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This includes code for new fifo-based xps_hwicap in addition to the
older opb_hwicap, which has a significantly different interface. The
common code between the two drivers is largely shared.
Significant differences exists between this driver and what is
supported in the EDK drivers. In particular, most of the
architecture-specific code for reconfiguring individual FPGA resources
has been removed. This functionality is likely better provided in a
user-space support library. In addition, read and write access is
supported. In addition, although the xps_hwicap cores support
interrupt-driver mode, this driver only supports polled operation, in
order to make the code simpler, and since the interrupt processing
overhead is likely to slow down the throughput under Linux.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Probing of the console at console_initcall time is broken. It tries to
call memory allocation routines which aren't initialized yet.
Problem solved by removing the early probe entirely. The console init
is called again anyway after the uartlite device is initialized and the
memory allocation routines can be called safely.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
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Mainly, this involves two changes:
1) xilinx->xlnx (recognized standard is to use the stock ticker)
2) In order to have the device tree focus on describing what the
hardware is as exactly as possible, the compatible strings contain the
full IP name and IP version.
Signed-off-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Fix compile errors in the xilinxfb, xsysace and uartlite drivers used
by the Xilinx Virtex platform
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
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This patch adds support for setting up a fixed IOMMU mapping on certain
cell machines. For 64-bit devices this avoids the performance overhead of
mapping and unmapping pages at runtime. 32-bit devices are unable to use
the fixed mapping.
The fixed mapping is established at boot, and maps all of physical memory
1:1 into device space at some offset. On machines with < 30 GB of memory
we setup the fixed mapping immediately above the normal IOMMU window.
For example a machine with 4GB of memory would end up with the normal
IOMMU window from 0-2GB and the fixed mapping window from 2GB to 6GB. In
this case a 64-bit device wishing to DMA to 1GB would be told to DMA to
3GB, plus any offset required by firmware. The firmware offset is encoded
in the "dma-ranges" property.
On machines with 30GB or more of memory, we are unable to place the fixed
mapping above the normal IOMMU window as we would run out of address space.
Instead we move the normal IOMMU window to coincide with the hash page
table, this region does not need to be part of the fixed mapping as no
device should ever be DMA'ing to it. We then setup the fixed mapping
from 0 to 32GB.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Split out the ioid fetching and checking logic so we can use it elsewhere
in a subsequent patch.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Add support to cell_iommu_setup_page_tables() for handling two windows,
the dynamic window and the fixed window. A fixed window size of 0
indicates that there is no fixed window at all.
Currently there are no callers who pass a non-zero fixed window, but the
upcoming fixed IOMMU mapping patch will change that.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Split the IOMMU logic out from cell_dma_dev_setup() into a separate
function. If we're not using dma_direct_ops or dma_iommu_ops we don't
know what the hell's going on, so BUG.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Split cell_iommu_setup_hardware() into two parts. Split the page table
setup into cell_iommu_setup_page_tables() and the bits that kick the
hardware into cell_iommu_enable_hardware().
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Split out the logic that allocates a struct iommu into a separate
function. This can fail however the calling code has never cared - so
just return if we can't allocate an iommu.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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In order to support the fixed IOMMU mapping (in a subsequent patch),
we need the hash table to be inside the IOMMUs DMA window. This is
usually 2G, but let's make sure the hash table is under 1G as that
will satisfy the IOMMU requirements and also means the hash table will
be on node 0.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog:
[WATCHDOG] use SGI_HAS_INDYDOG for INDYDOG depends
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (27 commits)
lguest: use __PAGE_KERNEL instead of _PAGE_KERNEL
lguest: Use explicit includes rateher than indirect
lguest: get rid of lg variable assignments
lguest: change gpte_addr header
lguest: move changed bitmap to lg_cpu
lguest: move last_pages to lg_cpu
lguest: change last_guest to last_cpu
lguest: change spte_addr header
lguest: per-vcpu lguest pgdir management
lguest: make pending notifications per-vcpu
lguest: makes special fields be per-vcpu
lguest: per-vcpu lguest task management
lguest: replace lguest_arch with lg_cpu_arch.
lguest: make registers per-vcpu
lguest: make emulate_insn receive a vcpu struct.
lguest: map_switcher_in_guest() per-vcpu
lguest: per-vcpu interrupt processing.
lguest: per-vcpu lguest timers
lguest: make hypercalls use the vcpu struct
lguest: make write() operation smp aware
...
