This is very theoretical compile failure:
ELF_ST_TYPE(st_info = A)
Cast will bind first and st_info will stop being lvalue:
error: lvalue required as left operand of assignment
Given that the only use of this macro is
ELF_ST_TYPE(sym->st_info)
where st_info is "unsigned char" I've decided to remove cast especially
given that companion macro ELF_ST_BIND doesn't use cast.
Link: https://lkml.kernel.org/r/Ymv7G1BeX4kt3obz@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Only a few fixes this time, and some debuggability improvements.
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Merge tag 'drm/tegra/for-5.19-rc1' of https://gitlab.freedesktop.org/drm/tegra into drm-next
drm/tegra: Changes for v5.19-rc1
Only a few fixes this time, and some debuggability improvements.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220506164004.3922226-1-thierry.reding@gmail.com
Bspec has added some steps that check forDMC MMIO range before
programming them
v2: Fix for CI
v3: move register defines to .h (Anusha)
- Check MMIO restrictions per pipe
- Add MMIO restricton for v1 dmc header as well (Lucas)
v4: s/_PICK/_PICK_EVEN and use it only for Pipe DMC scenario.
- clean up sanity check logic.(Lucas)
- Add MMIO range for RKL as well.(Anusha)
v5: Use DISPLAY_VER instead of per platform check (Lucas)
BSpec: 49193
Cc: stable@vger.kernel.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220511000847.1068302-1-anusha.srivatsa@intel.com
Martin KaFai Lau says:
====================
net: inet: Retire port only listening_hash
This series is to retire the port only listening_hash.
The listen sk is currently stored in two hash tables,
listening_hash (hashed by port) and lhash2 (hashed by port and address).
After commit 0ee58dad5b ("net: tcp6: prefer listeners bound to an address")
and commit d9fbc7f643 ("net: tcp: prefer listeners bound to an address"),
the TCP-SYN lookup fast path does not use listening_hash.
The commit 05c0b35709 ("tcp: seq_file: Replace listening_hash with lhash2")
also moved the seq_file (/proc/net/tcp) iteration usage from
listening_hash to lhash2.
There are still a few listening_hash usages left.
One of them is inet_reuseport_add_sock() which uses the listening_hash
to search a listen sk during the listen() system call. This turns
out to be very slow on use cases that listen on many different
VIPs at a popular port (e.g. 443). [ On top of the slowness in
adding to the tail in the IPv6 case ]. A latter patch has a
selftest to demonstrate this case.
This series takes this chance to move all remaining listening_hash
usages to lhash2 and then retire listening_hash.
====================
Link: https://lore.kernel.org/r/20220512000546.188616-1-kafai@fb.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds a test that has 300 VIPs listening on port 443.
Each VIP:443 will have 80 listening socks by using SO_REUSEPORT.
Thus, it will have 24000 listening socks.
Before removing the port only listening_hash, all socks will be in the
same port 443 bucket and inet_reuseport_add_sock() spends much time to
walk through the bucket. After removing the port only listening_hash
and move all usage to the port+addr lhash2, each bucket in the
ideal case has 80 sk which is much smaller than before.
Here is the test result from a qemu:
Before: listen 24000 socks took 210.210485362 (~210s)
After: listen 24000 socks took 0.207173 (~210ms)
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The listen sk is currently stored in two hash tables,
listening_hash (hashed by port) and lhash2 (hashed by port and address).
After commit 0ee58dad5b ("net: tcp6: prefer listeners bound to an address")
and commit d9fbc7f643 ("net: tcp: prefer listeners bound to an address"),
the TCP-SYN lookup fast path does not use listening_hash.
The commit 05c0b35709 ("tcp: seq_file: Replace listening_hash with lhash2")
also moved the seq_file (/proc/net/tcp) iteration usage from
listening_hash to lhash2.
There are still a few listening_hash usages left.
One of them is inet_reuseport_add_sock() which uses the listening_hash
to search a listen sk during the listen() system call. This turns
out to be very slow on use cases that listen on many different
VIPs at a popular port (e.g. 443). [ On top of the slowness in
adding to the tail in the IPv6 case ]. The latter patch has a
selftest to demonstrate this case.
This patch takes this chance to move all remaining listening_hash
usages to lhash2 and then retire listening_hash.
