The extended address vector is the highest bit in be32 variable,
but it was compared with the lowest. This patch fixes the endianness
of that check and removes already declared define.
Fixes: 17d2f88f92 ("IB/mlx5: Add ODP atomics support")
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Uverbs device should be cleaned up only when there is no
potential usage of.
As part of ib_uverbs_remove_one which might be triggered upon reset flow
the device reference count is decreased as expected and leave the final
cleanup to the FDs that were opened.
Current code increases reference count upon opening a new command FD and
decreases it upon closing the file. The event FD is opened internally
and rely on the command FD by taking on it a reference count.
In case that the command FD was closed and just later the event FD we
may ensure that the device resources as of srcu are still alive as they
are still in use.
Fixing the above by moving the reference count decreasing to the place
where the command FD is really freed instead of doing that when it was
just closed.
fixes: 036b106357 ("IB/uverbs: Enable device removal when there are active user space applications")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
initialize to zero the response structure to prevent
the leakage of "resp.reserved" field.
drivers/infiniband/core/uverbs_cmd.c:1178 ib_uverbs_resize_cq() warn:
check that 'resp.reserved' doesn't leak information
Fixes: 33b9b3ee97 ("IB: Add userspace support for resizing CQs")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Currently while resolving IP address to MAC address single delayed work
is used for resolving multiple such resolve requests. This singled work
is essentially performs two tasks.
(a) any retry needed to resolve and
(b) it executes the callback function for all completed requests
While work is executing callbacks, any new work scheduled on for this
workqueue is lost because workqueue has completed looking at all pending
requests and now looking at callbacks, but work is still under
execution. Any further retry to look at pending requests in
process_req() after executing callbacks would lead to similar race
condition (may be reduce the probably further but doesn't eliminate it).
Retrying to enqueue work that from queue_req() context is not something
rest of the kernel modules have followed.
Therefore fix in this patch utilizes kernel facility to enqueue multiple
work items to a workqueue. This ensures that no such requests
gets lost in synchronization. Request list is still maintained so that
rdma_cancel_addr() can unlink the request and get the completion with
error sooner. Neighbour update event handling continues to be handled in
same way as before.
Additionally process_req() work entry cancels any pending work for a
request that gets completed while processing those requests.
Originally ib_addr was ST workqueue, but it became MT work queue with
patch of [1]. This patch again makes it similar to ST so that
neighbour update events handler work item doesn't race with
other work items.
In one such below trace, (though on 4.5 based kernel) it can be seen
that process_req() never executed the callback, which is likely for an
event that was schedule by queue_req() when previous callback was
getting executed by workqueue.
[<ffffffff816b0dde>] schedule+0x3e/0x90
[<ffffffff816b3c45>] schedule_timeout+0x1b5/0x210
[<ffffffff81618c37>] ? ip_route_output_flow+0x27/0x70
[<ffffffffa027f9c9>] ? addr_resolve+0x149/0x1b0 [ib_addr]
[<ffffffff816b228f>] wait_for_completion+0x10f/0x170
[<ffffffff810b6140>] ? try_to_wake_up+0x210/0x210
[<ffffffffa027f220>] ? rdma_copy_addr+0xa0/0xa0 [ib_addr]
[<ffffffffa0280120>] rdma_addr_find_l2_eth_by_grh+0x1d0/0x278 [ib_addr]
[<ffffffff81321297>] ? sub_alloc+0x77/0x1c0
[<ffffffffa02943b7>] ib_init_ah_from_wc+0x3a7/0x5a0 [ib_core]
[<ffffffffa0457aba>] cm_req_handler+0xea/0x580 [ib_cm]
[<ffffffff81015982>] ? __switch_to+0x212/0x5e0
[<ffffffffa04582fd>] cm_work_handler+0x6d/0x150 [ib_cm]
[<ffffffff810a14c1>] process_one_work+0x151/0x4b0
[<ffffffff810a1940>] worker_thread+0x120/0x480
[<ffffffff816b074b>] ? __schedule+0x30b/0x890
[<ffffffff810a1820>] ? process_one_work+0x4b0/0x4b0
[<ffffffff810a1820>] ? process_one_work+0x4b0/0x4b0
[<ffffffff810a6b1e>] kthread+0xce/0xf0
[<ffffffff810a6a50>] ? kthread_freezable_should_stop+0x70/0x70
[<ffffffff816b53a2>] ret_from_fork+0x42/0x70
[<ffffffff810a6a50>] ? kthread_freezable_should_stop+0x70/0x70
INFO: task kworker/u144:1:156520 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
kworker/u144:1 D ffff883ffe1d7600 0 156520 2 0x00000080
Workqueue: ib_addr process_req [ib_addr]
ffff883f446fbbd8 0000000000000046 ffff881f95280000 ffff881ff24de200
ffff883f66120000 ffff883f446f8008 ffff881f95280000 ffff883f6f9208c4
ffff883f6f9208c8 00000000ffffffff ffff883f446fbbf8 ffffffff816b0dde
[1] http://lkml.iu.edu/hypermail/linux/kernel/1608.1/05834.html
Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Inexplicably, commit f381bf6d82 ("MIPS: Add support for eBPF JIT.")