Manual conflict resolved (maybe even correctly, who knows) in
drivers/lguest/x86/core.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6:
security: compile capabilities by default
selinux: make selinux_set_mnt_opts() static
SELinux: Add warning messages on network denial due to error
SELinux: Add network ingress and egress control permission checks
NetLabel: Add auditing to the static labeling mechanism
NetLabel: Introduce static network labels for unlabeled connections
SELinux: Allow NetLabel to directly cache SIDs
SELinux: Enable dynamic enable/disable of the network access checks
SELinux: Better integration between peer labeling subsystems
SELinux: Add a new peer class and permissions to the Flask definitions
SELinux: Add a capabilities bitmap to SELinux policy version 22
SELinux: Add a network node caching mechanism similar to the sel_netif_*() functions
SELinux: Only store the network interface's ifindex
SELinux: Convert the netif code to use ifindex values
NetLabel: Add IP address family information to the netlbl_skbuff_getattr() function
NetLabel: Add secid token support to the NetLabel secattr struct
NetLabel: Consolidate the LSM domain mapping/hashing locks
NetLabel: Cleanup the LSM domain hash functions
NetLabel: Remove unneeded RCU read locks
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6:
PPC: Fix powerpc vio_find_name to not use devices_subsys
Driver core: add bus_find_device_by_name function
Module: check to see if we have a built in module with the same name
x86: fix runtime error in arch/x86/kernel/cpu/mcheck/mce_amd_64.c
Driver core: Fix up build when CONFIG_BLOCK=N
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git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (249 commits)
KVM: Move apic timer migration away from critical section
KVM: Put kvm_para.h include outside __KERNEL__
KVM: Fix unbounded preemption latency
KVM: Initialize the mmu caches only after verifying cpu support
KVM: MMU: Fix dirty page setting for pages removed from rmap
KVM: Portability: Move kvm_fpu to asm-x86/kvm.h
KVM: x86 emulator: Only allow VMCALL/VMMCALL trapped by #UD
KVM: MMU: Merge shadow level check in FNAME(fetch)
KVM: MMU: Move kvm_free_some_pages() into critical section
KVM: MMU: Switch to mmu spinlock
KVM: MMU: Avoid calling gfn_to_page() in mmu_set_spte()
KVM: Add kvm_read_guest_atomic()
KVM: MMU: Concurrent guest walkers
KVM: Disable vapic support on Intel machines with FlexPriority
KVM: Accelerated apic support
KVM: local APIC TPR access reporting facility
KVM: Print data for unimplemented wrmsr
KVM: MMU: Add cache miss statistic
KVM: MMU: Coalesce remote tlb flushes
KVM: Expose ioapic to ia64 save/restore APIs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: (21 commits)
dlm: static initialization improvements
dlm: clean ups
dlm: Sanity check namelen before copying it
dlm: keep cached master rsbs during recovery
dlm: change error message to debug
dlm: fix possible use-after-free
dlm: limit dir lookup loop
dlm: reject normal unlock when lock is waiting for lookup
dlm: validate messages before processing
dlm: reject messages from non-members
dlm: another call to confirm_master in receive_request_reply
dlm: recover locks waiting for overlap replies
dlm: clear ast_type when removing from astqueue
dlm: use fixed errno values in messages
dlm: swap bytes for rcom lock reply
dlm: align midcomms message buffer
dlm: close othercons
dlm: use dlm prefix on alloc and free functions
dlm: don't print common non-errors
dlm: proper prototypes
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (21 commits)
[SCSI] Revert "[SCSI] aacraid: fib context lock for management ioctls"
[SCSI] bsg: copy the cmd_type field to the subordinate request for bidi
[SCSI] handle scsi_init_queue failure properly
[SCSI] destroy scsi_bidi_sdb_cache in scsi_exit_queue
[SCSI] scsi_debug: add XDWRITEREAD_10 support
[SCSI] scsi_debug: add bidi data transfer support
