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2020-09-21can: pch_can: use generic power managementVaibhav Gupta
Drivers using legacy power management .suspen()/.resume() callbacks have to manage PCI states and device's PM states themselves. They also need to take care of standard configuration registers. Switch to generic power management framework using a single "struct dev_pm_ops" variable to take the unnecessary load from the driver. This also avoids the need for the driver to directly call most of the PCI helper functions and device power state control functions, as through the generic framework PCI Core takes care of the necessary operations, and drivers are required to do only device-specific jobs. Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com> Link: https://lore.kernel.org/r/20200728085757.888620-1-vaibhavgupta40@gmail.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: peak_canfd: Remove unused macrosWang Hai
CANFD_CLK_SEL_DIV_MASK and CANFD_OPTIONS_SET are never used after they were introduced. Remove them. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wang Hai <wanghai38@huawei.com> Link: https://lore.kernel.org/r/20200904131247.23021-1-wanghai38@huawei.com [mkl: keep CANFD_CLK_SEL_DIV_MASK for documentation purpose] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: peak_usb: convert to use le32_add_cpu()Liu Shixin
Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu(). Signed-off-by: Liu Shixin <liushixin2@huawei.com> Link: https://lore.kernel.org/r/20200914041744.3701840-1-liushixin2@huawei.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: ti_hecc: convert to devm_platform_ioremap_resource_byname()Dejin Zheng
Use the function devm_platform_ioremap_resource_byname() to simplify source code which calls the functions platform_get_resource_byname() and devm_ioremap_resource(). Remove also a few error messages which became unnecessary with this software refactoring. Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com> Link: https://lore.kernel.org/r/20200420132207.8536-1-zhengdejin5@gmail.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: mscan: mark expected switch fall-throughMarc Kleine-Budde
As -Wimplicit-fallthrough is now enabled the mscan driver shows this warning, which is fixed by this patch: drivers/net/can/mscan/mscan.c: In function ‘mscan_start_xmit’: drivers/net/can/mscan/mscan.c:211:3: warning: this statement may fall through [-Wimplicit-fallthrough=] 211 | netif_stop_queue(dev); | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/can/mscan/mscan.c:212:2: note: here 212 | case 2: | ^~~~ Link: https://lore.kernel.org/r/20200915223527.1417033-17-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: mcba_usb: remove redundant initialization of variable errColin Ian King
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/20200706164240.518623-1-colin.king@canonical.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: c_can: Remove unused inline functionYueHaibing
commit 524369e2391f ("can: c_can: remove obsolete STRICT_FRAME_ORDERING Kconfig option") left behind this, remove it. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20200505084149.23848-1-yuehaibing@huawei.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: dev: can_bus_off(): print scheduling of restart if activatedMarc Kleine-Budde
If a CAN device goes into bus-off and has automatic restart enabled, inform user that a automatic restart is scheduled after the configured delay. Link: https://lore.kernel.org/r/20200915223527.1417033-14-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: dev: can_change_state(): print human readable state change messagesMarc Kleine-Budde
In order to ease debugging let can_change_state() print the human readable state change messages. Also print the old and new state. Link: https://lore.kernel.org/r/20200915223527.1417033-13-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: dev: can_put_echo_skb(): propagate error in case of errorsMarc Kleine-Budde
The function can_put_echo_skb() can fail for several reasons. It may fail due to OOM, but when it fails it's usually due to locking problems in the driver. In order to help developing and debugging of new drivers propagate error value in case of errors. Link: https://lore.kernel.org/r/20200915223527.1417033-12-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: dev: can_put_echo_skb(): print number of echo_skb that is occupiedMarc Kleine-Budde
This patch prints the number of the occupied echo_skb, to ease implementing and debugging of new drivers. Link: https://lore.kernel.org/r/20200915223527.1417033-11-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: remove "WITH Linux-syscall-note" from SPDX tag of C filesMasahiro Yamada
The "WITH Linux-syscall-note" exception is intended for UAPI headers. See LICENSES/exceptions/Linux-syscall-note Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Link: https://lore.kernel.org/r/20200403073741.18352-1-masahiroy@kernel.org Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: softing: update dead linkDiego Elio Pettenò
