Drop MODULE_ALIAS in favour of MODULE_DEVICE_TABLE as the module
alias should be dropped from there.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Link: https://lore.kernel.org/r/20231019090128.430297-3-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
VC04 has now a independent bus vchiq_bus to register its devices.
However, the module auto-loading for bcm2835-audio and bcm2835-camera
currently happens through MODULE_ALIAS() macro specified explicitly.
The correct way to auto-load a module, is when the alias is picked
out from MODULE_DEVICE_TABLE(). In order to get there, we need to
introduce vchiq_device_id and add relevant entries in file2alias.c
infrastructure so that aliases can be generated. This patch targets
adding vchiq_device_id and do_vchiq_entry, in order to
generate those alias using the /script/mod/file2alias.c.
Going forward the MODULE_ALIAS() from bcm2835-camera and bcm2835-audio
will be dropped, in favour of MODULE_DEVICE_TABLE being used there.
The alias format for vchiq_bus devices will be "vchiq:<dev_name>".
Adjust the vchiq_bus_uevent() to reflect that.
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Link: https://lore.kernel.org/r/20231019090128.430297-2-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As per device_register() documentation, this kfree() on error path will
crash. The call to put_device() is all that is needed here to free the
memory.
Fixes: 027e5703de ("staging: vc04_services: vchiq_arm: Add new bus type and device type")
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20231018055228.825524-1-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
No significant improvements have been done to this driver since commit
a7c3ddf29a ("staging: qlge: clean up debugging code in the QL_ALL_DUMP
ifdef land") in January 2021. The driver should not stay in staging
forever. Since it has been abandoned by the vendor and no one has stepped
up to maintain it, delete it.
If some users manifest themselves, the driver will be restored to
drivers/net/ as suggested in the linked message.
Link: https://lore.kernel.org/netdev/20231019074237.7ef255d7@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Cc: Manish Chopra <manishc@marvell.com>
Cc: Coiby Xu <coiby.xu@gmail.com>
Signed-off-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20231020124457.312449-3-benjamin.poirier@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Update TODO file to reflect the changes that have been done:
* multiple functions were renamed to have the "qlge_" prefix in commit
f8c047be54 ("staging: qlge: use qlge_* prefix to avoid namespace
clashes with other qlogic drivers")
* a redundant memset() was removed in commit 953b940093 ("staging: qlge:
Initialize devlink health dump framework")
* the loop boundary in ql(ge)_alloc_rx_buffers() was updated in commit
e4c911a73c ("staging: qlge: Remove rx_ring.type")
* pci_enable_msi() was replaced in commit 4eab532dca ("staging:
qlge/qlge_main.c: Replace depracated MSI API.")
* pci_dma_* were replaced in commit e955a071b9 ("staging: qlge: replace
deprecated apis pci_dma_*")
* the while loops were rewritten in commit 41e1bf811a ("Staging: qlge:
Rewrite two while loops as simple for loops")
* indentation was fixed in commit 0eb79fd1e9 ("staging: qlge: cleanup
indent in qlge_main.c")
I also slipped in one new TODO item, naughty me!
Signed-off-by: Benjamin Poirier <benjamin.poirier@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20231020124457.312449-2-benjamin.poirier@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is quite a large set of changes but mostly due to API cleanups and
in driver specific ways rather than due to anything subsystem wide.
Highlights include:
- Standardisation of API prefixes on snd_soc_, removing asoc_.
- GPIO API usage improvements.
- Support for HDA patches.
- Lots of work on SOF, including crash dump support.
- Support for AMD platforms with es83xx, Awinc AT87390, many Intel
platforms, many Mediatek platforms, Qualcomm SM6115, Richtek RTQ9128
and Texas Instruments TAS575x.
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Merge tag 'asoc-v6.7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v6.7
This is quite a large set of changes but mostly due to API cleanups and
in driver specific ways rather than due to anything subsystem wide.
Highlights include:
- Standardisation of API prefixes on snd_soc_, removing asoc_.
- GPIO API usage improvements.
- Support for HDA patches.
- Lots of work on SOF, including crash dump support.
- Support for AMD platforms with es83xx, Awinc AT87390, many Intel
platforms, many Mediatek platforms, Qualcomm SM6115, Richtek RTQ9128
and Texas Instruments TAS575x.