lost a file somewhere on its path to Linus' tree. Add back the
missing ebpf_jit.c so that we can build with CONFIG_BPF_JIT selected.
This version of ebpf_jit.c is identical to the original except for two
minor change need to resolve conflicts with changes merged from the
BPF branch:
A) Set prog->jited_len = image_size;
B) Use BPF_TAIL_CALL instead of BPF_CALL | BPF_X
Fixes: f381bf6d82 ("MIPS: Add support for eBPF JIT.")
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
net: sched: summer cleanup part 1, mainly in exts area
This patchset is one of the couple cleanup patchsets I have in queue.
The motivation aside the obvious need to "make things nicer" is also
to prepare for shared filter blocks introduction. That requires tp->q
removal, and therefore removal of all tp->q users.
Patch 1 is just some small thing I spotted on the way
Patch 2 removes one user of tp->q, namely tcf_em_tree_change
Patches 3-8 do preparations for exts->nr_actions removal
Patches 9-10 do simple renames of functions in cls*
Patches 11-19 remove unnecessary calls of tcf_exts_change helper
The last patch changes tcf_exts_change to don't take lock
Tested by tools/testing/selftests/tc-testing
v1->v2:
- removed conversion of action array to list as noted by Cong
- added the past patch instead
- small rebases of patches 11-19
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
tcf_exts_change is always called on newly created exts, which are not used
on fastpath. Therefore, simple struct copy is enough.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the n struct was allocated right before u32_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the f struct was allocated right before route4_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the fnew struct just was allocated, so no need to use tcf_exts_change
to do atomic change, and we can just fill-up the unused exts struct
directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the new struct just was allocated, so no need to use tcf_exts_change
to do atomic change, and we can just fill-up the unused exts struct
directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the prog struct was allocated right before cls_bpf_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the f struct was allocated right before basic_set_parms call, no need
to use tcf_exts_change to do atomic change, and we can just fill-up
the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the head struct was allocated right before mall_set_parms call,
no need to use tcf_exts_change to do atomic change, and we can just
fill-up the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the f struct was allocated right before fw_set_parms call, no need
to use tcf_exts_change to do atomic change, and we can just fill-up
the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the f struct was allocated right before fl_set_parms call, no need
to use tcf_exts_change to do atomic change, and we can just fill-up
the unused exts struct directly by tcf_exts_validate.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since the function name is misleading since it is not changing
anything, name it similarly to other cls.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The name cls_bpf_modify_existing is highly misleading, as it indeed does
not modify anything existing. It does not modify at all.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
For check in tcf_exts_dump use tcf_exts_has_actions helper instead
of exts->nr_actions for checking if there are any actions present.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Leave it to tcf_action_exec to return TC_ACT_OK in case there is no
action present.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These two helpers are doing the same as tcf_exts_has_actions, so remove
them and use tcf_exts_has_actions instead.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the tcf_exts_has_actions helper instead or directly testing
exts->nr_actions in tcf_exts_exec.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rest of the helpers are named tcf_exts_*, so change the name of
the action number helpers to be aligned. While at it, change to inline