BerliOS has not been operating for more than five years. linux-can moved to GitHub. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.com> Link: https://lore.kernel.org/r/20200413170241.13207-1-flameeyes@flameeyes.com [mkl: split into two patches - handle softing part here] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: slcan: update dead linkDiego Elio Pettenò
BerliOS has not been operating for more than five years. linux-can moved to GitHub. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.com> Link: https://lore.kernel.org/r/20200413170241.13207-1-flameeyes@flameeyes.com [mkl: split into two patches - handle slcan part here] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: raw: fix indentionMarc Kleine-Budde
This patch fixes the indention to follow kernel coding style. Link: https://lore.kernel.org/r/20200915223527.1417033-7-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: drivers: fix spelling mistakesMarc Kleine-Budde
This patch fixes spelling erros found by "codespell" in the drivers/net/can subtree. Link: https://lore.kernel.org/r/20200915223527.1417033-6-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: net: fix spelling mistakesMarc Kleine-Budde
This patch fixes spelling erros found by "codespell" in the net/can subtree. Link: https://lore.kernel.org/r/20200915223527.1417033-5-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: include: fix spelling mistakesMarc Kleine-Budde
This patch fixes spelling erros found by "codespell" in the include/linux/can subtree. Link: https://lore.kernel.org/r/20200915223527.1417033-4-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: flexcan: fix spelling mistake "reserverd" -> "reserved"Alexandre Belloni
Fix a mistake in a register layout description. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200214141751.21168-1-alexandre.belloni@bootlin.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-21can: grcan: fix spelling mistake "buss" -> "bus"Colin Ian King
There is a spelling mistake in a netdev_err error message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Link: https://lore.kernel.org/r/20200806105616.46790-1-colin.king@canonical.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-09-20RDS: drop double zeroingJulia Lawall
sg_init_table zeroes its first argument, so the allocation of that argument doesn't have to. the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,n,flags; @@ x = - kcalloc + kmalloc_array (n,sizeof(*x),flags) ... sg_init_table(x,n) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20dpaa2-eth: drop double zeroingJulia Lawall
sg_init_table zeroes its first argument, so the allocation of that argument doesn't have to. the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,n,flags; @@ x = - kcalloc + kmalloc_array (n,sizeof(struct scatterlist),flags) ... sg_init_table(x,n) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20Merge branch 'bnxt_en-Bug-fixes'David S. Miller
Michael Chan says: ==================== bnxt_en: Bug fixes. A series of small driver fixes covering VPD length logic, ethtool_get_regs on VF, hwmon temperature error handling, mutex locking for EEE and pause ethtool settings, and parameters for statistics related firmware calls. Please queue patches 1, 2, and 3 for -stable. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: Fix wrong flag value passed to HWRM_PORT_QSTATS_EXT fw call.Michael Chan
The wrong flag value caused the firmware call to return actual port counters instead of the counter masks. This messed up the counter overflow logic and caused erratic extended port counters to be displayed under ethtool -S. Fixes: 531d1d269c1d ("bnxt_en: Retrieve hardware masks for port counters.") Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: Fix HWRM_FUNC_QSTATS_EXT firmware call.Michael Chan
Fix it to set the required fid input parameter. The firmware call fails without this patch. Fixes: d752d0536c97 ("bnxt_en: Retrieve hardware counter masks from firmware if available.") Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: Return -EOPNOTSUPP for ETHTOOL_GREGS on VFs.Vasundhara Volam
Debug firmware commands are not supported on VFs to read registers. This patch avoids logging unnecessary access_denied error on VFs when user calls ETHTOOL_GREGS. By returning error in get_regs_len() method on the VF, the get_regs() method will not be called. Fixes: b5d600b027eb ("bnxt_en: Add support for 'ethtool -d'") Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: Protect bnxt_set_eee() and bnxt_set_pauseparam() with mutex.Michael Chan
All changes related to bp->link_info require the protection of the link_lock mutex. It's not sufficient to rely just on RTNL. Fixes: 163e9ef63641 ("bnxt_en: Fix race when modifying pause settings.") Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: return proper error codes in bnxt_show_tempEdwin Peer
