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Stephen Rothwell reported the following failure on powerpc:
ERROR: modpost: ".local_memory_node"
[drivers/net/ethernet/fungible/funeth/funeth.ko] undefined!
AFAICS this is because local_memory_node() is a non-inline non-exported
function when CONFIG_HAVE_MEMORYLESS_NODES=y. It is also the wrong API
to get a CPU's memory node. Use cpu_to_mem() in the two spots it's used.
Fixes: ee6373ddf3a9 ("net/funeth: probing and netdev ops")
Fixes: db37bc177dae ("net/funeth: add the data path")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Dimitris Michailidis <dmichail@fungible.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify deactivate_slab() by unlocking n->list_lock and retrying
cmpxchg_double() when cmpxchg_double() fails, and perform
add_{partial,full} only when it succeed.
Releasing and taking n->list_lock again here is not harmful as SLUB
avoids deactivating slabs as much as possible.
[ vbabka@suse.cz: perform add_{partial,full} when cmpxchg_double()
succeed.
count deactivating full slabs even if debugging flag is not set. ]
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220307074057.902222-3-42.hyeyoo@gmail.com
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SLUB sets number of minimum partial slabs for node (min_partial)
using set_min_partial(). SLUB holds at least min_partial slabs even if
they're empty to avoid excessive use of page allocator.
set_min_partial() limits value of min_partial limits value of
min_partial MIN_PARTIAL and MAX_PARTIAL. As set_min_partial() can be
called by min_partial_store() too, Only limit value of min_partial
in kmem_cache_open() so that it can be changed to value that a user wants.
[ rientjes@google.com: Fold set_min_partial() into its callers ]
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220307074057.902222-2-42.hyeyoo@gmail.com
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We have a number of cases where function returns drop/no drop
decision as a boolean. Now that we want to report the reason
code as well we have to pass extra output arguments.
We can make the reason code evaluate correctly as bool.
I believe we're good to reorder the reasons as they are
reported to user space as strings.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* irq/meson-gpio:
: .
: Expand meson-gpio support to deal with the new Meson-S4 SoC
: .
irqchip/meson-gpio: Add support for meson s4 SoCs
irqchip/meson-gpio: add select trigger type callback
irqchip/meson-gpio: support more than 8 channels gpio irq
dt-bindings: interrupt-controller: New binding for Meson-S4 SoCs
Signed-off-by: Marc Zyngier <maz@kernel.org>
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The meson s4 SoCs support 12 gpio irq lines compared with previous
serial chips and have something different, details are as below.
IRQ Number:
- 80:68 13 pins on bank Z
- 67:48 20 pins on bank X
- 47:36 12 pins on bank H
- 35:24 12 pins on bank D
- 23:22 2 pins on bank E
- 21:14 8 pins on bank C
- 13:0 13 pins on bank B
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
[maz: fixed some W=1 build warnings]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220225055207.1048-5-qianggui.song@amlogic.com
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* kvm-arm64/misc-5.18:
: .
: Misc fixes for KVM/arm64 5.18:
:
: - Drop unused kvm parameter to kvm_psci_version()
:
: - Implement CONFIG_DEBUG_LIST at EL2
:
: - Make CONFIG_ARM64_ERRATUM_2077057 default y
:
: - Only do the interrupt dance if we have exited because of an interrupt
:
: - Remove traces of 32bit ARM host support from the documentation
: .
Documentation: KVM: Update documentation to indicate KVM is arm64-only
KVM: arm64: Only open the interrupt window on exit due to an interrupt
KVM: arm64: Enable Cortex-A510 erratum 2077057 by default
Signed-off-by: Marc Zyngier <maz@kernel.org>
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KVM support for 32-bit ARM hosts (KVM/arm) has been removed from the
kernel since commit 541ad0150ca4 ("arm: Remove 32bit KVM host
support"). There still exists some remnants of the old architecture in
the KVM documentation.
