Stephen Cameron [Fri, 23 Jan 2015 22:42:59 +0000 (16:42 -0600)]
hpsa: reserve some commands for use by driver
We need to reserve some commands for device rescans,
aborts, and the pass through ioctls, etc. so we cannot
give them all to the scsi mid layer.
This is in preparation for removing cmd_special_alloc and
cmd_special_free so that we can stop queuing commands internally
in the driver so that we can remove the locks thta protect the
queue that we will no longer have.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
This didn't cause any problem, as those functions can tolerate being called
when what they free hasn't been allocated (relevant pointers would be NULL)
but it is potentially confusing.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:42 +0000 (16:42 -0600)]
hpsa: report allocation failures while allocating SG chain blocks
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:37 +0000 (16:42 -0600)]
hpsa: pass error from pci_set_consistent_dma_mask from hpsa_message
Return the actual error code instead of a generic error code.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:32 +0000 (16:42 -0600)]
hpsa: rename hpsa_request_irq to hpsa_request_irqs
Make the function name more descriptive. We use more than
one interrupt.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:27 +0000 (16:42 -0600)]
hpsa: report failure to ioremap config table
Enhance error reporting.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Stephen Cameron [Fri, 23 Jan 2015 22:42:22 +0000 (16:42 -0600)]
hpsa: trivial message and comment clean ups
Cleanup comments to be more specific. Make messages more
informational.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Webb Scales [Fri, 23 Jan 2015 22:42:17 +0000 (16:42 -0600)]
hpsa: refactor hpsa_find_board_params() to encapsulate legacy test
Encapsulate the conditional predicate which tests for legacy controllers
in a separate function and rework the code comments.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Webb Scales <webbnh@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:11 +0000 (16:42 -0600)]
hpsa: downgrade the Waiting for no-op print to dev_info
There is nothing worrisome about the "Waiting for controller to
respond to no-op" print, so use dev_info rather than dev_warn.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:06 +0000 (16:42 -0600)]
hpsa: propagate return value from board ID lookup
If the board ID lookup function fails, return the return
code rather than return -ENODEV.
The only board ID failure reason right now is -ENODEV,
so this just provides more informative prints in kdump
and adapts to future changes.
Tested with error injection while booting with
reset_devices
on the kernel command line:
[ 62.804324] injecting error in inj_hpsa_lookup_board_id: 1 11
[ 62.804423] hpsa 0000:04:00.0: Board ID not found
(the pci probe layer does not print an additional
message if -ENODEV is the reason)
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:42:01 +0000 (16:42 -0600)]
hpsa: propagate hard_reset failures in reset_devices mode
Return the real reason for kdump_hard_reset failure rather
than change them all to -ENODEV.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:41:56 +0000 (16:41 -0600)]
hpsa: remove 0x from queue depth print which is in decimal
The queue depth printed at startup is in decimal, so
shouldn't have a 0x prefix.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:41:51 +0000 (16:41 -0600)]
hpsa: notice all request_irq errors
In MSI and MSI-X mode, where hpsa asks for more than one interrupt,
hpsa_request_irqs forgets if the first request_irq call failed
if later ones succeed.
It needs to exit the loop on any failure rather than continue,
freeing all irqs that were requested until that point.
Also, it needs to clear out the q numbers up to MAX_REPLY_QUEUES.
The same is true for the general hpsa_free_irqs function.
Tested with error injection of -ENOSYS on the 4th call:
[ 9.277691] injecting error in inj_request_irq: 1 4
[ 9.277780] hpsa 0000:02:00.0: failed to get irq 35 for hpsa1
[ 10.711623] scsi host1: Error handler scsi_eh_1 exiting
[ 10.739170] hpsa: probe of 0000:02:00.0 failed with error -38
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Fabian Frederick [Fri, 23 Jan 2015 22:41:46 +0000 (16:41 -0600)]
hpsa: Fix -Wunused-but-set-variable warning
Remove unused variable in hpsa_free_cmd_pool.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:41:40 +0000 (16:41 -0600)]
hpsa: rename free_irqs to hpsa_free_irqs
Change the function names to have hpsa prefix.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Robert Elliott [Fri, 23 Jan 2015 22:41:35 +0000 (16:41 -0600)]
hpsa: adjust RAID-1, RAID-1ADM, and RAID-6 names
HP now uses RAID-6 rather than RAID-ADG (Advanced Data Guarding)
as the marketing name for our implementation of RAID-6.
