Commit Graph

968468 Commits

Author SHA1 Message Date
Linus Torvalds b650545978 Linux 5.10-rc6 2020-11-29 15:50:50 -08:00
Sebastian Reichel 7c4bada12d drm/panel: sony-acx565akm: Fix race condition in probe
The probe routine acquires the reset GPIO using GPIOD_OUT_LOW. Directly
afterwards it calls acx565akm_detect(), which sets the GPIO value to
HIGH. If the bootloader initialized the GPIO to HIGH before the probe
routine was called, there is only a very short time period of a few
instructions where the reset signal is LOW. Exact time depends on
compiler optimizations, kernel configuration and alignment of the stars,
but I expect it to be always way less than 10us. There are no public
datasheets for the panel, but acx565akm_power_on() has a comment with
timings and reset period should be at least 10us. So this potentially
brings the panel into a half-reset state.

The result is, that panel may not work after boot and can get into a
working state by re-enabling it (e.g. by blanking + unblanking), since
that does a clean reset cycle. This bug has recently been hit by Ivaylo
Dimitrov, but there are some older reports which are probably the same
bug. At least Tony Lindgren, Peter Ujfalusi and Jarkko Nikula have
experienced it in 2017 describing the blank/unblank procedure as
possible workaround.

Note, that the bug really goes back in time. It has originally been
introduced in the predecessor of the omapfb driver in commit 3c45d05be3
("OMAPDSS: acx565akm panel: handle gpios in panel driver") in 2012.
That driver eventually got replaced by a newer one, which had the bug
from the beginning in commit 84192742d9 ("OMAPDSS: Add Sony ACX565AKM
panel driver") and still exists in fbdev world. That driver has later
been copied to omapdrm and then was used as a basis for this driver.
Last but not least the omapdrm specific driver has been removed in
commit 45f16c82db ("drm/omap: displays: Remove unused panel drivers").

Reported-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes: 1c8fc3f0c5 ("drm/panel: Add driver for the Sony ACX565AKM panel")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Tested-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201127200429.129868-1-sebastian.reichel@collabora.com
2020-11-29 22:38:12 +01:00
Linus Torvalds f91a3aa6bc Yet two more places which invoke tracing from RCU disabled regions in the
idle path. Similar to the entry path the low level idle functions have to
 be non-instrumentable.
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Merge tag 'locking-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Thomas Gleixner:
 "Two more places which invoke tracing from RCU disabled regions in the
  idle path.

  Similar to the entry path the low level idle functions have to be
  non-instrumentable"

* tag 'locking-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  intel_idle: Fix intel_idle() vs tracing
  sched/idle: Fix arch_cpu_idle() vs tracing
2020-11-29 11:19:26 -08:00
Linus Torvalds 8b7a51ba26 Two fixes for irqchip drivers:
- Save and restore the GICV3 ITS state unconditionally on suspend/resume
     to handle firmware which fails to do so.
 
   - Use the correct index into the fwspec parameters to read the irq
     trigger type in the EXIU chip driver.
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Merge tag 'irq-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Two fixes for irqchip drivers:

   - Save and restore the GICV3 ITS state unconditionally on
     suspend/resume to handle firmware which fails to do so.

   - Use the correct index into the fwspec parameters to read the irq
     trigger type in the EXIU chip driver"

* tag 'irq-urgent-2020-11-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3-its: Unconditionally save/restore the ITS state on suspend
  irqchip/exiu: Fix the index of fwspec for IRQ type
2020-11-29 11:06:57 -08:00
Linus Torvalds 1214917e00 More EFI fixes for v5.10-rc:
- revert efivarfs kmemleak fix again - it was a false positive;
 - make CONFIG_EFI_EARLYCON depend on CONFIG_EFI explicitly so it does not
   pull in other dependencies unnecessarily if CONFIG_EFI is not set
 - defer attempts to load SSDT overrides from EFI vars until after the
   efivar layer is up.
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Merge tag 'efi-urgent-for-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI fixes from Borislav Petkov:
 "More EFI fixes forwarded from Ard Biesheuvel:

   - revert efivarfs kmemleak fix again - it was a false positive

   - make CONFIG_EFI_EARLYCON depend on CONFIG_EFI explicitly so it does
     not pull in other dependencies unnecessarily if CONFIG_EFI is not
     set

   - defer attempts to load SSDT overrides from EFI vars until after the
     efivar layer is up"

* tag 'efi-urgent-for-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: EFI_EARLYCON should depend on EFI
  efivarfs: revert "fix memory leak in efivarfs_create()"
  efi/efivars: Set generic ops before loading SSDT
2020-11-29 10:18:53 -08:00
Linus Torvalds 7255a39d24 - Two resctrl fixes to prevent refcount leaks when manipulating the
resctrl fs (Xiaochen Shen)
 
 - Correct prctl(PR_GET_SPECULATION_CTRL) reporting (Anand K Mistry)
 
 - A fix to not lose already seen MCE severity which determines whether
   the machine can recover (Gabriele Paoloni)
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Merge tag 'x86_urgent_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:
 "A couple of urgent fixes which accumulated this last week:

   - Two resctrl fixes to prevent refcount leaks when manipulating the
     resctrl fs (Xiaochen Shen)

   - Correct prctl(PR_GET_SPECULATION_CTRL) reporting (Anand K Mistry)

   - A fix to not lose already seen MCE severity which determines
     whether the machine can recover (Gabriele Paoloni)"

* tag 'x86_urgent_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Do not overwrite no_way_out if mce_end() fails
  x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
  x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
  x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount leak
2020-11-29 10:08:17 -08:00
Paul Kocialkowski aec9fe8928 drm/rockchip: Avoid uninitialized use of endpoint id in LVDS
In the Rockchip DRM LVDS component driver, the endpoint id provided to
drm_of_find_panel_or_bridge is grabbed from the endpoint's reg property.

However, the property may be missing in the case of a single endpoint.
Initialize the endpoint_id variable to 0 to avoid using an
uninitialized variable in that case.

Fixes: 34cc0aa254 ("drm/rockchip: Add support for Rockchip Soc LVDS")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201110200430.1713467-1-paul.kocialkowski@bootlin.com
2020-11-29 17:33:32 +01:00
Linus Torvalds aae5ab854e RISC-V Fixes for 5.10-rc6
I've collected a handful of fixes over the past few weeks:
 
 * A fix to un-break the build-id argument to the vDSO build, which is necessary
   for the LLVM linker.
 * A fix to initialize the jump label subsystem, without which it (and all the
   stuff that uses it) doesn't actually function.
 * A fix to include <asm/barrier.h> from <vdso/processor.h>, without which some
   drivers won't compile.
 
 I know it's the holidays, but I had some hiccups getting this tested earlier
 this week so it's just going out now.  None of these are tremendously urgent,
 so if they don't make rc6 it's not a big deal.  I'll have some more fixes
 coming next week either way.
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Merge tag 'riscv-for-linus-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:
 "I've collected a handful of fixes over the past few weeks:

   - A fix to un-break the build-id argument to the vDSO build, which is
     necessary for the LLVM linker.

   - A fix to initialize the jump label subsystem, without which it (and
     all the stuff that uses it) doesn't actually function.

   - A fix to include <asm/barrier.h> from <vdso/processor.h>, without
     which some drivers won't compile"

* tag 'riscv-for-linus-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: fix barrier() use in <vdso/processor.h>
  RISC-V: Add missing jump label initialization
  riscv: Explicitly specify the build id style in vDSO Makefile again
2020-11-28 15:53:30 -08:00
Krzysztof Kozlowski 4d521943f7 dt-bindings: net: correct interrupt flags in examples
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning:
1. GPIO_ACTIVE_HIGH = 0 = IRQ_TYPE_NONE
2. GPIO_ACTIVE_LOW  = 1 = IRQ_TYPE_EDGE_RISING

Correct the interrupt flags, assuming the author of the code wanted same
logical behavior behind the name "ACTIVE_xxx", this is:
  ACTIVE_LOW  => IRQ_TYPE_LEVEL_LOW
  ACTIVE_HIGH => IRQ_TYPE_LEVEL_HIGH

Fixes: a1a8b4594f ("NFC: pn544: i2c: Add DTS Documentation")
Fixes: 6be88670fc ("NFC: nxp-nci_i2c: Add I2C support to NXP NCI driver")
Fixes: e3b3292215 ("dt-bindings: can: tcan4x5x: Update binding to use interrupt property")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for tcan4x5x.txt
Link: https://lore.kernel.org/r/20201026153620.89268-1-krzk@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 14:47:56 -08:00
Jakub Kicinski 6548755c55 Merge branch 'ibmvnic-assorted-bug-fixes'
Dany Madden says:

====================
ibmvnic: assorted bug fixes

Assorted fixes for ibmvnic originated from "[PATCH net 00/15] ibmvnic:
assorted bug fixes" sent by Lijun Pan.
====================

Link: https://lore.kernel.org/r/20201126000432.29897-1-drt@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:51 -08:00
Dany Madden 98c41f04a6 ibmvnic: reduce wait for completion time
Reduce the wait time for Command Response Queue response from 30 seconds
to 20 seconds, as recommended by VIOS and Power Hypervisor teams.

