slave support for inv_mpu6050 #94
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…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: dts: keystone-k2g: whitespace cleanup usb: dwc3: gadget: don't leave locks held Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: dts: am57xx-beagle-x15-revb1: fix HDMI LS_OE gpio drm/omap: fix copy_timings_drm_to_omap() ARM: dts: keystone-k2g-evm: Audio support Doc: DT: add binding doc for K2G DSS ARM: dts: k2g-evm: add HDMI ARM: dts: k2g: add DSS Signed-off-by: Texas Instruments Auto Merger <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
…kernel/git/rt/linux-rt-devel into ti-rt-linux-4.4.y TI-Feature: linux_rt-4-4 TI-Tree: http://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git TI-Branch: linux-4.4.y-rt * 'linux-4.4.y-rt' of http://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel: v4.4.6-rt14 drivers/block/zram: fixup compile for !RT ARM: imx: always use TWD on IMX6Q Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: serial: 8250/keystone: fix building with SERIAL_8250=m usb: dwc3: gadget: reinitialize endpoints on suspend usb: dwc3: core: Fix dual-role state change during suspend/resume extcon: usb-gpio: Don't miss event during suspend/resume usb: dwc3: omap: fix up error path on probe() ti_config_fragments/connectivity: enable usb gadget options ti_config_fragments/connectivity.cfg: Enable PWM related drivers ARM: dts: DRA7: Add dt nodes for PWMSS ARM: dts: DRA7: Add TBCLK for PWMSS ARM: OMAP2+: DRA7: Add hwmod entries for PWMSS ARM: AM335x/AM437x: hwmod: Remove eQEP, ePWM and eCAP hwmod entries ARM: dts: am437x/am33xx: Remove eCAP and ePWM hwmod properties pwms: pwm-ti*: Get the clock from the PWMSS (parent) pwm: pwm-tiehrpwm: Update dt binding document to use generic node name ARM: DTS: da850/am4372/am33xx: Use generic node name for ehrpwm ARM: dts: am335x/am437x: Add TBCLK to PWM node pwms: pwm-ti*: Remove support for local clock gating ARM: dts: am57xx: remove extcon_usb1 Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (210 commits) Linux 4.4.7 perf/x86/intel: Fix PEBS data source interpretation on Nehalem/Westmere perf/x86/intel: Use PAGE_SIZE for PEBS buffer size on Core2 perf/x86/intel: Fix PEBS warning by only restoring active PMU in pmi perf/x86/pebs: Add workaround for broken OVFL status on HSW+ sched/cputime: Fix steal time accounting vs. CPU hotplug scsi_common: do not clobber fixed sense information PM / sleep: Clear pm_suspend_global_flags upon hibernate intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled mtd: onenand: fix deadlock in onenand_block_markbad mm/page_alloc: prevent merging between isolated and other pageblocks ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list ocfs2/dlm: fix race between convert and recovery Input: ati_remote2 - fix crashes on detecting device with invalid descriptor Input: ims-pcu - sanity check against missing interfaces Input: synaptics - handle spurious release of trackstick buttons, again writeback, cgroup: fix use of the wrong bdi_writeback which mismatches the inode writeback, cgroup: fix premature wb_put() in locked_inode_to_wb_and_lock_list() ACPI / PM: Runtime resume devices when waking from hibernate ARM: dts: at91: sama5d4 Xplained: don't disable hsmci regulator ... Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ASoC: davinci-mcasp: Calculate AUXCLK divider when setting up master clocks ASoC: davinci-mcasp: Restructure the davinci_mcasp_calc_clk_div() ASoC: davinci-mcasp: Change __davinci_mcasp_set_clkdiv() first parameter ASoC: davinci-mcasp: Do not allow multiple streams in one direction ARM: DTS: am57xx-idk: Add support for touchscreen controller ARM: dts: am571x-idk: Add OSD101T2045-53TS LCD support for AM571x IDK ARM: dts: am572x-idk: Add OSD101T2045-53TS LCD support for AM572x IDK ARM: dts: am57xx-idk: Add common OSD101T2045-53TS LCD support ARM: dts: am57xx-evm: add touchscreen support ARM: dts: am57xx-evm: add LCD backlight ARM: dts: am57xx-evm: add LCD support Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: dts: keystone-k2g: Fixup QSPI node after incorrect merge Signed-off-by: Texas Instruments Auto Merger <[email protected]>
This is the 4.4.7 stable release
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: dts: k2g: qmss: correct interrupt property soc: ti: knav_qmss_queue: fix Linking RAM 0 Size register configuration net: netcp: store network statistics in 64 bits soc: ti: qmss: fix the case when !SMP net: netcp: pa: add missing of_node_put() on bail out Signed-off-by: Texas Instruments Auto Merger <[email protected]>