Returning "unknown" as a temperature value violates the hwmon interface rules. Appropriate error codes should be returned via device_attribute show instead. These will ultimately be propagated to the user via the file system interface. In addition to the corrected error handling, it is an even better idea to not present the sensor in sysfs at all if it is known that the read will definitely fail. Given that temp1_input is currently the only sensor reported, ensure no hwmon registration if TEMP_MONITOR_QUERY is not supported or if it will fail due to access permissions. Something smarter may be needed if and when other sensors are added. Fixes: 12cce90b934b ("bnxt_en: fix HWRM error when querying VF temperature") Signed-off-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20bnxt_en: Use memcpy to copy VPD field info.Vasundhara Volam
Using strlcpy() to copy from VPD is not correct because VPD strings are not necessarily NULL terminated. Use memcpy() to copy the VPD length up to the destination buffer size - 1. The destination is zeroed memory so it will always be NULL terminated. Fixes: a0d0fd70fed5 ("bnxt_en: Read partno and serialno of the board from VPD") Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20Merge branch 'DSA-with-VLAN-filtering-and-offloading-masters'David S. Miller
Vladimir Oltean says: ==================== DSA with VLAN filtering and offloading masters This series attempts to make DSA VLANs work in the presence of a master interface that is: - filtering, so it drops VLANs that aren't explicitly added to its filter list - offloading, so the old assumptions in the tagging code about there being a VLAN tag in the skb are not necessarily true anymore. For more context: https://lore.kernel.org/netdev/20200910150738.mwhh2i6j2qgacqev@skbuf/ This probably marks the beginning of a series of patches in which DSA starts paying much more attention to its upper interfaces, not only for VLAN purposes but also for address filtering and for management of the CPU flooding domain. There was a comment from Florian on whether we could factor some of the mlxsw logic into some common functionality, but it doesn't look so. This seems bound to be open-coded, but frankly there isn't a lot to it. Changes in v2: Applied Florian's cosmetic suggestion in patch 4/9. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: tag_sja1105: add compatibility with hwaccel VLAN tagsVladimir Oltean
Check whether there is any hwaccel VLAN tag on RX, and if there is, treat it as the tag_8021q header. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: tag_8021q: add VLANs to the master interface tooVladimir Oltean
The whole purpose of tag_8021q is to send VLAN-tagged traffic to the CPU, from which the driver can decode the source port and switch id. Currently this only works if the VLAN filtering on the master is disabled. Change that by explicitly adding code to tag_8021q.c to add the VLANs corresponding to the tags to the filter of the master interface. Because we now need to call vlan_vid_add, then we also need to hold the RTNL mutex. Propagate that requirement to the callers of dsa_8021q_setup and modify the existing call sites as appropriate. Note that one call path, sja1105_best_effort_vlan_filtering_set -> sja1105_vlan_filtering -> sja1105_setup_8021q_tagging, was already holding this lock. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: install VLANs into the master's RX filter tooVladimir Oltean
Most DSA switch tags shift the EtherType to the right, causing the master to not parse the VLAN as VLAN. However, not all switches do that (example: tail tags, tag_8021q etc), and if the DSA master has "rx-vlan-filter: on" in ethtool -k, then we have a problem. Therefore, we could populate the VLAN table of the master, just in case (for some switches it will not make a difference), so that network I/O can work even with a VLAN filtering master. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: allow 8021q uppers while the bridge has vlan_filtering=0Vladimir Oltean
When the bridge has VLAN awareness disabled there isn't any duplication of functionality, since the bridge does not process VLAN. Don't deny adding 8021q uppers to DSA switch ports in that case. The switch is supposed to simply pass traffic leaving the VLAN tag as-is, and the stack will happily strip the VLAN tag for all 8021q uppers that exist. We need to ensure that there are no 8021q uppers when the user attempts to enable bridge vlan_filtering. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: refuse configuration in prepare phase of dsa_port_vlan_filtering()Vladimir Oltean
