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We need to release the firmware on driver tear down.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1,should use late_fini to kfree all resource otherwise
the released pointer maybe accessed in IRQ ip fini routine.
2,hwmgr should not be kfree by pem_fini which is invoked
by hw fini path.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This implements late_init support for powerplay.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This give IP modules an optional late cleanup
function. This is needed to handle tricky inter-module
dependencies during tear down.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Exclude AVFS related fields when update powertune table to hw.
The driver shouldn't set them directly.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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fix the raster config setting for different iceland configs.
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This pull request brings in vblank/pageflip fixes I had hoped to see
merged before 4.7rc1, plus two new fixes that have come in since then.
* tag 'drm-vc4-fixes-2016-06-06' of github.com:anholt/linux:
drm/vc4: Make pageflip completion handling more robust.
drm/vc4: Fix ioctl permissions for render nodes.
drm/vc4: Return -EBUSY if there's already a pending flip event.
drm/vc4: Fix drm_vblank_put/get imbalance in page flip path.
drm/vc4: Fix get_vblank_counter with proper no-op for Linux 4.4+
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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes for two issues reported by KASAN, a display engine hang due to
incorrect BIOS table parsing, and incorrect LTC interrupt handling on
Maxwell which could lead to a never-ending interrupt storm.
* 'linux-4.7' of git://github.com/skeggsb/linux:
drm/nouveau/disp/sor/gm107: training pattern registers are like gm200
drm/nouveau/disp/sor/gf119: both links use the same training register
drm/nouveau/core: swap the order of imem/fb
drm/nouveau/fbcon: fix out-of-bounds memory accesses
drm/nouveau/gr/gf100-: update sm error decoding from gk20a nvgpu headers
drm/nouveau/ltc/gm107-: fix typo in the address of NV_PLTCG_LTC0_LTS0_INTR
drm/nouveau/bios/disp: fix handling of "match any protocol" entries
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Using flat regmap cache instead of RB-tree to avoid the following
lockdep warning on driver load:
WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:2755 lockdep_trace_alloc+0x15c/0x160()
DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))
The RB-tree regmap cache needs to allocate new space on first
writes. However, allocations in an atomic context (e.g. when a
spinlock is held) are not allowed. The function regmap_write
calls map->lock, which acquires a spinlock in the fast_io case.
Since the FSL DCU driver uses MMIO, the regmap bus of type
regmap_mmio is being used which has fast_io set to true.
Use flat regmap cache and specify max register to be large
enouth to cover all registers available in LS1021a and Vybrids
register space.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Cc: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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7000-series SFC NICs connected with an SFP+ module currently fail to
report any supported link speeds.
Reported-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Reviewed-by: Jarod Wilson <jarod@redhat.com>
Tested-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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objtool reports the following warnings:
drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_send_msg()+0x107: duplicate frame pointer save
drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_host_get_guestinfo()+0x252: duplicate frame pointer save
To quote Linus:
"The reason is that VMW_PORT_HB_OUT() uses a magic instruction sequence
(a "rep outsb") to communicate with the hypervisor (it's a virtual GPU
driver for vmware), and %rbp is part of the communication. So the
inline asm does a save-and-restore of the frame pointer around the
instruction sequence.
I actually find the objtool warning to be quite reasonable, so it's
not exactly a false positive, since in this case it actually does
point out that the frame pointer won't be reliable over that
instruction sequence.
But in this particular case it just ends up being the wrong thing -
the code is what it is, and %rbp just can't have the frame information
due to annoying magic calling conventions."
Silence the warnings by telling objtool to ignore the two functions
which use the VMW_PORT_HB_{IN,OUT} macros.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: DRI <dri-devel@lists.freedesktop.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160526184343.fdtjjjg67smmeekt@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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When turbo is disabled, the ->set_policy() interface is broken.
For example, when turbo is disabled and cpuinfo.max = 2900000 (full
max turbo frequency), setting the limits results in frequency less
than the requested one:
Set 1000000 KHz results in 0700000 KHz
Set 1500000 KHz results in 1100000 KHz
Set 2000000 KHz results in 1500000 KHz
This is because the limits->max_perf fraction is calculated using
the max turbo frequency as the reference, but when the max P-State is
capped in intel_pstate_get_min_max(), the reference is not the max
turbo P-State. This results in reducing max P-State.
