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Drop the tcp_client/server.py files in favor of using a client and server
thread within the test case. Specifically we spawn a new thread to play the
role of the server, and the main testing thread plays the role of client.
Add logic to the end of the run_test function to guarantee that the sockets
are closed when we begin verifying results.
Doing this we are able to reduce overhead since we don't have two python
workers possibly floating around. In addition we don't have to worry about
synchronization issues and as such the retry loop waiting for the threads
to close the sockets can be dropped as we will have already closed the
sockets in the local executable and synchronized the server thread.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/160443929638.1086697.2430242340980315521.stgit@localhost.localdomain
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Recently a bug was missed due to the fact that test_tcpbpf_user is not a
part of test_progs. In order to prevent similar issues in the future move
the test functionality into test_progs. By doing this we can make certain
that it is a part of standard testing and will not be overlooked.
As a part of moving the functionality into test_progs it is necessary to
integrate with the test_progs framework and to drop any redundant code.
This patch:
1. Cleans up the include headers
2. Dropped a duplicate definition of bpf_find_map
3. Switched over to using test_progs specific cgroup functions
4. Renamed main to test_tcpbpf_user
5. Dropped return value in favor of CHECK_FAIL to check for errors
The general idea is that I wanted to keep the changes as small as possible
while moving the file into the test_progs framework. The follow-on patches
are meant to clean up the remaining issues such as the use of CHECK_FAIL.
Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/160443928881.1086697.17661359319919165370.stgit@localhost.localdomain
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An incorrect sizeof() is being used, sizeof(u64 *) is not correct,
it should be sizeof(*sq->sqb_ptrs).
Addresses-Coverity: ("Sizeof not portable (SIZEOF_MISMATCH)")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201102134601.698436-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The variable err is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201102121615.695196-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Condition !A || A && B is equivalent to !A || B.
Generated by: scripts/coccinelle/misc/excluded_middle.cocci
Fixes: b76f0ea01312 ("coccinelle: misc: add excluded_middle.cocci script")
CC: Denis Efremov <efremov@linux.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2011020936100.3077@hadrien
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Realtek single-port 2.5Gbps Ethernet PHYs are list as below:
RTL8226-CG: the 1st generation 2.5Gbps single port PHY
RTL8226B-CG/RTL8221B-CG: the 2nd generation 2.5Gbps single port PHY
RTL8221B-VB-CG: the 3rd generation 2.5Gbps single port PHY
RTL8221B-VM-CG: the 2.5Gbps single port PHY with MACsec feature
This patch adds the minimal drivers to manage these transceivers.
Signed-off-by: Willy Liu <willy.liu@realtek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/1604281927-9874-1-git-send-email-willy.liu@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sebastian Andrzej Siewior says:
====================
fsl/qbman: in_interrupt() cleanup.
This is the in_interrupt() clean for FSL DPAA framework and the two
users.
The `napi' parameter has been renamed to `sched_napi', the other parts
are same as in the previous post [0].
[0] https://lkml.kernel.org/r/20201027225454.3492351-1-bigeasy@linutronix.de
====================
Link: https://lore.kernel.org/r/20201101232257.3028508-1-bigeasy@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver uses in_irq() + in_serving_softirq() magic to decide if NAPI
scheduling is required or packet processing.
The usage of in_*() in drivers is phased out and Linus clearly requested
that code which changes behaviour depending on context should either be
separated or the context be conveyed in an argument passed by the caller,
which usually knows the context.
Use the `sched_napi' argument passed by the callback. It is set true if
called from the interrupt handler and NAPI should be scheduled.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Li Yang <leoyang.li@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Tested-by: Camelia Groza <camelia.groza@nxp.com>
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The driver uses in_irq() + in_serving_softirq() magic to decide if NAPI
scheduling is required or packet processing.
The usage of in_*() in drivers is phased out and Linus clearly requested
that code which changes behaviour depending on context should either be
separated or the context be conveyed in an argument passed by the caller,
which usually knows the context.