The driver considers RAID-1 and RAID-1+0 to be the same level, and
considers RAID-1ADM and RAID-1+0ADM to be the same level. Parenthesis
can be used to reflect the optional +0 portion of both those RAID levels.
Rename: RAID-ADG to RAID-6
RAID-1(1+0) to RAID-1(+0)
RAID-1(ADM) to RAID-1(+0)ADM
Also, add another const after the pointer type as suggested
by checkpatch.pl so the array is:
static const char * const raid_label[]
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Don Brace [Fri, 23 Jan 2015 22:41:30 +0000 (16:41 -0600)]
hpsa: correct change_queue_depth
We change drive queue depths to match drive reported queue depths.
The name of the SML function was changed from scsi_adjust_queue_depth
changed to scsi_change_queue_depth.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Don Brace [Fri, 23 Jan 2015 22:41:25 +0000 (16:41 -0600)]
hpsa: change how SA controllers are reset
Change how SA controllers are reset by changing PCI power levels.
The hpsa driver was finding the PCI_PM_CTRL_STATE_MASK offset
then reading/writing a bitmask to change the power state. There
are kernel functions that do the same operations. Better to use
the kernel functions.
Signed-off-by: Don Brace <don.brace@pmcs.com> Reviewed-by: Scott Teel <scott.teel@pmcs.com> Reviewed-by: Webb Scales <webbnh@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Tomas Henzl [Fri, 23 Jan 2015 22:41:20 +0000 (16:41 -0600)]
hpsa: turn off interrupts when kdump starts
Sometimes when the card is restarted it may cause -
"irq 16: nobody cared (try booting with the "irqpoll" option)"
that is likely caused so, that the card, after the hard reset
finishes, pulls on the irq. Disabling the ints before or after
the hpsa_kdump_hard_reset_controller fixes it.
At this point we can't know in which state the card is,
so using SA5_INTR_OFF + SA5_REPLY_INTR_MASK_OFFSET defines directly,
instead of the function the drivers provides, seems to be apropriate.
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Tomas Henzl [Fri, 23 Jan 2015 22:41:14 +0000 (16:41 -0600)]
hpsa: fix memory leak in kdump hard reset
There is a potential memory leak in hpsa_kdump_hard_reset_controller.
Reviewed-by: Don Brace <don.brace@pmcs.com> Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Don Brace [Fri, 23 Jan 2015 22:41:09 +0000 (16:41 -0600)]
hpsa: correct endian sparse warnings
Correct endiness issues reported by sparse. SA controllers are
little endian. This patch ensures endiness correctness.
Signed-off-by: Don Brace <don.brace@pmcs.com> Reviewed-by: Scott Teel <scott.teel@pmcs.com> Reviewed-by: Webb Scales <webbnh@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Yaniv Gardi [Thu, 15 Jan 2015 14:32:37 +0000 (16:32 +0200)]
ufs-qcom: add support for Qualcomm Technologies Inc platforms
This change adds support for Qualcomm Technologies Inc platforms that
use UFS driver. for example, it adds :
- PM specific operations during hibern8, suspend, resume, clock setup
- qcom-ufs generic phy driver initialization, calibration,
power-on/off sequence, etc.
- UFS Controller specific configuration
- Rate, Gear, Mode negotiation between device and controller
Yaniv Gardi [Thu, 15 Jan 2015 14:32:35 +0000 (16:32 +0200)]
phy: qcom-ufs: add support for QUALCOMM Technologies UFS PHY drivers
This change adds a generic and common API support for ufs phy QUALCOMM
Technologies. This support provides common code and also points
to specific phy callbacks to differentiate between different behaviors
of frequent use-cases (like power on, power off, phy calibration etc).
The midlayer scsi logging already logs the command and sense code
if the logging level is high enough, no need to duplicate that
in the sr driver.
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Bottomley <JBottomley@Parallels.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.de>
The midlayer logging already prints the cdb details if the logging
level is high enough, no need to duplicate this in the ch driver.