Remove all traces of 32-bit host support from the documentation. Note
that AArch32 guests are still supported.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220308172856.2997250-1-oupton@google.com
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Vladimir Oltean says:
====================
Incremental fixups for DSA unicast filtering
There are some bugs I've discovered in the recently merged "DSA unicast
filtering" series:
https://patchwork.kernel.org/project/netdevbpf/cover/20220302191417.1288145-1-vladimir.oltean@nxp.com/
First bug is the dereference of an uninitialized list (dp->fdbs) when
the "initial" tag protocol is placed in the device tree for the Felix
switch driver. This is a scenario I hadn't tested. It is handled by
patches 1-3.
Second bug is actually a sum of bugs that canceled each other out during
my previous testing. The MAC address change of a DSA slave interface
breaks termination for the other slave interfaces. But this actually
does not happen if the slave interface whose address is changing is
down. And even when up, traffic termination is still not broken because
we fail to properly disable host flooding. Patches 4-6 handle this for
the Felix driver (the only one benefiting from unicast filtering so far).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Felix driver declares FDB isolation but puts all standalone ports in
VID 0. This is mostly problem-free as discussed with Alvin here:
https://patchwork.kernel.org/project/netdevbpf/cover/20220302191417.1288145-1-vladimir.oltean@nxp.com/#24763870
however there is one catch. DSA still thinks that FDB entries are
installed on the CPU port as many times as there are user ports, and
this is problematic when multiple user ports share the same MAC address.
Consider the default case where all user ports inherit their MAC address
from the DSA master, and then the user runs:
ip link set swp0 address 00:01:02:03:04:05
The above will make dsa_slave_set_mac_address() call
dsa_port_standalone_host_fdb_add() for 00:01:02:03:04:05 in port 0's
standalone database, and dsa_port_standalone_host_fdb_del() for the old
address of swp0, again in swp0's standalone database.
Both the ->port_fdb_add() and ->port_fdb_del() will be propagated down
to the felix driver, which will end up deleting the old MAC address from
the CPU port. But this is still in use by other user ports, so we end up
breaking unicast termination for them.
There isn't a problem in the fact that DSA keeps track of host
standalone addresses in the individual database of each user port: some
drivers like sja1105 need this. There also isn't a problem in the fact
that some drivers choose the same VID/FID for all standalone ports.
It is just that the deletion of these host addresses must be delayed
until they are known to not be in use any longer, and only the driver
has this knowledge. Since DSA keeps these addresses in &cpu_dp->fdbs and
&cpu_db->mdbs, it is just a matter of walking over those lists and see
whether the same MAC address is present on the CPU port in the port db
of another user port.
I have considered reusing the generic dsa_port_walk_fdbs() and
dsa_port_walk_mdbs() schemes for this, but locking makes it difficult.
In the ->port_fdb_add() method and co, &dp->addr_lists_lock is held, but
dsa_port_walk_fdbs() also acquires that lock. Also, even assuming that
we introduce an unlocked variant of the address iterator, we'd still
need some relatively complex data structures, and a void *ctx in the
dsa_fdb_walk_cb_t which we don't currently pass, such that drivers are
able to figure out, after iterating, whether the same MAC address is or
isn't present in the port db of another port.
All the above, plus the fact that I expect other drivers to follow the
same model as felix where all standalone ports use the same FID, made me
conclude that a generic method provided by DSA is necessary:
dsa_fdb_present_in_other_db() and the mdb equivalent. Felix calls this
from the ->port_fdb_del() handler for the CPU port, when the database
was classified to either a port db, or a LAG db.
For symmetry, we also call this from ->port_fdb_add(), because if the
address was installed once, then installing it a second time serves no
purpose: it's already in hardware in VID 0 and it affects all standalone
ports.
This change moves dsa_db_equal() from switch.c to dsa.c, since it now
has one more caller.
Fixes: 54c319846086 ("net: mscc: ocelot: enforce FDB isolation when VLAN-unaware")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The two blamed commits were written/tested individually but not
together.
When put together, commit 90897569beb1 ("net: dsa: felix: start off with
flooding disabled on the CPU port"), which deletes a reinitialization of
PGID_UC/PGID_MC/PGID_BC, is no longer sufficient to ensure that these
port masks don't contain the CPU port module.
