Currently, init_listener() tries to prevent adding a filter with
SECCOMP_FILTER_FLAG_NEW_LISTENER if one of the existing filters already
has a listener. However, this check happens without holding any lock that
would prevent another thread from concurrently installing a new filter
(potentially with a listener) on top of the ones we already have.
Theoretically, this is also a data race: The plain load from
current->seccomp.filter can race with concurrent writes to the same
location.
Fix it by moving the check into the region that holds the siglock to guard
against concurrent TSYNC.
(The "Fixes" tag points to the commit that introduced the theoretical
data race; concurrent installation of another filter with TSYNC only
became possible later, in commit 51891498f2 ("seccomp: allow TSYNC and
USER_NOTIF together").)
Fixes: 6a21cc50f0 ("seccomp: add a return code to trap to userspace")
Reviewed-by: Tycho Andersen <tycho@tycho.pizza>
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20201005014401.490175-1-jannh@google.com
In order to make adding configurable features into seccomp easier,
it's better to have the options at one single location, considering
especially that the bulk of seccomp code is arch-independent. An quick
look also show that many SECCOMP descriptions are outdated; they talk
about /proc rather than prctl.
As a result of moving the config option and keeping it default on,
architectures arm, arm64, csky, riscv, sh, and xtensa did not have SECCOMP
on by default prior to this and SECCOMP will be default in this change.
Architectures microblaze, mips, powerpc, s390, sh, and sparc have an
outdated depend on PROC_FS and this dependency is removed in this change.
Suggested-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/lkml/CAG48ez1YWz9cnp08UZgeieYRhHdqh-ch7aNwc4JRBnGyrmgfMg@mail.gmail.com/
Signed-off-by: YiFei Zhu <yifeifz2@illinois.edu>
[kees: added HAVE_ARCH_SECCOMP help text, tweaked wording]
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/9ede6ef35c847e58d61e476c6a39540520066613.1600951211.git.yifeifz2@illinois.edu
As the UAPI headers start to appear in distros, we need to avoid
outdated versions of struct clone_args to be able to test modern
features, named "struct __clone_args". Additionally update the struct
size macro names to match UAPI names.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/lkml/20200921075432.u4gis3s2o5qrsb5g@wittgenstein/
Signed-off-by: Kees Cook <keescook@chromium.org>
Widening of the supported rate range in the STM32 DFSDM driver.
The rates were previously limited to 8kHz, 16kHz and 32kHz.
Allow rate capture in the whole range 8kHz-48kHz as there is no hardware
limitation to support it.
Actual sample resolution is dependent on audio rate and DFSDM configuration.
Add a trace to allow simple check of sample resolution.
Olivier Moysan (2):
ASoC: stm32: dfsdm: change rate limits
ASoC: stm32: dfsdm: add actual resolution trace
drivers/iio/adc/stm32-dfsdm-adc.c | 4 ++++
drivers/iio/adc/stm32-dfsdm.h | 2 ++
sound/soc/stm/stm32_adfsdm.c | 8 +++-----
3 files changed, 9 insertions(+), 5 deletions(-)
--
2.17.1
These patches are to support audio over DP port on Qualcomm's SC7180 LPASS
Asoc. It includes machine driver, cpu driver, platform driver updates for
HDMI path support, device tree documention, lpass variant structure
optimization and configuration changes.
These patches depends on the DP patch series
https://patchwork.kernel.org/project/dri-devel/list/?series=332029https://lore.kernel.org/patchwork/project/lkml/list/?series=464856
changes since V10:
-- Moved hdmi regmap functions from lpass-hdmi.c to lpass-cpu.c
-- Moved QCOM_REGMAP_FIELD_ALLOC macro from lpass-hdmi.c to lpass.h
changes since V9:
-- Removed unused structures lpass_hdmi.h
changes since V8:
-- Removed redundant structure wrapper for reg map field memebrs
-- Updated lpass_hdmi_regmap_volatile API with appropriate registers as true
and others as false.
changes since V7:
-- Fixed typo errors
-- Created Separate patch for buffer size change
changes since V6:
-- Removed compile time define flag, which used for enabling
HDMI code, based on corresponding config param is included.
