Commit Graph

1073307 Commits

Author SHA1 Message Date
Nikita Yushchenko
0878355b51 tracing/osnoise: Properly unhook events if start_per_cpu_kthreads() fails
If start_per_cpu_kthreads() called from osnoise_workload_start() returns
error, event hooks are left in broken state: unhook_irq_events() called
but unhook_thread_events() and unhook_softirq_events() not called, and
trace_osnoise_callback_enabled flag not cleared.

On the next tracer enable, hooks get not installed due to
trace_osnoise_callback_enabled flag.

And on the further tracer disable an attempt to remove non-installed
hooks happened, hitting a WARN_ON_ONCE() in tracepoint_remove_func().

Fix the error path by adding the missing part of cleanup.
While at this, introduce osnoise_unhook_events() to avoid code
duplication between this error path and normal tracer disable.

Link: https://lkml.kernel.org/r/20220109153459.3701773-1-nikita.yushchenko@virtuozzo.com

Cc: stable@vger.kernel.org
Fixes: bce29ac9ce ("trace: Add osnoise tracer")
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Nikita Yushchenko <nikita.yushchenko@virtuozzo.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 17:02:42 -05:00
Yuntao Wang
6e1b4bd191 tracing: Remove duplicate warnings when calling trace_create_file()
Since the same warning message is already printed in the
trace_create_file() function, there is no need to print it again.

Link: https://lkml.kernel.org/r/20220109162232.361747-1-ytcoode@gmail.com

Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 17:02:42 -05:00
Xiangyang Zhang
dfea08a211 tracing/kprobes: 'nmissed' not showed correctly for kretprobe
The 'nmissed' column of the 'kprobe_profile' file for kretprobe is
not showed correctly, kretprobe can be skipped by two reasons,
shortage of kretprobe_instance which is counted by tk->rp.nmissed,
and kprobe itself is missed by some reason, so to show the sum.

Link: https://lkml.kernel.org/r/20220107150242.5019-1-xyz.sun.ok@gmail.com

Cc: stable@vger.kernel.org
Fixes: 4a846b443b ("tracing/kprobes: Cleanup kprobe tracer code")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Xiangyang Zhang <xyz.sun.ok@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 17:02:42 -05:00
Steven Rostedt
77360f9bbc tracing: Add test for user space strings when filtering on string pointers
Pingfan reported that the following causes a fault:

  echo "filename ~ \"cpu\"" > events/syscalls/sys_enter_openat/filter
  echo 1 > events/syscalls/sys_enter_at/enable

The reason is that trace event filter treats the user space pointer
defined by "filename" as a normal pointer to compare against the "cpu"
string. The following bug happened:

 kvm-03-guest16 login: [72198.026181] BUG: unable to handle page fault for address: 00007fffaae8ef60
 #PF: supervisor read access in kernel mode
 #PF: error_code(0x0001) - permissions violation
 PGD 80000001008b7067 P4D 80000001008b7067 PUD 2393f1067 PMD 2393ec067 PTE 8000000108f47867
 Oops: 0001 [#1] PREEMPT SMP PTI
 CPU: 1 PID: 1 Comm: systemd Kdump: loaded Not tainted 5.14.0-32.el9.x86_64 #1
 Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
 RIP: 0010:strlen+0x0/0x20
 Code: 48 89 f9 74 09 48 83 c1 01 80 39 00 75 f7 31 d2 44 0f b6 04 16 44 88 04 11
       48 83 c2 01 45 84 c0 75 ee c3 0f 1f 80 00 00 00 00 <80> 3f 00 74 10 48 89 f8
       48 83 c0 01 80 38 00 75 f7 48 29 f8 c3 31
 RSP: 0018:ffffb5b900013e48 EFLAGS: 00010246
 RAX: 0000000000000018 RBX: ffff8fc1c49ede00 RCX: 0000000000000000
 RDX: 0000000000000020 RSI: ffff8fc1c02d601c RDI: 00007fffaae8ef60
 RBP: 00007fffaae8ef60 R08: 0005034f4ddb8ea4 R09: 0000000000000000
 R10: ffff8fc1c02d601c R11: 0000000000000000 R12: ffff8fc1c8a6e380
 R13: 0000000000000000 R14: ffff8fc1c02d6010 R15: ffff8fc1c00453c0
 FS:  00007fa86123db40(0000) GS:ffff8fc2ffd00000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00007fffaae8ef60 CR3: 0000000102880001 CR4: 00000000007706e0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 PKRU: 55555554
 Call Trace:
  filter_pred_pchar+0x18/0x40
  filter_match_preds+0x31/0x70
  ftrace_syscall_enter+0x27a/0x2c0
  syscall_trace_enter.constprop.0+0x1aa/0x1d0
  do_syscall_64+0x16/0x90
  entry_SYSCALL_64_after_hwframe+0x44/0xae
 RIP: 0033:0x7fa861d88664

The above happened because the kernel tried to access user space directly
and triggered a "supervisor read access in kernel mode" fault. Worse yet,
the memory could not even be loaded yet, and a SEGFAULT could happen as
well. This could be true for kernel space accessing as well.

To be even more robust, test both kernel and user space strings. If the
string fails to read, then simply have the filter fail.

Note, TASK_SIZE is used to determine if the pointer is user or kernel space
and the appropriate strncpy_from_kernel/user_nofault() function is used to
copy the memory. For some architectures, the compare to TASK_SIZE may always
pick user space or kernel space. If it gets it wrong, the only thing is that
the filter will fail to match. In the future, this needs to be fixed to have
the event denote which should be used. But failing a filter is much better
than panicing the machine, and that can be solved later.

Link: https://lore.kernel.org/all/20220107044951.22080-1-kernelfans@gmail.com/
Link: https://lkml.kernel.org/r/20220110115532.536088fd@gandalf.local.home

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Reported-by: Pingfan Liu <kernelfans@gmail.com>
Tested-by: Pingfan Liu <kernelfans@gmail.com>
Fixes: 87a342f5db ("tracing/filters: Support filtering for char * strings")
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 17:00:45 -05:00
Matthew Wilcox (Oracle)
6840f9094f pagevec: Initialise folio_batch->percpu_pvec_drained
When UBSAN is enabled, it reports an invalid value in __pagevec_release()
when accessing pvec->percpu_pvec_drained, which is simply whatever
garbage was on the stack.  Initialise it when initialising the rest of
the folio_batch.