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Bottomley <JBottomley@Parallels.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Bottomley <JBottomley@Parallels.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.de>
scsi: annotate sdev_prefix_printk and scmd_printk as printf-like
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Bottomley <JBottomley@Parallels.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Hannes Reinecke <hare@suse.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:09:04 +0000 (11:39 +0530)]
mpt2sas: Bump driver version to 20.100.00.00
Bump mpt2sas driver version to 20.100.00.00.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:09:03 +0000 (11:39 +0530)]
mpt2sas, mpt3sas: set cpu affinity for each MSIX vectors
Added a support to set cpu affinity mask for each MSIX vector enabled
by the HBA. So that, running the irqbalancer will balance interrupts among
the cpus.
Change_set:
1. Added affinity_hint varable of type cpumask_var_t in adapter_reply_queue
structure. And allocated a memory for this varable by calling
alloc_cpumask_var.
2. Call the API irq_set_affinity_hint for each MSIx vector to affiniate it
with calculated cpus at driver inilization time.
3. While freeing the MSIX vector, call this same API to release the cpu
affinity mask for each MSIx vector by providing the NULL value in
cpumask argument.
4. then call the free_cpumask_var API to free the memory allocated in step 2.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:09:02 +0000 (11:39 +0530)]
mpt2sas, mpt3sas: Update attribution language to Avago
Copyright, Trademark & Confidentiality legal statements throughout the
source code changed from LSI to Avago.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:09:01 +0000 (11:39 +0530)]
mpt2sas: map log_info value 0x0x32010081 to DID_RESET
For any SCSI command, if the driver receives IOC status =
SCSI_IOC_TERMINATED and log info = 0x32010081 then that command will be
completed with DID_RESET host status.
The definition of this log info value is "Virtual IO has failed and has
to be retried".
Firmware will provide this log info value with IOC Status
"SCSI_IOC_TERMINATED", whenever a drive (with is a part of a volume)
is pulled and pushed back within some minimal delay. With this log info
value, firmware informs the driver to retry the failed IO command
infinite times, so to provide some time for the firmware to discover
the reinserted drive successfully instated of just retrying failed
command for five times( doesn't giving enough time for firmware to
complete the drive discovery) and failing the IO permanently even
though drive came back successfully.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:09:00 +0000 (11:39 +0530)]
mpt2sas, mpt3sas: fix upper bound for the module parameter max_sgl_entries
Change Set:
1. Extended the upper boundary restriction for the module parameter
max_sgl_entries. Earlier, the max_sgl_entries was capped at the
SCSI_MAX_SG_SEGMENTS kernel definition. With this change, the user
would be able to set the max_sgl_entries to any value which is
greater than SCSI_MAX_SG_SEGMENTS and less than the minimum of
SCSI_MAX_SG_CHAIN_SEGMENTS & hardware limit (Calculated using
IOCFacts's MaxChainDepth).
2. Added a print for the message log whenever the user sets the
max_sgl_entries to a value greater than SCSI_MAX_SG_SEGMENTS to
warn about the kernel definition overriding.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:08:59 +0000 (11:38 +0530)]
mpt2sas: MPI2 Rev BB (2.00.20) specification and 2.00.35 header files
Change List in this MPI2 specification,
1. Added SSUTimeout field to MPI2_CONFIG_PAGE_BIOS_1,
and more defines for the BiosOptions field.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:08:58 +0000 (11:38 +0530)]
mpt2sas: Bump driver version to 19.100.00.00
Bump driver version to 19.100.00.00.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:08:57 +0000 (11:38 +0530)]
mpt2sas, mpt3sas: Fail the host reset initiated due to discovery related I/O timeouts at driver load time
When a flaky disk is there in a topology then during driver load,
discovery related I/O times out; which results in SCSI error recovery
initiating host reset and then the controller won't see any disk.
In this patch, The driver would return FAILED status to the host reset
initiated due to discovery related I/O timeout if ioc->is_driver_loading
is set. This flag would be set until we exit out of scsih_scan_finished().
i.e.
During device discovery if one of the disk is flaky
(which responds to some discovery commands and doesn't respond to some)
the driver wouldn't perform host reset for discovery related I/O timeout.