Since most changes need to be done together, it is hard to cut
the listening_hash to lhash2 switch into small patches. The
changes in this patch is highlighted here for the review
purpose.
1. Because of the listening_hash removal, lhash2 can use the
sk->sk_nulls_node instead of the icsk->icsk_listen_portaddr_node.
This will also keep the sk_unhashed() check to work as is
after stop adding sk to listening_hash.
The union is removed from inet_listen_hashbucket because
only nulls_head is needed.
2. icsk->icsk_listen_portaddr_node and its helpers are removed.
3. The current lhash2 users needs to iterate with sk_nulls_node
instead of icsk_listen_portaddr_node.
One case is in the inet[6]_lhash2_lookup().
Another case is the seq_file iterator in tcp_ipv4.c.
One thing to note is sk_nulls_next() is needed
because the old inet_lhash2_for_each_icsk_continue()
does a "next" first before iterating.
4. Move the remaining listening_hash usage to lhash2
inet_reuseport_add_sock() which this series is
trying to improve.
inet_diag.c and mptcp_diag.c are the final two
remaining use cases and is moved to lhash2 now also.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch folds lhash2 related functions into __inet_hash and
inet_unhash. This will make the removal of the listening_hash
in a latter patch easier to review.
First, this patch folds inet_hash2 into __inet_hash.
For unhash, the current call sequence is like
inet_unhash() => __inet_unhash() => inet_unhash2().
The specific testing cases in __inet_unhash() are mostly related
to TCP_LISTEN sk and its caller inet_unhash() already has
the TCP_LISTEN test, so this patch folds both __inet_unhash() and
inet_unhash2() into inet_unhash().
Note that all listening_hash users also have lhash2 initialized,
so the !h->lhash2 check is no longer needed.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After commit 0ee58dad5b ("net: tcp6: prefer listeners bound to an address")
and commit d9fbc7f643 ("net: tcp: prefer listeners bound to an address"),
the count is no longer used. This patch removes it.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Martin Habets says:
====================
Make sfc-siena.ko specific to Siena
This series is a follow-up to the one titled "Move Siena into
a separate subdirectory".
It enhances the new sfc-siena.ko module to differentiate it from sfc.ko.
Patches
Patches 1-5 create separate Kconfig options for Siena, and adjusts the
various names used for work items and directories.
Patch 6 reinstates SRIOV functionality in sfc-siena.ko.
Testing
Various build tests were done such as allyesconfig, W=1 and sparse.
The new sfc-siena.ko and sfc.ko modules were tested on a machine with NICs
for both modules in them.
Inserting the updated sfc.ko and the new sfc-siena.ko modules at the same
time works, and no work items and directories exist with the same name.
====================
Link: https://lore.kernel.org/r/165228589518.696.7119477411428288875.stgit@palantir17.mph.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
They were removed in the first series since they were not used for EF10.
Put that code back for Siena, with the prototypes in siena_sriov.h
since that file is a more applicable place for it.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Change the clock name and work queue names to differentiate them from
the names used in sfc.ko.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a Siena Kconfig option and use it in stead of the sfc one.
Rename the internal variable for the 'mcdi_logging_default' module
parameter to avoid a naming conflict with the one in sfc.ko.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a Siena Kconfig option and use it in stead of the sfc one.
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Vladimir Oltean says:
====================
Restructure struct ocelot_port
This patch set represents preparation for further work. It adds an
"index" field to struct ocelot_port, and populates it from the Felix DSA
driver and Ocelot switchdev driver.
The users of struct ocelot_port :: index are the same users as those of
struct ocelot_port_private :: chip_port.
====================
Link: https://lore.kernel.org/r/20220511100637.568950-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently the ocelot switch lib is unaware of the index of a struct
ocelot_port, since that is kept in the encapsulating structures of outer
drivers (struct dsa_port :: index, struct ocelot_port_private :: chip_port).
With the upcoming increase in complexity associated with assigning DSA
tag_8021q CPU ports to certain user ports, it becomes necessary for the
switch lib to be able to retrieve the index of a certain ocelot_port.
Therefore, introduce a new u8 to ocelot_port (same size as the chip_port
used by the ocelot switchdev driver) and rework the existing code to
populate and use it.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is no longer used since commit 7c4bb540e9 ("net: dsa: tag_ocelot:
create separate tagger for Seville").