[ the merge conflicts around SOF Intel HD-audio and CS35L41 subcodec
drivers are resolved here -- tiwai ]
When a programming status desc is encountered on the rx_ring,
next_to_process is bumped along with cleaned_count but next_to_clean is
not. This causes I40E_DESC_UNUSED() macro to misbehave resulting in
overwriting whole ring with new buffers.
Update next_to_clean to point to next_to_process on seeing a programming
status desc if not in the middle of handling a multi-frag packet. Also,
bump cleaned_count only for such case as otherwise next_to_clean buffer
may be returned to hardware on reaching clean_threshold.
Fixes: e9031f2da1 ("i40e: introduce next_to_process to i40e_ring")
Suggested-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Reported-by: hq.dev+kernel@msdfc.xyz
Reported by: Solomon Peachy <pizza@shaftnet.org>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217678
Tested-by: hq.dev+kernel@msdfc.xyz
Tested by: Indrek Järve <incx@dustbite.net>
Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@intel.com>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Link: https://lore.kernel.org/r/20231019203852.3663665-1-jacob.e.keller@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The 'ethtool_convert_link_mode_to_legacy_u32' method does not allow us to
advertise 2500M speed support and TP (twisted pair) properly. Convert to
'ethtool_link_ksettings_test_link_mode' to advertise supported speed and
eliminate ambiguity.
Fixes: 8c5ad0dae9 ("igc: Add ethtool support")
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Suggested-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231019203641.3661960-1-jacob.e.keller@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect chinfo.name to be NUL-terminated based on its use with format
strings and sprintf:
rpmsg/rpmsg_char.c
165: dev_err(dev, "failed to open %s\n", eptdev->chinfo.name);
368: return sprintf(buf, "%s\n", eptdev->chinfo.name);
... and with strcmp():
| static struct rpmsg_endpoint *qcom_glink_create_ept(struct rpmsg_device *rpdev,
| rpmsg_rx_cb_t cb,
| void *priv,
| struct rpmsg_channel_info
| chinfo)
| ...
| const char *name = chinfo.name;
| ...
| if (!strcmp(channel->name, name))
Since chinfo is initialized as such (just above the strscpy()):
| struct rpmsg_channel_info chinfo = {
| .src = rpwwan->rpdev->src,
| .dst = RPMSG_ADDR_ANY,
| };
... we know other members are zero-initialized. This means no
NUL-padding is required (as any NUL-byte assignments are redundant).
Considering the above, a suitable replacement is `strscpy` due to the
fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://github.com/KSPP/linux/issues/90
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20231019-strncpy-drivers-net-wwan-rpmsg_wwan_ctrl-c-v2-1-ecf9b5a39430@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
1) tbl->gc_thresh1, tbl->gc_thresh2, tbl->gc_thresh3 and tbl->gc_interval
can be written from sysfs.
2) tbl->last_flush is read locklessly from neigh_alloc()
3) tbl->proxy_queue.qlen is read locklessly from neightbl_fill_info()
4) neightbl_fill_info() reads cpu stats that can be changed concurrently.
Fixes: c7fb64db00 ("[NETLINK]: Neighbour table configuration and statistics via rtnetlink")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231019122104.1448310-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Under memory stress conditions, tcp_sendmsg_locked()
might call sk_stream_wait_memory(), thus releasing the socket lock.
If a fresh skb has been allocated prior to this,
we should not leave it in the write queue otherwise
tcp_write_xmit() could panic.
This apparently does not happen often, but a future change
in __sk_mem_raise_allocated() that Shakeel and others are
considering would increase chances of being hurt.
Under discussion is to remove this controversial part:
/* Fail only if socket is _under_ its sndbuf.
* In this case we cannot block, so that we have to fail.
*/
if (sk->sk_wmem_queued + size >= sk->sk_sndbuf) {
/* Force charge with __GFP_NOFAIL */
if (memcg_charge && !charged) {
mem_cgroup_charge_skmem(sk->sk_memcg, amt,
gfp_memcg_charge() | __GFP_NOFAIL);
}
return 1;
}
Fixes: fdfc5c8594 ("tcp: remove empty skb from write queue in error cases")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Link: https://lore.kernel.org/r/20231019112457.1190114-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
check the value of 'ret' after call 'devlink_info_version_stored_put'.
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20231019083351.1526484-1-suhui@nfschina.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Inexact, we may reject some not-overflowing values incorrectly, but
they'll be on the order of exabytes allowed anyways.