Fixes: bd0b672313 ("ibmvnic: Move login and queue negotiation into ibmvnic_open")
Fixes: 53da09e929 ("ibmvnic: Add set_link_state routine for setting adapter link state")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:49 -08:00
Dany Madden a86d5c682b ibmvnic: no reset timeout for 5 seconds after reset
Reset timeout is going off right after adapter reset. This patch ensures
that timeout is scheduled if it has been 5 seconds since the last reset.
5 seconds is the default watchdog timeout.

Fixes: ed651a1087 ("ibmvnic: Updated reset handling")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Dany Madden c98d9cc417 ibmvnic: send_login should check for crq errors
send_login() does not check for the result of ibmvnic_send_crq() of the
login request. This results in the driver needlessly retrying the login
10 times even when CRQ is no longer active. Check the return code and
give up in case of errors in sending the CRQ.

The only time we want to retry is if we get a PARITALSUCCESS response
from the partner.

Fixes: 032c5e8284 ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Sukadev Bhattiprolu 76cdc5c5d9 ibmvnic: track pending login
If after ibmvnic sends a LOGIN it gets a FAILOVER, it is possible that
the worker thread will start reset process and free the login response
buffer before it gets a (now stale) LOGIN_RSP. The ibmvnic tasklet will
then try to access the login response buffer and crash.

Have ibmvnic track pending logins and discard any stale login responses.

Fixes: 032c5e8284 ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Sukadev Bhattiprolu f15fde9d47 ibmvnic: delay next reset if hard reset fails
If auto-priority failover is enabled, the backing device needs time
to settle if hard resetting fails for any reason. Add a delay of 60
seconds before retrying the hard-reset.

Fixes: 2770a7984d ("ibmvnic: Introduce hard reset recovery")
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Dany Madden 0cb4bc66ba ibmvnic: restore adapter state on failed reset
In a failed reset, driver could end up in VNIC_PROBED or VNIC_CLOSED
state and cannot recover in subsequent resets, leaving it offline.
This patch restores the adapter state to reset_state, the original
state when reset was called.

Fixes: b27507bb59 ("net/ibmvnic: unlock rtnl_lock in reset so linkwatch_event can run")
Fixes: 2770a7984d ("ibmvnic: Introduce hard reset recovery")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Dany Madden 9281cf2d58 ibmvnic: avoid memset null scrq msgs
scrq->msgs could be NULL during device reset, causing Linux to crash.
So, check before memset scrq->msgs.

Fixes: c8b2ad0a4a ("ibmvnic: Sanitize entire SCRQ buffer on reset")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Dany Madden 18f141bf97 ibmvnic: stop free_all_rwi on failed reset
When ibmvnic fails to reset, it breaks out of the reset loop and frees
all of the remaining resets from the workqueue. Doing so prevents the
adapter from recovering if no reset is scheduled after that. Instead,
have the driver continue to process resets on the workqueue.

Remove the no longer need free_all_rwi().

Fixes: ed651a1087 ("ibmvnic: Updated reset handling")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Dany Madden 31d6b40360 ibmvnic: handle inconsistent login with reset
Inconsistent login with the vnicserver is causing the device to be
removed. This does not give the device a chance to recover from error
state. This patch schedules a FATAL reset instead to bring the adapter
up.

Fixes: 032c5e8284 ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:26:48 -08:00
Jakub Kicinski bd2d5c54dc Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

1) Fix insufficient validation of IPSET_ATTR_IPADDR_IPV6 reported
   by syzbot.

2) Remove spurious reports on nf_tables when lockdep gets disabled,
   from Florian Westphal.

3) Fix memleak in the error path of error path of
   ip_vs_control_net_init(), from Wang Hai.

4) Fix missing control data in flow dissector, otherwise IP address
   matching in hardware offload infra does not work.

5) Fix hardware offload match on prefix IP address when userspace
   does not send a bitwise expression to represent the prefix.

* git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf:
  netfilter: nftables_offload: build mask based from the matching bytes
  netfilter: nftables_offload: set address type in control dissector
  ipvs: fix possible memory leak in ip_vs_control_net_init
  netfilter: nf_tables: avoid false-postive lockdep splat
  netfilter: ipset: prevent uninit-value in hash_ip6_add
====================

Link: https://lore.kernel.org/r/20201127190313.24947-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:20:23 -08:00
Davide Caratti e14038a7ea selftests: tc-testing: enable CONFIG_NET_SCH_RED as a module
a proper kernel configuration for running kselftest can be obtained with:

 $ yes | make kselftest-merge

enable compile support for the 'red' qdisc: otherwise, tdc kselftest fail
when trying to run tdc test items contained in red.json.

Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/cfa23f2d4f672401e6cebca3a321dd1901a9ff07.1606416464.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:18:34 -08:00
Guillaume Nault 1ebf179037 ipv4: Fix tos mask in inet_rtm_getroute()
When inet_rtm_getroute() was converted to use the RCU variants of
ip_route_input() and ip_route_output_key(), the TOS parameters
stopped being masked with IPTOS_RT_MASK before doing the route lookup.

As a result, "ip route get" can return a different route than what
would be used when sending real packets.

For example:

    $ ip route add 192.0.2.11/32 dev eth0
    $ ip route add unreachable 192.0.2.11/32 tos 2
    $ ip route get 192.0.2.11 tos 2
    RTNETLINK answers: No route to host

But, packets with TOS 2 (ECT(0) if interpreted as an ECN bit) would
actually be routed using the first route:

    $ ping -c 1 -Q 2 192.0.2.11
    PING 192.0.2.11 (192.0.2.11) 56(84) bytes of data.
    64 bytes from 192.0.2.11: icmp_seq=1 ttl=64 time=0.173 ms

    --- 192.0.2.11 ping statistics ---
    1 packets transmitted, 1 received, 0% packet loss, time 0ms
    rtt min/avg/max/mdev = 0.173/0.173/0.173/0.000 ms

This patch re-applies IPTOS_RT_MASK in inet_rtm_getroute(), to
return results consistent with real route lookups.

Fixes: 3765d35ed8 ("net: ipv4: Convert inet_rtm_getroute to rcu versions of route lookup")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/b2d237d08317ca55926add9654a48409ac1b8f5b.1606412894.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 13:14:23 -08:00
Jakub Kicinski 3771b82242 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2020-11-28

1) Do not reference the skb for xsk's generic TX side since when looped
   back into RX it might crash in generic XDP, from Björn Töpel.

2) Fix umem cleanup on a partially set up xsk socket when being destroyed,
   from Magnus Karlsson.

3) Fix an incorrect netdev reference count when failing xsk_bind() operation,
   from Marek Majtyka.