[SCSI] scsi_debug: add get_data_transfer_info helper function
[SCSI] remove use_sg_chaining
[SCSI] bidirectional: fix up for the new blk_end_request code
[SCSI] bidirectional command support
[SCSI] implement scsi_data_buffer
[SCSI] tgt: use scsi_init_io instead of scsi_alloc_sgtable
[SCSI] aic7xxx: fix warnings with CONFIG_PM disabled
[SCSI] aic79xx: fix warnings with CONFIG_PM disabled
[SCSI] aic7xxx: fix ahc_done check SCB_ACTIVE for tagged transactions
[SCSI] sgiwd93: use cached memory access to make driver work on IP28
[SCSI] zfcp: fix sense_buffer access bug
[SCSI] ncr53c8xx: fix sense_buffer access bug
[SCSI] aic79xx: fix sense_buffer access bug
[SCSI] hptiop: fix sense_buffer access bug
...
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Fix docbook fatal error:
docproc: linux-2.6.24-git8/block/ll_rw_blk.c: No such file or directory
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix kernel-doc empty line warning:
Warning(linux-2.6.24-git8//drivers/base/class.c:866): bad line:
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This reverts commit a119ee8ee3045bf559d4cf02d72b112f3de2a15b.
Adaptec found this was causing system lockups.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This fixes a problem in SCSI where we use the (previously
uninitialised) cmd_type via blk_pc_request() to set up the transfer in
scsi_init_sgtable().
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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scsi_init_queue is expected to clean up allocated things when it
fails.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Needs to call kmem_cache_destroy for scsi_bidi_sdb_cache in
scsi_exit_queue.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This enables fill_from_dev_buffer and fetch_to_dev_buffer to handle
bidi commands.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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This adds get_data_transfer_info helper function that get lha and
sectors for READ_* and WRITE_* commands (and XDWRITEREAD_10 later).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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With the sg table code, every SCSI driver is now either chain capable
or broken (or has sg_tablesize set so chaining is never activated), so
there's no need to have a check in the host template.
Also tidy up the code by moving the scatterlist size defines into the
SCSI includes and permit the last entry of the scatterlist pools not
to be a power of two.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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At the block level bidi request uses req->next_rq pointer for a second
bidi_read request.
At Scsi-midlayer a second scsi_data_buffer structure is used for the
bidi_read part. This bidi scsi_data_buffer is put on
request->next_rq->special. Struct scsi_cmnd is not changed.
- Define scsi_bidi_cmnd() to return true if it is a bidi request and a
second sgtable was allocated.
- Define scsi_in()/scsi_out() to return the in or out scsi_data_buffer
from this command This API is to isolate users from the mechanics of
bidi.
- Define scsi_end_bidi_request() to do what scsi_end_request() does but
for a bidi request. This is necessary because bidi commands are a bit
tricky here. (See comments in body)
- scsi_release_buffers() will also release the bidi_read scsi_data_buffer
- scsi_io_completion() on bidi commands will now call
scsi_end_bidi_request() and return.
- The previous work done in scsi_init_io() is now done in a new
scsi_init_sgtable() (which is 99% identical to old scsi_init_io())
The new scsi_init_io() will call the above twice if needed also for
the bidi_read command. Only at this point is a command bidi.
- In scsi_error.c at scsi_eh_prep/restore_cmnd() make sure bidi-lld is not
confused by a get-sense command that looks like bidi. This is done
by puting NULL at request->next_rq, and restoring.