This is because commit b903a6bd2e19 ("net: dsa: felix: migrate flood
settings from NPI to tag_8021q CPU port") overwrites the hardware
default settings towards the CPU port module with the settings that used
to be present on the NPI port treated as a regular port. There, flooding
is enabled, so flooding would get enabled on the CPU port module too.
Adding conditional logic somewhere within felix_setup_tag_npi() to
configure either the default no-flood policy or the flood policy
inherited from the tag_8021q CPU port from a previous call to
dsa_port_manage_cpu_flood() is getting complicated. So just let the
migration logic do its thing during initial setup (which will
temporarily turn on flooding), then turn flooding off for the NPI port
after felix_set_tag_protocol() finishes. Here we are in felix_setup(),
so the DSA slave interfaces are not yet created, and this doesn't affect
traffic in any way.
Fixes: 90897569beb1 ("net: dsa: felix: start off with flooding disabled on the CPU port")
Fixes: b903a6bd2e19 ("net: dsa: felix: migrate flood settings from NPI to tag_8021q CPU port")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the slave unicast address is synced to hardware and to the DSA
master during dsa_slave_open(), this means that a call to
dsa_slave_set_mac_address() while the slave interface is down will
result to a call to dsa_port_standalone_host_fdb_del() and to
dev_uc_del() for the MAC address while there was no previous
dsa_port_standalone_host_fdb_add() or dev_uc_add().
This is a partial revert of the blamed commit below, which was too
aggressive.
Fixes: 35aae5ab9121 ("net: dsa: remove workarounds for changing master promisc/allmulti only while up")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We no longer need the workaround in the felix driver to avoid calling
dsa_port_walk_fdbs() when &dp->fdbs is an uninitialized list, because
that list is now initialized from all call paths of felix_set_tag_protocol().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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&cpu_db->fdbs and &cpu_db->mdbs may be uninitialized lists during some
call paths of felix_set_tag_protocol().
There was an attempt to avoid calling dsa_port_walk_fdbs() during setup
by using a "bool change" in the felix driver, but this doesn't work when
the tagging protocol is defined in the device tree, and a change is
triggered by DSA at pseudo-runtime:
dsa_tree_setup_switches
-> dsa_switch_setup
-> dsa_switch_setup_tag_protocol
-> ds->ops->change_tag_protocol
dsa_tree_setup_ports
-> dsa_port_setup
-> &dp->fdbs and &db->mdbs only get initialized here
So it seems like the only way to fix this is to move the initialization
of these lists earlier.
dsa_port_touch() is called from dsa_switch_touch_ports() which is called
from dsa_switch_parse_of(), and this runs completely before
dsa_tree_setup(). Similarly, dsa_switch_release_ports() runs after
dsa_tree_teardown().
Fixes: f9cef64fa23f ("net: dsa: felix: migrate host FDB and MDB entries when changing tag proto")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There has been recent work towards matching each switchdev object
addition with a corresponding deletion.
Therefore, having elements in the fdbs, mdbs, vlans lists at the time of
a shared (DSA, CPU) port's teardown is indicative of a bug somewhere
else, and not something that is to be expected.
We shouldn't try to silently paper over that. Instead, print a warning
and a stack trace.
This change is a prerequisite for moving the initialization/teardown of
these lists. Make it clear that clearing the lists isn't needed.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jonathan Lemon says:
====================
ptp: ocp: update devlink information
Both of these patches update the information displayed via devlink.
v1 -> v2: remove board.manufacture information
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cache the firmware version when the card is initialized,
and use this field to populate the devlink firmware information.
The cached firmware version will be used for feature gating in
upcoming patches.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the at24 drivers for the eeprom, and use the accessors
via the nvmem API instead of direct i2c accesses. This makes
things cleaner.
Add an eeprom map table which specifies where the pre-defined
information is located. Retrieve the information and and export
it via the devlink interface.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ld detects unaligned relocations, it emits R_PPC64_UADDR64
relocations instead of R_PPC64_RELATIVE. Currently R_PPC64_UADDR64 are
detected by arch/powerpc/tools/relocs_check.sh and expected not to work.