Use the `sched_napi' argument passed by the callback. It is set true if
called from the interrupt handler and NAPI should be scheduled.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Tested-by: Camelia Groza <camelia.groza@nxp.com>
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dpaa_eth_napi_schedule() and caam_qi_napi_schedule() schedule NAPI if
invoked from:
- Hard interrupt context
- Any context which is not serving soft interrupts
Any context which is not serving soft interrupts includes hard interrupts
so the in_irq() check is redundant. caam_qi_napi_schedule() has a comment
about this:
/*
* In case of threaded ISR, for RT kernels in_irq() does not return
* appropriate value, so use in_serving_softirq to distinguish between
* softirq and irq contexts.
*/
if (in_irq() || !in_serving_softirq())
This has nothing to do with RT. Even on a non RT kernel force threaded
interrupts run obviously in thread context and therefore in_irq() returns
false when invoked from the handler.
The extension of the in_irq() check with !in_serving_softirq() was there
when the drivers were added, but in the out of tree FSL BSP the original
condition was in_irq() which got extended due to failures on RT.
The usage of in_xxx() in drivers is phased out and Linus clearly requested
that code which changes behaviour depending on context should either be
separated or the context be conveyed in an argument passed by the caller,
which usually knows the context. Right he is, the above construct is
clearly showing why.
The following callchains have been analyzed to end up in
dpaa_eth_napi_schedule():
qman_p_poll_dqrr()
__poll_portal_fast()
fq->cb.dqrr()
dpaa_eth_napi_schedule()
portal_isr()
__poll_portal_fast()
fq->cb.dqrr()
dpaa_eth_napi_schedule()
Both need to schedule NAPI.
The crypto part has another code path leading up to this:
kill_fq()
empty_retired_fq()
qman_p_poll_dqrr()
__poll_portal_fast()
fq->cb.dqrr()
dpaa_eth_napi_schedule()
kill_fq() is called from task context and ends up scheduling NAPI, but
that's pointless and an unintended side effect of the !in_serving_softirq()
check.
The code path:
caam_qi_poll() -> qman_p_poll_dqrr()
is invoked from NAPI and I *assume* from crypto's NAPI device and not
from qbman's NAPI device. I *guess* it is okay to skip scheduling NAPI
(because this is what happens now) but could be changed if it is wrong
due to `budget' handling.
Add an argument to __poll_portal_fast() which is true if NAPI needs to be
scheduled. This requires propagating the value to the caller including
`qman_cb_dqrr' typedef which is used by the dpaa and the crypto driver.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>
Cc: Herbert XS <herbert@gondor.apana.org.au>
Cc: Li Yang <leoyang.li@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Tested-by: Camelia Groza <camelia.groza@nxp.com>
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For kernel 5.10, this function was called twice right next to each
other in the same function due to what looks like a mis-merge.
Remove one of them.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This is the 3rd revision of the patch fix for potential null pointer dereference
with lan743x card.
The simpliest way to reproduce: boot with bare lan743x and issue "ethtool ethN"
commant where ethN is the interface with lan743x card. Example:
$ sudo ethtool eth7
dmesg:
[ 103.510336] BUG: kernel NULL pointer dereference, address: 0000000000000340
...
[ 103.510836] RIP: 0010:phy_ethtool_get_wol+0x5/0x30 [libphy]
...
[ 103.511629] Call Trace:
[ 103.511666] lan743x_ethtool_get_wol+0x21/0x40 [lan743x]
[ 103.511724] dev_ethtool+0x1507/0x29d0
[ 103.511769] ? avc_has_extended_perms+0x17f/0x440
[ 103.511820] ? tomoyo_init_request_info+0x84/0x90
[ 103.511870] ? tomoyo_path_number_perm+0x68/0x1e0
[ 103.511919] ? tty_insert_flip_string_fixed_flag+0x82/0xe0
[ 103.511973] ? inet_ioctl+0x187/0x1d0
[ 103.512016] dev_ioctl+0xb5/0x560
[ 103.512055] sock_do_ioctl+0xa0/0x140
[ 103.512098] sock_ioctl+0x2cb/0x3c0
[ 103.512139] __x64_sys_ioctl+0x84/0xc0
[ 103.512183] do_syscall_64+0x33/0x80
[ 103.512224] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 103.512274] RIP: 0033:0x7f54a9cba427
...