If panic on NMI happens just after panic() on the same CPU, panic() is recursively called. Kernel stalls, as a result, after failing to acquire panic_lock. To avoid this problem, don't call panic() in NMI context if we've already entered panic(). For that, introduce nmi_panic() macro to reduce code duplication. In the case of panic on NMI, don't return from NMI handlers if another CPU already panicked. Signed-off-by: Hidehiro Kawai <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: Aaron Tomlin <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Baoquan He <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: Don Zickus <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Gobinda Charan Maji <[email protected]> Cc: HATAYAMA Daisuke <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Javi Merino <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: [email protected] Cc: [email protected] Cc: lkml <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Michal Nazarewicz <[email protected]> Cc: Nicolas Iooss <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Prarit Bhargava <[email protected]> Cc: Rasmus Villemoes <[email protected]> Cc: Rusty Russell <[email protected]> Cc: Seth Jennings <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ulrich Obergfell <[email protected]> Cc: Vitaly Kuznetsov <[email protected]> Cc: Vivek Goyal <[email protected]> Link: http://lkml.kernel.org/r/20151210014626.25437.13302.stgit@softrs [ Cleanup comments, fixup formatting. ] Signed-off-by: Borislav Petkov <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Currently, kdump_nmi_shootdown_cpus(), a subroutine of crash_kexec(),
sends an NMI IPI to CPUs which haven't called panic() to stop them,
save their register information and do some cleanups for crash dumping.
However, if such a CPU is infinitely looping in NMI context, we fail to
save its register information into the crash dump.
For example, this can happen when unknown NMIs are broadcast to all
CPUs as follows:
CPU 0 CPU 1
=========================== ==========================
receive an unknown NMI
unknown_nmi_error()
panic() receive an unknown NMI
spin_trylock(&panic_lock) unknown_nmi_error()
crash_kexec() panic()
spin_trylock(&panic_lock)
panic_smp_self_stop()
infinite loop
kdump_nmi_shootdown_cpus()
issue NMI IPI -----------> blocked until IRET
infinite loop...
Here, since CPU 1 is in NMI context, the second NMI from CPU 0 is
blocked until CPU 1 executes IRET. However, CPU 1 never executes IRET,
so the NMI is not handled and the callback function to save registers is
never called.
In practice, this can happen on some servers which broadcast NMIs to all
CPUs when the NMI button is pushed.
To save registers in this case, we need to:
a) Return from NMI handler instead of looping infinitely
or
b) Call the callback function directly from the infinite loop
Inherently, a) is risky because NMI is also used to prevent corrupted
data from being propagated to devices. So, we chose b).
This patch does the following:
1. Move the infinite looping of CPUs which haven't called panic() in NMI
context (actually done by panic_smp_self_stop()) outside of panic() to
enable us to refer pt_regs. Please note that panic_smp_self_stop() is
still used for normal context.
2. Call a callback of kdump_nmi_shootdown_cpus() directly to save
registers and do some cleanups after setting waiting_for_crash_ipi which
is used for counting down the number of CPUs which handled the callback
Signed-off-by: Hidehiro Kawai <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Aaron Tomlin <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Dave Young <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Don Zickus <[email protected]>
Cc: Eric Biederman <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Gobinda Charan Maji <[email protected]>
Cc: HATAYAMA Daisuke <[email protected]>
Cc: Hidehiro Kawai <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Javi Merino <[email protected]>
Cc: Jiang Liu <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: lkml <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Nicolas Iooss <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Prarit Bhargava <[email protected]>
Cc: Rasmus Villemoes <[email protected]>
Cc: Seth Jennings <[email protected]>
Cc: Stefan Lippers-Hollmann <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ulrich Obergfell <[email protected]>
Cc: Vitaly Kuznetsov <[email protected]>
Cc: Vivek Goyal <[email protected]>
Cc: Yasuaki Ishimatsu <[email protected]>
Link: http://lkml.kernel.org/r/20151210014628.25437.75256.stgit@softrs
[ Cleanup comments, fixup formatting. ]
