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As preparation for unified bridge model, add support for VNI->FID mapping
via SVFA register.
When performing VXLAN encapsulation, the VXLAN header needs to contain a
VNI. This VNI is derived from the FID classification performed on
ingress, through which the ingress RIF is also determined.
Similarly, when performing VXLAN decapsulation, the FID of the packet
needs to be determined. This FID is derived from VNI classification
performed during decapsulation.
In the old model, both entries (i.e., FID->VNI and VNI->FID) were
configured via SFMR.vni.
In the new model, where ingress is separated from egress, ingress
configuration (VNI->FID) is performed via SVFA, while SFMR only
configures egress (FID->VNI).
Add 'vni' field to SVFA, add new mapping table - VNI to FID, add new
pack() function for VNI mapping and edit the comment in SFMR.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RITR configures the router interface table. As preparation for unified
bridge model, add egress FID field to RITR.
After routing, a packet has to perform a layer-2 lookup using the
destination MAC it got from the routing and a FID.
In the new model, the egress FID is configured by RITR for both sub-port
and FID RIFs.
Add 'efid' field to sub-port router interface and update FID router
interface related comment.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The REIV maps {egress router interface (eRIF), egress_port} -> {vlan ID}.
As preparation for unified bridge model, add REIV register for future use.
In the past, firmware would take care of the above mentioned mapping,
but in the new model this should be done by software using REIV register.
REIV register supports a simultaneous update of 256 ports using
'port_page' field. When 'port_page'=0 the records represent ports
0-255, when 'port_page'=1 the records represent ports 256-511 and so
on.
The register is reserved while using the legacy model.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFGC register maps {packet type, bridge type} -> {MID base, table type}.
As preparation for unified bridge model, remove 'mid' field and add
'mid_base' field.
The MID index (index to PGT table which maps MID to local port list and
SMPE index) is a result of 'mid_base' + 'fid_offset'. Using the legacy
bridge model, firmware configures 'mid_base'. However, using the new model,
software is responsible to configure it via SFGC register.
The 'mid_base' is configured per {packet type, bridge type}, for
example, for {Unicast, .1Q}, {Broadcast, .1D}.
Add the field 'mid_base' to SFGC register and increase the length of the
register accordingly.
Remove the field 'mid' as currently it is ignored by the device, its use
is an old leftover.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFMR register creates and configures FIDs. As preparation for unified
bridge model, add a required field for future use.
The PGT (Port Group) table maps multicast ID (MID) to
{local port list, SMPE index} on Spectrum-1 and to {local port list} on
the other ASICs.
In the legacy model, software did not interact with this table directly.
Instead, it was accessed by firmware in response to registers such as
SFTR and SMID.
In the new model, the SFTR register is deprecated and software has full
control over the PGT table using the SMID register.
The configuration of MDB entries (using SFD) is unchanged, but flooding
configuration is completely different.
SFGC register maps {packet type, bridge type} -> {MID base, table type},
then with FID and FID-offset which are configured via SFMR, the MID index
is obtained.
Add the field 'flood_bridge_type' to SFMR, software can separate between
802.1q FIDs and vFIDs using two types which are supported.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFD register configures FDB table. As preparation for unified bridge model,
add some required fields for future use.
In the new model, firmware no longer configures the egress VID, this
responsibility is moved to software. For layer 2 this means that software
needs to determine the egress VID for both unicast and multicast.
For unicast FDB records and unicast LAG FDB records, the VID needs to be
set via new fields in SFD - 'set_vid' and 'vid'.
Add the two mentioned fields for future use.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFMR register creates and configures FIDs. As preparation unified bridge
model, add some required fields for future use.
The device includes two main tables to support layer 2 multicast (i.e.,
MDB and flooding). These are the PGT (Port Group Table) and the
MPE (Multicast Port Egress) table.
- PGT is {MID -> (bitmap of local_port, SPME index)}
- MPE is {(Local port, SMPE index) -> eVID}
In Spectrum-2 and later ASICs, the SMPE index is an attribute of the FID
and programmed via new fields in SFMR register - 'smpe_valid' and 'smpe'.
Add the two mentioned fields for future use and increase the length of
the register accordingly.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SMID register maps multicast ID (MID) into a list of local ports.
