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(SW5-012)
On the Acer Aspire Switch 10 (SW5-012) microSD slot always reports the card
being write-protected even though microSD cards do not have a write-protect
switch at all.
Add a new DMI_QUIRK_SD_NO_WRITE_PROTECT quirk which when set sets
the MMC_CAP2_NO_WRITE_PROTECT flag on the controller for the external SD
slot; and add a DMI quirk table entry which selects this quirk for the
Acer SW5-012.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200316184753.393458-2-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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microSD on Lenovo Miix 320
Based on a sample of 7 DSDTs from Cherry Trail devices using an AXP288
PMIC depending on the design one of 2 possible LDOs on the PMIC is used
for the MMC signalling voltage, either DLDO3 or GPIO1LDO (GPIO1 pin in
low noise LDO mode).
The Lenovo Miix 320-10ICR uses GPIO1LDO in the SHC1 ACPI device's DSM
methods to set 3.3 or 1.8 signalling voltage and this appears to work
as advertised, so presumably the device is actually using GPIO1LDO for
the external microSD signalling voltage.
But this device has a bug in the _PS0 method of the SHC1 ACPI device,
the DSM remembers the last set signalling voltage and the _PS0 restores
this after a (runtime) suspend-resume cycle, but it "restores" the voltage
on DLDO3 instead of setting it on GPIO1LDO as the DSM method does. DLDO3
is used for the LCD and setting it to 1.8V causes the LCD to go black.
This commit works around this issue by calling the Intel DSM to reset the
signal voltage to 3.3V after the host has been runtime suspended.
This will make the _PS0 method reprogram the DLDO3 voltage to 3.3V, which
leaves it at its original setting fixing the LCD going black.
This commit adds and uses a DMI quirk mechanism to only trigger this
workaround on the Lenovo Miix 320 while leaving the behavior of the
driver unchanged on other devices.
BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=111294
BugLink: https://gitlab.freedesktop.org/drm/intel/issues/355
Reported-by: russianneuromancer <russianneuromancer@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200316184753.393458-1-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Even though INITRAMFS_SOURCE kconfig option isn't set in most of
defconfigs it is used (set) extensively by various build systems.
Commit f26661e12765 ("initramfs: make initramfs compression choice
non-optional") has changed default compression mode. Previously we
compress initramfs using available compression algorithm. Now
we don't use any compression at all by default.
It significantly increases the image size in case of build system
chooses embedded initramfs. Initially I faced with this issue while
using buildroot.
As of today it's not possible to set preferred compression mode
in target defconfig as this option depends on INITRAMFS_SOURCE
being set. Modification of all build systems either doesn't look
like good option.
Let's instead rewrite initramfs compression mode choices list
the way that "INITRAMFS_COMPRESSION_NONE" will be the last option
in the list. In that case it will be chosen only if all other
options (which implements any compression) are not available.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The fix referenced below causes a crash when an ERSPAN tunnel is created
without passing IFLA_INFO_DATA. Fix by validating passed-in data in the
same way as ipgre does.
Fixes: e1f8f78ffe98 ("net: ip_gre: Separate ERSPAN newlink / changelink callbacks")
Reported-by: syzbot+1b4ebf4dae4e510dd219@syzkaller.appspotmail.com
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to preserve backwards compatability with kmod tools, we have to
move the namespace field in Module.symvers last, as the depmod -e -E
option looks at the first three fields in Module.symvers to check symbol
versions (and it's expected they stay in the original order of crc,
symbol, module).
In addition, update an ancient comment above read_dump() in modpost that
suggested that the export type field in Module.symvers was optional. I
suspect that there were historical reasons behind that comment that are
no longer accurate. We have been unconditionally printing the export
type since 2.6.18 (commit bd5cbcedf44), which is over a decade ago now.
Fix up read_dump() to treat each field as non-optional. I suspect the
original read_dump() code treated the export field as optional in order
to support pre <= 2.6.18 Module.symvers (which did not have the export
type field). Note that although symbol namespaces are optional, the
field will not be omitted from Module.symvers if a symbol does not have
a namespace. In this case, the field will simply be empty and the next
delimiter or end of line will follow.