The current logic beats me a little bit. The comment that "bridge skips -EOPNOTSUPP, so skip the prepare phase" was introduced in commit fb2dabad69f0 ("net: dsa: support VLAN filtering switchdev attr"). I'm not sure: (a) ok, the bridge skips -EOPNOTSUPP, but, so what, where are we returning -EOPNOTSUPP? (b) even if we are, and I'm just not seeing it, what is the causality relationship between the bridge skipping -EOPNOTSUPP and DSA skipping the prepare phase, and just returning zero? One thing is certain beyond doubt though, and that is that DSA currently refuses VLAN filtering from the "commit" phase instead of "prepare", and that this is not a good thing: ip link add br0 type bridge ip link add br1 type bridge vlan_filtering 1 ip link set swp2 master br0 ip link set swp3 master br1 [ 3790.379389] 001: sja1105 spi0.1: VLAN filtering is a global setting [ 3790.379399] 001: ------------[ cut here ]------------ [ 3790.379403] 001: WARNING: CPU: 1 PID: 515 at net/switchdev/switchdev.c:157 switchdev_port_attr_set_now+0x9c/0xa4 [ 3790.379420] 001: swp3: Commit of attribute (id=6) failed. [ 3790.379533] 001: [<c11ff588>] (switchdev_port_attr_set_now) from [<c11b62e4>] (nbp_vlan_init+0x84/0x148) [ 3790.379544] 001: [<c11b62e4>] (nbp_vlan_init) from [<c11a2ff0>] (br_add_if+0x514/0x670) [ 3790.379554] 001: [<c11a2ff0>] (br_add_if) from [<c1031b5c>] (do_setlink+0x38c/0xab0) [ 3790.379565] 001: [<c1031b5c>] (do_setlink) from [<c1036fe8>] (__rtnl_newlink+0x44c/0x748) [ 3790.379573] 001: [<c1036fe8>] (__rtnl_newlink) from [<c1037328>] (rtnl_newlink+0x44/0x60) [ 3790.379580] 001: [<c1037328>] (rtnl_newlink) from [<c10315fc>] (rtnetlink_rcv_msg+0x124/0x2f8) [ 3790.379590] 001: [<c10315fc>] (rtnetlink_rcv_msg) from [<c10926b8>] (netlink_rcv_skb+0xb8/0x110) [ 3790.379806] 001: ---[ end trace 0000000000000002 ]--- [ 3790.379819] 001: sja1105 spi0.1 swp3: failed to initialize vlan filtering on this port So move the current logic that may fail (except ds->ops->port_vlan_filtering, that is way harder) into the prepare stage of the switchdev transaction. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: convert denying bridge VLAN with existing 8021q upper to ↵Vladimir Oltean
PRECHANGEUPPER This is checking for the following order of operations, and makes sure to deny that configuration: ip link add link swp2 name swp2.100 type vlan id 100 ip link add br0 type bridge vlan_filtering 1 ip link set swp2 master br0 bridge vlan add dev swp2 vid 100 Instead of using vlan_for_each(), which looks at the VLAN filters installed with vlan_vid_add(), just track the 8021q uppers. This has the advantage of freeing up the vlan_vid_add() call for actual VLAN filtering. There is another change in this patch. The check is moved in slave.c, from switch.c. I don't think it makes sense to have this 8021q upper check for each switch port that gets notified of that VLAN addition (these include DSA links and CPU ports, we know those can't have 8021q uppers because they don't have a net_device registered for them), so just do it in slave.c, for that one slave interface. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: convert check for 802.1Q upper when bridged into PRECHANGEUPPERVladimir Oltean
DSA tries to prevent having a VLAN added by a bridge and by an 802.1Q upper at the same time. It does that by checking the VID in .ndo_vlan_rx_add_vid(), since that's something that the 8021q module calls, via vlan_vid_add(). When a VLAN matches in both subsystems, this check returns -EBUSY. However the vlan_vid_add() function isn't specific to the 8021q module in any way at all. It is simply the kernel's way to tell an interface to add a VLAN to its RX filter and not drop that VLAN. So there's no reason to return -EBUSY when somebody tries to call vlan_vid_add() for a VLAN that was installed by the bridge. The proper behavior is to accept that configuration. So what's wrong is how DSA checks that it has an 8021q upper. It should look at the actual uppers for that, not just assume that the 8021q module was somewhere in the call stack of .ndo_vlan_rx_add_vid(). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: rename dsa_slave_upper_vlan_check to something more suggestiveVladimir Oltean
We'll be adding a new check in the PRECHANGEUPPER notifier, where we'll need to check some VLAN uppers. It is hard to do that when there is already a function named dsa_slave_upper_vlan_check. So rename this one. Not to mention that this function probably shouldn't have started with "dsa_slave_" in the first place, since the struct net_device argument isn't a DSA slave, but an 8021q upper of one. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20net: dsa: deny enslaving 802.1Q upper to VLAN-aware bridge from PRECHANGEUPPERVladimir Oltean
There doesn't seem to be any strong technical reason for doing it this way, but we'll be adding more checks for invalid upper device configurations, and it will be easier to have them all grouped under PRECHANGEUPPER. Tested that it still works: ip link set br0 type bridge vlan_filtering 1 ip link add link swp2 name swp2.100 type vlan id 100 ip link set swp2.100 master br0 [ 20.321312] br0: port 5(swp2.100) entered blocking state [ 20.326711] br0: port 5(swp2.100) entered disabled state Error: dsa_core: Cannot enslave VLAN device into VLAN aware bridge. [ 20.346549] br0: port 5(swp2.100) entered blocking state [ 20.351957] br0: port 5(swp2.100) entered disabled state Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-20Linux 5.9-rc6Linus Torvalds