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Vladimir Oltean says:
====================
DSA changes for multiple CPU ports (part 1)
I am trying to enable the second internal port pair from the NXP LS1028A
Felix switch for DSA-tagged traffic via "ocelot-8021q". This series
represents part 1 (of an unknown number) of that effort.
It does some preparation work, like managing host flooding in DSA via a
dedicated method, and removing the CPU port as argument from the tagging
protocol change procedure.
In terms of driver-specific changes, it reworks the 2 tag protocol
implementations in the Felix driver to have a structured data format.
It enables host flooding towards all tag_8021q CPU ports. It dynamically
updates the tag_8021q CPU port used for traps. It also fixes a bug
introduced by a previous refactoring/oversimplification commit in
net-next.
====================
Link: https://lore.kernel.org/r/20220511095020.562461-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The error handling for the current tagging protocol change procedure is
a bit brittle (we dismantle the previous tagging protocol entirely
before setting up the new one). By identifying which parts of a tagging
protocol are unique to itself and which parts are shared with the other,
we can implement a protocol change procedure where error handling is a
bit more robust, because we start setting up the new protocol first, and
tear down the old one only after the setup of the specific and shared
parts succeeded.
The protocol change is a bit too open-coded too, in the area of
migrating host flood settings and MDBs. By identifying what differs
between tagging protocols (the forwarding masks for host flooding) we
can implement a more straightforward migration procedure which is
handled in the shared portion of the protocol change, rather than
individually by each protocol.
Therefore, a more structured approach calls for the introduction of a
structure of function pointers per tagging protocol. This covers setup,
teardown and the host forwarding mask. In the future it will also cover
how to prepare for a new DSA master.
The initial tagging protocol setup (at driver probe time) and the final
teardown (at driver removal time) are also adapted to call into the
structured methods of the specific protocol in current use. This is
especially relevant for teardown, where we previously called
felix_del_tag_protocol() only for the first CPU port. But by not
specifying which CPU port this is for, we gain more flexibility to
support multiple CPU ports in the future.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ocelot switches support a single active CPU port at a time (at least as
a trapping destination, i.e. for control traffic). This is true
regardless of whether we are using the native copy-to-CPU-port-module
functionality, or a redirect action towards the software-defined
tag_8021q CPU port.
Currently we assume that the trapping destination in tag_8021q mode is
the first CPU port, yet in the future we may want to migrate the user
ports to the second CPU port.
For that to work, we need to make sure that the tag_8021q trapping
destination is a CPU port that is active, i.e. is used by at least some
user port on which the trap was added. Otherwise, we may end up
redirecting the traffic to a CPU port which isn't even up.
Note that due to the current design where we simply choose the CPU port
of the first port from the trap's ingress port mask, it may be that a
CPU port absorbes control traffic from user ports which aren't affine to
it as per user space's request. This isn't ideal, but is the lesser of
two evils. Following the user-configured affinity for traps would mean
that we can no longer reuse a single TCAM entry for multiple traps,
which is what we actually do for e.g. PTP. Either we duplicate and
deduplicate TCAM entries on the fly when user-to-CPU-port mappings
change (which is unnecessarily complicated), or we redirect trapped
traffic to all tag_8021q CPU ports if multiple such ports are in use.
The latter would have actually been nice, if it actually worked, but it
doesn't, since a OCELOT_MASK_MODE_REDIRECT action towards multiple ports
would not take PGID_SRC into consideration, and it would just duplicate
the packet towards each (CPU) port, leading to duplicates in software.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
DSA has not supported (and probably will not support in the future
either) independent tagging protocols per CPU port.
Different switch drivers have different requirements, some may need to
replicate some settings for each CPU port, some may need to apply some
settings on a single CPU port, while some may have to configure some
global settings and then some per-CPU-port settings.
In any case, the current model where DSA calls ->change_tag_protocol for
each CPU port turns out to be impractical for drivers where there are
global things to be done. For example, felix calls dsa_tag_8021q_register(),
which makes no sense per CPU port, so it suppresses the second call.
