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56,286 commits

Author SHA1 Message Date
Anas Nashif
d887e078f9 Revert "mmu: ensure gperf data is mapped"
This reverts commit e9bfd64110.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
0f24e09bcf Revert "arch: add CONFIG_DEMAND_PAGING"
This reverts commit 48cc63b4a3.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
65122b776a Revert "kernel: add demand paging arch interfaces"
This reverts commit b8ae437967.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
5d3a21ae61 Revert "demand_paging: add infra for demand paging modules"
This reverts commit 1c2bd343ff.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
cd0beca292 Revert "kernel: add demand paging internal interfaces"
This reverts commit 3e51a7a775.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
495c6c72ab Revert "kernel: add app-facing demand paging APIs"
This reverts commit d5b8fe16ad.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
752934b3c8 Revert "kernel: add demand paging implementation"
This reverts commit 2fe1fc53c8.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
6785d2a2dc Revert "tests: mem_map: pin test pages"
This reverts commit 24eb50d7f4.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
4f15aae65a Revert "demand_paging: add NRU algorithm"
This reverts commit 200ea42437.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
cadb201d1e Revert "demand_paging: add RAM-based demo backing store"
This reverts commit f8fd9932cd.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
adff757c72 Revert "x86: implement demand paging APIs"
This reverts commit 7711c9a82d.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
1d24758f95 Revert "qemu_x86_tiny: enable demand paging"
This reverts commit cd0a50d5c9.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
75ebe4c7bd Revert "mmu: pin the whole kernel"
This reverts commit a45486e1d5.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
cf34c9174a Revert "tests: add basic k_mem_map() test"
This reverts commit 0f8dc1c109.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
6e4b33e8a5 Revert "tests: add intial demand paging testcase"
This reverts commit 060462d5c6.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
f62ba9fe13 Revert "CODEOWNERS: add demand paging subdir"
This reverts commit 5f0a7201c7.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
c2c87c99c7 Revert "kernel: add z_num_pagefaults_get()"
This reverts commit d7e6bc3e84.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
fb4db2c0a8 Revert "tests: demand_paging: add more API tests"
This reverts commit 7370895c0e.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
5e978d237c Revert "mmu: backing stores reserve page fault room"
This reverts commit 7a642f81ab.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
43cd3d3fac Revert "tests: context: disable if DEMAND_PAGING"
This reverts commit 6af87480d0.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Anas Nashif
ef17f889dc Revert "mmu: promote public APIs"
This reverts commit 63fc93e21f.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-22 08:39:45 -05:00
Kumar Gala
7df2cad29a tests: devicetree: Fix compile errors with GPIO define
A number of HALs define GPIO so we get a conflict in error of the form:

   main.c:12: error: "GPIO" redefined [-Werror]

Fix this by rename the defines in the test to "TEST_".  So GPIO becomes
TEST_GPIO.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
2021-01-22 14:31:23 +01:00
Marcin Niestroj
956923f8e5 drivers: wifi: esp: schedule each RX packet on separate work
So far a dedicated FIFO was used for all RX packets, which was consumed
in single submitted work. This work was also responsible for closing
socket and notifying uppper network layers if some errors occurred
previously or socket was simply closed by peer. There is however a
potential race condition in scenario described below:

  esp_rx thread             | esp_workq thread
  --------------------------|-----------------------------
                            | ---- esp_recv_work ----
                            | handle RX packets from FIFO
                            |
  ---- on_cmd_ipd ----      |
  put new RX packet to FIFO |
  ---- on_cmd_ipd ----      |
                            |
  ---- on_cmd_closed ----   |
  mark socket as closed     |
  ---- on_cmd_closed ----   |
                            |
                            | handle close
                            | ---- esp_recv_work ----

In this case we assume that esp_workq was preempted just after
processing all RX packets from FIFO and before checking if socket was
closed. In such scenario RX packet put to FIFO just before doing close
is going to be unhandled, so application layer will miss part of the
data.