One option is to always use max turbo as reference for calculating
limits. But this will not be correct. By definition the intel_pstate
sysfs limits, shows percentage of available performance. So when
BIOS has disabled turbo, the available performance is max non turbo.
So the max_perf_pct should still show 100%.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw : Subject & changelog, rewrite in fewer lines of code ]
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The limits->max_perf is rounded_up but immediately overwritten by
another assignment to limits->max_perf.
Move that operation to the correct location.
While here also added a pr_debug() call in ->set_policy to aid in
debugging.
Fixes: 785ee2788141 (cpufreq: intel_pstate: Fix limits->max_perf rounding error)
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw : Subject & changelog ]
Cc: 4.4+ <stable@vger.kernel.org> # 4.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"This finally removes the CLK_IS_ROOT flag by picking up the last few
stragglers that didn't get merged by anyone this time around.
Better to do it now than wait for another one to pop up. There's also
a minor maintainers update and a Kconfig fix"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: nxp: Select MFD_SYSCON for creg driver
MAINTAINERS: Add file patterns for clock device tree bindings
clk: Remove CLK_IS_ROOT flag
clk: microchip: Remove CLK_IS_ROOT
powerpc/512x: clk: Remove CLK_IS_ROOT
vexpress/spc: Remove CLK_IS_ROOT
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trivial fix to spelling mistakes and add missing newline in pr_err
messages
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since both CTAG and STAG rx acceleration must be enabled together, we
only need to check one feature flag (NETIF_F_HW_VLAN_CTAG_RX) before
calling __vlan_hwaccel_put_tag().
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hardware can only be set to strip or not strip both the VLAN CTAG and
STAG. It cannot strip one and not strip the other. Add logic to
bnxt_fix_features() to toggle both feature flags when the user is toggling
one of them.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set the is_push flag in the software BD before the tx data is pushed to
the chip. It is possible to get the tx interrupt as soon as the tx data
is pushed. The tx handler will not handle the event properly if the
is_push flag is not set and it will crash.
Signed-off-by: Michael Chan <michael.chan@broadocm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ipoib_neigh_get unconditionally updates the "alive" variable member on
any packet send. This prevents the neighbor garbage collection from
cleaning out a dead neighbor entry if we are still queueing packets
for it. If the queue for this neighbor is full, then don't update the
alive timestamp. That way the neighbor can time out even if packets
are still being queued as long as none of them are being sent.
Fixes: b63b70d87741 ("IPoIB: Use a private hash table for path lookup in xmit path")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Userspace flag IBV_QP_ALT_PATH is supposed to set the alternate path
including fields alt_pkey_index and alt_timeout.
Added IB_QP_PKEY_INDEX and IB_QP_TIMEOUT to the attribute mask when
calling mlx5_set_path for the alternate path to force setting the
alt_pkey_index and alt_timeout values.
Fixes: bf24481a3a7c4 ('IB/mlx5: Consider alternate path in pkey ...')
Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Pkey index fields in the QP context path record are extended to 16
bits, as required by IB spec (version 1.3).
This change affects all QP commands which include path records.
To enable this change, moved the free adaptive routing flag bit
(free_ar) to the most significant byte of the QP path record.
Fixes: e126ba97dba9e ('mlx5: Add driver for Mellanox Connect-IB ...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Verify that number of entries is less than device capability.
Add an appropriate warning message for error flow.
Fixes: bde51583f49b ('IB/mlx5: Add support for resize CQ')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Number of entries shouldn't be greater than the device's max
capability. This should be checked before rounding the entries number
to power of two.
Fixes: 51ee86a4af639 ('IB/mlx5: Fix check of number of entries...')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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BlueFlame support is reported only for PFs when the HCA capability is
on.
Fixes: 938fe83c8dcbb ('net/mlx5_core: New device capabilities...')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Some variables were not initialized properly: max_recv_wr,
max_recv_sge, max_send_wr, qp_context and max_inline_data.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When PAGE_SIZE is larger than 4K, the user shouldn't be able to query
the HCA core clock. This counter is within 4KB boundary and the
user-space shall not read information that's after this boundary.
Fixes: b368d7cb8ceb7 ('IB/mlx5: Add hca_core_clock_offset to...')
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add a 4-digit padding to show FW version in proper format.