Below is a simple chunk to trigger this behaviour (this disables
optimization for the demonstration purposes only, this also happens with
-O1/-O2 when CONFIG_PRINTK_INDEX=y, for example):
\#pragma GCC push_options
\#pragma GCC optimize ("O0")
struct entry {
const char *file;
int line;
} __attribute__((packed));
static const struct entry e1 = { .file = __FILE__, .line = __LINE__ };
static const struct entry e2 = { .file = __FILE__, .line = __LINE__ };
...
prom_printf("e1=%s %lx %lx\n", e1.file, (unsigned long) e1.file, mfmsr());
prom_printf("e2=%s %lx\n", e2.file, (unsigned long) e2.file);
\#pragma GCC pop_options
This adds support for UADDR64 for 64bit. This reuses __dynamic_symtab
from the 32bit code which supports more relocation types already.
Because RELACOUNT includes only R_PPC64_RELATIVE, this replaces it with
RELASZ which is the size of all relocation records.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220309061822.168173-1-aik@ozlabs.ru
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mpc8xx_pic_init() should return -ENOMEM instead of 0 when
irq_domain_add_linear() return NULL. This cause mpc8xx_pics_init to continue
executing even if mpc8xx_pic_host is NULL.
Fixes: cc76404feaed ("powerpc/8xx: Fix possible device node reference leak")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220223070223.26845-1-hbh25y@gmail.com
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Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-03-08
This series contains updates to iavf, i40e, and ice drivers.
Michal ensures netdev features are properly updated to reflect VLAN
changes received from PF and adds an additional flag for MSI-X
reinitialization as further differentiation of reinitialization
operations is needed for iavf.
Jake stops disabling of VFs due to failed virtchannel responses for
i40e and ice driver.
Dave moves MTU event notification to the service task to prevent issues
with RTNL lock for ice.
Christophe Jaillet corrects an allocation to GFP_ATOMIC instead of
GFP_KERNEL for ice.
Jedrzej fixes the value for link speed comparison which was preventing
the requested value from being set for ice.
---
Note: This will conflict when merging with net-next. Resolution:
diff --cc drivers/net/ethernet/intel/ice/ice.h
index dc42ff92dbad,3121f9b04f59..000000000000
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@@ -484,10 -481,9 +484,11 @@@ enum ice_pf_flags
ICE_FLAG_LEGACY_RX,
ICE_FLAG_VF_TRUE_PROMISC_ENA,
ICE_FLAG_MDD_AUTO_RESET_VF,
+ ICE_FLAG_VF_VLAN_PRUNING,
ICE_FLAG_LINK_LENIENT_MODE_ENA,
ICE_FLAG_PLUG_AUX_DEV,
+ ICE_FLAG_MTU_CHANGED,
+ ICE_FLAG_GNSS, /* GNSS successfully initialized */
ICE_PF_FLAGS_NBITS /* must be last */
};
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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-queue
Tony Nguyen says:
====================
10GbE Intel Wired LAN Driver Updates 2022-03-08
This series contains updates to ixgbe and ixgbevf drivers.
Slawomir adds an implementation for ndo_set_vf_link_state() to allow
for disabling of VF link state as well a mailbox implementation so
the VF can query the state. Additionally, for 82599, the option to
disable a VF after receiving several malicious driver detection (MDD)
events are encountered is added. For ixgbevf, the corresponding
implementation to query and report a disabled state is added.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The datasheet lists the minimum Serial clock cycle (Write) as 66ns which is
15MHz. Mostly it can do much better than that and is in fact often run at
32MHz. With a clever driver that runs configuration commands at a low speed
and only the pixel data at the maximum speed the configuration can't be
messed up by transfer errors and the speed is only limited by the amount of
pixel glitches that one is able to tolerate.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124150757.17929-4-noralf@tronnes.org
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There are other ways than using a gpio to reset the controller so make
this property optional.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124150757.17929-3-noralf@tronnes.org
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The backlight property was lost during conversion to yaml in commit
abdd9e3705c8 ("dt-bindings: display: sitronix,st7735r: Convert to DT schema").