2020-09-20Merge tag 'core_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull syscall tracing fix from Borislav Petkov: "Fix the seccomp syscall rewriting so that trace and audit see the rewritten syscall number, from Kees Cook" * tag 'core_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: core/entry: Report syscall correctly for trace and audit
2020-09-20Merge tag 'objtool_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fix from Borislav Petkov: "Fix noreturn detection for ignored sibling functions (Josh Poimboeuf)" * tag 'objtool_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix noreturn detection for ignored functions
2020-09-20Merge tag 'locking_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Borislav Petkov: "Two fixes from the locking/urgent pile: - Fix lockdep's detection of "USED" <- "IN-NMI" inversions (Peter Zijlstra) - Make percpu-rwsem operations on the semaphore's ->read_count IRQ-safe because it can be used in an IRQ context (Hou Tao)" * tag 'locking_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count locking/lockdep: Fix "USED" <- "IN-NMI" inversions
2020-09-20Merge tag 'efi-urgent-for-v5.9-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull EFI fix from Borislav Petkov: "Ensure that the EFI bootloader control module only probes successfully on systems that support the EFI SetVariable runtime service" [ Tag and commit from Ard Biesheuvel, forwarded by Borislav ] * tag 'efi-urgent-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: efibc: check for efivars write capability
2020-09-20Merge tag 'x86_urgent_for_v5.9_rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - A defconfig fix (Daniel Díaz) - Disable relocation relaxation for the compressed kernel when not built as -pie as in that case kernels built with clang and linked with LLD fail to boot due to the linker optimizing some instructions in non-PIE form; the gory details in the commit message (Arvind Sankar) - A fix for the "bad bp value" warning issued by the frame-pointer unwinder (Josh Poimboeuf) * tag 'x86_urgent_for_v5.9_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/unwind/fp: Fix FP unwinding in ret_from_fork x86/boot/compressed: Disable relocation relaxation x86/defconfigs: Explicitly unset CONFIG_64BIT in i386_defconfig
2020-09-20Merge tag 'libnvdimm-fixes-5.9-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "A handful of fixes to address a string of mistakes in the mechanism for device-mapper to determine if its component devices are dax capable. - Fix an original bug in device-mapper table reference counting when interrogating dax capability in the component device. This bug was hidden by the following bug. - Fix device-mapper to use the proper helper (dax_supported() instead of the leaf helper generic_fsdax_supported()) to determine dax operation of a stacked block device configuration. The original implementation is only valid for one level of dax-capable block device stacking. This bug was discovered while fixing the below regression. - Fix an infinite recursion regression introduced by broken attempts to quiet the generic_fsdax_supported() path and make it bail out before logging "dax capability not found" errors" * tag 'libnvdimm-fixes-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: Fix stack overflow when mounting fsdax pmem device dm: Call proper helper to determine dax support dm/dax: Fix table reference counts
2020-09-20Merge tag 'kvm-s390-master-5.9-1' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master KVM: s390: add documentation for KVM_CAP_S390_DIAG318 diag318 code was merged in 5.9-rc1, let us add some missing documentation
2020-09-20Merge tag 'kvmarm-fixes-5.9-2' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master KVM/arm64 fixes for 5.9, take #2 - Fix handling of S1 Page Table Walk permission fault at S2 on instruction fetch - Cleanup kvm_vcpu_dabt_iswrite()
2020-09-20Revert "KVM: Check the allocation of pv cpu mask"Vitaly Kuznetsov
The commit 0f990222108d ("KVM: Check the allocation of pv cpu mask") we have in 5.9-rc5 has two issue: 1) Compilation fails for !CONFIG_SMP, see: https://bugzilla.kernel.org/show_bug.cgi?id=209285 2) This commit completely disables PV TLB flush, see https://lore.kernel.org/kvm/87y2lrnnyf.fsf@vitty.brq.redhat.com/ The allocation problem is likely a theoretical one, if we don't have memory that early in boot process we're likely doomed anyway. Let's solve it properly later. This reverts commit 0f990222108d214a0924d920e6095b58107d7b59. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-20net: mventa: remove unused variable 'dummy' in mvneta_mib_counters_clear()Zhang Changzhong
Fixes the following W=1 kernel build warning(s): drivers/net/ethernet/marvell/mvneta.c:754:6: warning: variable 'dummy' set but not used [-Wunused-but-set-variable] 754 | u32 dummy; | ^~~~~ This variable is not used in function mvneta_mib_counters_clear(), so remove it to avoid build warning. Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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