932728 Commits

Author SHA1 Message Date
Mathieu Poirier
376ffdc044 remoteproc: stm32: Properly set co-processor state when attaching
Introduce the required mechanic to set the state of the M4 in order
to properly deal with scenarios where the co-processor has been
started by another entity.

Mainly based on the work published by Arnaud Pouliquen [1].

[1]. https://patchwork.kernel.org/project/linux-remoteproc/list/?series=239877

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-7-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:37 -07:00
Mathieu Poirier
9276536f45 remoteproc: stm32: Parse syscon that will manage M4 synchronisation
Get from the DT the syncon to probe the state of the remote processor
and the location of the resource table.

Mainly based on the work published by Arnaud Pouliquen [1].

[1]. https://patchwork.kernel.org/project/linux-remoteproc/list/?series=239877

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Loic Pallardy <loic.pallardy@st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-6-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:15 -07:00
Mathieu Poirier
95e32f868a remoteproc: stm32: Remove memory translation from DT parsing
Other than one has to be done after the other, there is no correlation
between memory translation and DT parsing.  As such move function
stm32_rproc_of_memory_translations() to stm32_rproc_probe() so that
stm32_rproc_parse_dt() can be extended to look for attach bindings
in a clean way.

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Loic Pallardy <loic.pallardy@st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-5-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:14 -07:00
Mathieu Poirier
8210fc873d remoteproc: stm32: Decouple rproc from DT parsing
Remove the remote processor from the process of parsing the device tree
since (1) there is no correlation between them and (2) to use the
information that was gathered to make a decision on whether to
synchronise with the M4 or not.

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-4-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:13 -07:00
Mathieu Poirier
b8631ab137 remoteproc: stm32: Request IRQ with platform device
Request IRQ with platform device rather than remote proc in order to
call stm32_rproc_parse_dt() before rproc_alloc().  That way we can
know whether we need to synchronise with the MCU or not.

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Loic Pallardy <loic.pallardy@st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-3-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:11 -07:00
Mathieu Poirier
7b9f18ca93 remoteproc: stm32: Decouple rproc from memory translation
Remove the remote processor from the process of parsing the memory
ranges since there is no correlation between them.

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Loic Pallardy <loic.pallardy@st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-2-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-17 17:34:07 -07:00
Mathieu Poirier
4a4dca1941 remoteproc: Properly handle firmware name when attaching
This patch prevents the firmware image name from being displayed when
the remoteproc core is attaching to a remote processor. This is needed
needed since there is no guarantee about the nature of the firmware
image that is loaded by the external entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-10-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:15 -07:00
Mathieu Poirier
4d3ebb3b99 remoteproc: Refactor function rproc_free_vring()
When function rproc_free_vring() clears the virtio device section
it does so on the cached resource table rather than the one
installed in the remote processor memory.  When a remote processor
has been booted by another entity there is no need to use a cached
table and as such, no need to clear the virtio device section in
it.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-9-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:13 -07:00
Mathieu Poirier
e3d2193959 remoteproc: Refactor function rproc_trigger_auto_boot()
Refactor function rproc_trigger_auto_boot() to properly deal
with scenarios where the remoteproc core needs to attach with a
remote processor that has already been booted by an external
entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-8-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:12 -07:00
Mathieu Poirier
0f9dc562b7 remoteproc: Refactor function rproc_boot()
Refactor function rproc_boot() to properly deal with scenarios
where the remoteproc core needs to attach with a remote
processor that has already been booted by an external entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-7-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:11 -07:00
Mathieu Poirier
88d3a13607 remoteproc: Introducing function rproc_validate()
Add a new function to assert the general health of the remote
processor before handing it to the remoteproc core.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-6-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:10 -07:00
Mathieu Poirier
fdf0e00ed6 remoteproc: Introducing function rproc_actuate()
Introduce function rproc_actuate() that provides the same
functionatlity as rproc_fw_boot(), but without the steps that
involve interaction with the firmware image.  That way we can
deal with scenarios where the remoteproc core is attaching
to a remote processor that has already been started by another
entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-5-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:09 -07:00
Mathieu Poirier
d848a4819d remoteproc: Introducing function rproc_attach()
Introducing function rproc_attach() to enact the same actions as
rproc_start(), but without the steps related to the handling of
a firmware image.  That way we can properly deal with scenarios
where the remoteproc core needs to attach with a remote processsor
that has been booted by another entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-4-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:08 -07:00
Mathieu Poirier
a6a4f28575 remoteproc: Add new attach() remoteproc operation
Add an new attach() operation in order to properly deal with
scenarios where the remoteproc core needs to attach to a
remote processor that has been booted by another entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-3-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:07 -07:00
Mathieu Poirier
e2e5c55eed remoteproc: Add new RPROC_DETACHED state
Add a new RPROC_DETACHED state to take into account scenarios
where the remoteproc core needs to attach to a remote processor
that is booted by another entity.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Link: https://lore.kernel.org/r/20200714195035.1426873-2-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 23:06:06 -07:00
Sibi Sankar
4e6751a1cf remoteproc: qcom_q6v5_mss: Monitor MSS_STATUS for boot completion
On secure devices there exists a race condition which could lock the MSS
CONFIG AHB bus thus preventing access to BOOT_STATUS register during SSR.
Switch to polling the MSS_STATUS register with an additional 10 us delay
to reliably track boot completion.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200716120514.21588-1-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 22:15:25 -07:00
Bjorn Andersson
90ec257c38 remoteproc: qcom: pil-info: Fix shift overflow
On platforms with 32-bit phys_addr_t the shift to get the upper word of
the base address of the memory region is invalid. Cast the base to 64
bit to resolv this.