Cc: stable@vger.kernel.org
Fixes: cb9b55d21fe0 ("modpost: add support for symbol namespaces")
Tested-by: Matthias Maennich <maennich@google.com>
Reviewed-by: Matthias Maennich <maennich@google.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Pull ARM fixes from Russell King:
- allow use of ARMv8 arch timer in 32-bit VDSO
- rename missed .fixup section
- fix kbuild issue with stack protector GCC plugin
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8961/2: Fix Kbuild issue caused by per-task stack protector GCC plugin
ARM: 8958/1: rename missed uaccess .fixup section
ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
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For the case where the last mvneta_poll did not process all
RX packets, we need to xor the pp->cause_rx_tx or port->cause_rx_tx
before claculating the rx_queue.
Fixes: 2dcf75e2793c ("net: mvneta: Associate RX queues with each CPU")
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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printk in macro vxge_debug_ll uses __VA_ARGS__ without "##" prefix,
it causes a build error when there is no variable
arguments(e.g. only fmt is specified.).
Signed-off-by: Zheng Wei <wei.zheng@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Madalin Bucur says:
====================
QorIQ DPAA ARM RDBs need internal delay on RGMII
v2: used phy_interface_mode_is_rgmii() to identify RGMII
The QorIQ DPAA 1 based RDB boards require internal delay on
both Tx and Rx to be set. The patch set ensures all RGMII
modes are treated correctly by the FMan driver and sets the
phy-connection-type to "rgmii-id" to restore functionality.
Previously Rx internal delay was set by board pull-ups and
was left untouched by the PHY driver. Since commit
1b3047b5208a80 ("net: phy: realtek: add support for
configuring the RX delay on RTL8211F") the Realtek 8211F PHY
driver has control over the RGMII RX delay and it is
disabling it for other modes than RGMII_RXID and RGMII_ID.
Please note that u-boot in particular performs a fix-up of
the PHY connection type and will overwrite the values from
the Linux device tree. Another patch set was sent for u-boot
and one needs to apply that [1] to the boot loader, to ensure
this fix is complete, unless a different bootloader is used.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The correct setting for the RGMII ports on LS1046ARDB is to
enable delay on both Rx and Tx so the interface mode used must
be PHY_INTERFACE_MODE_RGMII_ID.
Since commit 1b3047b5208a80 ("net: phy: realtek: add support for
configuring the RX delay on RTL8211F") the Realtek 8211F PHY driver
has control over the RGMII RX delay and it is disabling it for
RGMII_TXID. The LS1046ARDB uses two such PHYs in RGMII_ID mode but
in the device tree the mode was described as "rgmii".
Changing the phy-connection-type to "rgmii-id" to address the issue.
Fixes: 3fa395d2c48a ("arm64: dts: add LS1046A DPAA FMan nodes")
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The correct setting for the RGMII ports on LS1043ARDB is to
enable delay on both Rx and Tx so the interface mode used must
be PHY_INTERFACE_MODE_RGMII_ID.
Since commit 1b3047b5208a80 ("net: phy: realtek: add support for
configuring the RX delay on RTL8211F") the Realtek 8211F PHY driver
has control over the RGMII RX delay and it is disabling it for
RGMII_TXID. The LS1043ARDB uses two such PHYs in RGMII_ID mode but
in the device tree the mode was described as "rgmii_txid".
This issue was not apparent at the time as the PHY driver took the
same action for RGMII_TXID and RGMII_ID back then but it became
visible (RX no longer working) after the above patch.
Changing the phy-connection-type to "rgmii-id" to address the issue.
Fixes: bf02f2ffe59c ("arm64: dts: add LS1043A DPAA FMan support")
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Treat all internal delay variants the same as RGMII.
Signed-off-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A lenovo pixart mouse (17ef:608d) is afflicted common the the malfunction
where it disconnects and reconnects every minute--each time incrementing
the device number. This patch adds the device id of the device and
specifies that it needs the HID_QUIRK_ALWAYS_POLL quirk in order to
work properly.
Signed-off-by: Tony Fischetti <tony.fischetti@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Currently enabling clkctrl clock on am4 can fail for RTC as the clock
parent is wrong for RTC.
Fixes: 76a1049b84dd ("clk: ti: am43xx: add new clkctrl data for am43xx")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lkml.kernel.org/r/20200221171030.39326-1-tony@atomide.com
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into clk-fixes
Pull a few more i.MX clk fixes for 5.6:
- A couple of fixes on i.MX8MP clock driver to correct HDMI_AXI and
ENET_QOS_ROOT parent clock
* tag 'imx-clk-fixes-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
clk: imx8mp: Correct the enet_qos parent clock
clk: imx8mp: Correct IMX8MP_CLK_HDMI_AXI clock parent
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Add 1 additional hammer-like device.