functions.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since tcf_em_tree_validate could be always called on a newly created
filter, there is no need for this change function.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Even if it is only for classid now, use this common struct a be aligned
with the rest of the classful qdiscs.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
Two BPF fixes for s390
Found while testing some other work touching JITs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The BPF feature test as well as libbpf is missing the __NR_bpf
define for s390 and currently refuses to compile (selftest suite
depends on libbpf as well). Similar issue was fixed some time
ago via b0c47807d3 ("bpf: Add sparc support to tools and
samples."), just do the same and add definitions.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
While testing some other work that required JIT modifications, I
run into test_bpf causing a hang when JIT enabled on s390. The
problematic test case was the one from ddc665a4bb (bpf, arm64:
fix jit branch offset related to ldimm64), and turns out that we
do have a similar issue on s390 as well. In bpf_jit_prog() we
update next instruction address after returning from bpf_jit_insn()
with an insn_count. bpf_jit_insn() returns either -1 in case of
error (e.g. unsupported insn), 1 or 2. The latter is only the
case for ldimm64 due to spanning 2 insns, however, next address
is only set to i + 1 not taking actual insn_count into account,
thus fix is to use insn_count instead of 1. bpf_jit_enable in
mode 2 provides also disasm on s390:
Before fix:
000003ff800349b6: a7f40003 brc 15,3ff800349bc ; target
000003ff800349ba: 0000 unknown
000003ff800349bc: e3b0f0700024 stg %r11,112(%r15)
000003ff800349c2: e3e0f0880024 stg %r14,136(%r15)
000003ff800349c8: 0db0 basr %r11,%r0
000003ff800349ca: c0ef00000000 llilf %r14,0
000003ff800349d0: e320b0360004 lg %r2,54(%r11)
000003ff800349d6: e330b03e0004 lg %r3,62(%r11)
000003ff800349dc: ec23ffeda065 clgrj %r2,%r3,10,3ff800349b6 ; jmp
000003ff800349e2: e3e0b0460004 lg %r14,70(%r11)
000003ff800349e8: e3e0b04e0004 lg %r14,78(%r11)
000003ff800349ee: b904002e lgr %r2,%r14
000003ff800349f2: e3b0f0700004 lg %r11,112(%r15)
000003ff800349f8: e3e0f0880004 lg %r14,136(%r15)
000003ff800349fe: 07fe bcr 15,%r14
After fix:
000003ff80ef3db4: a7f40003 brc 15,3ff80ef3dba
000003ff80ef3db8: 0000 unknown
000003ff80ef3dba: e3b0f0700024 stg %r11,112(%r15)
000003ff80ef3dc0: e3e0f0880024 stg %r14,136(%r15)
000003ff80ef3dc6: 0db0 basr %r11,%r0
000003ff80ef3dc8: c0ef00000000 llilf %r14,0
000003ff80ef3dce: e320b0360004 lg %r2,54(%r11)
000003ff80ef3dd4: e330b03e0004 lg %r3,62(%r11)
000003ff80ef3dda: ec230006a065 clgrj %r2,%r3,10,3ff80ef3de6 ; jmp
000003ff80ef3de0: e3e0b0460004 lg %r14,70(%r11)
000003ff80ef3de6: e3e0b04e0004 lg %r14,78(%r11) ; target
000003ff80ef3dec: b904002e lgr %r2,%r14
000003ff80ef3df0: e3b0f0700004 lg %r11,112(%r15)
000003ff80ef3df6: e3e0f0880004 lg %r14,136(%r15)
000003ff80ef3dfc: 07fe bcr 15,%r14
test_bpf.ko suite runs fine after the fix.
Fixes: 0546231057 ("s390/bpf: Add s390x eBPF JIT compiler backend")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
mlxsw: Couple of fixes
Ido says:
The first patch prevents us from warning about valid situations that can
happen due to the fact that some operations in switchdev are deferred.
Second patch fixes a long standing problem in which we didn't correctly
free resources upon module removal, resulting in a memory leak.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Each multicast group (MID) stores a bitmap of ports to which a packet
should be forwarded to in case an MDB entry associated with the MID is
hit.
Since the initial introduction of IGMP snooping in commit 3a49b4fde2
("mlxsw: Adding layer 2 multicast support") the driver didn't correctly
free these multicast groups upon ungraceful situations such as the
removal of the upper bridge device or module removal.
The correct way to fix this is to associate each MID with the bridge
ports member in it and then drop the reference in case the bridge port
is destroyed, but this will result in a lot more code and will be fixed
in net-next.
For now, upon module removal, traverse the MID list and release each
one.