4) Fix bpftool to set an error code on failed calloc() in build_btf_type_table(),
   from Zhen Lei.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Add MAINTAINERS entry for BPF LSM
  bpftool: Fix error return value in build_btf_type_table
  net, xsk: Avoid taking multiple skbuff references
  xsk: Fix incorrect netdev reference count
  xsk: Fix umem cleanup bug at socket destruct
  MAINTAINERS: Update XDP and AF_XDP entries
====================

Link: https://lore.kernel.org/r/20201128005104.1205-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 12:04:57 -08:00
Jakub Kicinski 28d35ad083 Here are some batman-adv bugfixes:
- Fix head/tailroom issues for fragments, by Sven Eckelmann (3 patches)
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Merge tag 'batadv-net-pullrequest-20201127' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
Here are some batman-adv bugfixes:

 - Fix head/tailroom issues for fragments, by Sven Eckelmann (3 patches)

* tag 'batadv-net-pullrequest-20201127' of git://git.open-mesh.org/linux-merge:
  batman-adv: Don't always reallocate the fragmentation skb head
  batman-adv: Reserve needed_*room for fragments
  batman-adv: Consider fragmentation for needed_headroom
====================

Link: https://lore.kernel.org/r/20201127173849.19208-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 11:56:06 -08:00
Antoine Tenart 44f64f23ba netfilter: bridge: reset skb->pkt_type after NF_INET_POST_ROUTING traversal
Netfilter changes PACKET_OTHERHOST to PACKET_HOST before invoking the
hooks as, while it's an expected value for a bridge, routing expects
PACKET_HOST. The change is undone later on after hook traversal. This
can be seen with pairs of functions updating skb>pkt_type and then
reverting it to its original value:

For hook NF_INET_PRE_ROUTING:
  setup_pre_routing / br_nf_pre_routing_finish

For hook NF_INET_FORWARD:
  br_nf_forward_ip / br_nf_forward_finish

But the third case where netfilter does this, for hook
NF_INET_POST_ROUTING, the packet type is changed in br_nf_post_routing
but never reverted. A comment says:

  /* We assume any code from br_dev_queue_push_xmit onwards doesn't care
   * about the value of skb->pkt_type. */

But when having a tunnel (say vxlan) attached to a bridge we have the
following call trace:

  br_nf_pre_routing
  br_nf_pre_routing_ipv6
     br_nf_pre_routing_finish
  br_nf_forward_ip
     br_nf_forward_finish
  br_nf_post_routing           <- pkt_type is updated to PACKET_HOST
     br_nf_dev_queue_xmit      <- but not reverted to its original value
  vxlan_xmit
     vxlan_xmit_one
        skb_tunnel_check_pmtu  <- a check on pkt_type is performed

In this specific case, this creates issues such as when an ICMPv6 PTB
should be sent back. When CONFIG_BRIDGE_NETFILTER is enabled, the PTB
isn't sent (as skb_tunnel_check_pmtu checks if pkt_type is PACKET_HOST
and returns early).

If the comment is right and no one cares about the value of
skb->pkt_type after br_dev_queue_push_xmit (which isn't true), resetting
it to its original value should be safe.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20201123174902.622102-1-atenart@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 11:46:51 -08:00
Linus Torvalds 45e885c439 Kbuild fixes for v5.10
- Remove unused OBJSIZE variable.
 
  - Fix rootless deb-pkg build in a setgid directory.
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Merge tag 'kbuild-fixes-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Remove unused OBJSIZE variable.

 - Fix rootless deb-pkg build in a setgid directory.

* tag 'kbuild-fixes-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  builddeb: Fix rootless build in setuid/setgid directory
  kbuild: remove unused OBJSIZE
2020-11-28 10:42:30 -08:00
Linus Torvalds ca579827c9 perf tools for v5.10: 4th batch
- Fix die_entrypc() when DW_AT_ranges DWARF attribute not available.
 
 - Cope with broken DWARF (missing DW_AT_declaration) generated by some recent
   gcc versions.
 
 - Do not generate CGROUP metadata events when not asked to in 'perf record'.
 
 - Use proper CPU for shadow stats in 'perf stat'.
 
 - Update copy of libbpf's hashmap.c, silencing tools/perf build warning.
 
 - Fix return value in 'perf diff'.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 
 Test results:
 
 The first ones are container based builds of tools/perf with and without libelf
 support.  Where clang is available, it is also used to build perf with/without
 libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
 when clang and its devel libraries are installed.
 
 The objtool and samples/bpf/ builds are disabled now that I'm switching from
 using the sources in a local volume to fetching them from a http server to
 build it inside the container, to make it easier to build in a container cluster.
 Those will come back later.
 
 Several are cross builds, the ones with -x-ARCH and the android one, and those
 may not have all the features built, due to lack of multi-arch devel packages,
 available and being used so far on just a few, like
 debian:experimental-x-{arm64,mipsel}.
 
 The 'perf test' one will perform a variety of tests exercising
 tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
 with a variety of command line event specifications to then intercept the
 sys_perf_event syscall to check that the perf_event_attr fields are set up as
 expected, among a variety of other unit tests.
 
 Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
 with a variety of feature sets, exercising the build with an incomplete set of
 features as well as with a complete one. It is planned to have it run on each
 of the containers mentioned above, using some container orchestration
 infrastructure. Get in contact if interested in helping having this in place.
 
   $ grep "model name" -m1 /proc/cpuinfo
   model name: AMD Ryzen 9 3900X 12-Core Processor
   # export PERF_TARBALL=http://192.168.86.5/perf/perf-5.10.0-rc5.tar.xz
   # dm
    1    72.18 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
    2    73.21 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
    3    75.51 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
    4    83.89 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
    5    83.94 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
    6    85.79 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
    7   108.04 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
    8   123.68 alpine:3.11                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
    9   113.88 alpine:3.12                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
   10   122.10 alpine:edge                   : Ok   gcc (Alpine 10.2.0) 10.2.0, Alpine clang version 10.0.1
   11    71.55 alt:p8                        : Ok   x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
   12    86.63 alt:p9                        : Ok   x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 10.0.0
   13    86.03 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc (GCC) 9.3.1 20200518 (ALT Sisyphus 9.3.1-alt1), clang version 10.0.1
   14    69.12 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
   15   102.09 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-9), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
   16    22.62 android-ndk:r12b-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   17    22.46 android-ndk:r15c-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   18    12.26 centos:6                      : FAIL gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
 
         Ancient gcc get this wrong:
 
         /git/linux/tools/lib/bpf/libbpf.h:203: error: wrong number of arguments specified for 'deprecated' attribute
 
         But when using NO_LIBBPF we should not hit this, changes for that to happen will land in 5.11 as they require
         more surgery than advisable for this late in 5.10 rc.
 
   19    33.41 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
   20   120.63 centos:8                      : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 9.0.1 (Red Hat 9.0.1-2.module_el8.2.0+309+0c7b6b03)
   21    66.06 clearlinux:latest             : Ok   gcc (Clear Linux OS for Intel Architecture) 10.2.1 20201106 releases/gcc-10.2.0-475-g099857318c, clang version 10.0.1
   22    79.16 debian:8                      : Ok   gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
   23    81.78 debian:9                      : Ok   gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
   24    77.96 debian:10                     : Ok   gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
   25    94.99 debian:experimental           : Ok   gcc (Debian 10.2.0-17) 10.2.0, Debian clang version 11.0.0-5
   26    31.16 debian:experimental-x-mips64  : Ok   mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
   27    31.70 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
   28    32.24 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
   29    72.56 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
   30    84.45 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
   31    26.11 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
   32    87.01 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
   33    96.83 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
   34    97.03 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
   35   110.42 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
   36   114.68 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
   37   119.29 fedora:30                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
   38    25.98 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
   39   118.15 fedora:31                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-4.fc31)
   40   100.29 fedora:32                     : Ok   gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6), clang version 10.0.1 (Fedora 10.0.1-3.fc32)
   41    99.38 fedora:33                     : Ok   gcc (GCC) 10.2.1 20201005 (Red Hat 10.2.1-5), clang version 11.0.0 (Fedora 11.0.0-1.fc33)
   42   100.58 fedora:rawhide                : Ok   gcc (GCC) 10.2.1 20201112 (Red Hat 10.2.1-8), clang version 11.0.0 (Fedora 11.0.0-2.fc34)
   43    35.34 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.3.0-r1 p3) 9.3.0
   44    70.75 mageia:5                      : Ok   gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
   45    88.08 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
   46   102.70 manjaro:latest                : Ok   gcc (GCC) 10.2.0, clang version 10.0.1
   47   233.63 openmandriva:cooker           : Ok   gcc (GCC) 10.2.0 20200723 (OpenMandriva), OpenMandriva 11.0.0-1 clang version 11.0.0 (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang 63e22714ac938c6b537bd958f70680d3331a2030)
   48   122.85 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407], clang version 5.0.1 (tags/RELEASE_501/final 312548)
   49   129.40 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
   50   119.24 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 9.0.1
   51   118.04 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
   52   113.77 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 10.2.1 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c], clang version 10.0.1
   53    12.28 oraclelinux:6                 : FAIL gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
 