Signed-off-by: Chen-Tsung Hsieh <chentsung@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The bspec documents multiple MCR ranges; make sure they're all captured
by the driver.
Bspec: 13991, 52079
Fixes: 592a7c5e082e ("drm/i915: Extend non readable mcr range")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311162300.1838847-2-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
(cherry picked from commit 415d1269975d3fc21c13a6ae8de7b5fe0e6febb1)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This reverts commit 36a6b5d964d995b536b1925ec42052ee40ba92c4.
The commit takes care Wa_1604544889 which was fixed on a0 stepping based on
a0 replan. So no SW workaround is required on any stepping now.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Fixes: 36a6b5d964d9 ("drm/i915/tgl: Add extra hdc flush workaround")
Link: https://patchwork.freedesktop.org/patch/msgid/1c751032ce79c80c5485cae315f1a9904ce07cac.1583359940.git.caz.yokoyama@intel.com
(cherry picked from commit 175c4d9b3b9a60b4ea0b8cd034011808c6a03b05)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Record the initial active element we use when building the next ELSP
submission, so that we can compare against it latter to see if there's
no change.
Fixes: 44d0a9c05bc0 ("drm/i915/execlists: Skip redundant resubmission")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-2-chris@chris-wilson.co.uk
(cherry picked from commit 60ef5b7ac6a131f09d287a5f156c878c2c926a30)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The vti6_rcv function performs some tests on the retrieved tunnel
including checking the IP protocol, the XFRM input policy, the
source and destination address.
In all but one places the skb is released in the error case. When
the input policy check fails the network packet is leaked.
Using the same goto-label discard in this case to fix this problem.
Fixes: ed1efb2aefbb ("ipv6: Add support for IPsec virtual tunnel interfaces")
Signed-off-by: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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This is a similar bug like the previous case for virmidi: the invalid
running status is kept after receiving a sysex message.
Again the fix is to clear the running status after handling the sysex.
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/3b4a4e0f232b7afbaf0a843f63d0e538e3029bfd.camel@domdv.de
Link: https://lore.kernel.org/r/20200316090506.23966-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The virmidi driver handles sysex event exceptionally in a short-cut
snd_seq_dump_var_event() call, but this missed the reset of the
running status. As a result, it may lead to an incomplete command
right after the sysex when an event with the same running status was
queued.
Fix it by clearing the running status properly via alling
snd_midi_event_reset_decode() for that code path.
Reported-by: Andreas Steinmetz <ast@domdv.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/3b4a4e0f232b7afbaf0a843f63d0e538e3029bfd.camel@domdv.de
Link: https://lore.kernel.org/r/20200316090506.23966-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Michal Kubecek says:
====================
ethtool: fail with error if request has unknown flags
Jakub Kicinski pointed out that if unrecognized flags are set in netlink
header request, kernel shoud fail with an error rather than silently
ignore them so that we have more freedom in future flags semantics.
To help userspace with handling such errors, inform the client which
flags are supported by kernel. For that purpose, we need to allow
passing cookies as part of extack also in case of error (they can be
only passed on success now).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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As pointed out by Jakub Kicinski, we ethtool netlink code should respond
with an error if request head has flags set which are not recognized by
kernel, either as a mistake or because it expects functionality introduced
in later kernel versions.
To avoid unnecessary roundtrips, use extack cookie to provide the
information about supported request flags.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to existing nl_set_extack_cookie_u64(), add new helper
nl_set_extack_cookie_u32() which sets extack cookie to a u32 value.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit ba0dc5f6e0ba ("netlink: allow sending extended ACK with cookie on
success") introduced a cookie which can be sent to userspace as part of
extended ack message in the form of NLMSGERR_ATTR_COOKIE attribute.
Currently the cookie is ignored if error code is non-zero but there is
no technical reason for such limitation and it can be useful to provide
machine parseable information as part of an error message.
Include NLMSGERR_ATTR_COOKIE whenever the cookie has been set,
regardless of error code.
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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route4_change() allocates a new filter and copies values from
the old one. After the new filter is inserted into the hash
table, the old filter should be removed and freed, as the final
step of the update.
However, the current code mistakenly removes the new one. This
looks apparently wrong to me, and it causes double "free" and
use-after-free too, as reported by syzbot.