Let drivers deal with replication towards all CPU ports, and remove the
CPU port argument from the function prototype.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
At the time - commit 7569459a52 ("net: dsa: manage flooding on the CPU
ports") - not introducing a dedicated switch callback for host flooding
made sense, because for the only user, the felix driver, there was
nothing different to do for the CPU port than set the flood flags on the
CPU port just like on any other bridge port.
There are 2 reasons why this approach is not good enough, however.
(1) Other drivers, like sja1105, support configuring flooding as a
function of {ingress port, egress port}, whereas the DSA
->port_bridge_flags() function only operates on an egress port.
So with that driver we'd have useless host flooding from user ports
which don't need it.
(2) Even with the felix driver, support for multiple CPU ports makes it
difficult to piggyback on ->port_bridge_flags(). The way in which
the felix driver is going to support host-filtered addresses with
multiple CPU ports is that it will direct these addresses towards
both CPU ports (in a sort of multicast fashion), then restrict the
forwarding to only one of the two using the forwarding masks.
Consequently, flooding will also be enabled towards both CPU ports.
However, ->port_bridge_flags() gets passed the index of a single CPU
port, and that leaves the flood settings out of sync between the 2
CPU ports.
This is to say, it's better to have a specific driver method for host
flooding, which takes the user port as argument. This solves problem (1)
by allowing the driver to do different things for different user ports,
and problem (2) by abstracting the operation and letting the driver do
whatever, rather than explicitly making the DSA core point to the CPU
port it thinks needs to be touched.
This new method also creates a problem, which is that cross-chip setups
are not handled. However I don't have hardware right now where I can
test what is the proper thing to do, and there isn't hardware compatible
with multi-switch trees that supports host flooding. So it remains a
problem to be tackled in the future.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Similar to dsa_user_ports() which retrieves a port mask of all user
ports, introduce dsa_cpu_ports() which retrieves the mask of all CPU
ports of a switch.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For symmetry with host FDBs and MDBs where the indirection is now
handled outside the ocelot switch lib, do the same for bridge port
flags (unicast/multicast/broadcast flooding).
The only caller of the ocelot switch lib which uses the NPI port is the
Felix DSA driver.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For symmetry with host FDBs where the indirection is now handled outside
the ocelot switch lib, do the same for host MDB entries. The only caller
of the ocelot switch lib which uses the NPI port is the Felix DSA driver.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I remembered why we had the host FDB migration procedure in place.
It is true that host FDB entry migration can be done by changing the
value of PGID_CPU, but the problem is that only host FDB entries learned
while operating in NPI mode go to PGID_CPU. When the CPU port operates
in tag_8021q mode, the FDB entries are learned towards the unicast PGID
equal to the physical port number of this CPU port, bypassing the
PGID_CPU indirection.
So host FDB entries learned in tag_8021q mode are not migrated any
longer towards the NPI port.
Fix this by extracting the NPI port -> PGID_CPU redirection from the
ocelot switch lib, moving it to the Felix DSA driver, and applying it
for any CPU port regardless of its kind (NPI or tag_8021q).
Fixes: a51c1c3f32 ("net: dsa: felix: stop migrating FDBs back and forth on tag proto change")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The smatch found the following warning:
drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c:736 lan966x_fdma_reload()
warn: 'rx_dcbs' was already freed.
This issue can happen when changing the MTU on one of the ports and once
the RX buffers are allocated and then the TX buffer allocation fails.
In that case the RX buffers should not be restore. This fix this issue
such that the RX buffers will not be restored if the TX buffers failed
to be allocated.
Fixes: 2ea1cbac26 ("net: lan966x: Update FDMA to change MTU.")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20220511204059.2689199-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Very few drivers actually have Kconfig knobs for adding
-DDEBUG. 8 according to a quick grep, while there are
93 users of skb_checksum_none_assert(). Switch to the
new DEBUG_NET_WARN_ON_ONCE() to catch bad skbs.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220511172305.1382810-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The driver currently has three interrupt counters,
which are incremented every time each interrupt handler
executes. These driver-managed counters are not
necessary as the kernel already has logic that manages
interrupt counts and exposes them via /proc/interrupts.
This patch removes the driver-managed counters.
Signed-off-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Link: https://lore.kernel.org/r/20220511135251.2989-1-davthompson@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Support for including fs-verity file digests and signatures in the IMA
measurement list as well as verifying the fs-verity file digest based
signatures.