Fixes: 10331795fb ("pagevec: Add folio_batch")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-01-13 16:50:50 -05:00
Steven Rostedt
3e2a56e6f6 tracing: Have syscall trace events use trace_event_buffer_lock_reserve()
Currently, the syscall trace events call trace_buffer_lock_reserve()
directly, which means that it misses out on some of the filtering
optimizations provided by the helper function
trace_event_buffer_lock_reserve(). Have the syscall trace events call that
instead, as it was missed when adding the update to use the temp buffer
when filtering.

Link: https://lkml.kernel.org/r/20220107225839.823118570@goodmis.org

Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 0fc1b09ff1 ("tracing: Use temp buffer when filtering events")
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:05 -05:00
Geliang Tang
ecbe794e77 tracing: Fix mismatched comment in __string_len
Here __assign_str_len() should be used for the __string_len type, instead
of __assign_str() in the comment.

Link: https://lkml.kernel.org/r/5c012db463392d0e6d4f0636203d778962ad060a.1640170494.git.geliang.tang@suse.com

Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 883b4aee4d ("tracing: Add trace_event helper macros __string_len() and __assign_str_len()")
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:05 -05:00
Steven Rostedt (VMware)
8147dc78e6 ftrace: Add test to make sure compiled time sorts work
Now that ftrace function pointers are sorted at compile time, add a test
that makes sure they are sorted at run time. This test is only run if it is
configured in.

Link: https://lkml.kernel.org/r/20211206151858.4d21a24d@gandalf.local.home

Cc: Yinan Liu <yinan@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2022-01-13 16:23:05 -05:00
Yinan Liu
72b3942a17 scripts: ftrace - move the sort-processing in ftrace_init
When the kernel starts, the initialization of ftrace takes
up a portion of the time (approximately 6~8ms) to sort mcount
addresses. We can save this time by moving mcount-sorting to
compile time.

Link: https://lkml.kernel.org/r/20211212113358.34208-2-yinan@linux.alibaba.com

Signed-off-by: Yinan Liu <yinan@linux.alibaba.com>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:04 -05:00
Xiaoke Wang
1c1857d400 tracing/probes: check the return value of kstrndup() for pbuf
kstrndup() is a memory allocation-related function, it returns NULL when
some internal memory errors happen. It is better to check the return
value of it so to catch the memory error in time.

Link: https://lkml.kernel.org/r/tencent_4D6E270731456EB88712ED7F13883C334906@qq.com

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: a42e3c4de9 ("tracing/probe: Add immediate string parameter support")
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:04 -05:00
Xiaoke Wang
8c72242455 tracing/uprobes: Check the return value of kstrdup() for tu->filename
kstrdup() returns NULL when some internal memory errors happen, it is
better to check the return value of it so to catch the memory error in
time.

Link: https://lkml.kernel.org/r/tencent_3C2E330722056D7891D2C83F29C802734B06@qq.com

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 33ea4b2427 ("perf/core: Implement the 'perf_uprobe' PMU")
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:04 -05:00
Sebastian Andrzej Siewior
289e7b0f7e tracing: Account bottom half disabled sections.
Disabling only bottom halves via local_bh_disable() disables also
preemption but this remains invisible to tracing. On a CONFIG_PREEMPT
kernel one might wonder why there is no scheduling happening despite the
N flag in the trace. The reason might be the a rcu_read_lock_bh()
section.

Add a 'b' to the tracing output if in task context with disabled bottom
halves.

Link: https://lkml.kernel.org/r/YbcbtdtC/bjCKo57@linutronix.de

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2022-01-13 16:23:04 -05:00
Dan Carpenter
818d9150f2 clk: visconti: Fix uninitialized variable in printk
The "pll_clck" variable is uninitialized.  The "ret" error code was
supposed to be printed instead.

Fixes: b4cbe606dc ("clk: visconti: Add support common clock driver and reset driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220111072529.GJ11243@kili
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-01-13 13:21:02 -08:00
Robert Hancock
49a8f2bc8d clk: si5341: Fix clock HW provider cleanup
The call to of_clk_add_hw_provider was not undone on remove or on probe
failure, which could cause an oops on a subsequent attempt to retrieve
clocks for the removed device. Switch to the devm version of the
function to avoid this issue.

Fixes: 3044a860fd ("clk: Add Si5341/Si5340 driver")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220112203816.1784610-1-robert.hancock@calian.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-01-13 13:20:54 -08:00
Colin Ian King
a6431e351c aoe: remove redundant assignment on variable n
The variable n is being bit-wise or'd with a value and reassigned
before being returned. The update of n is redundant, replace
the |= operator with | instead. Cleans up clang scan warning:

drivers/block/aoe/aoecmd.c:125:9: warning: Although the value stored
to 'n' is used in the enclosing expression, the value is never
actually read from 'n' [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220113000545.1307091-1-colin.i.king@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-01-13 13:00:45 -07:00
Colin Ian King
413ec8057b loop: remove redundant initialization of pointer node
The pointer node is being initialized with a value that is never
read, it is being re-assigned the same value a little futher on.
Remove the redundant initialization. Cleans up clang scan warning:

drivers/block/loop.c:823:19: warning: Value stored to 'node' during
its initialization is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220113001432.1331871-1-colin.i.king@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-01-13 13:00:32 -07:00
Laibin Qiu
180dccb0db blk-mq: fix tag_get wait task can't be awakened
In case of shared tags, there might be more than one hctx which
allocates from the same tags, and each hctx is limited to allocate at
most:
        hctx_max_depth = max((bt->sb.depth + users - 1) / users, 4U);

tag idle detection is lazy, and may be delayed for 30sec, so there
could be just one real active hctx(queue) but all others are actually
idle and still accounted as active because of the lazy idle detection.
Then if wake_batch is > hctx_max_depth, driver tag allocation may wait
forever on this real active hctx.

Fix this by recalculating wake_batch when inc or dec active_queues.

Fixes: 0d2602ca30 ("blk-mq: improve support for shared tags maps")
Suggested-by: Ming Lei <ming.lei@redhat.com>
Suggested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Laibin Qiu <qiulaibin@huawei.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220113025536.1479653-1-qiulaibin@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-01-13 12:52:14 -07:00
Jiapeng Chong
c84b8a3fef io_uring: Remove unused function req_ref_put
Fix the following clang warnings:

fs/io_uring.c:1195:20: warning: unused function 'req_ref_put'
[-Wunused-function].