As preparation for unified bridge model, add some required fields for
future use.
The device includes two main tables to support layer 2 multicast (i.e.,
MDB and flooding). These are the PGT (Port Group Table) and the
MPE (Multicast Port Egress) table.
- PGT is {MID -> (bitmap of local_port, SPME index)}
- MPE is {(Local port, SMPE index) -> eVID}
In Spectrum-1, both indexes into the MPE table (local port and SMPE) are
derived from the PGT table. Therefore, the SMPE index needs to be
programmed as part of the PGT entry via new fields in SMID - 'smpe_valid'
and 'smpe'.
Add the two mentioned fields for future use and align the callers of
mlxsw_reg_smid2_pack() to pass zeros for SMPE fields.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SMPE register maps {egress_port, SMPE index} -> VID.
The device includes two main tables to support layer 2 multicast (i.e.,
MDB and flooding). These are the PGT (Port Group Table) and the
MPE (Multicast Port Egress) table.
- PGT is {MID -> (bitmap of local_port, SPME index)}
- MPE is {(Local port, SMPE index) -> eVID}
In Spectrum-1, the index into the MPE table - called switch multicast to
port egress VID (SMPE) - is derived from the PGT entry, whereas in
Spectrum-2 and later ASICs it is derived from the FID.
In the legacy model, software did not interact with this table as it was
completely hidden in firmware. In the new model, software needs to
populate the table itself in order to map from {Local port, SMPE index} to
an egress VID. This is done using the SMPE register.
Add the register for future use.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SVFA register controls the VID to FID mapping and {Port, VID} to FID
mapping for virtualized ports. As preparation for unified bridge model,
add some required fields for future use.
On ingress, after ingress ACL, a packet needs to be classified to a FID.
The key for this lookup can be one of:
1. VID. When port is not in virtual mode.
2. {RQ, VID}. When port is in virtual mode.
3. FID. When FID was set by ingress ACL.
Since RITR no longer performs ingress configuration, the ingress RIF for
the first two entry types needs to be set via new fields in SVFA -
'irif_v' and 'irif'.
Add the two mentioned fields for future use and increase the length of
the register accordingly.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFMR register creates and configures FIDs. As preparation for unified
bridge model, add some required fields for future use.
On ingress, after ingress ACL, a packet needs to be classified to a FID.
The key for this lookup can be one of:
1. VID. When port is not in virtual mode.
2. {RQ, VID}. When port is in virtual mode.
3. FID. When FID was set by ingress ACL.
For example, via VR_AND_FID_ACTION.
Since RITR no longer performs ingress configuration, the ingress RIF for
the last entry type needs to be set via new fields in SFMR - 'irif_v'
and 'irif'.
Add the two mentioned fields for future use.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFMR register creates and configures FIDs. As preparation for unified
bridge model, add a field for future use.
In the new model, RITR no longer configures the rFID used for sub-port RIFs
and it has to be created by software via SFMR. Such FIDs need to be created
with special flood indication using 'flood_rsp' field. When set, this bit
instructs the device to manage the flooding entries for this FID in a
reserved part of the port group table (PGT).
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After setting the sock ktls, update ctx->sk_proto to sock->sk_prot by
tls_update(), so now ctx->sk_proto->close is tls_sk_proto_close(). When
close the sock, tls_sk_proto_close() is called for sock->sk_prot->close
is tls_sk_proto_close(). But ctx->sk_proto->close() will be executed later
in tls_sk_proto_close(). Thus tls_sk_proto_close() executed repeatedly
occurred. That will trigger the following bug.
=================================================================
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
RIP: 0010:tls_sk_proto_close+0xd8/0xaf0 net/tls/tls_main.c:306
Call Trace:
<TASK>
tls_sk_proto_close+0x356/0xaf0 net/tls/tls_main.c:329
inet_release+0x12e/0x280 net/ipv4/af_inet.c:428
__sock_release+0xcd/0x280 net/socket.c:650
sock_close+0x18/0x20 net/socket.c:1365
Updating a proto which is same with sock->sk_prot is incorrect. Add proto
and sock->sk_prot equality check at the head of tls_update() to fix it.