Instead it would return Failure for the host reset resulting in the
flaky disk getting removed by the SCSI Mid layer,
so other disks would be added correctly.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:08:56 +0000 (11:38 +0530)]
mpt2sas, mpt3sas: log exceeded temperature thresholds
This patch will log a message when driver receives "Temperature Threshold
exceeded" event from any temperature sensor.
The message will look similar to like:
mpt3sas0: Temperature Threshold flags a b c d exceeded for Sensor: x !!!
mpt3sas0: Current Temp In Celsius: y
where a b c d are threshold flags 0 1 2 3
Change_set:
1. Get the number of sensor count of this IOC by reading IO Unit page 8 at
driver initialization time.
2. Also unmask the Temperature Threshold Event at driver initialization
time
3. Whenever a MPI2_EVENT_TEMP_THRESHOLD event is received from the
firmware, then print the sensor number, the maximum threshold number it
has exceed and the current temperature of this sensor.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Sreekanth Reddy [Mon, 12 Jan 2015 06:08:55 +0000 (11:38 +0530)]
mpt2sas: MPI2 Rev AA (2.00.19) specifications
Below is the changeset from the MPI specification and 2.00.34 header
files:
1) Defined additional bits in the BiosOptions field of BIOS Page 1 to
allow for finer control of X86 BIOS and UEFI BSD.
2) For the Clean Tool, reserved bit 26 of the Flags field for product
specific use.
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
megaraid_sas: reserve commands for IOCTLs and internal DCMDs
1) For fusion adapters, limit reserved frames for non SCSI commands to 8
(3 for parallel IOCTLs + 5 for driver's internal DCMDs).
Earlier reserved commands for non SCSI IO frames was set to 32, so with
this implementation, increased per controller "can_queue".
Behavior of MFI controllers will remain unchanged.
2) Optimize the code related to per controller's 'can_queue' setting.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
megaraid_sas: complete outstanding IOCTLs before killing adapter
Driver calls megasas_complete_cmd() to call wake_up() for each MFI frame
that was issued through the ioctl() interface prior to the kill adapter.
This ensures userspace ioctl() system calls issued just before a kill
adapter don't get stuck in wait state and IOCTLs are returned to
the application.
Cc: <stable@vger.kernel.org> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
megaraid_sas: disable interrupt_mask before enabling hardware interrupts
Update driver "mask_interrupts" before enable/disable hardware interrupt
in order to avoid missing interrupts because of "mask_interrupts" still
set to 1 and hardware interrupts are enabled.
Cc: <stable@vger.kernel.org> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
megaraid_sas: fix the problem of non-existing VD exposed to host
This patch will address the issue of SCSI device created at OS level for
non existing VD. ldTgtIdtoLd[] array has size 256 for Extended VD firmware
and 128 for legacy firmware. Accessing indices beyond array size (OS will
send TUR, INQUIRY.. commands upto device index 255), may return valid LD
value and that particular SCSI command will be SUCCESS and creating SCSI
device for non existing target(VD).
For legacy firmware (64 VD firmware), invalidates LD (by setting LD value
to 0xff) in LdTgtIdtoLd[] array for device index beyond 127, so that
invalid LD(0xff) value should be returned beyond device index beyond 127.
Cc: <stable@vger.kernel.org> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
This patch adds support for Secure Encrypting Drives (SED) in JBOD mode:
1) If the firmware supports SED JBOD, all non read/write commands to JBODs
will be sent via firmware path, and read/write commands to JBODs will
be sent via fastpath.
2) If the firmware does not support SED JBOD, driver will fall back to the
old design, i.e. send all JBOD I/O via fastpath.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
megaraid_sas: endianness related bug fixes and code optimization
This patch addresses below issues:
1) Few endianness bug fixes.
2) Break the iteration after (MAX_LOGICAL_DRIVES_EXT - 1)),
instead of MAX_LOGICAL_DRIVES_EXT.
3) Optimization in MFI INIT frame before firing.
4) MFI IO frame should be 256bytes aligned. Code is optimized to reduce
the size of frame for fusion adapters and make the MFI frame size
calculation a bit transparent and readable.