Fixes: aa43477b04 ("io_uring: poll rework")
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220113162005.3011-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-01-13 12:43:05 -07:00
Linus Torvalds
fb3b0673b7 - qcom: misc updates to qcom-ipcc driver
- mpfs: change compatible string
 - pcc: fix handling of subtypes
 		avoid uninit variable
 - mtk: add missing of_node_put
 		enable control_by_sw
 		silent probe-defer prints
 		fix gce_num for mt8192
 - zynq: add missing of_node_put
 - imx: check for NULL instead of IS_ERR
 - appple: switch to generic compatibles
 - hi3660: convert comments to kernel-doc notation
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Merge tag 'mailbox-v5.17' of git://git.linaro.org/landing-teams/working/fujitsu/integration

Pull mailbox updates from Jassi Brar:

 - qcom: misc updates to qcom-ipcc driver

 - mpfs: change compatible string

 - pcc:
     - fix handling of subtypes
     - avoid uninitialized variable

 - mtk:
     - add missing of_node_put
     - enable control_by_sw
     - silent probe-defer prints
     - fix gce_num for mt8192

 - zynq: add missing of_node_put

 - imx: check for NULL instead of IS_ERR

 - appple: switch to generic compatibles

 - hi3660: convert comments to kernel-doc notation

* tag 'mailbox-v5.17' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  dt-bindings: mailbox: Add more protocol and client ID
  mailbox: qcom-ipcc: Support interrupt wake up from suspend
  mailbox: qcom-ipcc: Support more IPCC instance
  mailbox: qcom-ipcc: Dynamic alloc for channel arrangement
  mailbox: change mailbox-mpfs compatible string
  mailbox: pcc: Handle all PCC subtypes correctly in pcc_mbox_irq
  mailbox: pcc: Avoid using the uninitialized variable 'dev'
  mailbox: mtk: add missing of_node_put before return
  mailbox: zynq: add missing of_node_put before return
  mailbox: imx: Fix an IS_ERR() vs NULL bug
  mailbox: hi3660: convert struct comments to kernel-doc notation
  mailbox: add control_by_sw for mt8195
  mailbox: mtk-cmdq: Silent EPROBE_DEFER errors for clks
  mailbox: fix gce_num of mt8192 driver data
  mailbox: apple: Bind to generic compatibles
  dt-bindings: mailbox: apple,mailbox: Add generic and t6000 compatibles
2022-01-13 11:19:07 -08:00
Linus Torvalds
747c19eb75 RDMA v5.17 merge window pull request
Substantially all bug fixes and cleanups:
 
 - Update drivers to use common helpers for GUIDs, pkeys, bitmaps,
   memset_startat, and others
 
 - General code cleanups from bots
 
 - Simplify some of the rxe pool code in preparation for a larger rework
 
 - Clean out old stuff from hns, including all support for hip06 devices
 
 - Fix a bug where GID table entries could be missed if the table had holes
   in it
 
 - Rename paths and sessions in rtrs for better understandability
 
 - Consolidate the roce source port selection code
 
 - NDR speed support in mlx5
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "Another small cycle. Mostly cleanups and bug fixes, quite a bit
  assisted from bots. There are a few new syzkaller splats that haven't
  been solved yet but they should get into the rcs in a few weeks, I
  think.

  Summary:

   - Update drivers to use common helpers for GUIDs, pkeys, bitmaps,
     memset_startat, and others

   - General code cleanups from bots

   - Simplify some of the rxe pool code in preparation for a larger
     rework

   - Clean out old stuff from hns, including all support for hip06
     devices

   - Fix a bug where GID table entries could be missed if the table had
     holes in it

   - Rename paths and sessions in rtrs for better understandability

   - Consolidate the roce source port selection code

   - NDR speed support in mlx5"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (83 commits)
  RDMA/irdma: Remove the redundant return
  RDMA/rxe: Use the standard method to produce udp source port
  RDMA/irdma: Make the source udp port vary
  RDMA/hns: Replace get_udp_sport with rdma_get_udp_sport
  RDMA/core: Calculate UDP source port based on flow label or lqpn/rqpn
  IB/qib: Fix typos
  RDMA/rtrs-clt: Rename rtrs_clt to rtrs_clt_sess
  RDMA/rtrs-srv: Rename rtrs_srv to rtrs_srv_sess
  RDMA/rtrs-clt: Rename rtrs_clt_sess to rtrs_clt_path
  RDMA/rtrs-srv: Rename rtrs_srv_sess to rtrs_srv_path
  RDMA/rtrs: Rename rtrs_sess to rtrs_path
  RDMA/hns: Modify the hop num of HIP09 EQ to 1
  IB/iser: Align coding style across driver
  IB/iser: Remove un-needed casting to/from void pointer
  IB/iser: Don't suppress send completions
  IB/iser: Rename ib_ret local variable
  IB/iser: Fix RNR errors
  IB/iser: Remove deprecated pi_guard module param
  IB/mlx5: Expose NDR speed through MAD
  RDMA/cxgb4: Set queue pair state when being queried
  ...
2022-01-13 11:09:11 -08:00
Kevin Bracey
fb80445c43 net_sched: restore "mpu xxx" handling
commit 56b765b79e ("htb: improved accuracy at high rates") broke
"overhead X", "linklayer atm" and "mpu X" attributes.

"overhead X" and "linklayer atm" have already been fixed. This restores
the "mpu X" handling, as might be used by DOCSIS or Ethernet shaping:

    tc class add ... htb rate X overhead 4 mpu 64

The code being fixed is used by htb, tbf and act_police. Cake has its
own mpu handling. qdisc_calculate_pkt_len still uses the size table
containing values adjusted for mpu by user space.

iproute2 tc has always passed mpu into the kernel via a tc_ratespec
structure, but the kernel never directly acted on it, merely stored it
so that it could be read back by `tc class show`.

Rather, tc would generate length-to-time tables that included the mpu
(and linklayer) in their construction, and the kernel used those tables.

Since v3.7, the tables were no longer used. Along with "mpu", this also
broke "overhead" and "linklayer" which were fixed in 01cb71d2d4
("net_sched: restore "overhead xxx" handling", v3.10) and 8a8e3d84b1
("net_sched: restore "linklayer atm" handling", v3.11).

"overhead" was fixed by simply restoring use of tc_ratespec::overhead -
this had originally been used by the kernel but was initially omitted
from the new non-table-based calculations.

"linklayer" had been handled in the table like "mpu", but the mode was
not originally passed in tc_ratespec. The new implementation was made to
handle it by getting new versions of tc to pass the mode in an extended
tc_ratespec, and for older versions of tc the table contents were analysed
at load time to deduce linklayer.

As "mpu" has always been given to the kernel in tc_ratespec,
accompanying the mpu-based table, we can restore system functionality
with no userspace change by making the kernel act on the tc_ratespec
value.