Fixes: 95fa145479fb ("bpf: sockmap/tls, close can race with map free")
Reported-by: syzbot+29c3c12f3214b85ad081@syzkaller.appspotmail.com
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 8ff978b8b222 ("ipv4/raw: support binding to nonlocal addresses")
introduces support for binding to nonlocal addresses, as well as some
basic test coverage for some of the related cases.
Commit b4a028c4d031 ("ipv4: ping: fix bind address validity check")
fixes a regression which incorrectly removed some checks for bind
address validation. In addition, it introduces regression tests for
those specific checks. However, those regression tests are defective, in
that they perform the tests using an incorrect combination of bind
flags. As a result, those tests fail when they should succeed.
This commit introduces additional regression tests for nonlocal binding
and fixes the defective regression tests. It also introduces new
set_sysctl calls for the ipv4_bind test group, as to perform the ICMP
binding tests it is necessary to allow ICMP socket creation by setting
the net.ipv4.ping_group_range knob.
Fixes: b4a028c4d031 ("ipv4: ping: fix bind address validity check")
Reported-by: Riccardo Paolo Bestetti <pbl@bestov.io>
Signed-off-by: Riccardo Paolo Bestetti <pbl@bestov.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
'Commit 6f91f4ba046e ("vmxnet3: add support for capability registers")'
added support for capability registers. These registers are used
to advertize capabilities of the device.
The patch updated the dev_caps to disable outer checksum offload if
PTCR register does not support it. However, it missed to update
other overlay offloads. This patch fixes this issue.
Fixes: 6f91f4ba046e ("vmxnet3: add support for capability registers")
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kuniyuki Iwashima says:
====================
raw: Fix nits of RCU conversion series.
The first patch fixes a build error by commit ba44f8182ec2 ("raw: use
more conventional iterators"), but it does not land in the net tree,
so this series is targeted to net-next. The second patch replaces some
hlist functions with sk's helper macros.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
hlist_nulls_add_head_rcu() and hlist_nulls_for_each_entry() have dedicated
macros for sk.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The trailing semicolon causes a compiler error, so let's remove it.
net/ipv4/raw.c: In function ‘raw_icmp_error’:
net/ipv4/raw.c:266:2: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
266 | struct hlist_nulls_head *hlist;
| ^~~~~~
Fixes: ba44f8182ec2 ("raw: use more conventional iterators")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The recent report for a crash on Haswell machines implied that the
x86-specific (rather hackish) implementation for write-cache memory
buffer allocation in ALSA core is buggy with the recent kernel in some
corner cases. This patch drops the x86-specific implementation and
uses the standard dma_alloc_wc() & co generically for avoiding the bug
and also for simplification.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216112
Cc: <stable@vger.kernel.org> # v5.18+
Link: https://lore.kernel.org/r/20220620073440.7514-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
- Make RESERVE_BRK() work again with older binutils. The recent
'simplification' broke that.
- Make early #VE handling increment RIP when successful.
- Make the #VE code consistent vs. the RIP adjustments and add comments.
- Handle load_unaligned_zeropad() across page boundaries correctly in #VE
when the second page is shared.
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Merge tag 'x86-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
- Make RESERVE_BRK() work again with older binutils. The recent
'simplification' broke that.
- Make early #VE handling increment RIP when successful.
- Make the #VE code consistent vs. the RIP adjustments and add
comments.
- Handle load_unaligned_zeropad() across page boundaries correctly in
#VE when the second page is shared.
* tag 'x86-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tdx: Handle load_unaligned_zeropad() page-cross to a shared page
x86/tdx: Clarify RIP adjustments in #VE handler
x86/tdx: Fix early #VE handling
x86/mm: Fix RESERVE_BRK() for older binutils
- Remove obsolete CONFIG_X86_SMAP reference from objtool
- Fix overlapping text section failures in faddr2line for real
- Remove OBJECT_FILES_NON_STANDARD usage from x86 ftrace and replace it
with finegrained annotations so objtool can validate that code
correctly.
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Merge tag 'objtool-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull build tooling updates from Thomas Gleixner:
- Remove obsolete CONFIG_X86_SMAP reference from objtool
- Fix overlapping text section failures in faddr2line for real
- Remove OBJECT_FILES_NON_STANDARD usage from x86 ftrace and replace it
with finegrained annotations so objtool can validate that code
correctly.