Cc: <stable@vger.kernel.org> Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com> Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Chaitra Basappa <chaitra.basappa@avagotech.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:50 +0000 (07:43 +0100)]
scsi: do not display kernel pointer in message logs
It is not good practice to display the kernel pointer in any message logs,
and it doesn't display any additional information. And as we know have
block-layer assigned tags we can use them to differentiate the messages.
So remove any pointer references from the displayed messages.
Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:49 +0000 (07:43 +0100)]
scsi: Do not display buffer pointers in scsi_log_send()
scsi_log_send() would display buffer pointer for higher logging levels.
This is not only of questionable value but also exposes kernel pointer to
userspace, which is discouraged in some setups. So drop this message
altogether.
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:48 +0000 (07:43 +0100)]
scsi: Conditionally compile in constants.c
Instead of having constants.c littered with ifdef statements we should
be moving dummy functions into the header and condintionally compile in
constants.c if selected. And update the Kconfig description to reflect
the actual size difference.
Suggested-by: Christoph Hellwig <hch@infradead.org> Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:47 +0000 (07:43 +0100)]
scsi: use per-cpu buffer for formatting scsi_print_result()
Convert scsi_print_result() to use the per-cpu buffer for decoding the
command result and disposition.
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:46 +0000 (07:43 +0100)]
scsi: use per-cpu buffer for formatting sense
Convert sense buffer logging to use the per-cpu buffer to avoid line
breakup.
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:45 +0000 (07:43 +0100)]
libata: use __scsi_format_command()
libata already uses an internal buffer, so we should be using
__scsi_format_command() here.
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:44 +0000 (07:43 +0100)]
scsi: use external buffer for command logging
Use an external buffer for __scsi_print_command() and move command
logging over to use the per-cpu logging buffer. With that we can
guarantee the command always will always be formatted in one line.
So we can even print out a variable length command correctly across
several lines. Finally rename __scsi_print_command() to
__scsi_format_comment() to better reflect the functionality.
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:43 +0000 (07:43 +0100)]
scsi: log request tag for scmd_printk()
The request tag provides a concise identification of a SCSI
command, so we should be printing that out for scmd_printk().
Suggested-by: Christoph Hellwig <hch@lst.de> Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Hannes Reinecke [Thu, 8 Jan 2015 06:43:42 +0000 (07:43 +0100)]
scsi: Implement per-cpu logging buffer
Implement a per-cpu buffer for formatting messages to avoid line breaks
up under high load. This patch implements scmd_printk() and
sdev_prefix_printk() using the per-cpu buffer and makes sdev_printk() a
wrapper for sdev_prefix_printk().
Tested-by: Robert Elliott <elliott@hp.com> Reviewed-by: Robert Elliott <elliott@hp.com> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
K. Y. Srinivasan [Tue, 16 Dec 2014 21:21:45 +0000 (13:21 -0800)]
storvsc: force SPC-3 compliance on win8 and win8 r2 hosts
On win8 and win8 r2 hosts force SPC-3 compliance for MSFT virtual disks.
Ubuntu has been carrying a similar patch outside the tree for a while now.
Starting with win10, the host will support SPC-3 compliance. Based on all
the testing that has been done on win8 and win8 r2 hosts, we are comfortable
claiming SPC-3 compliance on these hosts as well. This will enable TRIM
support on these hosts.
Suggested by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
K. Y. Srinivasan [Tue, 16 Dec 2014 21:21:44 +0000 (13:21 -0800)]
storvsc: fix a bug in storvsc limits
Commit 4cd83ecdac20d30725b4f96e5d7814a1e290bc7e changed the limits to
reflect the values on the host. It turns out that WS2008R2 cannot
correctly handle these new limits. Fix this bug by setting the limits
based on the host.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
K. Y. Srinivasan [Tue, 16 Dec 2014 21:21:43 +0000 (13:21 -0800)]
storvsc: force discovery of LUNs that may have been removed.
The host asks the guest to scan when a LUN is removed or added.
The only way a guest can identify the removed LUN is when an I/O is
attempted on a removed LUN - the SRB status code indicates that the LUN
is invalid. We currently handle this SRB status and remove the device.