Fixes: 549b67da660d ("remoteproc: qcom: Introduce helper to store pil info in IMEM")
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
Reported-by: Lee Jones <lee.jones@linaro.org>
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200716054817.157608-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-16 21:30:35 -07:00
Lee Jones
5b435ca38b remoteproc: qcom_sysmon: Solve function header bitrot issues
Looks as though 'name' has now been moved into 'struct sysmod_event'
which is passed in instead.  However, the parameter descriptions were
not updated at the same time.  Let's do that now.

Fixes the following W=1 kernel build warning(s):

 drivers/remoteproc/qcom_sysmon.c:78: warning: Function parameter or member 'event' not described in 'sysmon_send_event'
 drivers/remoteproc/qcom_sysmon.c:78: warning: Excess function parameter 'name' description in 'sysmon_send_event'
 drivers/remoteproc/qcom_sysmon.c:350: warning: Function parameter or member 'event' not described in 'ssctl_send_event'
 drivers/remoteproc/qcom_sysmon.c:350: warning: Excess function parameter 'name' description in 'ssctl_send_event'

Cc: Andy Gross <agross@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200715123551.4011154-2-lee.jones@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-15 12:18:20 -07:00
Lee Jones
7e05c8de13 remoteproc: remoteproc_core: Use 'gnu_printf' format notation
Fixes the following W=1 kernel build warning(s):

 drivers/remoteproc/remoteproc_core.c: In function ‘rproc_find_carveout_by_name’:
 drivers/remoteproc/remoteproc_core.c:257:2: warning: function ‘rproc_find_carveout_by_name’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 257 | vsnprintf(_name, sizeof(_name), name, args);
 | ^~~~~~~~~
 drivers/remoteproc/remoteproc_core.c: In function ‘rproc_mem_entry_init’:
 drivers/remoteproc/remoteproc_core.c:993:2: warning: function ‘rproc_mem_entry_init’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 993 | vsnprintf(mem->name, sizeof(mem->name), name, args);
 | ^~~~~~~~~
 drivers/remoteproc/remoteproc_core.c: In function ‘rproc_of_resm_mem_entry_init’:
 drivers/remoteproc/remoteproc_core.c:1029:2: warning: function ‘rproc_of_resm_mem_entry_init’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
 1029 | vsnprintf(mem->name, sizeof(mem->name), name, args);
 | ^~~~~~~~~