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Update the fsverity documentation related to IMA signature support.
Acked-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Clear FLR (Function Level Reset) from device capabilities
registers for all physical functions.
During FLR, the Margining Lane Status and Margining Lane Control
registers should not be reset, as per PCIe specification.
However, the controller incorrectly resets these registers upon FLR.
This causes PCISIG compliance FLR test to fail. Hence preventing
all functions from advertising FLR support if flag quirk_disable_flr
is set.
Link: https://lore.kernel.org/r/1635165075-89864-1-git-send-email-pthombar@cadence.com
Signed-off-by: Parshuram Thombare <pthombar@cadence.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This enables the Controller [RP] to automatically respond with
Response/ResponseD messages if CDNS_PCIE_LM_TPM_CTRL_PTMRSEN
and PCI_PTM_CTRL_ENABLE bits are both set.
Link: https://lore.kernel.org/r/20220512055539.1782437-1-christian.gmeiner@gmail.com
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
The mass market version received some changes compared to
preproduction versions and especially the io-domain setting
could affect the lifespan of the board if the wrong dt
gets booted on it.
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Merge tag 'v5.18-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Fixes for the mass-production version of BananaPi R2-Pro.
The mass market version received some changes compared to
preproduction versions and especially the io-domain setting
could affect the lifespan of the board if the wrong dt
gets booted on it.
* tag 'v5.18-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Add gmac1 and change network settings of bpi-r2-pro
arm64: dts: rockchip: Change io-domains of bpi-r2-pro
Link: https://lore.kernel.org/r/2300256.NG923GbCHz@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
No functional change.
- remove checkpoint=disable check for f2fs_write_checkpoint
- get sec_freed all the time
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
There have been some recent reports of faddr2line failures:
$ scripts/faddr2line sound/soundcore.ko sound_devnode+0x5/0x35
bad symbol size: base: 0x0000000000000000 end: 0x0000000000000000
$ ./scripts/faddr2line vmlinux.o enter_from_user_mode+0x24
bad symbol size: base: 0x0000000000005fe0 end: 0x0000000000005fe0
The problem is that faddr2line is based on 'nm', which has a major
limitation: it doesn't know how to distinguish between different text
sections. So if an offset exists in multiple text sections in the
object, it may fail.
Rewrite faddr2line to be section-aware, by basing it on readelf.
Fixes: 67326666e2 ("scripts: add script for translating stack dump function offsets")
Reported-by: Kaiwan N Billimoria <kaiwan.billimoria@gmail.com>
Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/29ff99f86e3da965b6e46c1cc2d72ce6528c17c3.1652382321.git.jpoimboe@kernel.org
and bluetooth. No outstanding fires.
Current release - regressions:
- eth: atlantic: always deep reset on pm op, fix null-deref
Current release - new code bugs:
- rds: use maybe_get_net() when acquiring refcount on TCP sockets
[refinement of a previous fix]
- eth: ocelot: mark traps with a bool instead of guessing type based
on list membership
Previous releases - regressions:
- net: fix skipping features in for_each_netdev_feature()
- phy: micrel: fix null-derefs on suspend/resume and probe
- bcmgenet: check for Wake-on-LAN interrupt probe deferral
Previous releases - always broken:
- ipv4: drop dst in multicast routing path, prevent leaks
- ping: fix address binding wrt vrf
- net: fix wrong network header length when BPF protocol translation
is used on skbs with a fraglist
- bluetooth: fix the creation of hdev->name
- rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition
- wifi: iwlwifi: iwl-dbg: use del_timer_sync() before freeing
- wifi: ath11k: reduce the wait time of 11d scan and hw scan while
adding an interface
- mac80211: fix rx reordering with non explicit / psmp ack policy
- mac80211: reset MBSSID parameters upon connection
- nl80211: fix races in nl80211_set_tx_bitrate_mask()
- tls: fix context leak on tls_device_down
- sched: act_pedit: really ensure the skb is writable
- batman-adv: don't skb_split skbuffs with frag_list
- eth: ocelot: fix various issues with TC actions (null-deref; bad
stats; ineffective drops; ineffective filter removal)
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless, and bluetooth.
No outstanding fires.