Previous versions can be found at:
v1:
initial version
https://lkml.org/lkml/2020/10/28/921
v2:
do not return from lan743x_ethtool_set_wol if netdev->phydev == NULL, just skip
the call of phy_ethtool_set_wol() instead.
https://lkml.org/lkml/2020/10/31/380
v3:
in function lan743x_ethtool_set_wol:
use ternary operator instead of if-else sentence (review by Markus Elfring)
return -ENETDOWN insted of -EIO (review by Andrew Lunn)
Signed-off-by: Sergej Bauer <sbauer@blackbox.su>
Link: https://lore.kernel.org/r/20201101223556.16116-1-sbauer@blackbox.su
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We had to remove flag IRQF_NO_THREAD because it conflicts with shared
interrupts in case legacy interrupts are used. Following up on the
linked discussion set IRQF_NO_THREAD if MSI or MSI-X is used, because
both guarantee that interrupt won't be shared.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://www.spinics.net/lists/netdev/msg695341.html
Link: https://lore.kernel.org/r/446cf5b8-dddd-197f-cb96-66783141ade4@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Lowest number of tx descriptors used in the vendor drivers is 256 in
r8169. r8101/r8168/r8125 use 1024 what seems to be the hw limit. Stay
on the safe side and go with 256, same as number of rx descriptors.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/a52a6de4-f792-5038-ae2f-240d3b7860eb@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Ido Schimmel says:
====================
mlxsw: spectrum: Prepare for XM implementation - LPM trees
Jiri says:
This is a preparation patchset for follow-up support of boards with
extended mezzanine (XM), which are going to allow extended (scale-wise)
router offload.
XM requires a separate set of PRM registers to be used to configure LPM
trees. Therefore, this patchset introduces operations that allow
different implementations of tree configuration for legacy router
offload and the XM router offload.
====================
Link: https://lore.kernel.org/r/20201101134215.713708-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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regs
In preparation for support of XM router implementation which uses
different registers to work with trees and FIB entries, introduce
a structure to hold low-level ops and implement tree manipulation
register ops.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a couple of registers used to manipulate LPM trees on XM:
The XRALTA is used to allocate the XLT LPM trees.
The XRALST is used to set and query the structure of an XLT LPM tree.
The XRALTB register is used to bind virtual router and protocol to
an allocated LPM tree.
Since the XM registers are identical to the legacy router registers
with a fixed offset, re-use their pack functions.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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pcluster should be only set up for all managed pages instead of
temporary pages. Since it currently uses page->mapping to identify,
the impact is minor for now.
[ Update: Vladimir reported the kernel log becomes polluted
because PAGE_FLAGS_CHECK_AT_FREE flag(s) set if the page
allocation debug option is enabled. ]
Link: https://lore.kernel.org/r/20201022145724.27284-1-hsiangkao@aol.com
Fixes: 5ddcee1f3a1c ("erofs: get rid of __stagingpage_alloc helper")
Cc: <stable@vger.kernel.org> # 5.5+
Tested-by: Vladimir Zapolskiy <vladimir@tuxera.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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EROFS has _only one_ ondisk timestamp (ctime is currently
documented and recorded, we might also record mtime instead
with a new compat feature if needed) for each extended inode
since EROFS isn't mainly for archival purposes so no need to
keep all timestamps on disk especially for Android scenarios
due to security concerns. Also, romfs/cramfs don't have their
own on-disk timestamp, and squashfs only records mtime instead.
Let's also derive access time from ondisk timestamp rather than
leaving it empty, and if mtime/atime for each file are really
needed for specific scenarios as well, we can also use xattrs
to record them then.
Link: https://lore.kernel.org/r/20201031195102.21221-1-hsiangkao@aol.com
[ Gao Xiang: It'd be better to backport for user-friendly concern. ]
Fixes: 431339ba9042 ("staging: erofs: add inode operations")
Cc: stable <stable@vger.kernel.org> # 4.19+
Reported-by: nl6720 <nl6720@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
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Silence suspicious RCU usage warning in ovs_flow_tbl_masks_cache_resize()
by replacing rcu_dereference() with rcu_dereference_ovsl().
In addition, when creating a new datapath, make sure it's configured under
the ovs_lock.