Cc: Brian Swetland <swetland@google.com>
Cc: Mark Grosen <mgrosen@ti.com>
Cc: Guzman Lugo <fernando.lugo@ti.com>
Cc: Suman Anna <s-anna@ti.com>
Cc: Robert Tivy <rtivy@ti.com>
Cc: De Leon <x0095078@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200715123551.4011154-1-lee.jones@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-15 12:18:18 -07:00
Kefeng Wang
0cf17702d8 remoteproc: qcom: Add missing slab.h
drivers/remoteproc/qcom_common.c: In function 'qcom_ssr_get_subsys':
drivers/remoteproc/qcom_common.c:210:9: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'?
[-Werror=implicit-function-declaration]
  info = kzalloc(sizeof(*info), GFP_KERNEL);
         ^~~~~~~
         vzalloc

kzalloc() is declared in linux/slab.h, add include to fix build issue.

Tested-by: Alex Elder <elder@linaro.org>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20200713020003.134039-1-wangkefeng.wang@huawei.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-13 11:54:27 -07:00
Rishabh Bhatnagar
62495d7784 remoteproc: qcom: Add notification types to SSR
The SSR subdevice only adds callback for the unprepare event. Add callbacks
for prepare, start and prepare events. The client driver for a particular
remoteproc might be interested in knowing the status of the remoteproc
while undergoing SSR, not just when the remoteproc has finished shutting
down.

Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/1592965408-16908-3-git-send-email-rishabhb@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-08 21:45:17 -07:00
Rishabh Bhatnagar
5abfe5cf0b remoteproc: qcom: Add per subsystem SSR notification
Currently there is a single notification chain which is called whenever any
remoteproc shuts down. This leads to all the listeners being notified, and
is not an optimal design as kernel drivers might only be interested in
listening to notifications from a particular remoteproc. Create a global
list of remoteproc notification info data structures. This will hold the
name and notifier_list information for a particular remoteproc. The API
to register for notifications will use name argument to retrieve the
notification info data structure and the notifier block will be added to
that data structure's notification chain. Also move from blocking notifier
to srcu notifer based implementation to support dynamic notifier head
creation.

Reviewed-by: Alex Elder <elder@linaro.org>
Co-developed-by: Siddharth Gupta <sidgup@codeaurora.org>
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/1592965408-16908-2-git-send-email-rishabhb@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-08 21:45:03 -07:00
Bjorn Andersson
d4c78d2167 remoteproc: qcom: Update PIL relocation info on load
Update the PIL relocation information in IMEM with information about
where the firmware for various remoteprocs are loaded.

Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200622191942.255460-4-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-01 22:10:19 -07:00
Bjorn Andersson
549b67da66 remoteproc: qcom: Introduce helper to store pil info in IMEM
A region in IMEM is used to communicate load addresses of remoteproc to
post mortem debug tools. Implement a helper function that can be used to
store this information in order to enable these tools to process
collected ramdumps.

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200622191942.255460-3-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-01 22:10:18 -07:00
Bjorn Andersson
87ad854dd7 dt-bindings: remoteproc: Add Qualcomm PIL info binding
Add a devicetree binding for the Qualcomm peripheral image loader
relocation information region found in the IMEM.

Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200622191942.255460-2-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-01 22:10:16 -07:00
Mathieu Poirier
49cff12568 Revert "remoteproc: Add support for runtime PM"
This reverts commit a99a37f6cd5a74d5b22c08544aa6c5890813c8ba.

Removing PM runtime operations from the remoteproc core in order to:

1) Keep all power management operations in platform drivers.  That way we
do not loose flexibility in an area that is very HW specific.

2) Avoid making the support for remote processor managed by external
entities more complex that it already is.

3) Fix regression introduced for the Omap remoteproc driver.