[jejb: update to sg_table and resolve conflicts
also update to blk-end-request and resolve conflicts]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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In preparation for bidi we abstract all IO members of scsi_cmnd,
that will need to duplicate, into a substructure.
- Group all IO members of scsi_cmnd into a scsi_data_buffer
structure.
- Adjust accessors to new members.
- scsi_{alloc,free}_sgtable receive a scsi_data_buffer instead of
scsi_cmnd. And work on it.
- Adjust scsi_init_io() and scsi_release_buffers() for above
change.
- Fix other parts of scsi_lib/scsi.c to members migration. Use
accessors where appropriate.
- fix Documentation about scsi_cmnd in scsi_host.h
- scsi_error.c
* Changed needed members of struct scsi_eh_save.
* Careful considerations in scsi_eh_prep/restore_cmnd.
- sd.c and sr.c
* sd and sr would adjust IO size to align on device's block
size so code needs to change once we move to scsi_data_buff
implementation.
* Convert code to use scsi_for_each_sg
* Use data accessors where appropriate.
- tgt: convert libsrp to use scsi_data_buffer
- isd200: This driver still bangs on scsi_cmnd IO members,
so need changing
[jejb: rebased on top of sg_table patches fixed up conflicts
and used the synergy to eliminate use_sg and sg_count]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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If we export scsi_init_io()/scsi_release_buffers() instead of
scsi_{alloc,free}_sgtable() from scsi_lib than tgt code is much more
insulated from scsi_lib changes. As a bonus it will also gain bidi
capability when it comes.
[jejb: rebase on to sg_table and fix up rejections]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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CC [M] drivers/scsi/aic7xxx/aic7xxx_osm_pci.o
drivers/scsi/aic7xxx/aic7xxx_osm_pci.c:148: warning: 'ahc_linux_pci_dev_suspend' defined but not used
drivers/scsi/aic7xxx/aic7xxx_osm_pci.c:166: warning: 'ahc_linux_pci_dev_resume' defined but not used
This moves aic7xxx_pci_driver struct, removes some forward declarations,
and adds some ifdef CONFIG_PM.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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CC [M] drivers/scsi/aic7xxx/aic79xx_osm_pci.o
drivers/scsi/aic7xxx/aic79xx_osm_pci.c:101: warning: 'ahd_linux_pci_dev_suspend' defined but not used
drivers/scsi/aic7xxx/aic79xx_osm_pci.c:121: warning: 'ahd_linux_pci_dev_resume' defined but not used
This moves aic79xx_pci_driver struct, removes some forward
declarations, and adds some ifdef CONFIG_PM.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The driver only needs to check the SCB_ACTIVE flag if the SCB is not
in the untagged queue.
If the driver is in error recovery, you may end panic'ing on a TUR
that is in the untagged queue.
Attempting to queue an ABORT message
CDB: 0x0 0x0 0x0 0x0 0x0 0x0
SCB 3 done'd twice
This patch is included in Adaptec's 6.3.11 driver on their website.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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SGI IP28 machines would need special treatment (enable adding addtional
wait states) when accessing memory uncached. To avoid this pain I
changed the driver to use only cached access to memory.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The commit de25deb18016f66dcdede165d07654559bb332bc changed
scsi_cmnd.sense_buffer from a static array to a dynamically allocated
buffer. We can't access to sense_buffer in '&cmd->sense_buffer' way.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The commit de25deb18016f66dcdede165d07654559bb332bc changed
scsi_cmnd.sense_buffer from a static array to a dynamically allocated
buffer. We can't access to sense_buffer in '&cmd->sense_buffer' way.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The commit de25deb18016f66dcdede165d07654559bb332bc changed
scsi_cmnd.sense_buffer from a static array to a dynamically allocated
buffer. We can't access to sense_buffer in '&cmd->sense_buffer' way.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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&cmnd->sense_buffer now zeroes the wrong thing.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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On a big powerpc box I got the following oops with 2.6.24-git2:
sym0: <1010-66> rev 0x1 at pci 0000:d0:01.0 irq 215
sym0: No NVRAM, ID 7, Fast-80, LVD, parity checking
sym0: SCSI BUS has been reset.