Change the way RX packets are scheduled to workqueue, by using the
already available net_pkt->work objects (used for example in native TCP
stack). Create a separate work for closing connection. As a result all
RX packets and close handlers are on the same queue and there is no risk
of handling close events before handling all previously received data.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
2021-01-22 12:02:10 +01:00
Marcin Niestroj
dca2fd8042 drivers: wifi: esp: flush socket work items in socket put
There might be some scheduled work related to socket currently requested
to be destroyed/closed. Schedule a dummy work to make sure all
previously running work items in workqueue are finished.

When talking about TX packets, this makes sure that all previously
scheduled data is actually sent (flushed) before closing socket.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
2021-01-22 12:02:10 +01:00
Marcin Niestroj
74e4f77fb4 drivers: wifi: esp: initialize per socket work structures only once
It is enough to initialize work structures once during driver init,
because work handlers do not change during driver lifetime.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
2021-01-22 12:02:10 +01:00
Marcin Niestroj
7067373797 drivers: wifi: esp: always use net_pkt->work for sending
Currently there are two code paths when sending packets:
asynchronous (using workqueue) when zero timeout was specified and
synchronous in other cases. This doesn't seem to be justified, so
convert code to always schedule packet sending using workqueue.

Each net_pkt has an embedded work item, so use it instead of esp socket
specific work that was shared across all sent packets. This gives a
possibility to schedule multiple packets for sending.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
2021-01-22 12:02:10 +01:00
Marcin Niestroj
90bb0847e4 drivers: wifi: esp: use context->send_cb and context->user_data
Callback and user data are saved in net_context structure. Those members
are used by native networking stack (net_if), so simply follow the same
pattern.

First of all this allows to reduce runtime information for driver socket
instance. Second and most important benefit is that it allows to move
send handling entirely to workqueue thread.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
2021-01-22 12:02:10 +01:00
Anas Nashif
c31ce55c58 timer: TICKLESS_CAPABLE is now without prompt
TICKLESS_CAPABLE is now selectable only and without prompt, so remove it
from _defconfig files and select it directly by the timer.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2021-01-21 22:51:19 -05:00
Daniel Leung
d3218ca515 debug: coredump: remove z_ prefix for stuff used outside subsys
This removes the z_ prefix those (functions, enums, etc.) that
are being used outside the coredump subsys. This aligns better
with the naming convention.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
c3669c045a tests: debug: add new coredump_backends
This adds a new coredump_backends test for coredump backends,
and currently tests both the logging and flash partition
backends.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
2b53f3ded2 debug: coredump: add new backend using flash partition
This adds another simple backend to use flash partition as
backing storage.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
6c569142ea debug: coredump: add shell commands for logging backend
This adds some shell commands to the logging backend. Since
this is a simple backend, only get/clear errors are
implemented.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
1dc813853a debug: coredump: add query and command APIs
This adds two new APIs to the coredump subsystem to perform
query and command. These can be used to query coredump subsys
for information, and to perform commands such as finding
out if there is a stored coredump.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
c4de586fbe debug: coredump: no need to track errors at frontend
The coredump frontend (mostly) consists of wrappers of backend
functions so there is really no need to track errors at
the frontend level. Let the backends deal with their own errors
and this simplifies the code a bit.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
236e7c7e33 debug: coredump: remove unused code
Originally there was a null backend but it was removed before
code was merged. However, some leftover code still refers to
this null backend. So remove the leftovers.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Daniel Leung
1387e7c7c2 scripts: coredump: fix crashing on non-existent memory region
get_mem_region() may return None for a non-existent memory region
so we need to check first before looking at its properties.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
2021-01-21 22:08:59 -05:00
Andy Ross
e932a1537c arch: tests: Document interrupt delivery behavior after arch_irq_disable()
Upcoming changes from Andrew that add a global timeout to the kernel
broke because of some voodoo behavior in the kernel/context test.  It
will use arch_irq_disable() on the timer interrupt directly to prevent
interrupts and measure timekeeping in their absence.  But some
architectures[1] don't reliably deliver interrupts that arrive, which
means that a running timeout that exists across this period will
result in a corrupt timeout queue.