Acked-by: Suman Anna <s-anna@ti.com>
Tested-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200630163118.3830422-3-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-01 16:05:32 -07:00
Mathieu Poirier
4605ad8f45 remoteproc: ingenic: Move clock handling to prepare/unprepare callbacks
This patch moves clock related operations to the remoteproc prepare()
and unprepare() callbacks so that the PM runtime framework doesn't
have to be involved needlessly.  This provides a simpler approach and
requires less code.

Based on the work from Paul Cercueil published here:
https://lore.kernel.org/linux-remoteproc/20191116170846.67220-4-paul@crapouillou.net/

Reviewed-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200630163118.3830422-2-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2020-07-01 16:05:18 -07:00
Linus Torvalds
b3a9e3b962 Linux 5.8-rc1 v5.8-rc1 2020-06-14 12:45:04 -07:00
Linus Torvalds
4a87b197c1 Add additional LSM hooks for SafeSetID
SafeSetID is capable of making allow/deny decisions for set*uid calls
 on a system, and we want to add similar functionality for set*gid
 calls. The work to do that is not yet complete, so probably won't make
 it in for v5.8, but we are looking to get this simple patch in for
 v5.8 since we have it ready. We are planning on the rest of the work
 for extending the SafeSetID LSM being merged during the v5.9 merge
 window.
 
 This patch was sent to the security mailing list and there were no objections.
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Merge tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux

Pull SafeSetID update from Micah Morton:
 "Add additional LSM hooks for SafeSetID

  SafeSetID is capable of making allow/deny decisions for set*uid calls
  on a system, and we want to add similar functionality for set*gid
  calls.

  The work to do that is not yet complete, so probably won't make it in
  for v5.8, but we are looking to get this simple patch in for v5.8
  since we have it ready.

  We are planning on the rest of the work for extending the SafeSetID
  LSM being merged during the v5.9 merge window"

* tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux:
  security: Add LSM hooks to set*gid syscalls
2020-06-14 11:39:31 -07:00
Thomas Cedeno
39030e1351 security: Add LSM hooks to set*gid syscalls
The SafeSetID LSM uses the security_task_fix_setuid hook to filter
set*uid() syscalls according to its configured security policy. In
preparation for adding analagous support in the LSM for set*gid()
syscalls, we add the requisite hook here. Tested by putting print
statements in the security_task_fix_setgid hook and seeing them get hit
during kernel boot.

Signed-off-by: Thomas Cedeno <thomascedeno@google.com>
Signed-off-by: Micah Morton <mortonm@chromium.org>
2020-06-14 10:52:02 -07:00
Linus Torvalds
9d645db853 for-5.8-part2-tag
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Merge tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "This reverts the direct io port to iomap infrastructure of btrfs
  merged in the first pull request. We found problems in invalidate page
  that don't seem to be fixable as regressions or without changing iomap
  code that would not affect other filesystems.

  There are four reverts in total, but three of them are followup
  cleanups needed to revert a43a67a2d715 cleanly. The result is the
  buffer head based implementation of direct io.

  Reverts are not great, but under current circumstances I don't see
  better options"

* tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Revert "btrfs: switch to iomap_dio_rw() for dio"
  Revert "fs: remove dio_end_io()"
  Revert "btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK"
  Revert "btrfs: split btrfs_direct_IO to read and write part"
2020-06-14 09:47:25 -07:00
Linus Torvalds
96144c58ab Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix cfg80211 deadlock, from Johannes Berg.

 2) RXRPC fails to send norigications, from David Howells.

 3) MPTCP RM_ADDR parsing has an off by one pointer error, fix from
    Geliang Tang.

 4) Fix crash when using MSG_PEEK with sockmap, from Anny Hu.

 5) The ucc_geth driver needs __netdev_watchdog_up exported, from
    Valentin Longchamp.

 6) Fix hashtable memory leak in dccp, from Wang Hai.

 7) Fix how nexthops are marked as FDB nexthops, from David Ahern.

 8) Fix mptcp races between shutdown and recvmsg, from Paolo Abeni.

 9) Fix crashes in tipc_disc_rcv(), from Tuong Lien.

10) Fix link speed reporting in iavf driver, from Brett Creeley.