Fixes: 9bf24f594c6a ("net: openvswitch: make masks cache size configurable")
Reported-by: syzbot+9a8f8bfcc56e8578016c@syzkaller.appspotmail.com
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160439190002.56943.1418882726496275961.stgit@ebuild
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Alexander Lobakin says:
====================
net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs
NETIF_F_GSO_UDP_L4 and NETIF_F_GSO_FRAGLIST allow drivers to offload
GSO UDP L4. This works well on simple setups, but when any logical
netdev (e.g. VLAN) is present, kernel stack always performs software
resegmentation which actually kills the performance.
The full path in such cases is like:
1. Our NIC driver advertises a support for fraglists, GSO UDP L4, GSO
fraglists.
2. User enables fraglisted GRO via Ethtool.
3. GRO subsystem receives UDP frames from driver and merges the packets
into fraglisted GSO skb(s).
4. Networking stack queues it up for xmitting.
5. Virtual device like VLAN doesn't advertise a support for GSO UDP L4
and GSO fraglists, so skb_gso_check() doesn't allow to pass this skb
as is to the real driver.
6. Kernel then has to form a bunch of regular UDP skbs from that one and
pass it to the driver instead. This fallback is *extremely* slow for
any GSO types, but especially for GSO fraglists.
7. All further processing performs with a series of plain UDP skbs, and
the driver gets it one-by-one, despite that it supports UDP L4 and
fraglisted GSO.
That's not OK because:
a) logical/virtual netdevs like VLANs, bridges etc. should pass GSO skbs
as is;
b) even if the final driver doesn't support such type of GSO, this
software resegmenting should be performed right before it, not in the
middle of processing -- I think I even saw that note somewhere in
kernel documentation, and it's totally reasonable in terms of
performance.
Despite the fact that no mainline drivers currently supports fraglist
GSO, this should and can be easily fixed by adding UDP L4 and fraglist
GSO to the list of GSO types that can be passed-through the logical
interfaces (NETIF_F_GSO_SOFTWARE). After this change, no resegmentation
occurs (if a particular driver supports and advertises this), and the
performance goes on par with e.g. 1:1 forwarding.
The only logical netdevs that seem to be unaffected to this are bridge
interfaces, as their code uses full NETIF_F_GSO_MASK.
Tested on MIPS32 R2 router board with a WIP NIC driver in VLAN NAT:
20 Mbps baseline, 1 Gbps / link speed with this patch.
Since v1 [1]:
- handle bonding and team drivers as suggested by Willem de Bruijn;
- reword and expand the introduction with the particular example.
[1] https://lore.kernel.org/netdev/Mx3BWGop6fGORN6Cpo4mHIHz2b1bb0eLxeMG8vsijnk@cp3-web-020.plabs.ch
====================
Link: https://lore.kernel.org/r/NysZRGMkuWq0KPTCJ1Dz2FTjRkeJXDH3edVrsEeJkQI@cp4-web-036.plabs.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Virtual netdevs should use NETIF_F_GSO_SOFTWARE to forward GSO skbs
as-is and let the final drivers deal with them when supported.
Also remove NETIF_F_GSO_UDP_L4 from bonding and team drivers as it's
now included in the "software" list.
Suggested-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.") and
commit 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.") made UDP L4
and fraglisted GRO/GSO fully supported by the software fallback mode.
We can safely add them to NETIF_F_GSO_SOFTWARE to allow logical/virtual
netdevs to forward these types of skbs up to the real drivers.