This fixes divide error crash on x86 if bps_limit is not configured or
is set too high in the rare case that jiffy_elapsed is greater than HZ.
Fixes: e8368b57c0 ("blk-throttle: use calculate_io/bytes_allowed() for throtl_trim_slice()")
Fixes: 8d6bbaada2 ("blk-throttle: prevent overflow while calculating wait time")
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20231020223617.2739774-1-khazhy@google.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231009172923.2457844-19-robh@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect ac->name to be NUL-terminated based on its usage with format
strings:
surface_charger.c:
190: ac->psy_desc.name = ac->name;
...
power_supply_core.c:
174: dev_dbg(&psy->dev, "%s: Found supply : %s\n",
175: psy->desc->name, epsy->desc->name);
Moreover, NUL-padding is not required as ac is already zero-allocated
before being passed to spwr_ac_init():
surface_charger.c:
240: ac = devm_kzalloc(&sdev->dev, sizeof(*ac), GFP_KERNEL);
241: if (!ac)
242: return -ENOMEM;
243:
244: spwr_ac_init(ac, sdev, p->registry, p->name);
... this means any future NUL-byte assignments (like the ones that
strncpy() does) are redundant.
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Let's also opt for the more idiomatic strscpy() usage of:
(dest, src, sizeof(dest))
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20231020-strncpy-drivers-power-supply-surface_charger-c-v1-1-93ddbf668e10@google.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect bat->name to be NUL-terminated based on its usage with
strcmp():
power_supply_core.c:
445: return strcmp(psy->desc->name, name) == 0;
... and also by the manual `... - 1` for the length argument of the
original strncpy() invocation.
Furthermore, no NUL-padding is needed as bat is zero-allocated before
calling spwr_battery_init():
826: bat = devm_kzalloc(&sdev->dev, sizeof(*bat), GFP_KERNEL);
827: if (!bat)
828: return -ENOMEM;
829:
830: spwr_battery_init(bat, sdev, p->registry, p->name);
... this means any further NUL-byte assignments (like the ones that
strncpy() does) are redundant.
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Let's also opt to use the more idiomatic strscpy() usage of:
(dest, src, sizeof(dest)).
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20231020-strncpy-drivers-power-supply-surface_battery-c-v2-1-29ed16b2caf1@google.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect cm->psy_name_buf to be NUL-terminated based on its usage with
format strings:
1522: cm->charger_psy_desc.name = cm->psy_name_buf;
...
1587: dev_err(&pdev->dev, "Cannot register charger-manager with name \"%s\"\n",
1587: cm->charger_psy_desc.name);
Moreover, NUL-padding is not required as `cm` is already zero-allocated
and thus any future NUL-byte assignments (like what strncpy() will do)
are redundant:
1437: cm = devm_kzalloc(&pdev->dev, sizeof(*cm), GFP_KERNEL);
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Let's also opt for the more idiomatic strscpy() usage of:
strscpy(dest, src, sizeof(dest)).
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20231020-strncpy-drivers-power-supply-charger-manager-c-v1-1-698f73bcad2a@google.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect bq2515x->model_name to be NUL-terminated based on its usage with
sysfs_emit and format strings:
val->strval is assigned to bq2515x->model_name in
bq2515x_mains_get_property():
| val->strval = bq2515x->model_name;
... then in power_supply_sysfs.c we use value.strval with a format string:
| ret = sysfs_emit(buf, "%s\n", value.strval);
we assigned value.strval via:
| ret = power_supply_get_property(psy, psp, &value);
... which invokes psy->desc->get_property():
| return psy->desc->get_property(psy, psp, val);
with bq2515x_mains_get_property():
| static const struct power_supply_desc bq2515x_mains_desc = {
...