11) When a channel is used for XSK and then reused again later for XSK,
    we forget to clear out the relevant data structures in mlx5 which
    causes all kinds of problems. Fix from Maxim Mikityanskiy.

12) Fix memory leak in genetlink, from Cong Wang.

13) Disallow sockmap attachments to UDP sockets, it simply won't work.
    From Lorenz Bauer.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
  net: ethernet: ti: ale: fix allmulti for nu type ale
  net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init
  net: atm: Remove the error message according to the atomic context
  bpf: Undo internal BPF_PROBE_MEM in BPF insns dump
  libbpf: Support pre-initializing .bss global variables
  tools/bpftool: Fix skeleton codegen
  bpf: Fix memlock accounting for sock_hash
  bpf: sockmap: Don't attach programs to UDP sockets
  bpf: tcp: Recv() should return 0 when the peer socket is closed
  ibmvnic: Flush existing work items before device removal
  genetlink: clean up family attributes allocations
  net: ipa: header pad field only valid for AP->modem endpoint
  net: ipa: program upper nibbles of sequencer type
  net: ipa: fix modem LAN RX endpoint id
  net: ipa: program metadata mask differently
  ionic: add pcie_print_link_status
  rxrpc: Fix race between incoming ACK parser and retransmitter
  net/mlx5: E-Switch, Fix some error pointer dereferences
  net/mlx5: Don't fail driver on failure to create debugfs
  net/mlx5e: CT: Fix ipv6 nat header rewrite actions
  ...
2020-06-13 16:27:13 -07:00
David Sterba
55e20bd12a Revert "btrfs: switch to iomap_dio_rw() for dio"
This reverts commit a43a67a2d715540c1368b9501a22b0373b5874c0.

This patch reverts the main part of switching direct io implementation
to iomap infrastructure. There's a problem in invalidate page that
couldn't be solved as regression in this development cycle.

The problem occurs when buffered and direct io are mixed, and the ranges
overlap. Although this is not recommended, filesystems implement
measures or fallbacks to make it somehow work. In this case, fallback to
buffered IO would be an option for btrfs (this already happens when
direct io is done on compressed data), but the change would be needed in
the iomap code, bringing new semantics to other filesystems.

Another problem arises when again the buffered and direct ios are mixed,
invalidation fails, then -EIO is set on the mapping and fsync will fail,
though there's no real error.

There have been discussions how to fix that, but revert seems to be the
least intrusive option.

Link: https://lore.kernel.org/linux-btrfs/20200528192103.xm45qoxqmkw7i5yl@fiona/
Signed-off-by: David Sterba <dsterba@suse.com>
2020-06-14 01:19:02 +02:00
Grygorii Strashko
bc139119a1 net: ethernet: ti: ale: fix allmulti for nu type ale
On AM65xx MCU CPSW2G NUSS and 66AK2E/L NUSS allmulti setting does not allow
unregistered mcast packets to pass.

This happens, because ALE VLAN entries on these SoCs do not contain port
masks for reg/unreg mcast packets, but instead store indexes of
ALE_VLAN_MASK_MUXx_REG registers which intended for store port masks for
reg/unreg mcast packets.
This path was missed by commit 9d1f6447274f ("net: ethernet: ti: ale: fix
seeing unreg mcast packets with promisc and allmulti disabled").

Hence, fix it by taking into account ALE type in cpsw_ale_set_allmulti().

Fixes: 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:37:17 -07:00
Grygorii Strashko
2074f9eaa5 net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init
The ALE parameters structure is created on stack, so it has to be reset
before passing to cpsw_ale_create() to avoid garbage values.

Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:35:08 -07:00
David S. Miller
fa7566a0d6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:

====================
pull-request: bpf 2020-06-12

The following pull-request contains BPF updates for your *net* tree.

We've added 26 non-merge commits during the last 10 day(s) which contain
a total of 27 files changed, 348 insertions(+), 93 deletions(-).

The main changes are:

1) sock_hash accounting fix, from Andrey.