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/net_failover.c:711: warning: Function parameter or member 'standby_dev' not described in 'net_failover_create'
drivers/net/net_failover.c:711: warning: Excess function parameter 'dev' description in 'net_failover_create'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-30-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/netconsole.c:104: warning: Function parameter or member 'extended' not described in 'netconsole_target'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-29-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/usb/r8152.c:992: warning: Function parameter or member 'mode_pre' not described in 'fw_phy_nc'
drivers/net/usb/r8152.c:992: warning: Function parameter or member 'mode_post' not described in 'fw_phy_nc'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Link: https://lore.kernel.org/r/20201102114512.1062724-28-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/macvlan.c:1350: warning: Function parameter or member 'vlan' not described in 'macvlan_changelink_sources'
drivers/net/macvlan.c:1350: warning: Function parameter or member 'mode' not described in 'macvlan_changelink_sources'
drivers/net/macvlan.c:1350: warning: Function parameter or member 'data' not described in 'macvlan_changelink_sources'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-27-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/macsec.c:113: warning: Function parameter or member 'gro_cells' not described in 'macsec_dev'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-26-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/usb/lan78xx.c: In function ‘lan78xx_read_raw_otp’:
drivers/net/usb/lan78xx.c:825:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_write_raw_otp’:
drivers/net/usb/lan78xx.c:879:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_deferred_multicast_write’:
drivers/net/usb/lan78xx.c:1041:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_update_flowcontrol’:
drivers/net/usb/lan78xx.c:1127:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_init_mac_address’:
drivers/net/usb/lan78xx.c:1666:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_link_status_change’:
drivers/net/usb/lan78xx.c:1841:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_irq_bus_sync_unlock’:
drivers/net/usb/lan78xx.c:1920:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan8835_fixup’:
drivers/net/usb/lan78xx.c:1994:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_set_rx_max_frame_length’:
drivers/net/usb/lan78xx.c:2192:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_change_mtu’:
drivers/net/usb/lan78xx.c:2270:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_set_mac_addr’:
drivers/net/usb/lan78xx.c:2299:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_set_features’:
drivers/net/usb/lan78xx.c:2333:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/net/usb/lan78xx.c: In function ‘lan78xx_set_suspend’:
drivers/net/usb/lan78xx.c:3807:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-25-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/ieee802154/ca8210.c:724: warning: Function parameter or member 'cas_ctl' not described in 'ca8210_rx_done'
drivers/net/ieee802154/ca8210.c:724: warning: Excess function parameter 'cas_ctrl' description in 'ca8210_rx_done'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-24-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/usb/r8152.c:934: warning: Function parameter or member 'blk_hdr' not described in 'fw_mac'
drivers/net/usb/r8152.c:934: warning: Function parameter or member 'reserved' not described in 'fw_mac'
drivers/net/usb/r8152.c:947: warning: Function parameter or member 'blk_hdr' not described in 'fw_phy_patch_key'
drivers/net/usb/r8152.c:947: warning: Function parameter or member 'reserved' not described in 'fw_phy_patch_key'
drivers/net/usb/r8152.c:986: warning: Function parameter or member 'blk_hdr' not described in 'fw_phy_nc'
drivers/net/usb/r8152.c:986: warning: Function parameter or member 'mode_pre' not described in 'fw_phy_nc'
drivers/net/usb/r8152.c:986: warning: Function parameter or member 'mode_post' not described in 'fw_phy_nc'
drivers/net/usb/r8152.c:986: warning: Function parameter or member 'reserved' not described in 'fw_phy_nc'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Link: https://lore.kernel.org/r/20201102114512.1062724-23-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/ieee802154/ca8210.c:326: warning: Function parameter or member 'readq' not described in 'ca8210_test'
drivers/net/ieee802154/ca8210.c:375: warning: Function parameter or member 'spi_transfer_complete' not described in 'ca8210_priv'
drivers/net/ieee802154/ca8210.c:375: warning: Function parameter or member 'sync_exchange_complete' not described in 'ca8210_priv'
drivers/net/ieee802154/ca8210.c:375: warning: Function parameter or member 'promiscuous' not described in 'ca8210_priv'
drivers/net/ieee802154/ca8210.c:430: warning: Function parameter or member 'short_address' not described in 'macaddr'
drivers/net/ieee802154/ca8210.c:723: warning: Function parameter or member 'cas_ctl' not described in 'ca8210_rx_done'
drivers/net/ieee802154/ca8210.c:723: warning: Excess function parameter 'arg' description in 'ca8210_rx_done'
drivers/net/ieee802154/ca8210.c:1289: warning: Excess function parameter 'device_ref' description in 'tdme_checkpibattribute'
drivers/net/ieee802154/ca8210.c:3054: warning: Function parameter or member 'spi_device' not described in 'ca8210_remove'
drivers/net/ieee802154/ca8210.c:3054: warning: Excess function parameter 'priv' description in 'ca8210_remove'
drivers/net/ieee802154/ca8210.c:3104: warning: Function parameter or member 'spi_device' not described in 'ca8210_probe'
drivers/net/ieee802154/ca8210.c:3104: warning: Excess function parameter 'priv' description in 'ca8210_probe'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-21-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/ess.c:43:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-20-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/drvfbi.c:26:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-19-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/srf.c:30:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-17-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/hwt.c:31:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-16-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/smttimer.c:22:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-15-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/smtinit.c:23:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-12-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/smtdef.c:26:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-11-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/rmt.c:49:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-10-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/queue.c:22:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-9-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/pmf.c:28:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-8-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/pcmplc.c:49:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-4-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This variable is present in many source files and has not been used
anywhere (at least internally) since it was introduced.