 	See explanation for centos:6
 
   54    32.96 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44.0.3)
   55   118.62 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
   56    28.53 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
   57    32.09 ubuntu:14.04                  : Ok   gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
   58    82.55 ubuntu:16.04                  : Ok   gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
   59    27.51 ubuntu:16.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   60    27.50 ubuntu:16.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   61    26.60 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   62    27.62 ubuntu:16.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   63    27.34 ubuntu:16.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   64    26.65 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   65    93.65 ubuntu:18.04                  : Ok   gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   66    29.22 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   67    28.99 ubuntu:18.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   68    23.38 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   69    28.46 ubuntu:18.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   70    29.81 ubuntu:18.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   71    29.57 ubuntu:18.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   72   163.50 ubuntu:18.04-x-riscv64        : Ok   riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   73    26.30 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   74    28.60 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   75    25.66 ubuntu:18.04-x-sparc64        : Ok   sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   76    71.98 ubuntu:19.10                  : Ok   gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
   77    27.80 ubuntu:19.10-x-alpha          : Ok   alpha-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   78    25.49 ubuntu:19.10-x-hppa           : Ok   hppa-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   79    77.46 ubuntu:20.04                  : Ok   gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, clang version 10.0.0-4ubuntu1
   80    31.63 ubuntu:20.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
   81    78.23 ubuntu:20.10                  : Ok   gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, Ubuntu clang version 11.0.0-2
   $
 
   # uname -a
   Linux quaco 5.9.11-100.fc32.x86_64 #1 SMP Tue Nov 24 19:16:53 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
   # git log --oneline -1
   a9ffd0484e perf probe: Change function definition check due to broken DWARF
   # perf version --build-options
   perf version 5.10.rc5.ga9ffd0484eb4
                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                      aio: [ on  ]  # HAVE_AIO_SUPPORT
                     zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
   # perf test
    1: vmlinux symtab matches kallsyms                                 : Ok
    2: Detect openat syscall event                                     : Ok
    3: Detect openat syscall event on all cpus                         : Ok
    4: Read samples using the mmap interface                           : Ok
    5: Test data source output                                         : Ok
    6: Parse event definition strings                                  : Ok
    7: Simple expression parser                                        : Ok
    8: PERF_RECORD_* events & perf_sample fields                       : Ok
    9: Parse perf pmu format                                           : Ok
   10: PMU events                                                      :
   10.1: PMU event table sanity                                        : Ok
   10.2: PMU event map aliases                                         : Ok
   10.3: Parsing of PMU event table metrics                            : Skip (some metrics failed)
   10.4: Parsing of PMU event table metrics with fake PMUs             : Ok
   11: DSO data read                                                   : Ok
   12: DSO data cache                                                  : Ok
   13: DSO data reopen                                                 : Ok
   14: Roundtrip evsel->name                                           : Ok
   15: Parse sched tracepoints fields                                  : Ok
   16: syscalls:sys_enter_openat event fields                          : Ok
   17: Setup struct perf_event_attr                                    : Ok
   18: Match and link multiple hists                                   : Ok
   19: 'import perf' in python                                         : Ok
   20: Breakpoint overflow signal handler                              : Ok
   21: Breakpoint overflow sampling                                    : Ok
   22: Breakpoint accounting                                           : Ok
   23: Watchpoint                                                      :
   23.1: Read Only Watchpoint                                          : Skip
   23.2: Write Only Watchpoint                                         : Ok
   23.3: Read / Write Watchpoint                                       : Ok
   23.4: Modify Watchpoint                                             : Ok
   24: Number of exit events of a simple workload                      : Ok
   25: Software clock events period values                             : Ok
   26: Object code reading                                             : Ok
   27: Sample parsing                                                  : Ok
   28: Use a dummy software event to keep tracking                     : Ok
   29: Parse with no sample_id_all bit set                             : Ok
   30: Filter hist entries                                             : Ok
   31: Lookup mmap thread                                              : Ok
   32: Share thread maps                                               : Ok
   33: Sort output of hist entries                                     : Ok
   34: Cumulate child hist entries                                     : Ok
   35: Track with sched_switch                                         : Ok
   36: Filter fds with revents mask in a fdarray                       : Ok
   37: Add fd to a fdarray, making it autogrow                         : Ok
   38: kmod_path__parse                                                : Ok
   39: Thread map                                                      : Ok
   40: LLVM search and compile                                         :
   40.1: Basic BPF llvm compile                                        : Ok
   40.2: kbuild searching                                              : Ok
   40.3: Compile source for BPF prologue generation                    : Ok
   40.4: Compile source for BPF relocation                             : Ok
   41: Session topology                                                : Ok
   42: BPF filter                                                      :
   42.1: Basic BPF filtering                                           : Ok
   42.2: BPF pinning                                                   : Ok
   42.3: BPF prologue generation                                       : Ok
   42.4: BPF relocation checker                                        : Ok
   43: Synthesize thread map                                           : Ok
   44: Remove thread map                                               : Ok
   45: Synthesize cpu map                                              : Ok
   46: Synthesize stat config                                          : Ok
   47: Synthesize stat                                                 : Ok
   48: Synthesize stat round                                           : Ok
   49: Synthesize attr update                                          : Ok
   50: Event times                                                     : Ok
   51: Read backward ring buffer                                       : Ok
   52: Print cpu map                                                   : Ok
   53: Merge cpu map                                                   : Ok
   54: Probe SDT events                                                : Ok
   55: is_printable_array                                              : Ok
   56: Print bitmap                                                    : Ok
   57: perf hooks                                                      : Ok
   58: builtin clang support                                           : Skip (not compiled in)
   59: unit_number__scnprintf                                          : Ok
   60: mem2node                                                        : Ok
   61: time utils                                                      : Ok
   62: Test jit_write_elf                                              : Ok
   63: Test libpfm4 support                                            : Skip (not compiled in)
   64: Test api io                                                     : Ok
   65: maps__merge_in                                                  : Ok
   66: Demangle Java                                                   : Ok
   67: Parse and process metrics                                       : Ok
   68: PE file support                                                 : Ok
   69: Event expansion for cgroups                                     : Ok
   70: x86 rdpmc                                                       : Ok
   71: Convert perf time to TSC                                        : Ok
   72: DWARF unwind                                                    : Ok
   73: x86 instruction decoder - new instructions                      : Ok
   74: Intel PT packet decoder                                         : Ok
   75: x86 bp modify                                                   : Ok
   76: probe libc's inet_pton & backtrace it with ping                 : Ok
   77: Use vfs_getname probe to get syscall args filenames             : Ok
   78: Check Arm CoreSight trace data recording and synthesized samples: Skip
   79: build id cache operations                                       : Ok
   80: Add vfs_getname probe to get syscall args filenames             : Ok
   81: Check open filename arg using perf trace + vfs_getname          : Ok
   82: Zstd perf.data compression/decompression                        : Ok
   #
 
   $ git log --oneline -1
   a9ffd0484e (HEAD -> perf/urgent) perf probe: Change function definition check due to broken DWARF
   $ time make -C tools/perf build-test
   make: Entering directory '/home/acme/git/perf/tools/perf'
   - tarpkg: ./tests/perf-targz-src-pkg .
               make_with_gtk2_O: make GTK2=1
              make_no_libperl_O: make NO_LIBPERL=1
            make_no_libunwind_O: make NO_LIBUNWIND=1
             make_no_auxtrace_O: make NO_AUXTRACE=1
                     make_doc_O: make doc
                 make_no_newt_O: make NO_NEWT=1
              make_util_map_o_O: make util/map.o
            make_no_backtrace_O: make NO_BACKTRACE=1
            make_no_libpython_O: make NO_LIBPYTHON=1
          make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
                    make_tags_O: make tags
            make_no_libbionic_O: make NO_LIBBIONIC=1
          make_with_clangllvm_O: make LIBCLANGLLVM=1
                  make_no_sdt_O: make NO_SDT=1
               make_no_libelf_O: make NO_LIBELF=1
                  make_perf_o_O: make perf.o
         make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
                    make_pure_O: make
            make_with_libpfm4_O: make LIBPFM4=1
              make_no_libnuma_O: make NO_LIBNUMA=1
             make_install_bin_O: make install-bin
          make_install_prefix_O: make install prefix=/tmp/krava
    make_install_prefix_slash_O: make install prefix=/tmp/krava/
            make_no_libcrypto_O: make NO_LIBCRYPTO=1
                 make_no_gtk2_O: make NO_GTK2=1
                 make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
                  make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
        make_util_pmu_bison_o_O: make util/pmu-bison.o
              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
                make_no_slang_O: make NO_SLANG=1
                   make_debug_O: make DEBUG=1
                    make_help_O: make help
               make_clean_all_O: make clean all
             make_no_demangle_O: make NO_DEMANGLE=1
             make_no_libaudit_O: make NO_LIBAUDIT=1
                 make_install_O: make install
         make_with_babeltrace_O: make LIBBABELTRACE=1
   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
               make_no_libbpf_O: make NO_LIBBPF=1
   OK
   make: Leaving directory '/home/acme/git/perf/tools/perf'
   $
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Merge tag 'perf-tools-fixes-for-v5.10-2020-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tool fixes from Arnaldo Carvalho de Melo:

 - Fix die_entrypc() when DW_AT_ranges DWARF attribute not available

 - Cope with broken DWARF (missing DW_AT_declaration) generated by some
   recent gcc versions

 - Do not generate CGROUP metadata events when not asked to in 'perf
   record'

 - Use proper CPU for shadow stats in 'perf stat'

 - Update copy of libbpf's hashmap.c, silencing tools/perf build warning

 - Fix return value in 'perf diff'

* tag 'perf-tools-fixes-for-v5.10-2020-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf probe: Change function definition check due to broken DWARF
  perf probe: Fix to die_entrypc() returns error correctly
  perf stat: Use proper cpu for shadow stats
  perf record: Synthesize cgroup events only if needed
  perf diff: Fix error return value in __cmd_diff()
  perf tools: Update copy of libbpf's hashmap.c
2020-11-28 10:35:05 -08:00
Linus Torvalds 67f34fa889 USB / PHY driver fixes for 5.10-rc6
Here are a few small USB and PHY driver fixes for 5.10-rc6.  They
 include:
   - small PHY driver fixes to resolve reported issues
   - USB quirks added for "broken" devices
   - typec fixes for reported problems
   - USB gadget fixes for small issues
 
 Full details are in the shortlog, nothing major in here and all have
 been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / PHY driver fixes from Greg KH:
 "Here are a few small USB and PHY driver fixes for 5.10-rc6. They
  include:

   - small PHY driver fixes to resolve reported issues

   - USB quirks added for "broken" devices

   - typec fixes for reported problems

   - USB gadget fixes for small issues

  Full details are in the shortlog, nothing major in here and all have
  been in linux-next with no reported issues"

* tag 'usb-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: stusb160x: fix power-opmode property with typec-power-opmode
  USB: core: Change %pK for __user pointers to %px
  USB: core: Fix regression in Hercules audio card
  usb: gadget: Fix memleak in gadgetfs_fill_super
  usb: gadget: f_midi: Fix memleak in f_midi_alloc
  USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
  usb: typec: qcom-pmic-typec: fix builtin build errors
  phy: mediatek: fix spelling mistake in Kconfig "veriosn" -> "version"
  phy: qualcomm: Fix 28 nm Hi-Speed USB PHY OF dependency
  phy: qualcomm: usb: Fix SuperSpeed PHY OF dependency
  phy: intel: PHY_INTEL_KEEMBAY_EMMC should depend on ARCH_KEEMBAY
  usb: cdns3: gadget: calculate TD_SIZE based on TD
  usb: cdns3: gadget: initialize link_trb as NULL
  phy: cpcap-usb: Use IRQF_ONESHOT
  phy: qcom-qmp: Initialize another pointer to NULL
  phy: tegra: xusb: Fix dangling pointer on probe failure
  phy: usb: Fix incorrect clearing of tca_drv_sel bit in SETUP reg for 7211
2020-11-28 10:09:38 -08:00
Linus Torvalds 7b2c800d66 Char/misc driver fixes for 5.10-rc6
Here are some small misc driver fixes for 5.10-rc6.  They include:
   - interconnect fixes for reported problems
   - habanalabs bugfix for found issue when doing the switch fallthrough
     patches.
   - MAINTINERS file update for coresight reviewers/maintainers
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some small misc driver fixes for 5.10-rc6.  They include:

   - interconnect fixes for reported problems

   - habanalabs bugfix for found issue when doing the switch fallthrough
     patches

   - MAINTAINERS file update for coresight reviewers/maintainers

  All have been in linux-next with no reported issues"

* tag 'char-misc-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  MAINTAINERS: Adding help for coresight subsystem
  habanalabs/gaudi: fix missing code in ECC handling
  interconnect: fix memory trashing in of_count_icc_providers()
  interconnect: qcom: qcs404: Remove GPU and display RPM IDs
  interconnect: qcom: msm8916: Remove rpm-ids from non-RPM nodes
  interconnect: qcom: msm8974: Don't boost the NoC rate during boot
  interconnect: qcom: msm8974: Prevent integer overflow in rate
2020-11-28 10:04:36 -08:00
Takashi Iwai aeedad2504 ALSA: hda/realtek: Add mute LED quirk to yet another HP x360 model
HP Spectre x360 Convertible 15" version (SSID 103c:827f) needs the
same quirk to make the mute LED working like other models.
  System Information
    Manufacturer: HP
    Product Name: HP Spectre x360 Convertible 15-bl1XX

  Sound Codec:
    Codec: Realtek ALC295
    Vendor Id: 0x10ec0295
    Subsystem Id: 0x103c827f
    Revision Id: 0x100002

Reported-by: <christoph.plattner@gmx.at>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201128090015.7743-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-11-28 10:00:51 +01:00
Takashi Iwai c84bfedce6 ALSA: hda/realtek: Fix bass speaker DAC assignment on Asus Zephyrus G14
ASUS Zephyrus G14 has two speaker pins, and the auto-parser tries to
assign an individual DAC to each pin as much as possible.
Unfortunately the third DAC has no volume control unlike the two DACs,
and this resulted in the inconsistent speaker volumes.

As a workaround, wire both speaker pins to the same DAC by modifying
the existing quirk (ALC289_FIXUP_ASUS_GA401) applied to this device.
Since this quirk entry is chained by another, we need to avoid
applying the DAC assignment change for it.  Luckily, there is another
quirk entry (ALC289_FIXUP_ASUS_GA502) doing the very same thing, so we
can chain to the GA502 quirk instead.

Note that this patch uses a new flag of the generic parser,
obey_preferred_dacs, for enforcing the DACs.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=210359
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201127141104.11041-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-11-28 09:30:09 +01:00
Takashi Iwai 242d990c15 ALSA: hda/generic: Add option to enforce preferred_dacs pairs
The generic parser accepts the preferred_dacs[] pairs as a hint for
assigning a DAC to each pin, but this hint doesn't work always
effectively.  Currently it's merely a secondary choice after the trial
with the path index failed.  This made sometimes it difficult to
assign DACs without mimicking the connection list and/or the badness
table.

This patch adds a new flag, obey_preferred_dacs, that changes the
behavior of the parser.  As its name stands, the parser obeys the
given preferred_dacs[] pairs by skipping the path index matching and
giving a high penalty if no DAC is assigned by the pairs.  This mode
will help for assigning the fixed DACs forcibly from the codec
driver.

Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201127141104.11041-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-11-28 09:29:52 +01:00
Linus Torvalds c84e1efae0 asm-generic: add correct MAX_POSSIBLE_PHYSMEM_BITS setting
This is a single bugfix for a bug that Stefan Agner found on 32-bit
 Arm, but that exists on several other architectures.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic fix from Arnd Bergmann:
 "Add correct MAX_POSSIBLE_PHYSMEM_BITS setting to asm-generic.

  This is a single bugfix for a bug that Stefan Agner found on 32-bit
  Arm, but that exists on several other architectures"

* tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
2020-11-27 15:00:35 -08:00
Linus Torvalds 303bc93472 ARM: SoC fixes for v5.10, part 3
Another set of patches for devicetree files and Arm
 SoC specific drivers:
 
  - A fix for OP-TEE shared memory on non-SMP systems
 
  - multiple code fixes for the OMAP platform, including
    one regression for the CPSW network driver and a few
    runtime warning fixes
 
  - Some DT patches for the Rockchip RK3399 platform,
    in particular fixing the MMC device ordering that
    recently became nondeterministic with async probe.
 