2) libbpf fix and probe_mem sanitizing, from Andrii.

3) sock_hash fixes, from Jakub.

4) devmap_val fix, from Jesper.

5) load_bytes_relative fix, from YiFei.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:28:08 -07:00
Liao Pingfang
bf97bac9dc net: atm: Remove the error message according to the atomic context
Looking into the context (atomic!) and the error message should be dropped.

Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-13 15:27:06 -07:00
Linus Torvalds
f82e7b57b5 12 cifs/smb3 fixes, 2 for stable. Adds support for idsfromsid on create and chgrp/chown. Improves query info (getattr) when posix extensions negotiated.
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Merge tag '5.8-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull more cifs updates from Steve French:
 "12 cifs/smb3 fixes, 2 for stable.

   - add support for idsfromsid on create and chgrp/chown allowing
     ability to save owner information more naturally for some workloads

   - improve query info (getattr) when SMB3.1.1 posix extensions are
     negotiated by using new query info level"

* tag '5.8-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: Add debug message for new file creation with idsfromsid mount option
  cifs: fix chown and chgrp when idsfromsid mount option enabled
  smb3: allow uid and gid owners to be set on create with idsfromsid mount option
  smb311: Add tracepoints for new compound posix query info
  smb311: add support for using info level for posix extensions query
  smb311: Add support for lookup with posix extensions query info
  smb311: Add support for SMB311 query info (non-compounded)
  SMB311: Add support for query info using posix extensions (level 100)
  smb3: add indatalen that can be a non-zero value to calculation of credit charge in smb2 ioctl
  smb3: fix typo in mount options displayed in /proc/mounts
  cifs: Add get_security_type_str function to return sec type.
  smb3: extend fscache mount volume coherency check
2020-06-13 13:43:56 -07:00
Linus Torvalds
4f9b3a3775 binderfs: add gitignore for generated sample program
Let's keep "git status" happy and quiet.

Fixes: 9762dc1432e1 ("samples: add binderfs sample program
Fixes: fca5e94921d5 ("samples: binderfs: really compile this sample and fix build issues")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:41:24 -07:00
Linus Torvalds
3e1ad4054b doc: don't use deprecated "---help---" markers in target docs
I'm not convinced the script makes useful automaed help lines anyway,
but since we're trying to deprecate the use of "---help---" in Kconfig
files, let's fix the doc example code too.

See commit a7f7f6248d97 ("treewide: replace '---help---' in Kconfig
files with 'help'")

Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:32:40 -07:00
Linus Torvalds
6adc19fd13 Kbuild updates for v5.8 (2nd)
- fix build rules in binderfs sample
 
  - fix build errors when Kbuild recurses to the top Makefile
 
  - covert '---help---' in Kconfig to 'help'
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Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - fix build rules in binderfs sample

 - fix build errors when Kbuild recurses to the top Makefile

 - covert '---help---' in Kconfig to 'help'

* tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  treewide: replace '---help---' in Kconfig files with 'help'
  kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
  samples: binderfs: really compile this sample and fix build issues
2020-06-13 13:29:16 -07:00
Linus Torvalds
3df83e164f SCSI misc on 20200613
This is the set of changes collected since just before the merge
 window opened.  It's mostly minor fixes in drivers.  The one
 non-driver set is the three optical disk (sr) changes where two are
 error path fixes and one is a helper conversion.  The big driver
 change is the hpsa compat_alloc_userspace rework by Al so he can kill
 the remaining user.  This has been tested and acked by the maintainer.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This is the set of changes collected since just before the merge
  window opened. It's mostly minor fixes in drivers.

  The one non-driver set is the three optical disk (sr) changes where
  two are error path fixes and one is a helper conversion.