Fixes: 3a49b4fde2 ("mlxsw: Adding layer 2 multicast support")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some operations in the bridge driver such as MDB deletion are preformed
in an atomic context and thus deferred to a process context by the
switchdev infrastructure.
Therefore, by the time the operation is performed by the underlying
device driver it's possible the bridge port context is already gone.
This is especially true for removal flows, but theoretically can also be
invoked during addition.
Remove the warnings in such situations and return normally.
Fixes: c57529e1d5 ("mlxsw: spectrum: Replace vPorts with Port-VLAN")
Fixes: 3922285d96 ("net: bridge: Add support for offloading port attributes")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On M8 chips, use a max_phys_bits value of 51.
Also, M8 supports VA bits up to 54 bits. However, for now
restrict VA bits to 53 due to 4-level pagetable limitation.
Signed-off-by: Vijay Kumar <vijay.ac.kumar@oracle.com>
Reviewed-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recognize SPARC-M8 cpu type, hardware caps and cpu
distribution map.
Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David Aldridge <david.j.aldridge@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the __udivdi3 undefined error reported by
test robot.
Fixes: b8c17f7088 ("net: hns: Add self-adaptive interrupt coalesce support in hns driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This was supposed to be a bitwise OR but there is a || vs | typo.
Fixes: 864dc729d5 ("net: phy: marvell: Refactor m88e1121 RGMII delay configuration")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull sparc fixes from David Miller:
- block interrupts properly across the entire MMU context change (both
the hw MMU context change and the TSB table change) so that we don't
get a perf event interrupt in the middle. From Rob Gardner.
- be sure to register hugepages early enough, from Nitin Gupta.
- UltraSPARC-III user copy exception handling would return garbage for
the copied length in some circumstances.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix exception handling in UltraSPARC-III memcpy.
sbus: Convert to using %pOF instead of full_name
sparc: defconfig: Cleanup from old Kconfig options
sparc64: Register hugepages during arch init
sparc64: Prevent perf from running during super critical sections
->reencode_message() and last minute RADOS semantic changes in v12.1.2.
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Merge tag 'ceph-for-4.13-rc4' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A bunch of fixes and follow-ups for -rc1 Luminous patches: issues with
->reencode_message() and last minute RADOS semantic changes in
v12.1.2"
* tag 'ceph-for-4.13-rc4' of git://github.com/ceph/ceph-client:
libceph: make RECOVERY_DELETES feature create a new interval
libceph: upmap semantic changes
crush: assume weight_set != null imples weight_set_size > 0
libceph: fallback for when there isn't a pool-specific choose_arg
libceph: don't call ->reencode_message() more than once per message
libceph: make encode_request_*() work with r_mempool requests
Now we hit the usual ASoC-fix-flood in the middle of release.
Most of changes are trivial and device-specific, while one significant
change is the fix for unbalanced of_graph_*() refcounts. This
involved with the change in the graph API itself that had been a bit
messy.
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Merge tag 'sound-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Now we hit the usual ASoC-fix-flood in the middle of release.
Most of the changes are trivial and device-specific, while one
significant change is the fix for unbalanced of_graph_*() refcounts.
This involved a change in the graph API itself that had been a bit
messy"
* tag 'sound-4.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix speaker output from VAIO VPCL14M1R
device property: Fix usecount for of_graph_get_port_parent()
ASoC: rt5665: fix wrong register for bclk ratio control
ASoC: Intel: Use MCLK instead of BLCK as the sysclock for RT5514 codec on kabylake platform
ASoC: Intel: Enabling ASRC for RT5663 codec on kabylake platform
ASoC: codecs: msm8916-analog: fix DIG_CLK_CTL_RXD3_CLK_EN define
ASoC: Intel: Skylake: Fix missing sentinels in sst_acpi_mach
ASoC: sh: hac: add missing "int ret"
ASoC: samsung: odroid: Fix EPLL frequency values
ASoC: sgtl5000: Use snd_soc_kcontrol_codec()
ASoC: rt5665: fix GPIO6 pin function define
ASoC: ux500: Restore platform DAI assignments
ASoC: fix pcm-creation regression
ASoC: do not close shared backend dailink
ASoC: pxa: SND_PXA2XX_SOC should depend on HAS_DMA
ASoC: Intel: Skylake: Fix default dma_buffer_size
ASoC: rt5663: Update the HW default values based on the shipping version
ASoC: imx-ssi: add check on platform_get_irq return value
Including:
- Fix a scheduling-while-atomic bug in the AMD IOMMU driver. It
was found after the checker was enabled earlier.