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/ecm.c: In function ‘ecm_fsm’:
drivers/net/fddi/skfp/ecm.c:44:19: warning: ‘ID_sccs’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-3-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
When AIX_EVENT is not defined, the 'if' body will be empty, which
makes GCC complain. Place bracketing around the invocation to protect
it.
Fixes the following W=1 kernel build warning(s):
drivers/net/fddi/skfp/ecm.c: In function ‘ecm_fsm’:
drivers/net/fddi/skfp/ecm.c:153:29: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201102114512.1062724-2-lee.jones@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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|
Since __vma_release is run by a kworker after the fence has been
signaled, it is no longer protected by the active reference on the vma,
and so the alias of vw->pinned to vma->obj is also not protected by a
reference on the object. Add an explicit reference for vw->pinned so it
will always be safe.
Found by inspection.
Fixes: 54d7195f8c64 ("drm/i915: Unpin vma->obj on early error")
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.6+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102161931.30031-1-chris@chris-wilson.co.uk
(cherry picked from commit bc73e5d33048b7ab5f12b11b5d923700467a8e1d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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|
In a simple test case that writes to scratch and then busy-waits for the
batch to be signaled, we observe that the signal is before the write is
posted. That is bad news.
Splitting the flush + write_dword into two separate flush_dw prevents
the issue from being reproduced, we can presume the post-sync op is not
so post-sync.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/216
Testcase: igt/gem_exec_fence/parallel
Testcase: igt/i915_selftest/live/gt_timelines
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: stable@vger.kernel.org
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102221057.29626-2-chris@chris-wilson.co.uk
(cherry picked from commit 09212e81e5450743e5b06b27c4e344e4c45b630d)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Add another lower level to emit_ggtt_write so that the GGTT nature of
the write is not hardcoded into the emitter.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201102221057.29626-1-chris@chris-wilson.co.uk
(cherry picked from commit 2739d8cfc50aafff49d599cc0a5bc855445e99a7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The atomic check hooks must look up the encoder to be used with a
connector from the connector's atomic state, and not assume that it's
the connector's current attached encoder. The latter one can change
under the atomic check func, or can be unset yet as in the case of MST
connectors.