| .get_property = bq2515x_mains_get_property,
Moreover, no NUL-padding is required as bq2515x is zero-allocated in
bq2515x_charger.c:
| bq2515x = devm_kzalloc(dev, sizeof(*bq2515x), GFP_KERNEL);
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Let's also opt to use the more idiomatic strscpy() usage of (dest, src,
sizeof(dest)) as this more closely ties the destination buffer and the
length.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Similar-to: https://lore.kernel.org/all/20231020-strncpy-drivers-power-supply-bq24190_charger-c-v1-1-e896223cb795@google.com/
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20231020-strncpy-drivers-power-supply-bq2515x_charger-c-v1-1-46664c6edf78@google.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
strncpy() is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect bdi->model_name to be NUL-terminated based on its usage with
sysfs_emit and format strings:
val->strval is assigned to bdi->model_name in
bq24190_charger_get_property():
1186 | val->strval = bdi->model_name;
... then in power_supply_sysfs.c we use value.strval with a format string:
311 | ret = sysfs_emit(buf, "%s\n", value.strval);
we assigned value.strval via:
285 | ret = power_supply_get_property(psy, psp, &value);
... which invokes psy->desc->get_property():
1210 | return psy->desc->get_property(psy, psp, val);
with bq24190_charger_get_property():
1320 | static const struct power_supply_desc bq24190_charger_desc = {
...
1325 | .get_property = bq24190_charger_get_property,
Moreover, no NUL-padding is required as bdi is zero-allocated in
bq24190_charger.c:
1798 | bdi = devm_kzalloc(dev, sizeof(*bdi), GFP_KERNEL);
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20231020-strncpy-drivers-power-supply-bq24190_charger-c-v1-1-e896223cb795@google.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are present was
incorrectly deleted when removing the BPF event in 'perf trace', put it back
as it is also used by tools/bpf/bpftool, that uses llvm routines to do
disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making sure that
it is only used to pair a previous addr_location__init() call.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are
present was incorrectly deleted when removing the BPF event in 'perf
trace', put it back as it is also used by tools/bpf/bpftool, that
uses llvm routines to do disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making
sure that it is only used to pair a previous addr_location__init()
call.
* tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools build: Fix llvm feature detection, still used by bpftool
perf dlfilter: Add a test for object_code()
perf dlfilter: Fix use of addr_location__exit() in dlfilter__object_code()
perf pmu: Fix perf stat output with correct scale and unit
This Kselftest update for Linux 6.6-rc7 consists of one single fix
to assert check in user_events abi_test to properly check bit value
on Big Endian architectures. The current code treats the bit values
as Little Endian and the check fails on Big Endian.
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Merge tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"One single fix to assert check in user_events abi_test to properly
check bit value on Big Endian architectures. The code treated the bit
values as Little Endian and the check failed on Big Endian"
* tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix abi_test for BE archs
Hou Tao says:
====================
bpf: Fixes for per-cpu kptr
From: Hou Tao <houtao1@huawei.com>
Hi,
The patchset aims to fix the problems found in the review of per-cpu
kptr patch-set [0]. Patch #1 moves pcpu_lock after the invocation of
pcpu_chunk_addr_search() and it is a micro-optimization for
free_percpu(). The reason includes it in the patch is that the same
logic is used in newly-added API pcpu_alloc_size(). Patch #2 introduces
pcpu_alloc_size() for dynamic per-cpu area. Patch #2 and #3 use
pcpu_alloc_size() to check whether or not unit_size matches with the
size of underlying per-cpu area and to select a matching bpf_mem_cache.
Patch #4 fixes the freeing of per-cpu kptr when these kptrs are freed by
map destruction. The last patch adds test cases for these problems.
Please see individual patches for details. And comments are always
welcome.
Change Log:
v3:
* rebased on bpf-next
* patch 2: update API document to note that pcpu_alloc_size() doesn't
support statically allocated per-cpu area. (Dennis)
* patch 1 & 2: add Acked-by from Dennis
v2: https://lore.kernel.org/bpf/20231018113343.2446300-1-houtao@huaweicloud.com/
* add a new patch "don't acquire pcpu_lock for pcpu_chunk_addr_search()"
* patch 2: change type of bit_off and end to unsigned long (Andrew)
* patch 2: rename the new API as pcpu_alloc_size and follow 80-column convention (Dennis)
* patch 5: move the common declaration into bpf.h (Stanislav, Alxei)
v1: https://lore.kernel.org/bpf/20231007135106.3031284-1-houtao@huaweicloud.com/
[0]: https://lore.kernel.org/bpf/20230827152729.1995219-1-yonghong.song@linux.dev
====================
Link: https://lore.kernel.org/r/20231020133202.4043247-1-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Add the following 3 test cases for bpf memory allocator:
1) Do allocation in bpf program and free through map free
2) Do batch per-cpu allocation and per-cpu free in bpf program
3) Do per-cpu allocation in bpf program and free through map free
For per-cpu allocation, because per-cpu allocation can not refill timely
sometimes, so test 2) and test 3) consider it is OK for
bpf_percpu_obj_new_impl() to return NULL.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231020133202.4043247-8-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The following warning was reported when running "./test_progs -t
test_bpf_ma/percpu_free_through_map_free":
------------[ cut here ]------------
WARNING: CPU: 1 PID: 68 at kernel/bpf/memalloc.c:342
CPU: 1 PID: 68 Comm: kworker/u16:2 Not tainted 6.6.0-rc2+ #222
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
Workqueue: events_unbound bpf_map_free_deferred
RIP: 0010:bpf_mem_refill+0x21c/0x2a0
......