Reported-and-tested-by: syzbot+f9b32aaacd60305d9687@syzkaller.appspotmail.com
Reported-and-tested-by: syzbot+2f8c233f131943d6056d@syzkaller.appspotmail.com
Reported-and-tested-by: syzbot+9c2df9fd5e9445b74e01@syzkaller.appspotmail.com
Fixes: 1109c00547fc ("net: sched: RCU cls_route")
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Taehee Yoo says:
====================
hsr: fix several bugs in generic netlink callback
This patchset is to fix several bugs they are related in
generic netlink callback in hsr module.
1. The first patch is to add missing rcu_read_lock() in
hsr_get_node_{list/status}().
The hsr_get_node_{list/status}() are not protected by RTNL because
they are callback functions of generic netlink.
But it calls __dev_get_by_index() without acquiring RTNL.
So, it would use unsafe data.
2. The second patch is to avoid failure of hsr_get_node_list().
hsr_get_node_list() is a callback of generic netlink and
it is used to get node information in userspace.
But, if there are so many nodes, it fails because of buffer size.
So, in this patch, restart routine is added.
3. The third patch is to set .netnsok flag to true.
If .netnsok flag is false, non-init_net namespace is not allowed to
operate generic netlink operations.
So, currently, non-init_net namespace has no way to get node information
because .netnsok is false in the current hsr code.
Change log:
v1->v2:
- Preserve reverse christmas tree variable ordering in the second patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hsr module has been supporting the list and status command.
(HSR_C_GET_NODE_LIST and HSR_C_GET_NODE_STATUS)
These commands send node information to the user-space via generic netlink.
But, in the non-init_net namespace, these commands are not allowed
because .netnsok flag is false.
So, there is no way to get node information in the non-init_net namespace.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The hsr_get_node_list() is to send node addresses to the userspace.
If there are so many nodes, it could fail because of buffer size.
In order to avoid this failure, the restart routine is added.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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hsr_get_node_{list/status}() are not under rtnl_lock() because
they are callback functions of generic netlink.
But they use __dev_get_by_index() without rtnl_lock().
So, it would use unsafe data.
In order to fix it, rcu_read_lock() and dev_get_by_index_rcu()
are used instead of __dev_get_by_index().
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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enet_qos is for eqos tsn AXI bus clock whose clock source is from
ccm_enet_axi_clk_root, and controlled by CCM_CCGR59(offset 0x43b0)
and CCM_CCGR64(offset 0x4400), so correct enet_qos root clock's
parent clock to sim_enet.
Fixes: 9c140d992676 ("clk: imx: Add support for i.MX8MP clock driver")
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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IMX8MP_CLK_HDMI_AXI should be from imx8mp_media_axi_sels instead
of imx8mp_media_apb_sels, fix it.
Fixes: 9c140d992676 ("clk: imx: Add support for i.MX8MP clock driver")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Takashi Iwai says:
====================
net: Use scnprintf() for avoiding potential buffer overflow
here is a respin of trivial patch series just to convert suspicious
snprintf() usages with the more safer one, scnprintf().
v1->v2: Align the remaining lines to the open parenthesis
Excluded i40e patch that was already queued
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Edward Cree <ecree@solarflare.com>
Cc: Martin Habets <mhabets@solarflare.com>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: oss-drivers@netronome.com
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: oss-drivers@netronome.com
To: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Tariq Toukan <tariqt@mellanox.com>
To: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The cited commit set a value of 2^31-1 in order to "disable" the shaper
on a given a port. However, the length of the maximum shaper rate field
was not updated from 28 bits to 31 bits, which means ports are still
limited to ~268Gbps despite supporting speeds of 400Gbps.
Fix this by increasing the field's length.
Fixes: 92afbfedb77d ("mlxsw: reg: Increase MLXSW_REG_QEEC_MAS_DIS")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Thomas Gleixner:
"A single commit to handle an erratum in Cavium ThunderX to prevent
access to GIC registers which are broken in the implementation"
* tag 'irq-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Workaround Cavium erratum 38539 when reading GICD_TYPER2
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull futex fix from Thomas Gleixner:
"Fix for yet another subtle futex issue.
The futex code used ihold() to prevent inodes from vanishing, but
ihold() does not guarantee inode persistence. Replace the inode
pointer with a per boot, machine wide, unique inode identifier.
The second commit fixes the breakage of the hash mechanism which
causes a 100% performance regression"
* tag 'locking-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Unbreak futex hashing
futex: Fix inode life-time issue
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for x86:
- Map EFI runtime service data as encrypted when SEV is enabled.