Fixes: 56b765b79e ("htb: improved accuracy at high rates")
Signed-off-by: Kevin Bracey <kevin@bracey.fi>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: Vimalkumar <j.vimal@gmail.com>
Link: https://lore.kernel.org/r/20220112170210.1014351-1-kevin@bracey.fi
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-13 11:06:42 -08:00
Masahiro Yamada
c4d7f40b25 kbuild: add cmd_file_size
Some architectures support self-extracting kernel, which embeds the
compressed vmlinux.

It has 4 byte data at the end so the decompressor can know the vmlinux
size beforehand.

GZIP natively has it in the trailer, but for the other compression
algorithms, the hand-crafted trailer is added.

It is unneeded to generate such _corrupted_ compressed files because
it is possible to pass the size data as a separate file.

For example, the assembly code:

     .incbin "compressed-vmlinux-with-size-data"

can be transformed to:

     .incbin "compressed-vmlinux"
     .incbin "size-data"

My hope is, after some reworks of the decompressors, the macros
cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}_with_size will go away.

This new macro, cmd_file_size, will be useful to generate a separate
size-data file.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-01-14 02:57:43 +09:00
Masahiro Yamada
53e7b5dfb7 arch: decompressor: remove useless vmlinux.bin.all-y
Presumably, arch/{parisc,s390,sh}/boot/compressed/Makefile copied
arch/x86/boot/compressed/Makefile, but vmlinux.bin.all-y is useless
here because it is the same as $(obj)/vmlinux.bin.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-01-14 02:55:44 +09:00
Masahiro Yamada
7ce7e984ab kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}
GZIP-compressed files end with 4 byte data that represents the size
of the original input. The decompressors (the self-extracting kernel)
exploit it to know the vmlinux size beforehand. To mimic the GZIP's
trailer, Kbuild provides cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}.
Unfortunately these macros are used everywhere despite the appended
size data is only useful for the decompressors.

There is no guarantee that such hand-crafted trailers are safely ignored.
In fact, the kernel refuses compressed initramdfs with the garbage data.
That is why usr/Makefile overrides size_append to make it no-op.

To limit the use of such broken compressed files, this commit renames
the existing macros as follows:

  cmd_bzip2   --> cmd_bzip2_with_size
  cmd_lzma    --> cmd_lzma_with_size
  cmd_lzo     --> cmd_lzo_with_size
  cmd_lz4     --> cmd_lz4_with_size
  cmd_xzkern  --> cmd_xzkern_with_size
  cmd_zstd22  --> cmd_zstd22_with_size

To keep the decompressors working, I updated the following Makefiles
accordingly:

  arch/arm/boot/compressed/Makefile
  arch/h8300/boot/compressed/Makefile
  arch/mips/boot/compressed/Makefile
  arch/parisc/boot/compressed/Makefile
  arch/s390/boot/compressed/Makefile
  arch/sh/boot/compressed/Makefile
  arch/x86/boot/compressed/Makefile

I reused the current macro names for the normal usecases; they produce
the compressed data in the proper format.

I did not touch the following:

  arch/arc/boot/Makefile
  arch/arm64/boot/Makefile
  arch/csky/boot/Makefile
  arch/mips/boot/Makefile
  arch/riscv/boot/Makefile
  arch/sh/boot/Makefile
  kernel/Makefile

This means those Makefiles will stop appending the size data.

I dropped the 'override size_append' hack from usr/Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-01-14 02:54:05 +09:00
Masahiro Yamada
64d8aaa4ef kbuild: drop $(size_append) from cmd_zstd
The appended file size is only used by the decompressors, which some
architectures support.

As the comment "zstd22 is used for kernel compression" says, cmd_zstd22
is used in arch/{mips,s390,x86}/boot/compressed/Makefile.

On the other hand, there is no good reason to append the file size to
cmd_zstd since it is used for other purposes.

Actually cmd_zstd is only used in usr/Makefile, where the appended file
size is rather harmful.

The initramfs with its file size appended is considered as corrupted
data, so commit 65e00e04e5 ("initramfs: refactor the initramfs build
rules") added 'override size_append := :' to make it no-op.

As a conclusion, this $(size_append) should not exist here.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-01-14 02:52:04 +09:00
Masahiro Yamada
82977af93a sh: rename suffix-y to suffix_y
'export suffix-y' does not work reliably because hyphens are disallowed
in shell variables.

A similar issue was fixed by commit 2bfbe7881e ("kbuild: Do not use
hyphen in exported variable name").

If I do similar in dash, ARCH=sh fails to build.

  $ mv linux linux~
  $ cd linux~
  $ dash
  $ make O=foo/bar ARCH=sh CROSS_COMPILE=sh4-linux-gnu- defconfig all
  make[1]: Entering directory '/home/masahiro/linux~/foo/bar'
    [ snip ]
  make[4]: *** No rule to make target 'arch/sh/boot/compressed/vmlinux.bin.', needed by 'arch/sh/boot/compressed/piggy.o'.  Stop.
  make[3]: *** [/home/masahiro/linux~/arch/sh/boot/Makefile:40: arch/sh/boot/compressed/vmlinux] Error 2
  make[2]: *** [/home/masahiro/linux~/arch/sh/Makefile:194: zImage] Error 2
  make[1]: *** [/home/masahiro/linux~/Makefile:350: __build_one_by_one] Error 2
  make[1]: Leaving directory '/home/masahiro/linux~/foo/bar'
  make: *** [Makefile:219: __sub-make] Error 2

The maintainer of GNU Make stated that there is no consistent way to
export variables that do not meet the shell's naming criteria.
(https://savannah.gnu.org/bugs/?55719)

Consequently, you cannot use hyphens in exported variables.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
2022-01-14 02:50:29 +09:00
Kyoungkyu Park
a6fadfd757 net: qmi_wwan: Add Hucom Wireless HM-211S/K
The Hucom Wireless HM-211S/K is an LTE module based on Qualcomm MDM9207.
This module supports LTE Band 1, 3, 5, 7, 8 and WCDMA Band 1.

Manual testing showed that only interface
number two replies to QMI messages.