- A fix for the virtual APIC code in the AMD IOMMU driver which
delivers device interrupts directly into KVM guests for
assigned devices.
- Fixes for the recently merged lock-less page-table code for
ARM. The redundant TLB syncs got reverted and locks added
again around the TLB sync code.
- Fix for error handling in arm_smmu_add_device()
- Address sanitization fix for arm io-pgtable code
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Merge tag 'iommu-fixes-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- fix a scheduling-while-atomic bug in the AMD IOMMU driver. It was
found after the checker was enabled earlier.
- a fix for the virtual APIC code in the AMD IOMMU driver which
delivers device interrupts directly into KVM guests for assigned
devices.
- fixes for the recently merged lock-less page-table code for ARM. The
redundant TLB syncs got reverted and locks added again around the TLB
sync code.
- fix for error handling in arm_smmu_add_device()
- address sanitization fix for arm io-pgtable code
* tag 'iommu-fixes-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix schedule-while-atomic BUG in initialization code
iommu/amd: Enable ga_log_intr when enabling guest_mode
iommu/io-pgtable: Sanitise map/unmap addresses
iommu/arm-smmu: Fix the error path in arm_smmu_add_device
Revert "iommu/io-pgtable: Avoid redundant TLB syncs"
iommu/mtk: Avoid redundant TLB syncs locally
iommu/arm-smmu: Reintroduce locking around TLB sync operations
- Fix NULL pointer dereference for block I/O during hotplug
MMC host:
- sdhci-of-at91: Fix card detect for non-removable cards
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Merge tag 'mmc-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of mmc fixes intended for v4.13-rc4.
MMC core:
- Fix NULL pointer dereference for block I/O during hotplug
MMC host:
- sdhci-of-at91: Fix card detect for non-removable cards"
* tag 'mmc-v4.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: block: bypass the queue even if usage is present for hotplug
mmc: sdhci-of-at91: force card detect value for non removable devices
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Merge tag 'drm-fixes-for-v4.13-rc4' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Either my email ate everything or everyone is on holidays, either way
all I can find is some lonely AMD fixes"
[ Europe might be on vacation, and the Pacific NW is too hot for work. ]
* tag 'drm-fixes-for-v4.13-rc4' of git://people.freedesktop.org/~airlied/linux:
drm/amdgpu: Use list_del_init in amdgpu_mn_unregister
drm/amdgpu: Fix undue fallthroughs in golden registers initialization
drm/amdgpu: fix header on gfx9 clear state
Fixes for recently merged code:
- a fix for the _PAGE_DEVMAP support, which was breaking KVM on Power9 radix
- avoid a (harmless) lockdep warning in the early SMP code
- return failure for some uses of dma_set_mask() rather than falling back to 32-bits
- fix stack setup in watchdog soft_nmi_common() to use emergency stack
- fix of_irq_to_resource() error check in of_fsl_spi_probe()
Two fixes going to stable:
- fix saving of Transactional Memory SPRs in core dump
- fix __check_irq_replay missing decrementer interrupt
And two misc:
- fix 64-bit boot wrapper build with non-biarch compiler
- work around a POWER9 PMU hang after state-loss idle
Thanks to:
Alistair Popple, Aneesh Kumar K.V, Cyril Bur, Gustavo Romero, Jose Ricardo
Ziviani, Laurent Vivier, Nicholas Piggin, Oliver O'Halloran, Sergei Shtylyov,
Suraj Jitindar Singh, Thomas Gleixner.