Otherwise e.g. SMBIOS data cannot be properly decoded by dmidecode.
- Remove the warning in the vector management code which triggered
when a managed interrupt affinity changed outside of a CPU hotplug
operation.
The warning was correct until the recent core code change that
introduced a CPU isolation feature which needs to migrate managed
interrupts away from online CPUs under certain conditions to
achieve the isolation"
* tag 'x86-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/vector: Remove warning on managed interrupt migration
x86/ioremap: Map EFI runtime services data as encrypted for SEV
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A pile of perf fixes:
Kernel side:
- AMD uncore driver: Replace the open coded sanity check with the
core variant, which provides the correct error code and also leaves
a hint in dmesg
Tooling:
- Fix the stdio input handling with glibc versions >= 2.28
- Unbreak the futex-wake benchmark which was reduced to 0 test
threads due to the conversion to cpumaps
- Initialize sigaction structs before invoking sys_sigactio()
- Plug the mapfile memory leak in perf jevents
- Fix off by one relative directory includes
- Fix an undefined string comparison in perf diff"
* tag 'perf-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/amd/uncore: Replace manual sampling check with CAP_NO_INTERRUPT flag
tools: Fix off-by 1 relative directory includes
perf jevents: Fix leak of mapfile memory
perf bench: Clear struct sigaction before sigaction() syscall
perf bench futex-wake: Restore thread count default to online CPU count
perf top: Fix stdio interface input handling with glibc 2.28+
perf diff: Fix undefined string comparision spotted by clang's -Wstring-compare
perf symbols: Don't try to find a vmlinux file when looking for kernel modules
perf bench: Share some global variables to fix build with gcc 10
perf parse-events: Use asprintf() instead of strncpy() to read tracepoint files
perf env: Do not return pointers to local variables
perf tests bp_account: Make global variable static
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix adding the missing time namespace adjustment in
sys/sysinfo which caused sys/sysinfo to be inconsistent with
/proc/uptime when read from a task inside a time namespace"
* tag 'timers-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sys/sysinfo: Respect boottime inside time namespace
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Thomas Gleixner:
"Two RAS related fixes:
- Shut down the per CPU thermal throttling poll work properly when a
CPU goes offline.
The missing shutdown caused the poll work to be migrated to a
unbound worker which triggered warnings about the usage of
smp_processor_id() in preemptible context
- Fix the PPIN feature initialization which missed to enable the
functionality when PPIN_CTL was enabled but the MSR locked against
updates"
* tag 'ras-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Fix logic and comments around MSR_PPIN_CTL
x86/mce/therm_throt: Undo thermal polling properly on CPU offline
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Thomas Gleixner:
"Two EFI fixes:
- Prevent a race and buffer overflow in the sysfs efivars interface
which causes kernel memory corruption.
- Add the missing NULL pointer checks in efivar_store_raw()"
* tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Add a sanity check to efivar_store_raw()
efi: Fix a race and a buffer overflow while reading efivars via sysfs
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- Intel VT-d fixes:
- RCU list handling fixes
- Replace WARN_TAINT with pr_warn + add_taint for reporting firmware
issues
- DebugFS fixes
- Fix for hugepage handling in iova_to_phys implementation
- Fix for handling VMD devices, which have a domain number which
doesn't fit into 16 bits
- Warning message fix
- MSI allocation fix for iommu-dma code
- Sign-extension fix for io page-table code
- Fix for AMD-Vi to properly update the is-running bit when AVIC is
used
* tag 'iommu-fixes-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/vt-d: Populate debugfs if IOMMUs are detected
iommu/amd: Fix IOMMU AVIC not properly update the is_run bit in IRTE
iommu/vt-d: Ignore devices with out-of-spec domain number
iommu/vt-d: Fix the wrong printing in RHSA parsing
iommu/vt-d: Fix debugfs register reads
iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
iommu/vt-d: dmar_parse_one_rmrr: replace WARN_TAINT with pr_warn + add_taint
iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
iommu/vt-d: Silence RCU-list debugging warnings
iommu/vt-d: Fix RCU-list bugs in intel_iommu_init()
iommu/dma: Fix MSI reservation allocation
iommu/io-pgtable-arm: Fix IOVA validation for 32-bit
iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
iommu/vt-d: Fix RCU list debugging warnings
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