signed-off-by: Giridhar Malavali
---
drivers/scsi/qla2xxx/tcm_qla2xxx.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 37e026a..37e9f57 100644
--- a/drivers/scsi/ql
From: Quinn Tran
qla2xxx currently access T10-DIF protection opcode and type
field in se_cmd struct. Add translation code so qla2xxx driver
would not acces private TCM data structure.
Signed-off-by: Quinn Tran
Signed-off-by: Anil Gurumurthy
Signed-off-by: Himanshu Madhani
---
drivers/scsi/ql
From: Quinn Tran
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_mbx.c | 27 ---
1 file changed, 20 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index a94a3ab..76184ee
Hi Nic,
Please consider this series for target-pending. This series is based on
scsi-misc series that was submitted earlier today.
Here's link for that series
http://marc.info/?l=linux-scsi&m=148105128210090&w=2
This series contains following changes
o Clean up Target code and tcm_qla2xxx fo
Signed-off-by: Himanshu Madhani
Signed-off-by: Giridhar Malavali
---
drivers/scsi/qla2xxx/qla_tmpl.c | 24
1 file changed, 24 insertions(+)
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 36935c9..9ae89af 100644
--- a/drivers/scsi/ql
We should use dma_pool_zalloc instead of dma_pool_alloc/memset
Signed-off-by: Souptick joarder
---
drivers/scsi/qla4xxx/ql4_mbx.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index c291fdf..f2edfd7 100644
--
From: Michael Hernandez
Replaced existing multiple queue functionality with framework
that allows for the creation of pairs of request and response queues,
either at start of day or dynamically.
Queue pair creation depend on module parameter "ql2xmqsupport",
which need to be enabled to create qu
From: Michael Hernandez
Replaces the old pci_enable_msi[x]* and pci_disable_msi[x] calls.
Signed-off-by: Michael Hernandez
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h | 2 +-
drivers/scsi/qla2xxx/qla_isr.c | 89 --
drivers/scsi/q
From: Michael Hernandez
Tell the SCSI layer how many hardware queues we have based on the number
of max queue pairs created. The number of max queue pairs created will
depend on number of MSI-X vector count.
This feature can be turned on via CONFIG_SCSI_MQ_DEFAULT or passing
scsi_mod.use_blk_mq=
From: Quinn Tran
- Fix race condition between dpc_thread accessing Multiqueue resources
and qla2x00_remove_one thread trying to free resource.
- Fix out of order free for Multiqueue resources. Also, Multiqueue
interrupts needs a workqueue. Interrupt needed to stop before
the wq can be destr
This patch is allowing only ROM mailbox command which are
necessary to initialize chip after a reset has been issued.
In a target environment, there could be a user space daemon
which can issue statistics and other management mailbox command
which are non-critical. This patch will timeout non criti
From: Samy
This patch helps resolve some of the mailbox timeout issue discovered
during large SAN emulation testing where 1000+ initiators are trying
to log into target mode personality. Since current mailbox interface
handles submission and processing of commands in a sequential order,
command c
Hi Martin,
Please consider this revised series for inclusion into scsi-misc.
This series has incorporated partial changes based on review comments
from Christop and Hannes.
There were few changes that are left out of this series as they
will need regression testing and we have patches for tar
On Tue, Dec 06, 2016 at 03:10:33PM +0800, Zhouyi Zhou wrote:
> kmalloc_reserve may fail to allocate memory inside skb_linearize,
> which means skb_linearize's return value should not be ignored.
> Following patch correct the uses of skb_linearize.
>
> Compiled in x86_64
FWIW compiled also on SP
On 5.12.2016 17:27, Sasikumar Chandrasekaran wrote:
> This patch contains new pci device ids for SAS3.5 Generic Megaraid Controllers
>
> Signed-off-by: Sasikumar Chandrasekaran
> ---
> drivers/scsi/megaraid/megaraid_sas.h| 11 ++-
> drivers/scsi/megaraid/megaraid_sas_base.c | 20
On 12/06/16 01:12, Wei Fang wrote:
> The scsi device is being setted to the SDEV_RUNNING state at the end of
> the scan work. When the remote port reappears, scsi_target_unblock()
> will be called, but the QUEUE_FLAG_STOPPED flag will not be cleared,
> since scsi_internal_device_unblock() ignores S
On Tue, Dec 6, 2016 at 4:38 PM, Johannes Thumshirn wrote:
> On Tue, Dec 06, 2016 at 10:43:57AM +0100, Dmitry Vyukov wrote:
>> On Tue, Dec 6, 2016 at 10:32 AM, Johannes Thumshirn
>> wrote:
>> > On Mon, Dec 05, 2016 at 07:03:39PM +, Al Viro wrote:
>> >> On Mon, Dec 05, 2016 at 04:17:53PM +0100
__CHECK_ENDIAN__ isn't on by default presumably because
it triggers too many sparse warnings for correct code.
But virtio is now clean of these warnings, and
we want to keep it this way - enable this for
sparse builds.
Signed-off-by: Michael S. Tsirkin
---
It seems that there should be a better
I run latest sparse from git on virtio drivers
(turns out the version I had was rather outdated).
This patchset fixes a couple of bugs this uncovered,
and adds some annotations to make it sparse-clean.