  - Multiple DT fixes for the Tegra platform, including
    a regression fix for suspend/resume on TX2
 
  - A regression fix for a user-triggered fault in the
    NXP dpio driver
 
  - A regression fix for a bug caused by an earlier bug
    fix in the xilinx firmware driver
 
  - Two more DTC warning fixes
 
  - Sylvain Lemieux steps down as maintainer for the
    NXP LPC32xx platform
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Another set of patches for devicetree files and Arm SoC specific
  drivers:

   - A fix for OP-TEE shared memory on non-SMP systems

   - multiple code fixes for the OMAP platform, including one regression
     for the CPSW network driver and a few runtime warning fixes

   - Some DT patches for the Rockchip RK3399 platform, in particular
     fixing the MMC device ordering that recently became
     nondeterministic with async probe.

   - Multiple DT fixes for the Tegra platform, including a regression
     fix for suspend/resume on TX2

   - A regression fix for a user-triggered fault in the NXP dpio driver

   - A regression fix for a bug caused by an earlier bug fix in the
     xilinx firmware driver

   - Two more DTC warning fixes

   - Sylvain Lemieux steps down as maintainer for the NXP LPC32xx
     platform"

* tag 'arm-soc-fixes-v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  arm64: tegra: Fix Tegra234 VDK node names
  arm64: tegra: Wrong AON HSP reg property size
  arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
  arm64: tegra: Correct the UART for Jetson Xavier NX
  arm64: tegra: Disable the ACONNECT for Jetson TX2
  optee: add writeback to valid memory type
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  soc: fsl: dpio: Get the cpumask through cpumask_of(cpu)
  ARM: dts: dra76x: m_can: fix order of clocks
  bus: ti-sysc: suppress err msg for timers used as clockevent/source
  MAINTAINERS: Remove myself as LPC32xx maintainers
  arm64: dts: qcom: clear the warnings caused by empty dma-ranges
  arm64: dts: broadcom: clear the warnings caused by empty dma-ranges
  ARM: dts: am437x-l4: fix compatible for cpsw switch dt node
  arm64: dts: rockchip: Reorder LED triggers from mmc devices on rk3399-roc-pc.
  arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.
  arm64: dts: rockchip: Remove system-power-controller from pmic on Odroid Go Advance
  arm64: dts: rockchip: fix NanoPi R2S GMAC clock name
  ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
  ...
2020-11-27 14:48:03 -08:00
Linus Torvalds 79c0c1f038 Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
and can subtrees.
 
 Current release - regressions:
 
  - gro_cells: reduce number of synchronize_net() calls
 
  - ch_ktls: release a lock before jumping to an error path
 
 Current release - always broken:
 
  - tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header
 
 Previous release - regressions:
 
  - net/tls: fix missing received data after fast remote close
 
  - vsock/virtio: discard packets only when socket is really closed
 
  - sock: set sk_err to ee_errno on dequeue from errq
 
  - cxgb4: fix the panic caused by non smac rewrite
 
 Previous release - always broken:
 
  - tcp: fix corner cases around setting ECN with BPF selection
         of congestion control
 
  - tcp: fix race condition when creating child sockets from
         syncookies on loopback interface
 
  - usbnet: ipheth: fix connectivity with iOS 14
 
  - tun: honor IOCB_NOWAIT flag
 
  - net/packet: fix packet receive on L3 devices without visible
                hard header
 
  - devlink: Make sure devlink instance and port are in same net
             namespace
 
  - net: openvswitch: fix TTL decrement action netlink message format
 
  - bonding: wait for sysfs kobject destruction before freeing
             struct slave
 
  - net: stmmac: fix upstream patch applied to the wrong context
 
  - bnxt_en: fix return value and unwind in probe error paths
 
 Misc:
 
  - devlink: add extra layer of categorization to the reload stats
             uAPI before it's released
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
  and CAN subtrees.

  Current release - regressions:

   - gro_cells: reduce number of synchronize_net() calls

   - ch_ktls: release a lock before jumping to an error path

  Current release - always broken:

   - tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header

  Previous release - regressions:

   - net/tls: fix missing received data after fast remote close

   - vsock/virtio: discard packets only when socket is really closed

   - sock: set sk_err to ee_errno on dequeue from errq

   - cxgb4: fix the panic caused by non smac rewrite

  Previous release - always broken:

   - tcp: fix corner cases around setting ECN with BPF selection of
     congestion control

   - tcp: fix race condition when creating child sockets from syncookies
     on loopback interface

   - usbnet: ipheth: fix connectivity with iOS 14

   - tun: honor IOCB_NOWAIT flag

   - net/packet: fix packet receive on L3 devices without visible hard
     header

   - devlink: Make sure devlink instance and port are in same net
     namespace

   - net: openvswitch: fix TTL decrement action netlink message format

   - bonding: wait for sysfs kobject destruction before freeing struct
     slave

   - net: stmmac: fix upstream patch applied to the wrong context

   - bnxt_en: fix return value and unwind in probe error paths

  Misc:

   - devlink: add extra layer of categorization to the reload stats uAPI
     before it's released"

* tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
  sock: set sk_err to ee_errno on dequeue from errq
  mptcp: fix NULL ptr dereference on bad MPJ
  net: openvswitch: fix TTL decrement action netlink message format
  can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
  can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
  can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
  can: gs_usb: fix endianess problem with candleLight firmware
  ch_ktls: lock is not freed
  net/tls: Protect from calling tls_dev_del for TLS RX twice
  devlink: Make sure devlink instance and port are in same net namespace
  devlink: Hold rtnl lock while reading netdev attributes
  ptp: clockmatrix: bug fix for idtcm_strverscmp
  enetc: Let the hardware auto-advance the taprio base-time of 0
  gro_cells: reduce number of synchronize_net() calls
  net: stmmac: fix incorrect merge of patch upstream
  ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init
  Documentation: netdev-FAQ: suggest how to post co-dependent series
  ibmvnic: enhance resetting status check during module exit
  ...
2020-11-27 14:38:02 -08:00
Linus Torvalds 80e1e1761d SCSI fixes on 20201127
Three small fixes in the UFS driver: two are for power management
 issues and the third is to fix a slew of problem in the sysfs code.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three small fixes in the UFS driver: two are for power management
  issues and the third is to fix a slew of problem in the sysfs code"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: Fix race between shutdown and runtime resume flow
  scsi: ufs: Make sure clk scaling happens only when HBA is runtime ACTIVE
  scsi: ufs: Fix unexpected values from ufshcd_read_desc_param()
2020-11-27 14:06:23 -08:00
Linus Torvalds 9223e74f99 io_uring-5.10-2020-11-27
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Merge tag 'io_uring-5.10-2020-11-27' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Out of bounds fix for the cq size cap from earlier this release (Joseph)

 - iov_iter type check fix (Pavel)

 - Files grab + cancelation fix (Pavel)

* tag 'io_uring-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
  io_uring: fix files grab/cancel race
  io_uring: fix ITER_BVEC check
  io_uring: fix shift-out-of-bounds when round up cq size
2020-11-27 12:56:04 -08:00
Linus Torvalds d021c3e56d block-5.10-2020-11-27
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Merge tag 'block-5.10-2020-11-27' of git://git.kernel.dk/linux-block

Pull block fix from Jens Axboe:
 "Just a single fix, for a crash in the keyslot manager"

* tag 'block-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
  block/keyslot-manager: prevent crash when num_slots=1
2020-11-27 12:49:01 -08:00
Linus Torvalds a17a3ca55e for-5.10-rc5-tag
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Merge tag 'for-5.10-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few fixes for various warnings that accumulated over past two weeks:

   - tree-checker: add missing return values for some errors

   - lockdep fixes
      - when reading qgroup config and starting quota rescan
      - reverse order of quota ioctl lock and VFS freeze lock

   - avoid accessing potentially stale fs info during device scan,
     reported by syzbot

   - add scope NOFS protection around qgroup relation changes

   - check for running transaction before flushing qgroups

   - fix tracking of new delalloc ranges for some cases"

* tag 'for-5.10-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix lockdep splat when enabling and disabling qgroups
  btrfs: do nofs allocations when adding and removing qgroup relations
  btrfs: fix lockdep splat when reading qgroup config on mount
  btrfs: tree-checker: add missing returns after data_ref alignment checks
  btrfs: don't access possibly stale fs_info data for printing duplicate device
  btrfs: tree-checker: add missing return after error in root_item
  btrfs: qgroup: don't commit transaction when we already hold the handle
  btrfs: fix missing delalloc new bit for new delalloc ranges
2020-11-27 12:42:13 -08:00
Linus Torvalds d41e9b22eb RDMA 5.10 fourth rc pull request
Two notable security issues and a collection of minor fixes:
 
 - Significant out of bounds access security issue in i40iw
 
 - Fix misuse of mmu notifiers in hfi1
 
 - Several errors in the register map/usage in hns
 
 - Missing error returns in mthca
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Two security issues and several small bug fixes. Things seem to have
  stabilized for this release here.