This fixes
[ 7.940719] Oops: 0000 [#1] SMP NOPTI
[ 7.944407] CPU: 2 PID: 143 Comm: kworker/2:2 Not tainted 5.6.0-1023-oem #23-Ubuntu
[ 7.952102] Hardware name: Dell Inc. Latitude 7320/, BIOS 88.87.11 09/07/2020
[ 7.959278] Workqueue: events output_poll_execute [drm_kms_helper]
[ 7.965511] RIP: 0010:intel_psr_atomic_check+0x37/0xa0 [i915]
[ 7.971327] Code: 80 2d 06 00 00 20 74 42 80 b8 34 71 00 00 00 74 39 48 8b 72 08 48 85 f6 74 30 80 b8 f8 71 00 00 00 74 27 4c 8b 87 80 04 00 00 <41> 8b 78 78 83 ff 08 77 19 31 c9 83 ff 05 77 19 48 81 c1 20 01 00
[ 7.977541] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input5
[ 7.990154] RSP: 0018:ffffb864c073fac8 EFLAGS: 00010202
[ 7.990155] RAX: ffff8c5d55ce0000 RBX: ffff8c5d54519000 RCX: 0000000000000000
[ 7.990155] RDX: ffff8c5d55cb30c0 RSI: ffff8c5d89a0c800 RDI: ffff8c5d55fcf800
[ 7.990156] RBP: ffffb864c073fac8 R08: 0000000000000000 R09: ffff8c5d55d9f3a0
[ 7.990156] R10: ffff8c5d55cb30c0 R11: 0000000000000009 R12: ffff8c5d55fcf800
[ 7.990156] R13: ffff8c5d55cb30c0 R14: ffff8c5d56989cc0 R15: ffff8c5d56989cc0
[ 7.990158] FS: 0000000000000000(0000) GS:ffff8c5d8e480000(0000) knlGS:0000000000000000
[ 8.047193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8.052970] CR2: 0000000000000078 CR3: 0000000856500005 CR4: 0000000000760ee0
[ 8.060137] PKRU: 55555554
[ 8.062867] Call Trace:
[ 8.065361] intel_digital_connector_atomic_check+0x53/0x130 [i915]
[ 8.071703] intel_dp_mst_atomic_check+0x5b/0x200 [i915]
[ 8.077074] drm_atomic_helper_check_modeset+0x1db/0x790 [drm_kms_helper]
[ 8.083942] intel_atomic_check+0x92/0xc50 [i915]
[ 8.088705] ? drm_plane_check_pixel_format+0x4f/0xb0 [drm]
[ 8.094345] ? drm_atomic_plane_check+0x7a/0x3a0 [drm]
[ 8.099548] drm_atomic_check_only+0x2b1/0x450 [drm]
[ 8.104573] drm_atomic_commit+0x18/0x50 [drm]
[ 8.109070] drm_client_modeset_commit_atomic+0x1c9/0x200 [drm]
[ 8.115056] drm_client_modeset_commit_force+0x55/0x160 [drm]
[ 8.120866] drm_fb_helper_restore_fbdev_mode_unlocked+0x54/0xb0 [drm_kms_helper]
[ 8.128415] drm_fb_helper_set_par+0x34/0x50 [drm_kms_helper]
[ 8.134225] drm_fb_helper_hotplug_event.part.0+0xb4/0xe0 [drm_kms_helper]
[ 8.141150] drm_fb_helper_hotplug_event+0x1c/0x30 [drm_kms_helper]
[ 8.147481] intel_fbdev_output_poll_changed+0x6f/0xa0 [i915]
[ 8.153287] drm_kms_helper_hotplug_event+0x2c/0x40 [drm_kms_helper]
[ 8.159709] output_poll_execute+0x1aa/0x1c0 [drm_kms_helper]
[ 8.165506] process_one_work+0x1e8/0x3b0
[ 8.169561] worker_thread+0x4d/0x400
[ 8.173249] kthread+0x104/0x140
[ 8.176515] ? process_one_work+0x3b0/0x3b0
[ 8.180726] ? kthread_park+0x90/0x90
[ 8.184416] ret_from_fork+0x1f/0x40
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2361
References: https://gitlab.freedesktop.org/drm/intel/-/issues/2486
Reported-by: William Tseng <william.tseng@intel.com>
Reported-by: Cooper Chiou <cooper.chiou@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027160928.3665377-1-imre.deak@intel.com
(cherry picked from commit 00e5deb5c4f5fe367311465e720e65cfa1178792)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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We wrap the timeline on construction of the next request, but there may
still be requests in flight that have not yet finalized the breadcrumb.
(The breadcrumb is delayed as we need engine-local offsets, and for the
virtual engine that is not known until execution.) As such, by the time
we write to the timeline's HWSP offset it may have changed, and we
should use the value we preserved in the request instead.
Though the window is small and infrequent (at full flow we can expect a
timeline's seqno to wrap once every 30 minutes), the impact of writing
the old seqno into the new HWSP is severe: the old requests are never
completed, and the new requests are completed before they are even
submitted.
Fixes: ebece7539242 ("drm/i915: Keep timeline HWSP allocated until idle across the system")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.2+
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201022064127.10159-1-chris@chris-wilson.co.uk
(cherry picked from commit c10f6019d0b2dc8a6a62b55459f3ada5bc4e5e1a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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