  The big driver change is the hpsa compat_alloc_userspace rework by Al
  so he can kill the remaining user. This has been tested and acked by
  the maintainer"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (21 commits)
  scsi: acornscsi: Fix an error handling path in acornscsi_probe()
  scsi: storvsc: Remove memset before memory freeing in storvsc_suspend()
  scsi: cxlflash: Remove an unnecessary NULL check
  scsi: ibmvscsi: Don't send host info in adapter info MAD after LPM
  scsi: sr: Fix sr_probe() missing deallocate of device minor
  scsi: sr: Fix sr_probe() missing mutex_destroy
  scsi: st: Convert convert get_user_pages() --> pin_user_pages()
  scsi: target: Rename target_setup_cmd_from_cdb() to target_cmd_parse_cdb()
  scsi: target: Fix NULL pointer dereference
  scsi: target: Initialize LUN in transport_init_se_cmd()
  scsi: target: Factor out a new helper, target_cmd_init_cdb()
  scsi: hpsa: hpsa_ioctl(): Tidy up a bit
  scsi: hpsa: Get rid of compat_alloc_user_space()
  scsi: hpsa: Don't bother with vmalloc for BIG_IOCTL_Command_struct
  scsi: hpsa: Lift {BIG_,}IOCTL_Command_struct copy{in,out} into hpsa_ioctl()
  scsi: ufs: Remove redundant urgent_bkop_lvl initialization
  scsi: ufs: Don't update urgent bkops level when toggling auto bkops
  scsi: qedf: Remove redundant initialization of variable rc
  scsi: mpt3sas: Fix memset() in non-RDPQ mode
  scsi: iscsi: Fix reference count leak in iscsi_boot_create_kobj
  ...
2020-06-13 13:17:49 -07:00
Linus Torvalds
91fa58840a Merge branch 'i2c/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "I2C has quite some patches for you this time. I hope it is the move to
  per-driver-maintainers which is now showing results. We will see.

  The big news is two new drivers (Nuvoton NPCM and Qualcomm CCI),
  larger refactoring of the Designware, Tegra, and PXA drivers, the
  Cadence driver supports being a slave now, and there is support to
  instanciate SPD eeproms for well-known cases (which will be
  user-visible because the i801 driver supports it), and some
  devm_platform_ioremap_resource() conversions which blow up the
  diffstat.

  Note that I applied the Nuvoton driver quite late, so some minor fixup
  patches arrived during the merge window. I chose to apply them right
  away because they were trivial"

* 'i2c/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (109 commits)
  i2c: Drop stray comma in MODULE_AUTHOR statements
  i2c: npcm7xx: npcm_i2caddr[] can be static
  MAINTAINERS: npcm7xx: Add maintainer for Nuvoton NPCM BMC
  i2c: npcm7xx: Fix a couple of error codes in probe
  i2c: icy: Fix build with CONFIG_AMIGA_PCMCIA=n
  i2c: npcm7xx: Remove unnecessary parentheses
  i2c: npcm7xx: Add support for slave mode for Nuvoton
  i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver
  dt-bindings: i2c: npcm7xx: add NPCM I2C controller
  i2c: pxa: don't error out if there's no pinctrl
  i2c: add 'single-master' property to generic bindings
  i2c: designware: Add Baikal-T1 System I2C support
  i2c: designware: Move reg-space remapping into a dedicated function
  i2c: designware: Retrieve quirk flags as early as possible
  i2c: designware: Convert driver to using regmap API
  i2c: designware: Discard Cherry Trail model flag
  i2c: designware: Add Baytrail sem config DW I2C platform dependency
  i2c: designware: slave: Set DW I2C core module dependency
  i2c: designware: Use `-y` to build multi-object modules
  dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller
  ...
2020-06-13 13:12:38 -07:00
Linus Torvalds
ac911b3163 media updates for v5.8-rc1
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Merge tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull more media updates from Mauro Carvalho Chehab:

 - a set of atomisp patches. They remove several abstraction layers, and
   fixes clang and gcc warnings (that were hidden via some macros that
   were disabling 4 or 5 types of warnings there). There are also some
   important fixes and sensor auto-detection on newer BIOSes via ACPI
   _DCM tables.