-- Updated reg map alloc API with reg map bulk API.
-- Removed unnecessary line splits
changes since V5:
-- Removed unused struct regmap *map in lpass_platform_alloc_hdmidmactl_fields.
-- DMA alloc and free API signature change in lpass-apq8016.c, lpass-ipq806x.c
-- Keeping API "irqreturn_t lpass_platform_hdmiif_irq" under ifdef macro
Changes Since v4:
-- Updated with single compatible node for both I2S and HDMI.
Changes Since v3:
-- Removed id in lpass variant structure and used snd_soc_dai_driver id.
Changes Since v2:
-- Audio buffer size(i.e. LPASS_PLATFORM_BUFFER_SIZE) in lpass-platform.c increased.
Changes Since v1:
-- Commit messages are updated
-- Addressed Rob Herring review comments
V Sujith Kumar Reddy (7):
ASoC: Add sc7180-lpass binding header hdmi define
ASoC: dt-bindings: Add dt binding for lpass hdmi
Asoc:qcom:lpass-cpu:Update dts property read API
Asoc: qcom: lpass:Update lpaif_dmactl members order
ASoC: qcom: Add support for lpass hdmi driver
Asoc: qcom: lpass-platform : Increase buffer size
ASoC: qcom: sc7180: Add support for audio over DP
.../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 74 ++--
include/dt-bindings/sound/sc7180-lpass.h | 1 +
sound/soc/qcom/Kconfig | 5 +
sound/soc/qcom/Makefile | 2 +
sound/soc/qcom/lpass-apq8016.c | 4 +-
sound/soc/qcom/lpass-cpu.c | 249 ++++++++++++-
sound/soc/qcom/lpass-hdmi.c | 258 ++++++++++++++
sound/soc/qcom/lpass-hdmi.h | 102 ++++++
sound/soc/qcom/lpass-ipq806x.c | 4 +-
sound/soc/qcom/lpass-lpaif-reg.h | 49 ++-
sound/soc/qcom/lpass-platform.c | 395 +++++++++++++++++----
sound/soc/qcom/lpass-sc7180.c | 116 +++++-
sound/soc/qcom/lpass.h | 124 ++++++-
13 files changed, 1240 insertions(+), 143 deletions(-)
create mode 100644 sound/soc/qcom/lpass-hdmi.c
create mode 100644 sound/soc/qcom/lpass-hdmi.h
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
Some archs (like powerpc) only support changing the return code during
syscall exit when ptrace is used. Test entry vs exit phases for which
portions of the syscall number and return values need to be set at which
different phases. For non-powerpc, all changes are made during ptrace
syscall entry, as before. For powerpc, the syscall number is changed at
ptrace syscall entry and the syscall return value is changed on ptrace
syscall exit.
Reported-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Suggested-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Link: https://lore.kernel.org/linux-kselftest/20200911181012.171027-1-cascardo@canonical.com/
Fixes: 58d0a862f5 ("seccomp: add tests for ptrace hole")
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/lkml/20200921075300.7iylzof2w5vrutah@wittgenstein/
Signed-off-by: Kees Cook <keescook@chromium.org>
At this point mcasp->dev is not initialized and we would have NULL pointer
dereference if we would have failed to get the mem memory resource by
name.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201008085400.19944-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Introduce the Texas Instruments TAS2764 amplifier driver
with I/V sense for loud speaker applications.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20201007155341.10139-2-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
module_is_live() is available only when CONFIG_MODULES is enabled.
Replace its usage with try_module_get() which is present regardless of
said config's status.