T:  Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=22de ProdID=9051 Rev= 3.18
S:  Manufacturer=Android
S:  Product=Android
S:  SerialNumber=0123456789ABCDEF
C:* #Ifs= 4 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E:  Ad=85(I) Atr=03(Int.) MxPS=   8 Ivl=32ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Signed-off-by: Kyoungkyu Park <choryu.park@choryu.space>
Acked-by: Bjørn Mork <bjorn@mork.no>
Link: https://lore.kernel.org/r/Yd+nxAA6KorDpQFv@choryu-tfx5470h
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-01-13 09:24:51 -08:00
Jason Gunthorpe
c0fe82baae Linux 5.16
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Merge tag 'v5.16' into rdma.git for-next

To resolve minor conflict in:
        drivers/infiniband/hw/mlx5/mlx5_ib.h

By merging both hunks.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-01-13 13:21:03 -04:00
Linus Torvalds
feb7a43de5 Rework of the MSI interrupt infrastructure:
Treewide cleanup and consolidation of MSI interrupt handling in
   preparation for further changes in this area which are necessary to:
 
   - address existing shortcomings in the VFIO area
 
   - support the upcoming Interrupt Message Store functionality which
     decouples the message store from the PCI config/MMIO space
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Merge tag 'irq-msi-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull MSI irq updates from Thomas Gleixner:
 "Rework of the MSI interrupt infrastructure.

  This is a treewide cleanup and consolidation of MSI interrupt handling
  in preparation for further changes in this area which are necessary
  to:

   - address existing shortcomings in the VFIO area

   - support the upcoming Interrupt Message Store functionality which
     decouples the message store from the PCI config/MMIO space"

* tag 'irq-msi-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (94 commits)
  genirq/msi: Populate sysfs entry only once
  PCI/MSI: Unbreak pci_irq_get_affinity()
  genirq/msi: Convert storage to xarray
  genirq/msi: Simplify sysfs handling
  genirq/msi: Add abuse prevention comment to msi header
  genirq/msi: Mop up old interfaces
  genirq/msi: Convert to new functions
  genirq/msi: Make interrupt allocation less convoluted
  platform-msi: Simplify platform device MSI code
  platform-msi: Let core code handle MSI descriptors
  bus: fsl-mc-msi: Simplify MSI descriptor handling
  soc: ti: ti_sci_inta_msi: Remove ti_sci_inta_msi_domain_free_irqs()
  soc: ti: ti_sci_inta_msi: Rework MSI descriptor allocation
  NTB/msi: Convert to msi_on_each_desc()
  PCI: hv: Rework MSI handling
  powerpc/mpic_u3msi: Use msi_for_each-desc()
  powerpc/fsl_msi: Use msi_for_each_desc()
  powerpc/pasemi/msi: Convert to msi_on_each_dec()
  powerpc/cell/axon_msi: Convert to msi_on_each_desc()
  powerpc/4xx/hsta: Rework MSI handling
  ...
2022-01-13 09:05:29 -08:00
Linus Torvalds
fd04899208 Updates for the time(r) subsystem:
Core:
 
   - Make the clocksource watchdog more robust by better validation checks
     of the measurement.
 
  Drivers:
 
   - New drivers for MStar and SSD20xd SOCs
 
   - The usual cleanups and improvements all over the place
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Merge tag 'timers-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Updates for the time(r) subsystem:

  Core:

   - Make the clocksource watchdog more robust by better validation
     checks of the measurement.

  Drivers:

   - New drivers for MStar and SSD20xd SOCs

   - The usual cleanups and improvements all over the place"

* tag 'timers-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  dt-bindings: timer: Add Mstar MSC313e timer devicetree bindings documentation
  clocksource/drivers/msc313e: Add support for ssd20xd-based platforms
  clocksource/drivers: Add MStar MSC313e timer support
  clocksource/drivers/pistachio: Fix -Wunused-but-set-variable warning
  clocksource/drivers/timer-imx-sysctr: Set cpumask to cpu_possible_mask
  clocksource/drivers/imx-sysctr: Mark two variable with __ro_after_init
  clocksource/drivers/renesas,ostm: Make RENESAS_OSTM symbol visible
  clocksource/drivers/renesas-ostm: Add RZ/G2L OSTM support
  dt-bindings: timer: renesas: ostm: Document Renesas RZ/G2L OSTM
  clocksource/drivers/exynos_mct: Fix silly typo resulting in checkpatch warning
  clocksource: Reduce the default clocksource_watchdog() retries to 2
  clocksource: Avoid accidental unstable marking of clocksources
  dt-bindings: timer: tpm-timer: Add imx8ulp compatible string
  reset: Add of_reset_control_get_optional_exclusive()
  clocksource/drivers/exynos_mct: Refactor resources allocation
  dt-bindings: timer: remove rockchip,rk3066-timer compatible string from rockchip,rk-timer.yaml
  dt-bindings: timer: cadence_ttc: Add power-domains
2022-01-13 09:02:27 -08:00
Linus Torvalds
147cc5838c Updates for the interrupt subsystem:
Core:
 
   - Provide a new interface for affinity hints to provide a separation
     between hint and actual affinity change which has become a hidden
     property of the current interface
 
   - Fix up the in tree usage of the affinity hint interfaces
 
  Drivers:
 
   - No new irqchip drivers!
 
   - Fix GICv3 redistributor table reservation with RT across kexec
 
   - Fix GICv4.1 redistributor view of the VPE table across kexec
 
   - Add support for extra interrupts on spear-shirq
 
   - Make obtaining some interrupts optional for the Renesas drivers
 
   - Various cleanups and bug fixes
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Merge tag 'irq-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "Updates for the interrupt subsystem:

  Core:

   - Provide a new interface for affinity hints to provide a separation
     between hint and actual affinity change which has become a hidden
     property of the current interface

   - Fix up the in tree usage of the affinity hint interfaces

  Drivers:

   - No new irqchip drivers!

   - Fix GICv3 redistributor table reservation with RT across kexec

   - Fix GICv4.1 redistributor view of the VPE table across kexec

   - Add support for extra interrupts on spear-shirq

   - Make obtaining some interrupts optional for the Renesas drivers

   - Various cleanups and bug fixes"

* tag 'irq-core-2022-01-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  irqchip/renesas-intc-irqpin: Use platform_get_irq_optional() to get the interrupt
  irqchip/renesas-irqc: Use platform_get_irq_optional() to get the interrupt
  irqchip/gic-v4: Disable redistributors' view of the VPE table at boot time
  irqchip/ingenic-tcu: Use correctly sized arguments for bit field
  irqchip/gic-v2m: Add const to of_device_id
  irqchip/imx-gpcv2: Mark imx_gpcv2_instance with __ro_after_init
  irqchip/spear-shirq: Add support for IRQ 0..6
  irqchip/gic-v3-its: Limit memreserve cpuhp state lifetime
  irqchip/gic-v3-its: Postpone LPI pending table freeing and memreserve
  irqchip/gic-v3-its: Give the percpu rdist struct its own flags field
  net/mlx4: Use irq_update_affinity_hint()
  net/mlx5: Use irq_set_affinity_and_hint()
  hinic: Use irq_set_affinity_and_hint()
  scsi: lpfc: Use irq_set_affinity()
  mailbox: Use irq_update_affinity_hint()
  ixgbe: Use irq_update_affinity_hint()
  be2net: Use irq_update_affinity_hint()
  enic: Use irq_update_affinity_hint()
  RDMA/irdma: Use irq_update_affinity_hint()
  scsi: mpt3sas: Use irq_set_affinity_and_hint()
  ...
2022-01-13 08:53:45 -08:00
Bjorn Helgaas
87c7193163 Merge branch 'pci/driver-cleanup'
- Use of_device_get_match_data(), not of_match_device(), when we only need
  the device data in altera, artpec6, cadence, designware-plat, dra7xx,
  keystone, kirin (Fan Fei)