 - some fixes

* tag 'media/v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (95 commits)
  media: rkvdec: Fix H264 scaling list order
  media: v4l2-ctrls: Unset correct HEVC loop filter flag
  media: videobuf2-dma-contig: fix bad kfree in vb2_dma_contig_clear_max_seg_size
  media: v4l2-subdev.rst: correct information about v4l2 events
  media: s5p-mfc: Properly handle dma_parms for the allocated devices
  media: medium: cec: Make MEDIA_CEC_SUPPORT default to n if !MEDIA_SUPPORT
  media: cedrus: Implement runtime PM
  media: cedrus: Program output format during each run
  media: atomisp: improve ACPI/DMI detection logs
  media: Revert "media: atomisp: add Asus Transform T101HA ACPI vars"
  media: Revert "media: atomisp: Add some ACPI detection info"
  media: atomisp: improve sensor detection code to use _DSM table
  media: atomisp: get rid of an iomem abstraction layer
  media: atomisp: get rid of a string_support.h abstraction layer
  media: atomisp: use strscpy() instead of less secure variants
  media: atomisp: set DFS to MAX if sensor doesn't report fps
  media: atomisp: use different dfs failed messages
  media: atomisp: change the detection of ISP2401 at runtime
  media: atomisp: use macros from intel-family.h
  media: atomisp: don't set hpll_freq twice with different values
  ...
2020-06-13 13:09:38 -07:00
Linus Torvalds
d74b15dbbb libnvdimm for 5.8
- Small collection of cleanups to rework usage of ->queuedata and the
   GUID api.
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Merge tag 'libnvdimm-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "Small collection of cleanups to rework usage of ->queuedata and the
  GUID api"

* tag 'libnvdimm-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm/pmem: stop using ->queuedata
  nvdimm/btt: stop using ->queuedata
  nvdimm/blk: stop using ->queuedata
  libnvdimm: Replace guid_copy() with import_guid() where it makes sense
2020-06-13 13:04:36 -07:00
Linus Torvalds
298ce0fd50 watch_queue: add gitignore for generated sample program
Let's keep "git status" happy and quiet.

Fixes: f5b5a164f9a1 ("Add sample notification program")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-13 13:00:54 -07:00
Linus Torvalds
593bd5e5d3 New code for 5.8:
- Fix an integer overflow problem in the unshare actor.
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Merge tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull iomap fix from Darrick Wong:
 "A single iomap bug fix for a variable type mistake on 32-bit
  architectures, fixing an integer overflow problem in the unshare
  actor"

* tag 'iomap-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  iomap: Fix unsharing of an extent >2GB on a 32-bit machine
2020-06-13 12:44:30 -07:00
Linus Torvalds
c555722768 Fixes for 5.8:
- Fix a resource leak on an error bailout.
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Merge tag 'xfs-5.8-merge-9' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fix from Darrick Wong:
 "We've settled down into the bugfix phase; this one fixes a resource
  leak on an error bailout path"

* tag 'xfs-5.8-merge-9' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: Add the missed xfs_perag_put() for xfs_ifree_cluster()
2020-06-13 12:40:24 -07:00
Linus Torvalds
61f3e825be 9p pull request for inclusion in 5.8
Only one commit - increase the size of the ring used for xen transport.
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Merge tag '9p-for-5.8' of git://github.com/martinetd/linux

Pull 9p update from Dominique Martinet:
 "Another very quiet cycle... Only one commit: increase the size of the
  ring used for xen transport"

* tag '9p-for-5.8' of git://github.com/martinetd/linux:
  9p/xen: increase XEN_9PFS_RING_ORDER
2020-06-13 12:38:57 -07:00
Linus Torvalds
08bf1a27c4 powerpc fixes for 5.8 #2
One fix for a recent change which broke nested KVM guests on Power9.
 
 Thanks to:
   Alexey Kardashevskiy.
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Merge tag 'powerpc-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:
 "One fix for a recent change which broke nested KVM guests on Power9.

  Thanks to Alexey Kardashevskiy"

* tag 'powerpc-5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  KVM: PPC: Fix nested guest RC bits update
2020-06-13 10:56:31 -07:00