Call Trace:
<IRQ>
? bpf_mem_refill+0x21c/0x2a0
irq_work_single+0x27/0x70
irq_work_run_list+0x2a/0x40
irq_work_run+0x18/0x40
__sysvec_irq_work+0x1c/0xc0
sysvec_irq_work+0x73/0x90
</IRQ>
<TASK>
asm_sysvec_irq_work+0x1b/0x20
RIP: 0010:unit_free+0x50/0x80
......
bpf_mem_free+0x46/0x60
__bpf_obj_drop_impl+0x40/0x90
bpf_obj_free_fields+0x17d/0x1a0
array_map_free+0x6b/0x170
bpf_map_free_deferred+0x54/0xa0
process_scheduled_works+0xba/0x370
worker_thread+0x16d/0x2e0
kthread+0x105/0x140
ret_from_fork+0x39/0x60
ret_from_fork_asm+0x1b/0x30
</TASK>
---[ end trace 0000000000000000 ]---
The reason is simple: __bpf_obj_drop_impl() does not know the freeing
field is a per-cpu pointer and it uses bpf_global_ma to free the
pointer. Because bpf_global_ma is not a per-cpu allocator, so ksize() is
used to select the corresponding cache. The bpf_mem_cache with 16-bytes
unit_size will always be selected to do the unmatched free and it will
trigger the warning in free_bulk() eventually.
Because per-cpu kptr doesn't support list or rb-tree now, so fix the
problem by only checking whether or not the type of kptr is per-cpu in
bpf_obj_free_fields(), and using bpf_global_percpu_ma to these kptrs.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231020133202.4043247-7-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
For bpf_global_percpu_ma, the pointer passed to bpf_mem_free_rcu() is
allocated by kmalloc() and its size is fixed (16-bytes on x86-64). So
no matter which cache allocates the dynamic per-cpu area, on x86-64
cache[2] will always be used to free the per-cpu area.
Fix the unbalance by checking whether the bpf memory allocator is
per-cpu or not and use pcpu_alloc_size() instead of ksize() to
find the correct cache for per-cpu free.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231020133202.4043247-5-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
With pcpu_alloc_size() in place, check whether or not the size of
the dynamic per-cpu area is matched with unit_size.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231020133202.4043247-4-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Introduce pcpu_alloc_size() to get the size of the dynamic per-cpu
area. It will be used by bpf memory allocator in the following patches.
BPF memory allocator maintains per-cpu area caches for multiple area
sizes and its free API only has the to-be-freed per-cpu pointer, so it
needs the size of dynamic per-cpu area to select the corresponding cache
when bpf program frees the dynamic per-cpu pointer.
Acked-by: Dennis Zhou <dennis@kernel.org>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20231020133202.4043247-3-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Stable Fix:
* Fix a pNFS hang in nfs4_evict_inode()
Bugfixes:
* Force update of suid/sgid bits after an NFS v4.2 ALLOCATE op
* Fix a potential oops in nfs_inode_remove_request()
* Check the validity of the layout pointer in ff_layout_mirror_prepare_stats()
* Fix incorrectly marking the pNFS MDS with USE_PNFS_DS in some cases
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Merge tag 'nfs-for-6.6-4' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fix:
- Fix a pNFS hang in nfs4_evict_inode()
Fixes:
- Force update of suid/sgid bits after an NFS v4.2 ALLOCATE op
- Fix a potential oops in nfs_inode_remove_request()
- Check the validity of the layout pointer in ff_layout_mirror_prepare_stats()
- Fix incorrectly marking the pNFS MDS with USE_PNFS_DS in some cases"
* tag 'nfs-for-6.6-4' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4.1: fixup use EXCHGID4_FLAG_USE_PNFS_DS for DS server
pNFS/flexfiles: Check the layout validity in ff_layout_mirror_prepare_stats
pNFS: Fix a hang in nfs4_evict_inode()
NFS: Fix potential oops in nfs_inode_remove_request()
nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
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Merge tag 'fsnotify_for_v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fanotify fix from Jan Kara:
"Disable superblock / mount marks for filesystems that can encode file
handles but not open them (currently only overlayfs).