scsi0 : sym-2.2.3
target0:0:8: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 31)
scsi 0:0:8:0: Direct-Access IBM ST318305LC C509 PQ: 0
ANSI: 3
target0:0:8: tagged command queuing enabled, command queue depth 16.
target0:0:8: Beginning Domain Validation
target0:0:8: asynchronous
target0:0:8: wide asynchronous
target0:0:8: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 31)
target0:0:8: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 31)
Unable to handle kernel paging request for data at address 0x00000000
Faulting instruction address: 0xc000000000038460
cpu 0x25: Vector: 300 (Data Access) at [c00000000f567840]
pc: c000000000038460: .memcpy+0x60/0x280
lr: d000000000050280: .sym_set_cam_result_error+0xfc/0x1e0 [sym53c8xx]
sp: c00000000f567ac0
msr: 8000000000009032
dar: 0
dsisr: 42000000
current = 0xc000006d1e0af0a0
paca = 0xc0000000004afc00
pid = 0, comm = swapper
enter ? for help
[link register ] d000000000050280
.sym_set_cam_result_error+0xfc/0x1e0 [sym53c8xx]
[c00000000f567ac0] c00000000f567b80 (unreliable)
[c00000000f567b80] d0000000000552b8 .sym_complete_error+0x12c/0x1bc [sym53c8xx]
[c00000000f567c20] d0000000000561a4 .sym_int_sir+0xaa4/0x1718 [sym53c8xx]
[c00000000f567d00] d000000000057e8c .sym_interrupt+0x4e4/0x6ec [sym53c8xx]
[c00000000f567dc0] d00000000004fdf4 .sym53c8xx_intr+0x6c/0xdc [sym53c8xx]
[c00000000f567e50] c0000000000a83e0 .handle_IRQ_event+0x7c/0xec
[c00000000f567ef0] c0000000000aa344 .handle_fasteoi_irq+0x130/0x1f0
[c00000000f567f90] c00000000002a538 .call_handle_irq+0x1c/0x2c
[c000004d5e0b3a90] c00000000000c320 .do_IRQ+0x108/0x1d0
[c000004d5e0b3b20] c000000000004790 hardware_interrupt_entry+0x18/0x1c
The memset() in sym_set_cam_result_error() would appear to be trashing
the scsi_cmnd struct instead of clearing sense_buffer.
Signed-off-by: Nathan Lynch <ntl@pobox.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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also change name_prefix from char pointer to char array.
Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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A couple small clean-ups. Remove unnecessary wrapper-functions in
rcom.c, and remove unnecessary casting and an unnecessary ASSERT in
util.c.
Signed-off-by: David Teigland <teigland@redhat.com>
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The 32/64 compatibility code in the DLM does not check the validity of
the lock name length passed into it, so it can easily overwrite memory
if the value is rubbish (as early versions of libdlm can cause with
unlock calls, it doesn't zero the field).
This patch restricts the length of the name to the amount of data
actually passed into the call.
Signed-off-by: Patrick Caulfield <pcaulfie@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
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To prevent the master of an rsb from changing rapidly, an unused rsb is kept
on the "toss list" for a period of time to be reused. The toss list was
being cleared completely for each recovery, which is unnecessary. Much of
the benefit of the toss list can be maintained if nodes keep rsb's in their
toss list that they are the master of. These rsb's need to be included
when the resource directory is rebuilt during recovery.
Signed-off-by: David Teigland <teigland@redhat.com>
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The invalid lockspace messages are normal and can appear relatively
often. They should be suppressed without debugging enabled.
Signed-off-by: David Teigland <teigland@redhat.com>
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The dlm_put_lkb() can free the lkb and its associated ua structure,
so we can't depend on using the ua struct after the put.
Signed-off-by: David Teigland <teigland@redhat.com>
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