* tag 'objtool-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ftrace: Remove OBJECT_FILES_NON_STANDARD usage
faddr2line: Fix overlapping text section failures, the sequel
objtool: Fix obsolete reference to CONFIG_X86_SMAP
balance_push(). sched_setscheduler() spliced the balance callbacks accross
a lock break which makes an interleaving schedule() observe an empty list.
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Merge tag 'sched-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single scheduler fix plugging a race between sched_setscheduler()
and balance_push().
sched_setscheduler() spliced the balance callbacks accross a lock
break which makes it possible for an interleaving schedule() to
observe an empty list"
* tag 'sched-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix balance_push() vs __sched_setscheduler()
worked until prandom_u32() was switched to the real random generator, which
takes a spinlock for extraction, which does not work on RT when invoked
from atomic contexts. lockdep has no requirement for real random numbers
and it turns out sched_clock() is good enough to create the cookie. That
works everywhere and is faster.
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Merge tag 'locking-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull lockdep fix from Thomas Gleixner:
"A RT fix for lockdep.
lockdep invokes prandom_u32() to create cookies. This worked until
prandom_u32() was switched to the real random generator, which takes a
spinlock for extraction, which does not work on RT when invoked from
atomic contexts.
lockdep has no requirement for real random numbers and it turns out
sched_clock() is good enough to create the cookie. That works
everywhere and is faster"
* tag 'locking-urgent-2022-06-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Use sched_clock() for random numbers
To pick the changes in:
9e4ab6c891094720 ("arm64/sme: Implement vector length configuration prctl()s")
That don't result in any changes in tooling:
$ tools/perf/trace/beauty/prctl_option.sh > before
$ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h
$ tools/perf/trace/beauty/prctl_option.sh > after
$ diff -u before after
$
Just silences this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h'
diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Link: http://lore.kernel.org/lkml/Yq81we+XFOqlBWyu@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Here are some small char/misc driver fixes for 5.19-rc3 that resolve
some reported issues.
They include:
- mei driver fixes
- comedi driver fix
- rtsx build warning fix
- fsl-mc-bus driver fix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.19-rc3-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes for real from Greg KH:
"Let's tag the proper branch this time...
Here are some small char/misc driver fixes for 5.19-rc3 that resolve
some reported issues.
They include:
- mei driver fixes
- comedi driver fix
- rtsx build warning fix
- fsl-mc-bus driver fix
All of these have been in linux-next for a while with no reported
issues"
This is what the merge in commit f0ec9c65a8d6 _should_ have merged, but
Greg fat-fingered the pull request and I got some small changes from
linux-next instead there. Credit to Nathan Chancellor for eagle-eyes.
Link: https://lore.kernel.org/all/Yqywy+Md2AfGDu8v@dev-arch.thelio-3990X/
* tag 'char-misc-5.19-rc3-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
bus: fsl-mc-bus: fix KASAN use-after-free in fsl_mc_bus_remove()
mei: me: add raptor lake point S DID
mei: hbm: drop capability response on early shutdown
mei: me: set internal pg flag to off on hardware reset
misc: rtsx: Fix clang -Wsometimes-uninitialized in rts5261_init_from_hw()
comedi: vmk80xx: fix expression for tx buffer size
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Merge tag 'i2c-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"MAINTAINERS rectifications and a few minor driver fixes"
* tag 'i2c-for-5.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mediatek: Fix an error handling path in mtk_i2c_probe()
i2c: designware: Use standard optional ref clock implementation
MAINTAINERS: core DT include belongs to core
MAINTAINERS: add include/dt-bindings/i2c to I2C SUBSYSTEM HOST DRIVERS
i2c: npcm7xx: Add check for platform_driver_register
MAINTAINERS: Update Synopsys DesignWare I2C to Supported
- Fix a bug where inode flag changes would accidentally drop nrext64.
- Fix a race condition when toggling LARP mode.
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Merge tag 'xfs-5.19-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"There's not a whole lot this time around (I'm still on vacation) but
here are some important fixes for new features merged in -rc1:
- Fix a bug where inode flag changes would accidentally drop nrext64
- Fix a race condition when toggling LARP mode"
* tag 'xfs-5.19-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: preserve DIFLAG2_NREXT64 when setting other inode attributes
xfs: fix variable state usage
xfs: fix TOCTOU race involving the new logged xattrs control knob
We may have no events for a metric evaluated to a constant. In such a
case ensure a tool event is at least evaluated for metric parsing and
displaying.