  Summary:

   - Significant out of bounds access security issue in i40iw

   - Fix misuse of mmu notifiers in hfi1

   - Several errors in the register map/usage in hns

   - Missing error returns in mthca"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/hns: Bugfix for memory window mtpt configuration
  RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
  RDMA/hns: Fix wrong field of SRQ number the device supports
  IB/hfi1: Ensure correct mm is used at all times
  RDMA/i40iw: Address an mmap handler exploit in i40iw
  IB/mthca: fix return value of error branch in mthca_init_cq()
2020-11-27 12:31:04 -08:00
Linus Torvalds 76dc2bfc2e Raw NAND changes:
* Because of a recent change in the core, NAND controller drivers
   initializing the ECC engine too early in the probe path are
   broken. Drivers should wait for the NAND device to be discovered and
   its memory layout known before doing any ECC related initialization,
   so instead of reverting the faulty change which is actually moving
   in the right direction, let's fix the drivers directly: socrates,
   sharpsl, r852, plat_nand, pasemi, tmio, txx9ndfmc, orion, mpc5121,
   lpc32xx_slc, lpc32xx_mlc, fsmc, diskonchip, davinci, cs553x, au1550,
   ams-delta, xway and gpio.
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Merge tag 'mtd/fixes-for-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd fixes from Miquel Raynal:
 "Because of a recent change in the core, NAND controller drivers
  initializing the ECC engine too early in the probe path are broken.

  Drivers should wait for the NAND device to be discovered and its
  memory layout known before doing any ECC related initialization, so
  instead of reverting the faulty change which is actually moving in the
  right direction, let's fix the drivers directly: socrates, sharpsl,
  r852, plat_nand, pasemi, tmio, txx9ndfmc, orion, mpc5121, lpc32xx_slc,
  lpc32xx_mlc, fsmc, diskonchip, davinci, cs553x, au1550, ams-delta,
  xway and gpio"

* tag 'mtd/fixes-for-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: rawnand: socrates: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: sharpsl: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: r852: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: plat_nand: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: pasemi: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: tmio: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: txx9ndfmc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: orion: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: mpc5121: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: lpc32xx_slc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: lpc32xx_mlc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: fsmc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: diskonchip: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: davinci: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: cs553x: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: au1550: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: ams-delta: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: xway: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: gpio: Move the ECC initialization to ->attach_chip()
2020-11-27 12:03:07 -08:00
Linus Torvalds 87c301ca91 spi: Fixes for v5.10
A few fixes for v5.10, one for the core which fixes some potential races
 for controllers with multiple chip selects when configuration of the
 chip select for one client device races with the addition and initial
 setup of an additional client.
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Merge tag 'spi-fix-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few fixes for v5.10,  one for the core which fixes some potential
  races for controllers with multiple chip selects when configuration of
  the chip select for one client device races with the addition and
  initial setup of an additional client"

* tag 'spi-fix-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: dw: Fix spi registration for controllers overriding CS
  spi: imx: fix the unbalanced spi runtime pm management
  spi: spi-nxp-fspi: fix fspi panic by unexpected interrupts
  spi: Take the SPI IO-mutex in the spi_setup() method
2020-11-27 11:29:53 -08:00
Linus Torvalds f594139d68 media fixes for v5.10-rc6
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Merge tag 'media/v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull virtual digital TV driver fixes from Mauro Carvalho Chehab:
 "A series of fixes for the new virtual digital TV driver (vidtv), which
  is meant to help doing tests with the digital TV core and media
  userspace apps and libraries.

  They cover a series of issues I found on it, together with a few new
  things in order to make it easier to detect problems at the DVB core"

* tag 'media/v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (36 commits)
  media: vidtv.rst: add kernel-doc markups
  media: vidtv.rst: update vidtv documentation
  media: vidtv: simplify EIT write function
  media: vidtv: simplify NIT write function
  media: vidtv: simplify SDT write function
  media: vidtv: cleanup PMT write table function
  media: vidtv: cleanup PAT write function
  media: vidtv: cleanup PSI table header function
  media: vidtv: cleanup PSI descriptor write function
  media: vidtv: simplify the crc writing logic
  media: vidtv: simplify PSI write function
  media: vidtv: add date to the current event
  media: vidtv: fix service_id at SDT table
  media: vidtv: fix service type
  media: vidtv: add a PID entry for the NIT table
  media: vidtv: properly fill EIT service_id
  media: vidtv: fix the network ID range
  media: vidtv: improve EIT data
  media: vidtv: cleanup null packet initialization logic
  media: vidtv: pre-initialize mux arrays
  ...
2020-11-27 11:25:23 -08:00
Linus Torvalds 6910b67689 drm fixes for 5.10-rc6
ast:
 - LUT loading regression fix
 
 nouveau:
 - relocations regression fix
 
 amdgpu:
 - ttm init oops fix
 - Runtime pm fix
 - SI UVD suspend/resume fix
 - HDCP fix for headless cards
 - Sienna Cichlid golden register update
 
 i915:
 - Fix Perf/OA workaround register corruption (Lionel)
 - Correct a comment statement in GVT (Yan)
 - Fix GT enable/disable iterrupts, including a race condition that prevented GPU to go idle (Chris)
 - Free stale request on destroying the virtual engine (Chris)
 
 exynos:
 - config dependency fix
 
 mediatek:
 - unused var removal
 - horizonal front/back porch formula fix
 
 vc4:
 - wifi and hdmi interference fix
 - mode rejection fixes
 - use after free fix
 - cleanup some code
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Merge tag 'drm-fixes-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Unfortunately this has a bit of thanksgiving stuffing in it, as it a
  bit larger (at least the vc4 patches) than I like at this point in
  time.

  The main thing is it has a bunch of regressions fixes for reports in
  the last couple of weeks, ast, nouveau and the amdgpu ttm init fix,
  along with the usual selection of amdgpu and i915 fixes.

  The vc4 fixes are a few but they are fixes and the nastiest one is a
  fix for when you have a 2.4Ghz Wifi and a HDMI signal with a clock in
  that range and there isn't enough shielding and interference happen
  between the two, the fix adjusts the mode clock to try and avoid the
  wifi channels in that case.