- Drop pointless of_device_get_match_data() cast in j721e (Bjorn Helgaas)

- Drop redundant struct device * from j721e since struct cdns_pcie already
  has one (Bjorn Helgaas)

- Rename driver structs to *_pcie in intel-gw, iproc, ls-gen4,
  mediatek-gen3, microchip, mt7621, rcar-gen2, tegra194, uniphier, xgene,
  xilinx, xilinx-cpm for consistency across drivers (Fan Fei)

- Fix invalid address space conversions in hisi, spear13xx (Bjorn Helgaas)

* pci/driver-cleanup:
  PCI: spear13xx: Avoid invalid address space conversions
  PCI: hisi: Avoid invalid address space conversions
  PCI: xilinx-cpm: Rename xilinx_cpm_pcie_port to xilinx_cpm_pcie
  PCI: xilinx: Rename xilinx_pcie_port to xilinx_pcie
  PCI: xgene: Rename xgene_pcie_port to xgene_pcie
  PCI: uniphier: Rename uniphier_pcie_priv to uniphier_pcie
  PCI: tegra194: Rename tegra_pcie_dw to tegra194_pcie
  PCI: rcar-gen2: Rename rcar_pci_priv to rcar_pci
  PCI: mt7621: Rename mt7621_pci_ to mt7621_pcie_
  PCI: microchip: Rename mc_port to mc_pcie
  PCI: mediatek-gen3: Rename mtk_pcie_port to mtk_gen3_pcie
  PCI: ls-gen4: Rename ls_pcie_g4 to ls_g4_pcie
  PCI: iproc: Rename iproc_pcie_pltfm_ to iproc_pltfm_pcie_
  PCI: iproc: Rename iproc_pcie_bcma_ to iproc_bcma_pcie_
  PCI: intel-gw: Rename intel_pcie_port to intel_pcie
  PCI: j721e: Drop redundant struct device *
  PCI: j721e: Drop pointless of_device_get_match_data() cast
  PCI: kirin: Prefer of_device_get_match_data()
  PCI: keystone: Prefer of_device_get_match_data()
  PCI: dra7xx: Prefer of_device_get_match_data()
  PCI: designware-plat: Prefer of_device_get_match_data()
  PCI: cadence: Prefer of_device_get_match_data()
  PCI: artpec6: Prefer of_device_get_match_data()
  PCI: altera: Prefer of_device_get_match_data()

# Conflicts:
#	drivers/pci/controller/pcie-mt7621.c
2022-01-13 09:57:53 -06:00
Bjorn Helgaas
f5d3ca6fff Merge branch 'pci/errors'
- Add PCI_ERROR_RESPONSE and related definitions for signaling and checking
  for transaction errors on PCI (Naveen Naidu)

- Fabricate PCI_ERROR_RESPONSE data (~0) in config read wrappers, instead
  of in host controller drivers, when transactions fail on PCI (Naveen
  Naidu)

- Use PCI_POSSIBLE_ERROR() to check for possible failure of config reads
  (Naveen Naidu)

* pci/errors:
  PCI: xgene: Use PCI_ERROR_RESPONSE to identify config read errors
  PCI: hv: Use PCI_ERROR_RESPONSE to identify config read errors
  PCI: keystone: Use PCI_ERROR_RESPONSE to identify config read errors
  PCI: Use PCI_ERROR_RESPONSE to identify config read errors
  PCI: cpqphp: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI/PME: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI/DPC: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI: pciehp: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI: vmd: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI/ERR: Use PCI_POSSIBLE_ERROR() to check config reads
  PCI: rockchip-host: Drop error data fabrication when config read fails
  PCI: rcar-host: Drop error data fabrication when config read fails
  PCI: altera: Drop error data fabrication when config read fails
  PCI: mvebu: Drop error data fabrication when config read fails
  PCI: aardvark: Drop error data fabrication when config read fails
  PCI: kirin: Drop error data fabrication when config read fails
  PCI: histb: Drop error data fabrication when config read fails
  PCI: exynos: Drop error data fabrication when config read fails
  PCI: mediatek: Drop error data fabrication when config read fails
  PCI: iproc: Drop error data fabrication when config read fails
  PCI: thunder: Drop error data fabrication when config read fails
  PCI: Drop error data fabrication when config read fails
  PCI: Use PCI_SET_ERROR_RESPONSE() for disconnected devices
  PCI: Set error response data when config read fails
  PCI: Add PCI_ERROR_RESPONSE and related definitions
2022-01-13 09:57:52 -06:00
Bjorn Helgaas
da43f08db2 Merge branch 'pci/misc'
- Sort Intel Device IDs by value (Andy Shevchenko)

- Change Capability offsets to hex to match spec (Baruch Siach)

- Correct misspellings (Krzysztof Wilczyński)

- Terminate statement with semicolon in pci_endpoint_test.c (Ming Wang)

* pci/misc:
  misc: pci_endpoint_test: Terminate statement with semicolon
  PCI: Correct misspelled words
  PCI: Change capability register offsets to hex
  PCI: Sort Intel Device IDs by value
2022-01-13 09:57:52 -06:00
Bjorn Helgaas
2709f0338d Merge branch 'remotes/lorenzo/pci/bridge-emul'
- Make emulated ROM BAR read-only by default (Pali Rohár)

- Make some emulated legacy PCI bits read-only for PCIe devices (Pali
  Rohár)

- Update reserved bits in emulated PCIe Capability (Pali Rohár)

- Allow drivers to emulate different PCIe Capability versions (Pali Rohár)

- Set emulated Capabilities List bit for all PCIe devices, since they must
  have at least a PCIe Capability (Pali Rohár)