It is not clear the functionality is useful in any way so let's better
disable it before someone comes up with some creative misuse"
* tag 'fsnotify_for_v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: limit reporting of event with non-decodeable file handles
The comment for seq_buf_has_overflowed() says that an overflow condition is
marked by len == size, but that's not what the code is testing. Make the
comment match reality.
Link: https://lkml.kernel.org/r/87pm19kp0m.fsf@meer.lwn.net
Fixes: 8cd709ae76 ("tracing: Have seq_buf use full buffer")
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
- Fix ACPI initialization ordering on ARM that was changed incorrectly
during the 6.5 development cycle (Hanjun Guo).
- Make acpi_register_gsi() return an error code as appropriate when
irq_create_fwspec_mapping() returns 0 on failure (Sunil V L).
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Merge tag 'acpi-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix the ACPI initialization ordering on ARM and ACPI IRQ
management in the cases when irq_create_fwspec_mapping() fails.
Specifics:
- Fix ACPI initialization ordering on ARM that was changed
incorrectly during the 6.5 development cycle (Hanjun Guo)
- Make acpi_register_gsi() return an error code as appropriate when
irq_create_fwspec_mapping() returns 0 on failure (Sunil V L)"
* tag 'acpi-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: bus: Move acpi_arm_init() to the place of after acpi_ghes_init()
ACPI: irq: Fix incorrect return value in acpi_register_gsi()
Two small fixes, both in drivers. The mptsas one is really fixing an
error path issue where it can leave the misc driver loaded even though
the sas driver fails to initialize.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two small fixes, both in drivers.
The mptsas one is really fixing an error path issue where it can leave
the misc driver loaded even though the sas driver fails to initialize"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix double free of dsd_list during driver load
scsi: mpt3sas: Fix in error path
- Concurrent register updates in the Qualcomm LPASS pin
controller gets a proper lock.
- We revert a mutex fix that was causing problems: contention
on the mutex or something of the sort lead to probe
reordering and MMC block devices start to register in
a different order, which unsuspecting userspace is not
ready to handle.
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Merge tag 'pinctrl-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Concurrent register updates in the Qualcomm LPASS pin controller gets
a proper lock.
- revert a mutex fix that was causing problems: contention on the mutex
or something of the sort lead to probe reordering and MMC block
devices start to register in a different order, which unsuspecting
userspace is not ready to handle
* tag 'pinctrl-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
Revert "pinctrl: avoid unsafe code pattern in find_pinctrl()"
pinctrl: qcom: lpass-lpi: fix concurrent register updates
with devices not supporting it. There was two bug reports about
this. Aside, 3 drivers (pl353, arasan and marvell) could sometimes hide
page program failures due to their their own program page helper not
being fully compliant with the specification (many drivers use the
default helpers shared by the core). Adding a missing check prevents
these situation. Finally, the Qualcomm driver had a broken error path.
In the SPI-NAND subsystem one Micron device used a wrong bitmak
reporting possibly corrupted ECC status.
Finally, the physmap-core got stripped from its map_rom fallback by
mistake, this feature is added back.
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Merge tag 'mtd/fixes-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fixes from Miquel Raynal:
"In the raw NAND subsystem, the major fix prevents using cached reads
with devices not supporting it. There was two bug reports about this.
Apart from that, three drivers (pl353, arasan and marvell) could
sometimes hide page program failures due to their their own program
page helper not being fully compliant with the specification (many
drivers use the default helpers shared by the core). Adding a missing
check prevents these situation.
Finally, the Qualcomm driver had a broken error path.
In the SPI-NAND subsystem one Micron device used a wrong bitmak
reporting possibly corrupted ECC status.