Rather than waiting for an I/O to remove the device, force the discovery of
LUNs that may have been removed prior to discovering LUNs that may have
been added.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
storvsc: use cmd_size to allocate per-command data
STORVSC uses its own momory pool to manage device request data. However,
the SCSI layer already has a mechanisim for allocating additional memory
for each command issued to device driver. This patch removes the memory
pool in STORVSC and makes it use SCSI layer to allocate memory for device
request data.
Reviewed-by: Long Li <longli@microsoft.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
James Smart [Tue, 30 Dec 2014 17:08:58 +0000 (12:08 -0500)]
lpfc: correct device removal deadlock after link bounce
This patch, applicable to 8G/4G/2G adapters, adds a call that
resumes transmit operations after a link bounce. Without it, targets
that tried to suspend exchanges after a link bounce (such as tape devices
using sequence level error recovery) would never resume io operation,
causing scan failures, and eventually deadlocks if a device removal
request is made.
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Ewan D. Milne [Thu, 4 Dec 2014 16:49:28 +0000 (11:49 -0500)]
scsi_debug: Implement WRITE BUFFER command
Accept the WRITE BUFFER command and do nothing other than
set the appropriate "microcode has been changed" UA on the LU.
>From an earlier patch by Doug Gilbert.
Signed-off-by: Ewan D. Milne <emilne@redhat.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Tested-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Ewan D. Milne [Thu, 4 Dec 2014 16:49:27 +0000 (11:49 -0500)]
scsi_debug: Add REPORTED LUNS DATA HAS CHANGED Unit Attention
Generate a REPORTED LUNS DATA HAS CHANGED Unit Attention if
sysfs "max_luns" is used to change the number of scsi_debug LUNs.
This is only done if scsi_debug_scsi_level is SPC-3 or above.
Additionally, implement SPC-4 behavior which only generates
this Unit Attention on the first LUN on the target to receive
a command after the change. This condition is cleared when
a REPORT LUNS command is received.
Signed-off-by: Ewan D. Milne <emilne@redhat.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Tested-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Song Liu [Tue, 30 Dec 2014 22:46:18 +0000 (14:46 -0800)]
ses: Add power_status to SES device slot
Add power_status to SES device slot, so we can power on/off the
HDDs behind the enclosure.
Check firmware status in ses_set_* before sending control pages to
firmware.
Signed-off-by: Song Liu <songliubraving@fb.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Jens Axboe <axboe@fb.com> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Dan Williams [Tue, 30 Dec 2014 22:46:17 +0000 (14:46 -0800)]
ses: add reliable slot attribute
The name provided by firmware is in a vendor specific format, publish
the slot number to have a reliable mechanism for identifying slots
across firmware implementations. If the enclosure does not provide a
slot number fallback to the component number which is guaranteed unique,
and usually mirrors the slot number.
Cleaned up the unused ses_component.desc in the process.
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Dan Williams [Tue, 30 Dec 2014 22:46:16 +0000 (14:46 -0800)]
ses: add enclosure logical id
Export the NAA logical id for the enclosure. This is optionally
available from the sas_transport_class, but it is really a property of
the enclosure.
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Dan Williams [Tue, 30 Dec 2014 22:46:15 +0000 (14:46 -0800)]
ses: generate KOBJ_CHANGE on enclosure attach
In support of a /dev/disk/by-slot populated with data from the enclosure
and ses modules udev needs notification when the new interface
files/links are available. Otherwise, any udev rules specified for the
disk cannot assume that the enclosure topology has settled.
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Dan Williams [Tue, 30 Dec 2014 22:46:14 +0000 (14:46 -0800)]
ses: close potential registration race
The slot and address fields have a small window of instability when
userspace can read them before initialization. Separate
enclosure_component
allocation from registration.
Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jens Axboe <axboe@fb.com> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
Rob Evers [Tue, 16 Dec 2014 16:01:20 +0000 (11:01 -0500)]
scsi: retry report-luns when reported LU count requres more memory
Update scsi_report_lun_scan to initially always report up to 511 LUs,
as the previous default max_report_luns did. Retry in a loop if not
enough memory is available for the number of LUs reported. Parameter
max_report_luns is removed as it is no longer used.