* remotes/lorenzo/pci/bridge-emul:
  PCI: pci-bridge-emul: Set PCI_STATUS_CAP_LIST for PCIe device
  PCI: pci-bridge-emul: Correctly set PCIe capabilities
  PCI: pci-bridge-emul: Fix definitions of reserved bits
  PCI: pci-bridge-emul: Properly mark reserved PCIe bits in PCI config space
  PCI: pci-bridge-emul: Make expansion ROM Base Address register read-only
2022-01-13 09:57:51 -06:00
Bjorn Helgaas
a99f501f3e Merge branch 'remotes/lorenzo/pci/xilinx-nwl'
- Declare bitmap correctly and as part of struct nwl_msi managed resource
  (Christophe JAILLET)

* remotes/lorenzo/pci/xilinx-nwl:
  PCI: xilinx-nwl: Simplify code and fix a memory leak
2022-01-13 09:57:51 -06:00
Bjorn Helgaas
18b026da34 Merge branch 'remotes/lorenzo/pci/xgene'
- Use bitmap ops for MSI allocator (Christophe JAILLET)

- Fix IB window setup, which was broken by the fact that IB resources are
  now sorted in address order instead of DT dma-ranges order (Rob Herring)

* remotes/lorenzo/pci/xgene:
  PCI: xgene: Fix IB window setup
  PCI: xgene-msi: Use bitmap_zalloc() when applicable
2022-01-13 09:57:51 -06:00
Bjorn Helgaas
ec5d85e7f0 Merge branch 'remotes/lorenzo/pci/vmd'
- Reset everything below VMD before enumerating to work around failure to
  enumerate NVMe devices when guest OS reboots (Nirmal Patel)

- Honor platform ACPI _OSC feature negotiation for Root Ports below VMD
  (Kai-Heng Feng)

- Add support for Raptor Lake SKUs (Karthik L Gopalakrishnan)

* remotes/lorenzo/pci/vmd:
  PCI: vmd: Add DID 8086:A77F for all Intel Raptor Lake SKU's
  PCI: vmd: Honor ACPI _OSC on PCIe features
  PCI: vmd: Clean up domain before enumeration
2022-01-13 09:57:50 -06:00
Bjorn Helgaas
4ceca42d39 Merge branch 'remotes/lorenzo/pci/rcar'
- Fix aarch32 abort handler so it doesn't check the wrong bus clock before
  accessing the host controller (Marek Vasut)

* remotes/lorenzo/pci/rcar:
  PCI: rcar: Check if device is runtime suspended instead of __clk_is_enabled()
2022-01-13 09:57:50 -06:00
Bjorn Helgaas
f0eb209fed Merge branch 'remotes/lorenzo/pci/qcom'
- Undo PM setup in qcom_pcie_probe() error handling path (Christophe
  JAILLET)

- Use __be16 type to store return value from cpu_to_be16() (Manivannan
  Sadhasivam)

- Constify static dw_pcie_ep_ops (Rikard Falkeborn)

* remotes/lorenzo/pci/qcom:
  PCI: qcom-ep: Constify static dw_pcie_ep_ops
  PCI: qcom: Use __be16 type to store return value from cpu_to_be16()
  PCI: qcom: Fix an error handling path in 'qcom_pcie_probe()'
2022-01-13 09:57:50 -06:00
Bjorn Helgaas
0de15dbbd6 Merge branch 'remotes/lorenzo/pci/mvebu'
- Implement pci_remap_iospace() for ARM so mvebu can use
  devm_pci_remap_iospace() instead of the previous ARM-specific
  pci_ioremap_io() interface (Pali Rohár)

- Use the standard pci_host_probe() instead of the device-specific
  mvebu_pci_host_probe() (Pali Rohár)

- Replace all uses of ARM-specific pci_ioremap_io() with the
  ARM implementation of the standard pci_remap_iospace() interface and
  remove pci_ioremap_io() (Pali Rohár)

- Skip initializing invalid Root Ports (Pali Rohár)

- Check for errors from pci_bridge_emul_init() (Pali Rohár)

- Ignore any bridges at non-zero function numbers (Pali Rohár)

- Return ~0 data for invalid config read size (Pali Rohár)

- Disallow mapping interrupts on emulated bridges (Pali Rohár)

- Clear Root Port Memory & I/O Space Enable and Bus Master Enable at
  initialization (Pali Rohár)

- Make type bits in Root Port I/O Base register read-only (Pali Rohár)

- Disable Root Port windows when base/limit set to invalid values (Pali
  Rohár)

- Set controller to Root Complex mode (Pali Rohár)

- Set Root Port Class Code to PCI Bridge (Pali Rohár)

- Update emulated Root Port secondary bus numbers to better reflect the
  actual topology (Pali Rohár)

- Add PCI_BRIDGE_CTL_BUS_RESET support to emulated Root Ports so
  pci_reset_secondary_bus() can reset connected devices (Pali Rohár)

- Add PCI_EXP_DEVCTL Error Reporting Enable support to emulated Root Ports
  (Pali Rohár)

- Add PCI_EXP_RTSTA PME Status bit support to emulated Root Ports (Pali
  Rohár)

- Add DEVCAP2, DEVCTL2 and LNKCTL2 support to emulated Root Ports on Armada
  XP and newer devices (Pali Rohár)

- Export mvebu-mbus.c symbols to allow pci-mvebu.c to be a module (Pali
  Rohár)

- Add support for compiling as a module (Pali Rohár)

* remotes/lorenzo/pci/mvebu:
  PCI: mvebu: Add support for compiling driver as module
  bus: mvebu-mbus: Export symbols for public API window functions
  PCI: mvebu: Fix support for DEVCAP2, DEVCTL2 and LNKCTL2 registers on emulated bridge
  PCI: mvebu: Fix support for PCI_EXP_RTSTA on emulated bridge
  PCI: mvebu: Fix support for PCI_EXP_DEVCTL on emulated bridge
  PCI: mvebu: Fix support for PCI_BRIDGE_CTL_BUS_RESET on emulated bridge
  PCI: mvebu: Fix configuring secondary bus of PCIe Root Port via emulated bridge
  PCI: mvebu: Set PCI Bridge Class Code to PCI Bridge
  PCI: mvebu: Setup PCIe controller to Root Complex mode
  PCI: mvebu: Propagate errors when updating PCI_IO_BASE and PCI_MEM_BASE registers
  PCI: mvebu: Do not modify PCI IO type bits in conf_write
  PCI: mvebu: Fix support for bus mastering and PCI_COMMAND on emulated bridge
  PCI: mvebu: Disallow mapping interrupts on emulated bridges
  PCI: mvebu: Handle invalid size of read config request
  PCI: mvebu: Check that PCI bridge specified in DT has function number zero
  PCI: mvebu: Check for errors from pci_bridge_emul_init() call
  PCI: mvebu: Check for valid ports
  arm: ioremap: Remove unused ARM-specific function pci_ioremap_io()
  arm: ioremap: Replace pci_ioremap_io() usage by pci_remap_iospace()
  PCI: mvebu: Remove custom mvebu_pci_host_probe() function
  PCI: mvebu: Replace pci_ioremap_io() usage by devm_pci_remap_iospace()
  arm: ioremap: Implement standard PCI function pci_remap_iospace()
2022-01-13 09:57:49 -06:00
Bjorn Helgaas
fc10f9d667 Merge branch 'pci/host/mt7621'
- Declare mt7621_pci_ops static (Sergio Paracuellos)