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Merge tag 'powerpc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fixes for recently merged code:
- a fix for the _PAGE_DEVMAP support, which was breaking KVM on
Power9 radix
- avoid a (harmless) lockdep warning in the early SMP code
- return failure for some uses of dma_set_mask() rather than falling
back to 32-bits
- fix stack setup in watchdog soft_nmi_common() to use emergency
stack
- fix of_irq_to_resource() error check in of_fsl_spi_probe()
Two fixes going to stable:
- fix saving of Transactional Memory SPRs in core dump
- fix __check_irq_replay missing decrementer interrupt
And two misc:
- fix 64-bit boot wrapper build with non-biarch compiler
- work around a POWER9 PMU hang after state-loss idle
Thanks to: Alistair Popple, Aneesh Kumar K.V, Cyril Bur, Gustavo
Romero, Jose Ricardo Ziviani, Laurent Vivier, Nicholas Piggin, Oliver
O'Halloran, Sergei Shtylyov, Suraj Jitindar Singh, Thomas Gleixner"
* tag 'powerpc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64: Fix __check_irq_replay missing decrementer interrupt
powerpc/perf: POWER9 PMU stops after idle workaround
powerpc/83xx/mpc832x_rdb: fix of_irq_to_resource() error check
powerpc/64s: Fix stack setup in watchdog soft_nmi_common()
powerpc/powernv/pci: Return failure for some uses of dma_set_mask()
powerpc/boot: Fix 64-bit boot wrapper build with non-biarch compiler
powerpc/smp: Call smp_ops->setup_cpu() directly on the boot CPU
powerpc/tm: Fix saving of TM SPRs in core dump
powerpc/mm: Fix pmd/pte_devmap() on non-leaf entries
Mikael Pettersson reported that some test programs in the strace-4.18
testsuite cause an OOPS.
After some debugging it turns out that garbage values are returned
when an exception occurs, causing the fixup memset() to be run with
bogus arguments.
The problem is that two of the exception handler stubs write the
successfully copied length into the wrong register.
Fixes: ee841d0aff ("sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.")
Reported-by: Mikael Pettersson <mikpelinux@gmail.com>
Tested-by: Mikael Pettersson <mikpelinux@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The bitmask used to define these values produces overflow, as seen by
this compiler warning:
arch/arm64/kernel/head.S:47:8: warning:
integer overflow in preprocessor expression
#elif (PAGE_OFFSET & 0x1fffff) != 0
^~~~~~~~~~~
arch/arm64/include/asm/memory.h:52:46: note:
expanded from macro 'PAGE_OFFSET'
#define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS -
1))
~~~~~~~~~~~~~~~~~~ ^
It would be preferrable to use GENMASK_ULL() instead, but it's not set
up to be used from assembly (the UL() macro token pastes UL suffixes
when not included in assembly sources).
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Suggested-by: Yury Norov <ynorov@caviumnetworks.com>
Suggested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
In a system with DBM (dirty bit management) capable agents there is a
possible race between a CPU executing ptep_set_access_flags() (maybe
non-DBM capable) and a hardware update of the dirty state (clearing of
PTE_RDONLY). The scenario:
a) the pte is writable (PTE_WRITE set), clean (PTE_RDONLY set) and old
(PTE_AF clear)
b) ptep_set_access_flags() is called as a result of a read access and it
needs to set the pte to writable, clean and young (PTE_AF set)
c) a DBM-capable agent, as a result of a different write access, is
marking the entry as young (setting PTE_AF) and dirty (clearing
PTE_RDONLY)
The current ptep_set_access_flags() implementation would set the
PTE_RDONLY bit in the resulting value overriding the DBM update and
losing the dirty state.
This patch fixes such race by setting PTE_RDONLY to the most permissive
(lowest value) of the current entry and the new one.
Fixes: 66dbd6e61a ("arm64: Implement ptep_set_access_flags() for hardware AF/DBM")
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Steve Capper <steve.capper@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
They should be used only when an actual
remote-endpoint is connected.
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Merge tag 'davinci-fixes-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Pull "DaVinci fixes for v4.13" from Sekhar Nori:
Drop unused VPIF endpoints from device-tree.
They should be used only when an actual
remote-endpoint is connected.
* tag 'davinci-fixes-for-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: dts: da850-lcdk: drop unused VPIF endpoints
ARM: dts: da850-evm: drop unused VPIF endpoints
Two fixes to correct the EMAC blocks memory region size to match the
datasheet. One that converts raw A83T clock indices to macros from the
clk dt-binding header, completing the A83T sunxi-ng clk driver.
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Merge tag 'sunxi-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes
Pull "Allwinner fixes for 4.13" from Chen-Yu Tsai:
Two fixes to correct the EMAC blocks memory region size to match the
datasheet. One that converts raw A83T clock indices to macros from the
clk dt-binding header, completing the A83T sunxi-ng clk driver.
* tag 'sunxi-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