Signed-off-by: Rob Evers <revers@redhat.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Douglas Gilbert [Tue, 23 Dec 2014 16:29:08 +0000 (11:29 -0500)]
scsi: asc/ascq codes, sync to T10 2014/12/21
The last time these SCSI asc/ascq codes were synced with T10 was
2013/06/05. Sync the SCSI ASC/ASCQ number to string tables with those
found at http://www.t10.org/lists/asc-num.txt dated 2014/12/21.
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Christoph Hellwig <hch@lst.de>
The blk-mq ->queue_rq method is always called from process context,
but might have preemption disabled. This means we still always
have to use GFP_ATOMIC for memory allocations, and thus need to
revert part of commit 3c356bde1 ("scsi: stop passing a gfp_mask
argument down the command setup path").
Signed-off-by: Christoph Hellwig <hch@lst.de> Reported-by: Sasha Levin <sasha.levin@oracle.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Tested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Bruno Prémont [Fri, 19 Dec 2014 09:29:16 +0000 (10:29 +0100)]
qla2xxx: fix busy wait regression
Commit e05fe29248 (qla2xxx: Honor FCP_RSP retry delay timer field.)
causes systems to busy-wait for about 3 minutes after boot prior to
detecting SAN disks.
During this wait period one kworker is running full-time
(though /proc/<pid>/stack has no useful data). Another kworker is
waiting for IO to complete during that whole time period.
Looking at drivers/scsi/qla2xxx/qla_os.c, fcport->retry_delay_timestamp
has a special value of 0 though that 0 value forces system to wait when
jiffies is very large value (e.g. 4294952605 - "negative" value when
signed on 32bit systems).
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org> Acked-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
Linus Torvalds [Sun, 4 Jan 2015 19:46:43 +0000 (11:46 -0800)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML fixes from Richard Weinberger:
"Two fixes for UML regressions. Nothing exciting"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
x86, um: actually mark system call tables readonly
um: Skip futex_atomic_cmpxchg_inatomic() test
Pavel Machek [Sun, 4 Jan 2015 19:01:23 +0000 (20:01 +0100)]
Revert "ARM: 7830/1: delay: don't bother reporting bogomips in /proc/cpuinfo"
Commit 9fc2105aeaaf ("ARM: 7830/1: delay: don't bother reporting
bogomips in /proc/cpuinfo") breaks audio in python, and probably
elsewhere, with message
Daniel Borkmann [Sat, 3 Jan 2015 12:11:10 +0000 (13:11 +0100)]
x86, um: actually mark system call tables readonly
Commit a074335a370e ("x86, um: Mark system call tables readonly") was
supposed to mark the sys_call_table in UML as RO by adding the const,
but it doesn't have the desired effect as it's nevertheless being placed
into the data section since __cacheline_aligned enforces sys_call_table
being placed into .data..cacheline_aligned instead. We need to use
the ____cacheline_aligned version instead to fix this issue.
Before:
$ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table"
U sys_writev 0000000000000000 D sys_call_table 0000000000000000 D syscall_table_size
After:
$ nm -v arch/x86/um/sys_call_table_64.o | grep -1 "sys_call_table"
U sys_writev 0000000000000000 R sys_call_table 0000000000000000 D syscall_table_size
Fixes: a074335a370e ("x86, um: Mark system call tables readonly") Cc: H. Peter Anvin <hpa@zytor.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Richard Weinberger <richard@nod.at>
futex_atomic_cmpxchg_inatomic() does not work on UML because
it triggers a copy_from_user() in kernel context.
On UML copy_from_user() can only be used if the kernel was called
by a real user space process such that UML can use ptrace()
to fetch the value.