Fixes: 7a10b66a5d ("ASoC: Intel: catpt: Device driver lifecycle")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201007135701.20372-1-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In preparation for setting syscall nr and ret values separately, refactor
the helpers to take a pointer to a value, so that a NULL can indicate
"do not change this respective value". This is done to keep the regset
read/write happening once and in one code path.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/lkml/20200921075031.j4gruygeugkp2zwd@wittgenstein/
Signed-off-by: Kees Cook <keescook@chromium.org>
Remove propmt for selecting MLX5_VDPA by the user and modify
MLX5_VDPA_NET to select MLX5_VDPA. Also modify MLX5_VDPA_NET to depend
on mlx5_core.
This fixes an issue where configuration sets 'y' for MLX5_VDPA_NET while
MLX5_CORE is compiled as a module causing link errors.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 1a86b377aa ("vdpa/mlx5: Add VDPA driver for supported mlx5 device")s
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20201007064011.GA50074@mtl-vdi-166.wap.labs.mlnx
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A VM with mlx5 vDPA has below warnings while being reset:
vhost VQ 0 ring restore failed: -1: Resource temporarily unavailable (11)
vhost VQ 1 ring restore failed: -1: Resource temporarily unavailable (11)
We should allow userspace emulating the virtio device be
able to get to vq's avail_index, regardless of vDPA device
status. Save the index that was last seen when virtq was
stopped, so that userspace doesn't complain.
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Link: https://lore.kernel.org/r/1601583511-15138-1-git-send-email-si-wei.liu@oracle.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Eli Cohen <elic@nvidia.com>
The DFSDM can support a larger rate range than currently
supported in driver.
Increase rate upper limit to 48kHz and allow all rates
in the range 8kHz to 48kHz.
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Link: https://lore.kernel.org/r/20201007153459.22155-2-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The pdx86 maintainers have moved their git tree from infradead.org to
kernel.org, update the X86 PLATFORM DRIVERS MAINTAINERS entry for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
A cut and paste error had the check to use __get_str() test "is_dynamic"
twice, instead of checking "is_string && is_dynamic".
Link: https://lore.kernel.org/r/d34dccd5-96ba-a2d9-46ea-de8807525deb@canonical.com
Reported-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The variable 'len' has been assigned a value but is not used after that.
So, remove the assignement.
Link: https://lkml.kernel.org/r/20200930184303.22896-1-sudipm.mukherjee@gmail.com
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Based on the following two reasones, we could simplify the calculation:
- If the number after roundup count is not power of 2, we would
definitely have more than 1 empty page with a higher order.
- get_count_order() just return current order, so one lower order
could meet the requirement.
The calculation could be simplified by lower one order level when pages
are not power of 2.
Link: https://lkml.kernel.org/r/20200831031104.23322-5-richard.weiyang@linux.alibaba.com
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
All the three macro are defined to be used for ftrace_rec_count(). This
can be achieved by (flags & FTRACE_REF_MAX) directly.
Since no other places would use those macros, remove them for clarity.
Also it fixes a typo in the comment.
Link: https://lkml.kernel.org/r/20200831031104.23322-4-richard.weiyang@linux.alibaba.com
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
No need to add a check to subtract the number of bits if bits is zero after
fls(). Just divide the size by two before calling it. This does give the
same answer for size of 0 and 1, but that's fine.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add support for audio playback over DP in lpass
sc7180 platform driver. Update lpass_variant
structure for hdmi data configuaration.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-8-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Upadate lpass cpu and platform driver to support audio over dp.
Also add lpass-hdmi.c and lpass-hdmi.h.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-6-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Update the lpaif_dmactl struct members order to match
HDMI reg map members sequence. Separate Interface reg map
as it is used for I2S control but not for HDMI control,
to make use of bulk API, which makes code more readable.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-5-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Update dts property read API call with platform get property
by name, as it make code more readable and avoid conflicts
when array of properties to be used.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-4-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Adds bindings for lpass hdmi interface
which can support audio path over dp.
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1602134223-2562-3-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add usb ids of the Cellient MPL200 card.
Signed-off-by: Wilken Gottwalt <wilken.gottwalt@mailbox.org>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
De-referencing skb after call to gro_cells_receive() is not allowed.
We need to fetch skb->len earlier.