Document that rule for architectures, move the offending test to the
end of the test suite (to minimize the chance of interacting with
other test code) and put a giant warning about the situation on it.
Long term, we may want to rework this test to do its job in other
ways.

[1] On x86, the interrupt disable happens at the IO-APIC level, while
interrupt latching and delivery is downstream in each CPU's Local
APIC.  An IO-APIC masked interrupt is completely invisible to the APIC
and can never be delivered once the line goes low.

Fixes #31333

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2021-01-21 17:50:01 -05:00
Martí Bolívar
e8f12344b0 doc: dts: improve 'get zephyr.dts' HOWTO
Tweak the language to try to be more clear in the HOWTO entry for
looking at a board's devicetree.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
2021-01-21 17:21:13 -05:00
Flavio Ceolin
c408765d70 timer: legacy_api: Fix a build dependency in legacy_api header
z_timer_idle_enter is declared only when CONFIG_TICKLESS_IDLE is
selected. This function is not implemented anywhere, but the only
driver including this header is not TICKLESS_CAPABLE. So, no undefined
reference will happen.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2021-01-21 17:20:32 -05:00
Flavio Ceolin
1dd2d414b8 kernel: build: Make TICKLESS_CAPABLE a hidden option
TICKLESS_CAPABLE is an option that has to be selected by the target.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2021-01-21 17:20:32 -05:00
Flavio Ceolin
d6d4a832a4 kernel: build: Make TICKLESS_KERNEL depends on TICKLESS_CAPABLE
Tickless kernel option depends on tickless capable being selected by
the target.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2021-01-21 17:20:32 -05:00
Flavio Ceolin
c2b2462e70 doc: build: Change a header position
The pre-build header was after its introduction paragraph.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2021-01-21 17:20:15 -05:00
Flavio Ceolin
2185c5b399 doc: build: Missing italic
Just using italic when referencing a script. Following this
documentation pattern.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
2021-01-21 17:20:15 -05:00
Armando Visconti
45d0508bdf drivers/sensor: iis2dlpc: Add multi-instance support
Make this driver multi-instance and use the new API.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
2021-01-21 16:49:55 -05:00
Andy Ross
8ccd506966 doc: Clean up docs on thread termination behavior
Discussion about how to re-spawn threads led to the discovery that our
documentation on exactly when that was legal was ambiguous and
confusing.  Rewrite it to be explicit.

Fixes #28970

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
2021-01-21 16:48:01 -05:00
Johann Fischer
ecc57a12a6 include: power: include missing header for slist
Include missing header for slist.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
2021-01-21 16:47:29 -05:00
Andrew Boie
63fc93e21f mmu: promote public APIs
These are application facing and are prefixed with k_.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2021-01-21 16:47:00 -05:00
Andrew Boie
6af87480d0 tests: context: disable if DEMAND_PAGING
Until #31333 is resolved, the periodic timer in the eviction
algorithm interacts with this test in such a way that the system
deadlocks.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2021-01-21 16:47:00 -05:00
Andrew Boie
7a642f81ab mmu: backing stores reserve page fault room
If we evict enough pages to completely fill the backing store,
through APIs like k_mem_map(), z_page_frame_evict(), or
z_mem_page_out(), this will produce a crash the next time we
try to handle a page fault.

The backing store now always reserves a free storage location
for actual page faults.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2021-01-21 16:47:00 -05:00
Andrew Boie
7370895c0e tests: demand_paging: add more API tests
Add remaining APIs in mem_manage.h even though not all have
been promoted to public (yet).

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2021-01-21 16:47:00 -05:00