Finally, the physmap-core got stripped from its map_rom fallback by
mistake, this feature is added back"
* tag 'mtd/fixes-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: Ensure the nand chip supports cached reads
mtd: rawnand: qcom: Unmap the right resource upon probe failure
mtd: rawnand: pl353: Ensure program page operations are successful
mtd: rawnand: arasan: Ensure program page operations are successful
mtd: spinand: micron: correct bitmask for ecc status
mtd: physmap-core: Restore map_rom fallback
mtd: rawnand: marvell: Ensure program page operations are successful
- Capture correct oemid-bits for eMMC cards
- Fix error propagation for some ioctl commands
- Hold retuning if SDIO is in 1-bit mode
MMC host:
- mtk-sd: Use readl_poll_timeout_atomic to not "schedule while atomic"
- sdhci-msm: Correct minimum number of clocks
- sdhci-pci-gli: Fix LPM negotiation so x86/S0ix SoCs can suspend
- sdhci-sprd: Fix error code in sdhci_sprd_tuning()
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Merge tag 'mmc-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Capture correct oemid-bits for eMMC cards
- Fix error propagation for some ioctl commands
- Hold retuning if SDIO is in 1-bit mode
MMC host:
- mtk-sd: Use readl_poll_timeout_atomic to not "schedule while atomic"
- sdhci-msm: Correct minimum number of clocks
- sdhci-pci-gli: Fix LPM negotiation so x86/S0ix SoCs can suspend
- sdhci-sprd: Fix error code in sdhci_sprd_tuning()"
* tag 'mmc-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Capture correct oemid-bits for eMMC cards
mmc: mtk-sd: Use readl_poll_timeout_atomic in msdc_reset_hw
mmc: core: Fix error propagation for some ioctl commands
mmc: sdhci-sprd: Fix error code in sdhci_sprd_tuning()
mmc: sdhci-pci-gli: fix LPM negotiation so x86/S0ix SoCs can suspend
mmc: core: sdio: hold retuning if sdio in 1-bit mode
dt-bindings: mmc: sdhci-msm: correct minimum number of clocks
This commit is the last part of the fix that reduces the stack size in
the DML2 code.
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Chaitanya Dhere <chaitanya.dhere@amd.com>
Fixes: 7966f319c6 ("drm/amd/display: Introduce DML2")
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
When compiling with allmodconfig, gcc highlights the following error:
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c: In function 'dml_core_mode_support':
drivers/gpu/drm/amd/amdgpu/../display/dc/dml2/display_mode_core.c:8229:1: error: the frame size of 2736 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]
8229 | } // dml_core_mode_support
| ^
cc1: all warnings being treated as errors
This commit mitigates part of this problem by extracting the prefetch
code to its own function. After applying this commit, the stack size
reduces from 2736 to 2464, however, the stack size issue becomes part of
the new function.
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Roman Li <roman.li@amd.com>
Cc: Chaitanya Dhere <chaitanya.dhere@amd.com>
Fixes: 7966f319c6 ("drm/amd/display: Introduce DML2")
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Split SVM ranges that have been mapped into 2MB page table entries,
require to be remap in case the split has happened in a non-aligned
VA.
[WHY]:
This condition causes the 2MB page table entries be split into 4KB
PTEs.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Even if there's nothing currently parsing amdgpu's coredump files, if
we eventually have such tools they will be glad to find a version field
to properly read the file.
Create a version number to be displayed on top of coredump file, to be
incremented when the file format or content get changed.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Giving that we use codedump just for device resets, move it's functions
and structs to a more semantic file, the amdgpu_reset.{c, h}.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Reviewed-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
To better organize struct amdgpu_device, keep all reset information
related fields together in a separated struct.
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Reviewed-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
XGMI TA will set the capability flag to indicate whether the port_num
info is supported or not. KGD checks the flag and accordingly picks up
the right buffer format and send the right command to TA to retrieve
the info.
v2: simplify the code by reusing the same statement (lijo)
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Acked-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Per the xgmi ta implementation, KGD needs to fill in node_ids
in concern into the shared command output buffer rather than the
command input buffer.
Input buffer is not used for GET_PEER_LINKS command execution.
In this way, xgmi ta can reuse the node info in the output buffer
just filled in and populate the same buffer with link info directly.
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
PMFW will be responsible for them.
v2: remove query interfaces.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Update the header file to the v20.00.00.13
v1: rename TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO to
TA_COMMAND_XGMI__GET_TOPOLOGY_INFO
And also rename struct ta_xgmi_cmd_get_peer_link_info_output to
ta_xgmi_cmd_get_peer_link_info accordingly
v2: add structs to support xgmi GET_EXTEND_PEER_LINK command
Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Record the debug mode status in RAS.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