Fixes: 9603b61de1eee ('mlx5: Move pci device handling from...')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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FW port-change events are fired on Active <-> non Active port state
transitions only.
When the port state changes from Active to Initializing (Active ->
Down -> Initializing), a single event is fired.
The HCA transitions from Down to Initializing unless prevented from
doing so, hence the driver should also propagate events when the port
state is Initializing to consumers so they'll be aware that the port
is no longer Active and act accordingly.
Fixes: e126ba97dba9e ('mlx5: Add driver for Mellanox Connect-IB...')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Flow steering is supported by mlx5 device when the following
features are supported by firmware:
1. NIC RX flow table.
2. Device has enough flow steering levels.
3. Atomic modification of flow table entry.
4. Flow tables chaining.
To check if flow steering is supported it's enough to check
if the driver opened the mlx5 bypass namespace.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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For dynamically allocated sysfs attributes there is a need to call
sysfs_attr_init in order to comply with lockdep, not calling it
will result in error complaining key is not in .data section.
Fixes: b40f4757daa1 ("IB/core: Make device counter infrastructure dynamic")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Align locking usage when touching device address with rest
of the kernel. Lock the bottom half when doing so using
netif_addr_lock_bh.
This also solves the following case as reported by lockdep:
CPU0 CPU1
---- ----
lock(_xmit_INFINIBAND);
local_irq_disable();
lock(&(&mc->mca_lock)->rlock);
lock(_xmit_INFINIBAND);
<Interrupt>
lock(&(&mc->mca_lock)->rlock);
*** DEADLOCK ***
Fixes: 492a7e67ff83 ("IB/IPoIB: Allow setting the device address")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When deleting a default GID from the cache, its gid_type field is set
to 0.
This could set the gid_type to RoCE v1 for a RoCE v2 default GID,
essentially making it inaccessible to future modifications, since it
is no longer found by find_gid().
This fix preserves the gid_type value for default gids during cache
operations.
Fixes: b39ffa1df505 ('IB/core: Add gid_type to gid attribute')
Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In ipoib_remove_one the driver holds the rtnl_lock and tries to do some
operation like dev_change_flags or unregister_netdev, while sysfs
callback like ipoib_vlan_delete holds sysfs mutex and tries to hold the
rtnl_lock via rtnl_trylock() and restart_syscall() if the lock is not
free, meanwhile ipoib_remove_one tries to get the sysfs lock in order to
free its sysfs directory, and we will get a->b, b->a deadlock.
Trace like the following:
schedule+0x37/0x80
schedule_preempt_disabled+0xe/0x10
__mutex_lock_slowpath+0xb5/0x120
mutex_lock+0x23/0x40
rtnl_lock+0x15/0x20
netdev_run_todo+0x17c/0x320
rtnl_unlock+0xe/0x10
ipoib_vlan_delete+0x11b/0x1b0 [ib_ipoib]
delete_child+0x54/0x80 [ib_ipoib]
dev_attr_store+0x18/0x30
sysfs_kf_write+0x37/0x40
mutex_lock+0x16/0x40
SyS_write+0x55/0xc0
entry_SYSCALL_64_fastpath+0x16/0x75
And
schedule+0x37/0x80
__kernfs_remove+0x1a8/0x260
? wake_atomic_t_function+0x60/0x60
kernfs_remove+0x25/0x40
sysfs_remove_dir+0x50/0x80
kobject_del+0x18/0x50
device_del+0x19f/0x260
netdev_unregister_kobject+0x6a/0x80
rollback_registered_many+0x1fd/0x340
rollback_registered+0x3c/0x70
unregister_netdevice_queue+0x55/0xc0
unregister_netdev+0x20/0x30
ipoib_remove_one+0x114/0x1b0 [ib_ipoib]
ib_unregister_client+0x4a/0x170 [ib_core]
? find_module_all+0x71/0xa0
ipoib_cleanup_module+0x10/0x94 [ib_ipoib]
SyS_delete_module+0x1b5/0x210
entry_SYSCALL_64_fastpath+0x16/0x75
The fix is by checking the flag IPOIB_FLAG_INTF_ON_DESTROY in order to
get out from the sysfs function.
Fixes: 862096a8bbf8 ("IB/ipoib: Add more rtnl_link_ops callbacks")
Fixes: 9baa0b036410 ("IB/ipoib: Add rtnl_link_ops support")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Currently ib_query_port always attempts to to read the subnet prefix by
calling ib_query_gid(). For RoCE/iWARP there is no subnet manager and no
subnet prefix. Fix this by querying GID[0] only for IB networks.