Reported-by: Miklos Szeredi <miklos@szeredi.hu> Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Richard Weinberger <richard@nod.at> Tested-by: Daniel Walter <d.walter@0x90.at>
Linus Torvalds [Fri, 2 Jan 2015 21:24:41 +0000 (13:24 -0800)]
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of three fixes: one to correct an abort path thinko
causing failures (and a panic) in USB on device misbehaviour, One to
fix an out of order issue in the fnic driver and one to match discard
expectations to qemu which otherwise cause Linux to behave badly as a
guest"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
SCSI: fix regression in scsi_send_eh_cmnd()
fnic: IOMMU Fault occurs when IO and abort IO is out of order
sd: tweak discard heuristics to work around QEMU SCSI issue
Linus Torvalds [Fri, 2 Jan 2015 20:57:20 +0000 (12:57 -0800)]
Merge tag 'sound-3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Nothing too exciting as a new year's start here: most of fixes are for
ASoC, a boot crash fix on OMAP for deferred probe, a few driver
specific fixes (Intel, dwc, rockchip, rt5677), in addition to typo
fixes in kerneldoc comments for PCM"
* tag 'sound-3.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: pcm: Fix kerneldoc for params_*() functions
ASoC: rockchip: i2s: fix maxburst of dma data to 4
ASoC: rockchip: i2s: fix error defination of transmit data level
ASoC: Intel: correct the fixed free block allocation
ASoC: rt5677: fixed rt5677_dsp_vad_put rt5677_dsp_vad_get panic
ASoC: Intel: Fix BYTCR machine driver MODULE_ALIAS
ASoC: Intel: Fix BYTCR firmware name
ASoC: dwc: Iterate over all channels
ASoC: dwc: Ensure FIFOs are flushed to prevent channel swap
ASoC: Intel: Add I2C dependency to two new machines
ASoC: dapm: Remove snd_soc_of_parse_audio_routing() due to deferred probe
Linus Torvalds [Fri, 2 Jan 2015 20:07:50 +0000 (12:07 -0800)]
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull vhost cleanup and virtio bugfix
"There's a single change here, fixing a vhost bug where vhost
initialization fails due to used ring alignment check being too
strict"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: relax used address alignment
virtio_ring: document alignment requirements
Linus Torvalds [Wed, 31 Dec 2014 22:52:18 +0000 (14:52 -0800)]
Merge branch 'upstream' of git://git.infradead.org/users/pcmoore/audit
Pull audit fix from Paul Moore:
"One audit patch to resolve a panic/oops when recording filenames in
the audit log, see the mail archive link below.
The fix isn't as nice as I would like, as it involves an allocate/copy
of the filename, but it solves the problem and the overhead should
only affect users who have configured audit rules involving file
names.
We'll revisit this issue with future kernels in an attempt to make
this suck less, but in the meantime I think this fix should go into
the next release of v3.19-rcX.
Tobias Klauser [Wed, 31 Dec 2014 02:53:11 +0000 (10:53 +0800)]
nios2: Use preempt_schedule_irq
Follow aa0d53260596 ("ia64: Use preempt_schedule_irq") and use
preempt_schedule_irq instead of enabling/disabling interrupts and
messing around with PREEMPT_ACTIVE in the nios2 low-level preemption
code ourselves. Also get rid of the now needless re-check for
TIF_NEED_RESCHED, preempt_schedule_irq will already take care of
rescheduling.
This also fixes the following build error when building with
CONFIG_PREEMPT:
arch/nios2/kernel/built-in.o: In function `need_resched':
arch/nios2/kernel/entry.S:374: undefined reference to `PREEMPT_ACTIVE'
Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Ley Foon Tan <lftan@altera.com>
Linus Torvalds [Wed, 31 Dec 2014 01:13:13 +0000 (17:13 -0800)]
Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"A very small set of fixes for 3.19, as everyone was out.
The clocksource patch was something I missed for the merge window
after the change that broke arm64 was merged through arm-soc. The
other two patches are a fix for an undetected merge problem in mvebu
and a defconfig change to make some exynos boards work with the normal
multi_v7_defconfig"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
Add USB_EHCI_EXYNOS to multi_v7_defconfig
ARM: mvebu: Fix pinctrl configuration for Armada 370 DB
clocksource: arch_timer: Only use the virtual counter (CNTVCT) on arm64
Linus Torvalds [Wed, 31 Dec 2014 01:04:56 +0000 (17:04 -0800)]
Merge tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- Fix regression with Nokia N900 display
- Fix crash on fbdev using freed __initdata logos
- Fix fb_deferred_io_fsync() return value.
* tag 'fbdev-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
OMAPDSS: SDI: fix output port_num
video/fbdev: fix defio's fsync
video/logo: prevent use of logos after they have been freed
OMAPDSS: pll: NULL dereference in error handling
OMAPDSS: HDMI: remove double initializer entries
projects / linux-beck.git / log