  Hopefully you can merge this between turkey slices, and next week
  should be quieter.

  ast:
   - LUT loading regression fix

  nouveau:
   - relocations regression fix

  amdgpu:
   - ttm init oops fix
   - Runtime pm fix
   - SI UVD suspend/resume fix
   - HDCP fix for headless cards
   - Sienna Cichlid golden register update

  i915:
   - Fix Perf/OA workaround register corruption (Lionel)
   - Correct a comment statement in GVT (Yan)
   - Fix GT enable/disable iterrupts, including a race condition that
     prevented GPU to go idle (Chris)
   - Free stale request on destroying the virtual engine (Chris)

  exynos:
   - config dependency fix

  mediatek:
   - unused var removal
   - horizonal front/back porch formula fix

  vc4:
   - wifi and hdmi interference fix
   - mode rejection fixes
   - use after free fix
   - cleanup some code"

* tag 'drm-fixes-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm: (28 commits)
  drm/nouveau: fix relocations applying logic and a double-free
  drm/ast: Reload gamma LUT after changing primary plane's color format
  drm/amdgpu: Fix size calculation when init onchip memory
  drm/amdgpu: update golden setting for sienna_cichlid
  drm/amd/display: Avoid HDCP initialization in devices without output
  drm/i915/gt: Free stale request on destroying the virtual engine
  drm/i915/gt: Don't cancel the interrupt shadow too early
  drm/i915/gt: Track signaled breadcrumbs outside of the breadcrumb spinlock
  drm/amdgpu: fix a page fault
  drm/amdgpu: fix SI UVD firmware validate resume fail
  drm/amd/amdgpu: fix null pointer in runtime pm
  drm/i915/gt: Defer enabling the breadcrumb interrupt to after submission
  drm/i915/gvt: correct a false comment of flag F_UNALIGN
  drm/i915/perf: workaround register corruption in OATAILPTR
  drm/vc4: kms: Don't disable the muxing of an active CRTC
  drm/vc4: kms: Store the unassigned channel list in the state
  drm/exynos: depend on COMMON_CLK to fix compile tests
  drm/mediatek: dsi: Modify horizontal front/back porch byte formula
  drm/vc4: hdmi: Disable Wifi Frequencies
  dt-bindings: display: Add a property to deal with WiFi coexistence
  ...
2020-11-27 11:19:49 -08:00
Jakub Kicinski d0742c49ca linux-can-fixes-for-5.10-20201127
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Merge tag 'linux-can-fixes-for-5.10-20201127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2020-11-27

The first patch is by me and target the gs_usb driver and fixes the endianess
problem with candleLight firmware.

Another patch by me for the mcp251xfd driver add sanity checking to bail out if
no IRQ is configured.

The next three patches target the m_can driver. A patch by me removes the
hardcoded IRQF_TRIGGER_FALLING from the request_threaded_irq() as this clashes
with the trigger level specified in the DT. Further a patch by me fixes the
nominal bitiming tseg2 min value for modern m_can cores. Pankaj Sharma's patch
add support for cores version 3.3.x.

The last patch by Oliver Hartkopp is for af_can and converts a WARN() into a
pr_warn(), which is triggered by the syzkaller. It was able to create a
situation where the closing of a socket runs simultaneously to the notifier
call chain for removing the CAN network device in use.

* tag 'linux-can-fixes-for-5.10-20201127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
  can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
  can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
  can: gs_usb: fix endianess problem with candleLight firmware
====================

Link: https://lore.kernel.org/r/20201127100301.512603-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:13:39 -08:00
Linus Torvalds 99c710c46d platform-drivers-x86 for v5.10-2
Highlights:
  - thinkpad_acpi fixes: 2 bug-fixes and 3 model specific quirks
  - fixes for misc. other drivers: 2 bug-fixes and 3 model specific quirks
 
 The following is an automated git shortlog grouped by driver:
 
 acer-wmi:
  -  add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
 
 intel-vbtn:
  -  Support for tablet mode on HP Pavilion 13 x360 PC
 
 thinkpad_acpi:
  -  Whitelist P15 firmware for dual fan control
  -  Send tablet mode switch at wakeup time
  -  Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
  -  Do not report SW_TABLET_MODE on Yoga 11e
  -  add P1 gen3 second fan support
 
 toshiba_acpi:
  -  Fix the wrong variable assignment
 
 touchscreen_dmi:
  -  Add info for the Irbis TW118 tablet
  -  Add info for the Predia Basic tablet
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Merge tag 'platform-drivers-x86-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - thinkpad_acpi fixes: two bug-fixes and three model specific quirks

 - fixes for misc other drivers: two bug-fixes and three model specific
   quirks

* tag 'platform-drivers-x86-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the Irbis TW118 tablet
  platform/x86: touchscreen_dmi: Add info for the Predia Basic tablet
  platform/x86: intel-vbtn: Support for tablet mode on HP Pavilion 13 x360 PC
  platform/x86: toshiba_acpi: Fix the wrong variable assignment
  platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
  platform/x86: thinkpad_acpi: Whitelist P15 firmware for dual fan control
  platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
  platform/x86: thinkpad_acpi: Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
  platform/x86: thinkpad_acpi: Do not report SW_TABLET_MODE on Yoga 11e
  platform/x86: thinkpad_acpi: add P1 gen3 second fan support
2020-11-27 11:09:13 -08:00
Willem de Bruijn 985f733742 sock: set sk_err to ee_errno on dequeue from errq
When setting sk_err, set it to ee_errno, not ee_origin.

Commit f5f99309fa ("sock: do not set sk_err in
sock_dequeue_err_skb") disabled updating sk_err on errq dequeue,
which is correct for most error types (origins):

  -       sk->sk_err = err;

Commit 38b257938a ("sock: reset sk_err when the error queue is
empty") reenabled the behavior for IMCP origins, which do require it:

  +       if (icmp_next)
  +               sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin;

But read from ee_errno.

Fixes: 38b257938a ("sock: reset sk_err when the error queue is empty")
Reported-by: Ayush Ranjan <ayushranjan@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Link: https://lore.kernel.org/r/20201126151220.2819322-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:07:06 -08:00
Paolo Abeni d3ab78858f mptcp: fix NULL ptr dereference on bad MPJ
If an msk listener receives an MPJ carrying an invalid token, it
will zero the request socket msk entry. That should later
cause fallback and subflow reset - as per RFC - at
subflow_syn_recv_sock() time due to failing hmac validation.

Since commit 4cf8b7e48a ("subflow: introduce and use
mptcp_can_accept_new_subflow()"), we unconditionally dereference
- in mptcp_can_accept_new_subflow - the subflow request msk
before performing hmac validation. In the above scenario we
hit a NULL ptr dereference.

Address the issue doing the hmac validation earlier.

Fixes: 4cf8b7e48a ("subflow: introduce and use mptcp_can_accept_new_subflow()")
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/03b2cfa3ac80d8fc18272edc6442a9ddf0b1e34e.1606400227.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:05:31 -08:00
Linus Torvalds 3913a2bc81 ARM:
- Fix alignment of the new HYP sections
 - Fix GICR_TYPER access from userspace
 
 S390:
 - do not reset the global diag318 data for per-cpu reset
 - do not mark memory as protected too early
 - fix for destroy page ultravisor call
 
 x86:
 - fix for SEV debugging
 - fix incorrect return code
 - fix for "noapic" with PIC in userspace and LAPIC in kernel
 - fix for 5-level paging
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM:
   - Fix alignment of the new HYP sections
   - Fix GICR_TYPER access from userspace

  S390:
   - do not reset the global diag318 data for per-cpu reset
   - do not mark memory as protected too early
   - fix for destroy page ultravisor call

  x86:
   - fix for SEV debugging
   - fix incorrect return code
   - fix for 'noapic' with PIC in userspace and LAPIC in kernel
   - fix for 5-level paging"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86/mmu: Fix get_mmio_spte() on CPUs supporting 5-level PT
  KVM: x86: Fix split-irqchip vs interrupt injection window request
  KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
  MAINTAINERS: Update email address for Sean Christopherson
  MAINTAINERS: add uv.c also to KVM/s390
  s390/uv: handle destroy page legacy interface
  KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
  KVM: SVM: fix error return code in svm_create_vcpu()
  KVM: SVM: Fix offset computation bug in __sev_dbg_decrypt().
  KVM: arm64: Correctly align nVHE percpu data
  KVM: s390: remove diag318 reset code
  KVM: s390: pv: Mark mm as protected after the set secure parameters and improve cleanup
2020-11-27 11:04:13 -08:00
Eelco Chaudron 69929d4c49 net: openvswitch: fix TTL decrement action netlink message format
Currently, the openvswitch module is not accepting the correctly formated
netlink message for the TTL decrement action. For both setting and getting
the dec_ttl action, the actions should be nested in the
OVS_DEC_TTL_ATTR_ACTION attribute as mentioned in the openvswitch.h uapi.

When the original patch was sent, it was tested with a private OVS userspace
implementation. This implementation was unfortunately not upstreamed and
reviewed, hence an erroneous version of this patch was sent out.

Leaving the patch as-is would cause problems as the kernel module could
interpret additional attributes as actions and vice-versa, due to the
actions not being encapsulated/nested within the actual attribute, but
being concatinated after it.

Fixes: 744676e777 ("openvswitch: add TTL decrement action")
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160622121495.27296.888010441924340582.stgit@wsfd-netdev64.ntdv.lab.eng.bos.redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:03:06 -08:00