Current release - regressions:
- eth: atlantic: always deep reset on pm op, fix null-deref
Current release - new code bugs:
- rds: use maybe_get_net() when acquiring refcount on TCP sockets
[refinement of a previous fix]
- eth: ocelot: mark traps with a bool instead of guessing type based
on list membership
Previous releases - regressions:
- net: fix skipping features in for_each_netdev_feature()
- phy: micrel: fix null-derefs on suspend/resume and probe
- bcmgenet: check for Wake-on-LAN interrupt probe deferral
Previous releases - always broken:
- ipv4: drop dst in multicast routing path, prevent leaks
- ping: fix address binding wrt vrf
- net: fix wrong network header length when BPF protocol translation
is used on skbs with a fraglist
- bluetooth: fix the creation of hdev->name
- rfkill: uapi: fix RFKILL_IOCTL_MAX_SIZE ioctl request definition
- wifi: iwlwifi: iwl-dbg: use del_timer_sync() before freeing
- wifi: ath11k: reduce the wait time of 11d scan and hw scan while
adding an interface
- mac80211: fix rx reordering with non explicit / psmp ack policy
- mac80211: reset MBSSID parameters upon connection
- nl80211: fix races in nl80211_set_tx_bitrate_mask()
- tls: fix context leak on tls_device_down
- sched: act_pedit: really ensure the skb is writable
- batman-adv: don't skb_split skbuffs with frag_list
- eth: ocelot: fix various issues with TC actions (null-deref; bad
stats; ineffective drops; ineffective filter removal)"
* tag 'net-5.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
tls: Fix context leak on tls_device_down
net: sfc: ef10: fix memory leak in efx_ef10_mtd_probe()
net/smc: non blocking recvmsg() return -EAGAIN when no data and signal_pending
net: dsa: bcm_sf2: Fix Wake-on-LAN with mac_link_down()
mlxsw: Avoid warning during ip6gre device removal
net: bcmgenet: Check for Wake-on-LAN interrupt probe deferral
net: ethernet: mediatek: ppe: fix wrong size passed to memset()
Bluetooth: Fix the creation of hdev->name
i40e: i40e_main: fix a missing check on list iterator
net/sched: act_pedit: really ensure the skb is writable
s390/lcs: fix variable dereferenced before check
s390/ctcm: fix potential memory leak
s390/ctcm: fix variable dereferenced before check
net: atlantic: verify hw_head_ lies within TX buffer ring
net: atlantic: add check for MAX_SKB_FRAGS
net: atlantic: reduce scope of is_rsc_complete
net: atlantic: fix "frag[0] not initialized"
net: stmmac: fix missing pci_disable_device() on error in stmmac_pci_probe()
net: phy: micrel: Fix incorrect variable type in micrel
decnet: Use container_of() for struct dn_neigh casts
...
There are 2 ways an engine can get reset in i915 and the method of reset
affects how KMD labels a context as guilty/innocent.
(1) GuC initiated engine-reset: GuC resets a hung engine and notifies
KMD. The context that hung on the engine is marked guilty and all other
contexts are innocent. The innocent contexts are resubmitted.
(2) GT based reset: When an engine heartbeat fails to tick, KMD
initiates a gt/chip reset. All active contexts are marked as guilty and
discarded.
In order to correctly mark the contexts as guilty/innocent, pass a mask
of engines that were reset to __guc_reset_context.
Fixes: eb5e7da736 ("drm/i915/guc: Reset implementation for new GuC interface")
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220426003045.3929439-1-umesh.nerlige.ramappa@intel.com
Pull cgroup fix from Tejun Heo:
"Waiman's fix for a cgroup2 cpuset bug where it could miss nodes which
were hot-added"
* 'for-5.18-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Remove cpus_allowed/mems_allowed setup in cpuset_init_smp()
Now check_exported_symbol() always succeeds.
Merge it into find_exported_symbol_in_search() to make the code concise.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Currently, !fsa->gplok && syms->license == GPL_ONLY) is checked after
bsearch() succeeds.
It is meaningless to do the binary search in the GPL symbol table when
fsa->gplok is false because we know find_exported_symbol_in_section()
will fail anyway.
This check should be done before bsearch().
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
There is no need to use an opaque pointer for check_exported_symbol()
or find_exported_symbol_in_section.
Pass (struct find_symbol_arg *) explicitly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