Put it back.
Fixes: abdd9e3705c8 ("dt-bindings: display: sitronix,st7735r: Convert to DT schema")
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124150757.17929-2-noralf@tronnes.org
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Add HD Audio PCI ID for a variant of Intel AlderLake-P.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20220308141322.880775-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Use min_t() in order to make code cleaner.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220308091655.2078825-1-deng.changcheng@zte.com.cn
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Use bio_init to initialize the bios when needed to the full state
instead of a partial initialization plus later setting of dev and op
and bio_reset.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
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There is no need to preallocate the bio and reset it when use. Just
allocate it on-stack and use a bvec places next to the pages used for
it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
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Stop using bio_reset and just initialize the bio fully when needed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
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We have all the information to pass the bdev and op directly to bio_init,
so do that.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
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Currently this will enforce both 2M alignment and padding for any LMEM
pages inserted into the GGTT. However, this was only meant to be applied
to the compact-pt layout with the ppGTT. For the GGTT we can reduce the
alignment and padding to 64K.
Bspec: 45015
Fixes: 87bd701ee268 ("drm/i915: enforce min GTT alignment for discrete cards")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Robert Beckett <bob.beckett@collabora.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303100229.839282-1-matthew.auld@intel.com
(cherry picked from commit c64fa77dd4609cb8cd53fbb73b02434ae8212c7a)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Don't populate the read-only array client_map on the stack but
instead make it static const. Also makes the object code a little
smaller.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220307221349.164585-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When receiving a state message, function tipc_link_validate_msg()
is called to validate its header portion. Then, its data portion
is validated before it can be accessed correctly. However, current
data sanity check is done after the message header is accessed to
update some link variables.
This commit fixes this issue by moving the data sanity check to
the beginning of state message handling and right after the header
sanity check.
Fixes: 9aa422ad3266 ("tipc: improve size validations for received domain records")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Link: https://lore.kernel.org/r/20220308021200.9245-1-tung.q.nguyen@dektech.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This node pointer is returned by of_parse_phandle() with refcount
incremented in this function. Calling of_node_put() to avoid the
refcount leak. As the remove function do.
Fixes: 5cdaaa12866e ("net: emaclite: adding MDIO and phy lib support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220308024751.2320-1-linmq006@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When devlink_register() was removed from the error path, the
corresponding label was not updated. Rename the label for
readability puposes, no functional change.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220308000458.2166-1-jonathan.lemon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ENOTSUPP is documented as "should never be seen by user programs",
and thus not exposed in <errno.h>, and thus applications cannot safely
check against it (they get "Unknown error 524" as strerror). We should
rather return the well-known -EOPNOTSUPP.
This is similar to 2230a7ef5198 ("drop_monitor: Use correct error
code") and 4a5cdc604b9c ("net/tls: Fix return values to avoid
ENOTSUPP"), which did not seem to cause problems.
Signed-off-by: Samuel Thibault <samuel.thibault@labri.fr>
Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20220307223126.djzvg44v2o2jkjsx@begin
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Mat Martineau says:
====================
mptcp: Advertisement reliability improvement and misc. updates
Patch 1 adds a helpful debug tracepoint for outgoing MPTCP packets.
Patch 2 is a small "magic number" refactor.
Patches 3 & 4 refactor parts of the mptcp_join.sh selftest. No change in
test coverage.
Patch 5 ensures only advertised address IDs are un-advertised.
Patches 6-8 improve handling of an edge case where endpoint IDs need to
be created on-the-fly when adding subflows. Includes selftest coverage.
Patch 9 adds validation of the fullmesh flag in a MPTCP netlink command,
which was overlooked when this flag was introduced for 5.18.
====================
Link: https://lore.kernel.org/r/20220307204439.65164-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The fullmesh flag mustn't be used with the signal flag when adding an
address. This patch added the necessary flags check for this case.
Fixes: 73c762c1f07d ("mptcp: set fullmesh flag in pm_netlink")
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ensure implicit endpoint are created when expected and
that the user-space can update them
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The address ID selection for MPJ subflows created in response
to incoming ADD_ADDR option is currently unreliable: it happens
at MPJ socket creation time, when the local address could be
unknown.