In particular, endian-ness is often tricky,
so this patchset enabled endian-ness checks for spars
On Tue, Dec 06, 2016 at 10:43:57AM +0100, Dmitry Vyukov wrote:
> On Tue, Dec 6, 2016 at 10:32 AM, Johannes Thumshirn
> wrote:
> > On Mon, Dec 05, 2016 at 07:03:39PM +, Al Viro wrote:
> >> On Mon, Dec 05, 2016 at 04:17:53PM +0100, Johannes Thumshirn wrote:
> >> > 633 hp = &srp->header;
While stressing memory and IO at the same time we changed SMT settings,
we were able to consistently trigger deadlocks in the mm system, which
froze the entire machine.
I think that under memory stress conditions, the large allocations
performed by blk_mq_init_rq_map may trigger a reclaim, which s
In blk_mq_map_swqueue, there is a memory optimization that frees the
tags of a queue that has gone unmapped. Later, if that hctx is remapped
after another topology change, the tags need to be reallocated.
If this allocation fails, a simple WARN_ON triggers, but the block layer
ends up with an act
Hi,
just FYI, obviously my issue was related to kernel bug #187061 [1]. I
did a test build of kernel 4.8.12 with the patch from the bug report
applied and this resolved the issue for me.
So, I’m voting for a backport of this change to kernel 4.8.
If this is the wrong place to ask for a backport,
Thanks, please update the patch with this description for next resend.
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And simplify the MSI-X logic in general - just request the two
vectors directly instead of going through an indirection table.
Signed-off-by: Christoph Hellwig
---
drivers/scsi/qla4xxx/ql4_def.h | 18 +
drivers/scsi/qla4xxx/ql4_glbl.h | 1 -
drivers/scsi/qla4xxx/ql4_isr.c | 27 +--
Hi Nilesh,
> > try_msi:
> > /* Trying MSI */
> >-ret = pci_enable_msi(ha->pdev);
> >+ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
> > if (!ret) {
>
> Since pci_alloc_irq_vectors returns a negative error code upon error,
> This should be if (ret).
Fixes, thanks.
> Si
>-Original Message-
>From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi-
>ow...@vger.kernel.org] On Behalf Of Hannes Reinecke
>Sent: Friday, December 02, 2016 5:22 PM
>To: Martin K. Petersen
>Cc: Christoph Hellwig; James Bottomley; Sathya Prakash; linux-
>s...@vger.kernel.org; Hannes
On Mon, Nov 28, 2016 at 04:56:26PM +0530, Souptick Joarder wrote:
> Inside mvs_task_prep(), pci_pool_alloc() followed by memset will be
> replaced by pci_pool_zalloc()
>
> Signed-off-by: Souptick joarder
> ---
FWIW,
Reviewed-by: Johannes Thumshirn
--
Johannes Thumshirn
Hi Martin,
On Tue, Dec 6, 2016 at 3:34 AM, Martin K. Petersen
wrote:
>> "Souptick" == Souptick Joarder writes:
>
> Souptick,
>
> Souptick> Any comment on this patch?
>
> The patch looked OK to me when you posted it. However, you need one
> person in addition to me to review it. And you need
In the hip06 and hip07 SoCs, the interrupt lines from the
SAS controllers are connected to mbigen hw module [1].
The mbigen module is probed with module_init, and, as such,
is not guaranteed to probe before the SAS driver. So we need
to support deferred probe.
We check for probe deferral in the hw
Please see comments inline.
Thanks,
Nilesh
On 18/11/16, 12:45 PM, "Christoph Hellwig" wrote:
>And simplify the MSI-X logic in general - just request the two
>vectors directly instead of going through an indirection table.
>
>Signed-off-by: Christoph Hellwig
>---
> drivers/scsi/qla4xxx/ql4_def.
Oops. Sorry for the noise.
regards,
dan carpenter
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On Tue, Dec 6, 2016 at 10:32 AM, Johannes Thumshirn wrote:
> On Mon, Dec 05, 2016 at 07:03:39PM +, Al Viro wrote:
>> On Mon, Dec 05, 2016 at 04:17:53PM +0100, Johannes Thumshirn wrote:
>> > 633 hp = &srp->header;
>> > [...]
>> > 646 hp->dxferp = (char __user *)buf + cmd
On Mon, Dec 05, 2016 at 07:03:39PM +, Al Viro wrote:
> On Mon, Dec 05, 2016 at 04:17:53PM +0100, Johannes Thumshirn wrote:
> > 633 hp = &srp->header;
> > [...]
> > 646 hp->dxferp = (char __user *)buf + cmd_size;
>
> > So the memory for hp->dxferp comes from:
> > 633
A scan work can run simultaneously with fc_remote_port_delete().
If a scsi device is added to the ->__devices list in the scan work,
it can be touched and will be blocked in scsi_target_block(), which
will be called in fc_remote_port_delete(), and QUEUE_FLAG_STOPPED
flag will be setted to the scsi
Hello Martin,
"Martin K. Petersen" writes:
>> "Nicolai" == Nicolai Stange writes:
> Nicolai> Due to reported problems with Write Same on ATA devices, commit
> Nicolai> 0ce1b18c42a5 ("libata: Some drives failing on SCT Write Same")
> Nicolai> strived to report non-support for Write Same on n
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