Fixes: 8586d2744ff3065e ("perf metrics: Don't add all tool events for sharing")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20220618013957.999321-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in:
cae889302ebf5a9b ("KVM: arm64: vgic-v3: List M1 Pro/Max as requiring the SEIS workaround")
That addresses this perf build warning:
Warning: Kernel ABI header at 'tools/arch/arm64/include/asm/cputype.h' differs from latest version at 'arch/arm64/include/asm/cputype.h'
diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h
Cc: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/lkml/Yq8w7p4omYKNwOij@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
f1a9761fbb00639c ("KVM: x86: Allow userspace to opt out of hypercall patching")
That just rebuilds kvm-stat.c on x86, no change in functionality.
This silences these perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
Cc: Oliver Upton <oupton@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/lkml/Yq8qgiMwRcl9ds+f@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Except for memory load and store operations, ARM SPE records also can
support other operation types, bug when set the data source field the
current code assumes a record is a either load operation or store
operation, this leads to wrongly synthesize memory samples.
This patch strictly checks the record operation type, it only sets data
source only for the operation types ARM_SPE_LD and ARM_SPE_ST,
otherwise, returns zero for data source. Therefore, we can synthesize
memory samples only when data source is a non-zero value, the function
arm_spe__is_memory_event() is useless and removed.
Fixes: e55ed3423c1bb29f ("perf arm-spe: Synthesize memory event")
Reviewed-by: Ali Saidi <alisaidi@amazon.com>
Reviewed-by: German Gomez <german.gomez@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: alisaidi@amazon.com
Cc: Andrew Kilroy <andrew.kilroy@arm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Li Huafei <lihuafei1@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Forrington <nick.forrington@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20220517020326.18580-5-alisaidi@amazon.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Pass the optional exponent component through to strtod that already
supports it. We already have exponents in ScaleUnit and so this adds
uniformity.
Reported-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Reviewed-By: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20220527020653.4160884-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
commit cfd7092c31aed728 ("perf test session topology: Fix test to skip
the test in guest environment") added check to skip the testcase if the
socket_id can't be fetched from topology info.
But the condition check uses strncmp which should be changed to !strncmp
and to correctly match platform.
Fix this condition check.
Fixes: cfd7092c31aed728 ("perf test session topology: Fix test to skip the test in guest environment")
Reported-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20220610135939.63361-1-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The testcase 'Check Arm64 callgraphs are complete in fp mode' wants to
see the following output:
610 leaf
62f parent
648 main
However, without excluding kernel callchains, the output might look like:
ffffc2ff40ef1b5c arch_local_irq_enable
ffffc2ff419d032c __schedule
ffffc2ff419d06c0 schedule
ffffc2ff40e4da30 do_notify_resume
ffffc2ff40e421b0 work_pending
610 leaf
62f parent
648 main
Adding '--user-callchains' leaves only the wanted symbols in the chain.
Fixes: cd6382d82752737e ("perf test arm64: Test unwinding using fame-pointer (fp) mode")
Suggested-by: German Gomez <german.gomez@arm.com>
Reviewed-by: German Gomez <german.gomez@arm.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220614105207.26223-1-mpetlan@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
f94fd25cb0aaf77f ("tcp: pass back data left in socket after receive")
That don't result in any changes in the tables generated from that
header.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/perf/trace/beauty/include/linux/socket.h' differs from latest version at 'include/linux/socket.h'
diff -u tools/perf/trace/beauty/include/linux/socket.h include/linux/socket.h
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/all/YqORj9d58AiGYl8b@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Fix:
tests/bp_account.c:154:9: runtime error: variable length array bound evaluates to non-positive value 0
by switching from a variable length to an allocated array.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220610180247.444798-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
If perf_event_open() fails the fd is opened but it is only freed by
closing (not by delete).
Typically when an open fails you don't call close and so this results in
a memory leak. To avoid this, add a close when open fails.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-By: Kajol Jain <kjain@linux.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20220609052355.1300162-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf test -F 83 ("perf stat CSV output linter") fails on s390.