Fixes: fad61ad4e755 ('IB/core: Add subnet prefix to port info')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Between the initial and final versions of the function setup_hw_stats,
the order of variable initialization was changed. However, the unwind
flow on error did not properly keep up with the flow changes. Make
the unwind flow match a proper unwind of the allocation flow, then
remove no longer needed variable initializations.
Fixes: b40f4757daa1 (IB/core: Make device counter infrastructure
dynamic)
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The new sysfs hw_counters code had an off by one in its array allocation
length. Fix that and the comment along with it.
Reported-by: Mark Bloch <markb@mellanox.com>
Fixes: b40f4757daa1 (IB/core: Make device counter infrastructure
dynamic)
Signed-off-by: Doug Ledford <dledford@redhat.com>
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According to the Windows probing result, during the table loading, the EC
device described in the ECDT should be used. And the ECDT EC is also
effective during the period the namespace objects are initialized (we can
see a separate process executing _STA/_INI on Windows before executing
other device specific control methods, for example, EC._REG). During the
device enumration, the EC device described in the DSDT should be used. But
there are differences between Linux and Windows around the device probing
order. Thus in Linux, we should enable the DSDT EC as early as possible
before enumerating devices in order not to trigger issues related to the
device enumeration order differences.
This patch thus converts acpi_boot_ec_enable() into acpi_ec_dsdt_probe() to
fix the gap. This also fixes a user reported regression triggered after we
switched the "table loading"/"ECDT support" to be ACPI spec 2.0 compliant.
Fixes: 59f0aa9480cf (ACPI 2.0 / ECDT: Remove early namespace reference from EC)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=119261
Reported-and-tested-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Avoid that sparse reports the following warnings for the hfi1 driver:
trace.c:217:13: warning: no previous prototype for ‘print_u64_array’ [-Wmissing-prototypes]
user_sdma.c:1361:17: warning: dubious: !x & y
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The first argument of test_bit() and clear_bit() is a bit number and
not a bitmask. Hence change that first argument from (1 << 0) into 0.
This patch avoids that smatch reports the following warnings:
user_sdma.c:1059: sdma_cache_evict() warn: test_bit() takes a bit number
user_sdma.c:1590: sdma_rb_remove() warn: test_bit() takes a bit number
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Make the indentation of the source code consistent. Detected by
smatch.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This patch avoids that sparse reports the following warning:
rdmavt/qp.c:507:17: warning: context imbalance in 'rvt_reset_qp' - unexpected unlock
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Make indentation consistent. Detected by smatch.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hal Rosenstock <hal@mellanox.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Reviewed-By: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Make indentation consistent. Detected by smatch.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Cc: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Sagi Grimberg <sagi@gimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Because patch "IB/srp: Move common code into the caller" was applied
partially srp_map_sg_dma() doesn't work properly. Fix this by
applying the remainder of that patch. See also
http://thread.gmane.org/gmane.linux.drivers.rdma/35803/focus=35811.
Fixes: 3849e44d1c4b ("IB/srp: Move common code into the caller")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Sagi Grimberg <sai@grimberg.me>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Avoid that mapping fails due to use_fast_reg != 0 or use_fmr != 0
if both member variables should be zero (if never_register == 1 or
if neither FMR nor FR is supported). Remove an initialization that
became superfluous due to changing a kmalloc() into a kzalloc()
call.
Fixes: 509c5f33f4f6 ("IB/srp: Prevent mapping failures")
Cc: Sagi Grimberg <sai@grimberg.m>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Perform the test for device managed flow steering support even if
memory windows are not supported. I noticed this because smatch
reported inconsistent indentation for the device managed flow
steering support test.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Cc: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The DMA attributes are set but never used.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The current error handling in setup_hw_stats has a couple of issues.
It is possible to generate a null pointer deference on the
kfree of hsag->attrs[i] because two of the early error exit paths
jump to the kfree when hsags NULL and not allocated. Fix this by
moving the kfree on stats and jumping to that, avoiding the hsag
freeing.
Secondly, there is a memory leak of stats if the hsag allocation
fails; instead of returning, jump to the kfree on stats.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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