Additionally, if the no local endpoint is available for the local
address, a new dummy endpoint is created, confusing the user-land.
This change refactor the code to move the address ID selection inside
the rebuild_header() helper, when the local address eventually
selected by the route lookup is finally known. If the address used
is not mapped by any endpoint - and thus can't be advertised/removed
pick the id 0 instead of allocate a new endpoint.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In some edge scenarios, an MPTCP subflows can use a local address
mapped by a "implicit" endpoint created by the in-kernel path manager.
Such endpoints presence can be confusing, as it's creation is hard
to track and will prevent the later endpoint creation from the user-space
using the same address.
Define a new endpoint flag to mark implicit endpoints and allow the
user-space to replace implicit them with user-provided data at endpoint
creation time.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The in-kernel MPTCP path manager, when processing the MPTCP_PM_CMD_FLUSH_ADDR
command, generates RM_ADDR events for each known local address. While that
is allowed by the RFC, it makes unpredictable the exact number of RM_ADDR
generated when both ends flush the PM addresses.
This change restricts the RM_ADDR generation to previously explicitly
announced addresses, and adjust the expected results in a bunch of related
self-tests.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The "selftests: mptcp: improve 'fair usage on close' stability" commit
changed that self test to check the TcpAttemptFails MIB instead of
looking for TW sockets. The associated bash function wasn't renamed in
that commit because of the merge conflicts it would cause, so this
commit updates the function name as Paolo originally intended.
Cc: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Without this patch, no tests would be ran when launching:
mptcp_join.sh -cCi
In any order or a combination with 2 of these letters.
The recommended way with getopt is first parse all options and then act.
This allows to do some actions in priority, e.g. display the help menu
and stop.
But also some global variables changing the behaviour of this selftests
-- like the ones behind -cCi options -- can be set before running the
different tests. By doing that, we can also avoid long and unreadable
regex.
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Set subflow->data_avail with the enum value MPTCP_SUBFLOW_NODATA, instead
of using 0 directly.
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The tracepoint in get_mapping_status() only dumped the incoming mpext
fields. This patch added a new tracepoint in mptcp_sendmsg_frag() to dump
the outgoing mpext too.
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When ufs initializes without scmd->device->sector_size set, scsi_get_lba()
will get a wrong shift number and trigger an ubsan error. The shift
exponent 4294967286 is too large for the 64-bit type 'sector_t' (aka
'unsigned long long').
Call scsi_get_lba() only when opcode is READ_10/WRITE_10/UNMAP.
Link: https://lore.kernel.org/r/20220307111752.10465-1-peter.wang@mediatek.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Make a variety of corrections to ufs.rst:
- add spaces around parenthetical phrases
- correct singular/plural grammar and nouns
- correct punctuation
- add article adjectives
- add hyphens to multi-word adjectives
- spell Lun as LUN
- spell upiu as UPIU (in text, not code examples)
- don't capitalize generic "specification"
Link: https://lore.kernel.org/r/20220307013224.5130-1-rdunlap@infradead.org
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver must perform its 4GB boundary check using the pool's DMA address
instead of using the virtual address.
Link: https://lore.kernel.org/r/20220303140230.13098-1-sreekanth.reddy@broadcom.com
Fixes: d6adc251dd2f ("scsi: mpt3sas: Force PCIe scatterlist allocations to be within same 4 GB region")
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Dimitris Michailidis
Hyeonggon Yoo
Jakub Kicinski
Marc Zyngier
Qianggui Song
Oliver Upton
David S. Miller
Vladimir Oltean
Jonathan Lemon
Alexey Kardashevskiy
Hangyu Hua
Noralf Trønnes
Kai Vehmanen
Changcheng Deng
Christoph Hellwig
Matthew Auld
Colin Ian King
Tung Nguyen
Miaoqian Lin
Samuel Thibault
Geliang Tang
Paolo Abeni
Mat Martineau
Matthieu Baerts
Peter Wang
Randy Dunlap
Sreekanth Reddy