- Give pcibios_root_bridge_prepare() access to host bridge windows (Sergio
  Paracuellos)

- Move MIPS I/O coherency unit setup from driver to
  pcibios_root_bridge_prepare() (Sergio Paracuellos)

- Add missing MODULE_LICENSE() (Sergio Paracuellos)

- Allow COMPILE_TEST for all arches (Sergio Paracuellos)

* pci/host/mt7621:
  PCI: mt7621: Allow COMPILE_TEST for all arches
  PCI: mt7621: Add missing MODULE_LICENSE()
  PCI: mt7621: Move MIPS setup to pcibios_root_bridge_prepare()
  PCI: Let pcibios_root_bridge_prepare() access bridge->windows
  PCI: mt7621: Declare mt7621_pci_ops static
2022-01-13 09:57:49 -06:00
Bjorn Helgaas
96fe579384 Merge branch 'remotes/lorenzo/pci/mediatek-gen3'
- Disable Mediatek DVFSRC voltage request since lack of DVFSRC to respond
  to the request causes failure to exit L1 PM Substate (Jianjun Wang)

* remotes/lorenzo/pci/mediatek-gen3:
  PCI: mediatek-gen3: Disable DVFSRC voltage request
2022-01-13 09:57:48 -06:00
Bjorn Helgaas
fd785c64f3 Merge branch 'remotes/lorenzo/pci/mediatek'
- Assert PERST# for 100ms to allow power and clock to stabilize (qizhong
  cheng)

* remotes/lorenzo/pci/mediatek:
  PCI: mediatek: Assert PERST# for 100ms for power and clock to stabilize
2022-01-13 09:57:48 -06:00
Bjorn Helgaas
0dfa6f6e68 Merge branch 'remotes/lorenzo/pci/keystone'
- Add register offset for ti,syscon-pcie-id and ti,syscon-pcie-mode DT
  properties (Kishon Vijay Abraham I)

* remotes/lorenzo/pci/keystone:
  PCI: keystone: Use phandle argument from "ti,syscon-pcie-id"/"ti,syscon-pcie-mode"
  dt-bindings: PCI: ti,am65: Fix "ti,syscon-pcie-id"/"ti,syscon-pcie-mode" to take argument
2022-01-13 09:57:48 -06:00
Bjorn Helgaas
6553ff3dd9 Merge branch 'pci/host/hv'
- Add hv-internal interfaces to encapsulate arch IRQ dependencies (Sunil
  Muthuswamy)

- Add arm64 Hyper-V vPCI support (Sunil Muthuswamy)

* pci/host/hv:
  PCI: hv: Add arm64 Hyper-V vPCI support
  PCI: hv: Make the code arch neutral by adding arch specific interfaces
2022-01-13 09:57:47 -06:00
Bjorn Helgaas
28b75189f0 Merge branch 'remotes/lorenzo/pci/endpoint'
- Return failure from pci_epc_set_msi() if no interrupts are available (Li
  Chen)

* remotes/lorenzo/pci/endpoint:
  PCI: endpoint: Return -EINVAL when interrupts num is smaller than 1
2022-01-13 09:57:47 -06:00
Bjorn Helgaas
2948ce70e6 Merge branch 'remotes/lorenzo/pci/dwc'
- Don't ioremap NULL when DT lacks ATU resource (Tim Harvey)

- Drop redundant qcom-ep error message for platform_get_irq_byname()
  failure (Krzysztof Wilczyński)

- Add i.MX8MM support (Richard Zhu)

- Use DWC common ops instead of layerscape-specific link-up functions (Hou
  Zhiqiang)

* remotes/lorenzo/pci/dwc:
  PCI: layerscape: Change to use the DWC common link-up check function
  PCI: imx: Add the imx8mm pcie support
  dt-bindings: imx6q-pcie: Add PHY phandles and name properties
  PCI: qcom-ep: Remove surplus dev_err() when using platform_get_irq_byname()
  PCI: dwc: Do not remap invalid res
2022-01-13 09:57:47 -06:00
Bjorn Helgaas
c5f62d30e9 Merge branch 'pci/host/brcmstb'
- Declare bitmap correctly for use by bitmap interfaces (Christophe
  JAILLET)

- Clean up computation of legacy and non-legacy MSI bitmasks (Florian
  Fainelli)

- Update suspend/resume/remove error handling to warn about errors and not
  fail the operation (Jim Quinlan)

- Correct the "pcie" and "msi" interrupt descriptions in DT binding (Jim
  Quinlan)

- Add DT bindings for endpoint voltage regulators (Jim Quinlan)

- Split brcm_pcie_setup() into two functions (Jim Quinlan)

- Add mechanism for turning on voltage regulators for connected devices
  (Jim Quinlan)

- Turn voltage regulators for connected devices on/off when bus is added or
  removed (Jim Quinlan)

- When suspending, don't turn off voltage regulators for wakeup devices
  (Jim Quinlan)

* pci/host/brcmstb:
  PCI: brcmstb: Do not turn off WOL regulators on suspend
  PCI: brcmstb: Add control of subdevice voltage regulators
  PCI: brcmstb: Add mechanism to turn on subdev regulators
  PCI: brcmstb: Split brcm_pcie_setup() into two funcs
  dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
  dt-bindings: PCI: Correct brcmstb interrupts, interrupt-map.
  PCI: brcmstb: Fix function return value handling
  PCI: brcmstb: Do not use __GENMASK
  PCI: brcmstb: Declare 'used' as bitmap, not unsigned long
2022-01-13 09:57:46 -06:00
Bjorn Helgaas
3164f27b5f Merge branch 'remotes/lorenzo/pci/apple'
- Enable clock gating to save power (Hector Martin)

- Fix REFCLK1 enable/poll logic (Hector Martin)

* remotes/lorenzo/pci/apple:
  PCI: apple: Fix REFCLK1 enable/poll logic
  PCI: apple: Enable clock gating
2022-01-13 09:57:46 -06:00