Fixes: 5491e7c6b1 ("macsec: enable GRO and RPS on macsec devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some firmware files trigger a PHY soft reset and don't wait for it to
be finished. PHY register writes directly after applying the firmware
may fail or provide unexpected results therefore. Fix this by waiting
for bit BMCR_RESET to be cleared after applying firmware.
There's nothing wrong with the referenced change, it's just that the
fix will apply cleanly only after this change.
Fixes: 89fbd26cca ("r8169: fix firmware not resetting tp->ocp_base")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
With multiple DNAT rules it's possible that after destination
translation the resulting tuples collide.
For example, two openvswitch flows:
nw_dst=10.0.0.10,tp_dst=10, actions=ct(commit,table=2,nat(dst=20.0.0.1:20))
nw_dst=10.0.0.20,tp_dst=10, actions=ct(commit,table=2,nat(dst=20.0.0.1:20))
Assuming two TCP clients initiating the following connections:
10.0.0.10:5000->10.0.0.10:10
10.0.0.10:5000->10.0.0.20:10
Both tuples would translate to 10.0.0.10:5000->20.0.0.1:20 causing
nf_conntrack_confirm() to fail because of tuple collision.
Netfilter handles this case by allocating a null binding for SNAT at
egress by default. Perform the same operation in openvswitch for DNAT
if no explicit SNAT is requested by the user and allocate a null binding
for SNAT for packets in the "original" direction.
Reported-at: https://bugzilla.redhat.com/1877128
Suggested-by: Florian Westphal <fw@strlen.de>
Fixes: 05752523e5 ("openvswitch: Interface with NAT.")
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Daniel Borkmann says:
====================
pull-request: bpf 2020-10-08
The main changes are:
1) Fix "unresolved symbol" build error under CONFIG_NET w/o CONFIG_INET due
to missing tcp_timewait_sock and inet_timewait_sock BTF, from Yonghong Song.
2) Fix 32 bit sub-register bounds tracking for OR case, from Daniel Borkmann.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is correcting NETLINK br_fill_ifinfo() to be able to
handle 'filter_mask' with multiple flags asserted.
Fixes: 36a8e8e265 ("bridge: Extend br_fill_ifinfo to return MPR status")
Signed-off-by: Henrik Bjoernlund <henrik.bjoernlund@microchip.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Suggested-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Tested-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Document the PowerPC specific 'sleep' property as a schema. It is
currently only documented in booting-without-of.rst which is getting
removed.
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201008142420.2083861-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Intel has spun off the Omni-Path Architecture group which is now a new
company known as Cornelis Networks. Updating the MAINTAINERS file to
reflect this change and our new email addresses.
Link: https://lore.kernel.org/r/20201008171803.189100.43448.stgit@awfm-01.aw.intel.com
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
nouveau:
- fix crash in TTM alloc fail path
- return error earlier for unknown chipsets
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Merge tag 'drm-fixes-2020-10-08' of git://anongit.freedesktop.org/drm/drm
Pull drm nouveau fixes from Dave Airlie:
"Karol found two last minute nouveau fixes, they both fix crashes, the
TTM one follows what other drivers do already, and the other is for
bailing on load on unrecognised chipsets.
- fix crash in TTM alloc fail path
- return error earlier for unknown chipsets"
* tag 'drm-fixes-2020-10-08' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/mem: guard against NULL pointer access in mem_del
drm/nouveau/device: return error for unknown chipsets
An incorrect sizeof is being used, struct rvt_ibport ** is not correct, it
should be struct rvt_ibport *. Note that since ** is the same size as
* this is not causing any issues. Improve this fix by using
sizeof(*rdi->ports) as this allows us to not even reference the type
of the pointer. Also remove line breaks as the entire statement can
fit on one line.
Link: https://lore.kernel.org/r/20201008095204.82683-1-colin.king@canonical.com
Addresses-Coverity: ("Sizeof not portable (SIZEOF_MISMATCH)")
Fixes: ff6acd6951 ("IB/rdmavt: Add device structure allocation")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