Reason is the wrong number of fields for certain CPU core/die/socket
related output.
On x84_64 the output of command:
# ./perf stat -x, -A -a --no-merge true
CPU0,1.50,msec,cpu-clock,1502781,100.00,1.052,CPUs utilized
CPU1,1.48,msec,cpu-clock,1476113,100.00,1.034,CPUs utilized
...
results in 8 fields with 7 comma separators.
On s390 the output of command:
# ./perf stat -x, -A -a --no-merge -- true
0.95,msec,cpu-clock,949800,100.00,1.060,CPUs utilized
...
results in 7 fields with 6 comma separators. Therefore this tests
fails on s390. Similar issues exist for per-die and per-socket output
which is not supported on s390.
I have rewritten the python program to count commas in each output line
into a bash function to achieve the same result. I hope this makes it a
bit easier.
Output before:
# ./perf test -F 83
83: perf stat CSV output linter :
Checking CSV output: no args [Success]
Checking CSV output: system wide [Success]
Checking CSV output: system wide Checking CSV output: \
system wide no aggregation 6.92,msec,cpu-clock,\
6918131,100.00,6.972,CPUs utilized
...
RuntimeError: wrong number of fields. expected 7 in \
6.92,msec,cpu-clock,6918131,100.00,6.972,CPUs utilized
FAILED!
#
Output after:
# ./perf test -F 83
83: perf stat CSV output linter :
Checking CSV output: no args [Success]
Checking CSV output: system wide [Success]
Checking CSV output: system wide Checking CSV output:\
system wide no aggregation [Success]
Checking CSV output: interval [Success]
Checking CSV output: event [Success]
Checking CSV output: per core [Success]
Checking CSV output: per thread [Success]
Checking CSV output: per die [Success]
Checking CSV output: per node [Success]
Checking CSV output: per socket [Success]
Ok
#
Committer notes:
Continues to work on x86_64
$ perf test lint
89: perf stat CSV output linter : Ok
$ perf test -v lint
Couldn't bump rlimit(MEMLOCK), failures may take place when creating BPF maps, etc
89: perf stat CSV output linter :
--- start ---
test child forked, pid 53133
Checking CSV output: no args [Success]
Checking CSV output: system wide [Skip] paranoid and not root
Checking CSV output: system wide [Skip] paranoid and not root
Checking CSV output: interval [Success]
Checking CSV output: event [Success]
Checking CSV output: per core [Skip] paranoid and not root
Checking CSV output: per thread [Skip] paranoid and not root
Checking CSV output: per die [Skip] paranoid and not root
Checking CSV output: per node [Skip] paranoid and not root
Checking CSV output: per socket [Skip] paranoid and not root
test child finished with 0
---- end ----
perf stat CSV output linter: Ok
$
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Claire Jensen <cjense@google.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: linux390-list@tuxmaker.boeblingen.de.ibm.com
Link: https://lore.kernel.org/r/20220603113034.2009728-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This reverts commit 9386ebccfc59 ("nfp: update nfp_X logging definitions")
The reverted patch was intended to improve logging for the NFP driver by
including information such as the source code file and number in log
messages.
Unfortunately our experience is that this has not improved things as
we had hoped. The resulting logs are inconsistent with (most) other
kernel log messages. And rely on knowledge of the source code version
in order for the extra information to be useful.
Thus, revert the change.
We acknowledge that Jakub Kicinski <kuba@kernel.org> foresaw this problem.
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King says:
====================
net: introduce mii_bmcr_encode_fixed()
While converting the mv88e6xxx driver to phylink pcs, it has been
noticed that we've started to have repeated cases where we convert a
speed and duplex to a BMCR value.
Rather than open coding this in multiple locations, let's provide a
helper for this - in linux/mii.h. This helper not only takes care of
the standard 10, 100 and 1000Mbps encodings, but also includes
2500Mbps (which is the same as 1000Mbps) for those users who require
that encoding as well. Unknown speeds will be encoded to 10Mbps, and
non-full duplexes will be encoded as half duplex.
This series converts the existing users to the new helper, and the
mv88e6xxx conversion will add further users in the 6352 and 639x PCS
code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the newly introduced mii_bmcr_encode_fixed() for the xpcs driver.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