Signed-off-by: Borislav Petkov <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Commit 1717f20 ("panic, x86: Fix re-entrance problem due to panic on NMI") and commit 58c5661 ("panic, x86: Allow CPUs to save registers even if looping in NMI context") introduced nmi_panic() which prevents concurrent/recursive execution of panic(). It also saves registers for the crash dump on x86. However, there are some cases where NMI handlers still use panic(). This patch set partially replaces them with nmi_panic() in those cases. Even this patchset is applied, some NMI or similar handlers (e.g. MCE handler) continue to use panic(). This is because I can't test them well and actual problems won't happen. For example, the possibility that normal panic and panic on MCE happen simultaneously is very low. This patch (of 3): Convert nmi_panic() to a proper function and export it instead of exporting internal implementation details to modules, for obvious reasons. Signed-off-by: Hidehiro Kawai <[email protected]> Acked-by: Borislav Petkov <[email protected]> Acked-by: Michal Nazarewicz <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Rasmus Villemoes <[email protected]> Cc: Nicolas Iooss <[email protected]> Cc: Javi Merino <[email protected]> Cc: Gobinda Charan Maji <[email protected]> Cc: "Steven Rostedt (Red Hat)" <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vitaly Kuznetsov <[email protected]> Cc: HATAYAMA Daisuke <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
An oops with irqs off (panic() from irqsafe hrtimer like the watchdog timer) will lead to a lockdep warning on each invocation and as such never completes. Therefore we skip the trylock in the oops case. Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
This reverts commit f9b9ebddb16501de52ac6384b012148996fde77f. Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
VTIME_SLEEPING state happens either when: 1) The task is sleeping and no tickless delta is to be added on the task cputime stats. 2) The CPU isn't running vtime at all, so the same properties of 1) applies. Lets rename the vtime symbol to reflect both states. Signed-off-by: Frederic Weisbecker <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Hiroshi Shimamoto <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luiz Capitulino <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul E . McKenney <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
The cputime can only be updated by the current task itself, even in vtime case. So we can safely use seqcount instead of seqlock as there is no writer concurrency involved. [ bigeasy: safe since 6a61671 ("cputime: Safely read cputime of full dynticks CPUs") ] Signed-off-by: Frederic Weisbecker <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Hiroshi Shimamoto <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luiz Capitulino <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul E . McKenney <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
…kernel/git/rt/linux-rt-devel into ti-rt-linux-4.4.y TI-Feature: linux_rt-4-4 TI-Tree: http://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git TI-Branch: linux-4.4.y-rt * 'linux-4.4.y-rt' of http://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel: v4.4.7-rt16 sched/cputime: Convert vtime_seqlock to seqcount sched/cputime: Clarify vtime symbols and document them Revert "vtime: Split lock and seqcount" tty: serial: 8250: don't take the trylock during oops panic: change nmi_panic from macro to function panic, x86: Allow CPUs to save registers even if looping in NMI context panic, x86: Fix re-entrance problem due to panic on NMI v4.4.7-rt15 Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (137 commits) Linux 4.4.8 Revert "usb: hub: do not clear BOS field during reset device" usbvision: fix crash on detecting device with invalid configuration staging: android: ion: Set the length of the DMA sg entries in buffer Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()" Revert "PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed" Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled" HID: usbhid: fix inconsistent reset/resume/reset-resume behavior HID: wacom: fix Bamboo ONE oops ALSA: usb-audio: Skip volume controls triggers hangup on Dell USB Dock ALSA: usb-audio: Add a quirk for Plantronics BT300 ALSA: usb-audio: Add a sample rate quirk for Phoenix Audio TMX320 ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T460s ALSA: hda - fix front mic problem for a HP desktop ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2 ALSA: hda - Fixup speaker pass-through control for nid 0x14 on ALC225 mmc: sdhci-pci: Add support and PCI IDs for more Broxton host controllers perf: Cure event->pending_disable race perf: Do not double free arm64: replace read_lock to rcu lock in call_step_hook ... Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: regulator: core: remove lockdep assert from suspend_prepare ARM: configs: keystone: Add CPU Hotplug related options keystone: dts: add psci command definition PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs pinctrl: pinctrl-single: Fix pcs_parse_bits_in_pinctrl_entry to use __ffs than ffs ARM: dts: keystone-k2l: Add pinctrl node Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: tty: serial: 8250: omap: Switch to the new dmaengine_terminate_sync Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ti_config_fragments: add k2g-only fragment ARM: dts: dra7: Add ti,secure-ram node to ocmcram1 node ARM: dts: dra7: Add ocmcram nodes gpio: omap: fix irq triggering in smart-idle wakeup mode ARM: dts: AM57xx/DRA7: Update SoC voltage rail limits to match data sheet Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ti_config_fragments: Add lpae.cfg to SDK keystone release ti_config_fragments: Remove keystone support for SoC only configs ti_config_fragments: Change SDK release to multi_v7 Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: OMAP2+: hwmod: fix _idle() hwmod state sanity check sequence HACK: ARM: dts: AM4372: Add non-caching OCMC RAM node HACK: ARM: dts: AM33xx: Split OCMC RAM node to allow non-cached mapping pinctrl: Move am4372 and dra7 macros to the the SoC header files Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (22 commits) net: netcp: rearrange variable in struct for better cache line use phy: omap-usb2: fix abort exception net: netcp: ale: update to support unknown vlan controls for NU switch ARM: dts: am335x-icev2: Add ADC support ARM: dts: am335x-icev2: Add Industrial input support ARM: dts: am437x-idk: Add Industrial input support ARM: dts: am57xx-idk-common: Add dcan support ARM: dts: dra7: workaround silicon limitation i845 dt-bindings: phy: ti: add documentation for ti,dra7x-usb2 ARM: dts: am4372/dra7/omap5: Use "syscon-phy-power" instead of "ctrl-module" ARM: dts: dra7: Use "ti,dra7x-usb2-phy2" compatible string for USB2 PHY2 ARM: dts: dra7: Use "syscon-phy-power" and "syscon-pcs" in PCIe PHY node ARM: dts: dra7: Add dt node for the sycon pcie phy: omap-usb2: use *syscon* framework API to power on/off the PHY phy: omap-usb2: use omap_usb_power_off to power off the PHY during probe phy: ti-pipe3: use *syscon* framework API to set PCS value of the PHY phy: ti-pipe3: use *syscon* framework API to power on/off the PHY phy: ti-pipe3: use ti_pipe3_power_off to power off the PHY during probe phy: ti-pipe3: move mem resource initialization to a separate function phy: ti-pipe3: move sysctrl initialization to a separate function ... Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: (35 commits) PM / OPP: Rename structures for clarity PM / OPP: Fix incorrect comments PM / OPP: Initialize regulator pointer to an error value PM / OPP: Initialize u_volt_min/max to a valid value PM / OPP: Fix NULL pointer dereference crash when disabling OPPs cpufreq: dt: No need to allocate resources anymore cpufreq: dt: No need to fetch voltage-tolerance cpufreq: dt: Use dev_pm_opp_set_rate() to switch frequency cpufreq: dt: Reuse dev_pm_opp_get_max_transition_latency() cpufreq: dt: Unsupported OPPs are already disabled cpufreq: dt: Pass regulator name to the OPP core cpufreq: dt: OPP layers handles clock-latency for V1 bindings as well cpufreq: dt: Rename 'need_update' to 'opp_v1' cpufreq: dt: Convert few pr_debug/err() calls to dev_dbg/err() PM / OPP: Add dev_pm_opp_set_rate() PM / OPP: Manage device clk PM / OPP: Parse clock-latency and voltage-tolerance for v1 bindings PM / OPP: Introduce dev_pm_opp_get_max_transition_latency() PM / OPP: Introduce dev_pm_opp_get_max_volt_latency() PM / OPP: Disable OPPs that aren't supported by the regulator ... Signed-off-by: Texas Instruments Auto Merger <[email protected]>
…kernel into ti-rt-linux-4.4.y TI-Feature: ti_linux_base_rt TI-Tree: [email protected]:ti-linux-kernel/ti-linux-kernel.git TI-Branch: ti-linux-4.4.y * 'ti-linux-4.4.y' of git.ti.com:ti-linux-kernel/ti-linux-kernel: ARM: dts: DRA7: use new dra7-specific compatible string ARM: dts: am57xx-evm-reva3: enable higher speed MMC1/2 modes ARM: dts: am57xx-beagle-x15: disable HS200 mode for MMC1 ARM: dts: am57xx-beagle-x15: disable UHS modes for MMC1 ARM: dts: am57xx-beagle-x15: Add pinmux configuration for MMC2 ARM: dts: am57xx-beagle-x15: workaround errata i843 ARM: dts: am57xx-beagle-x15: Add pinmux configuration for MMC1 ARM: dts: keystone: enable all dma channels for NetCP net: netcp: use hw capability to remove FCS word from rx packets extcon: usb-gpio: switch to use pm wakeirq apis usb: dwc3: omap: drop dma_mask configuration usb: dwc3: keystone: drop dma_mask configuration net: netcp: ethss: get phy-handle only if link interface is MAC-to-PHY Signed-off-by: Texas Instruments Auto Merger <[email protected]>
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Closing, please re-submit, when cleaned up. Currently this triggers the auto-builder: http://rcn-ee.online:8080/job/beagleboard_kernel_builder/view/change-requests/job/PR-94/ Regards, |
crow-misia
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Dec 15, 2019
commit ad5996d upstream. Acquire kvm->srcu for the duration of ->set_nested_state() to fix a bug where nVMX derefences ->memslots without holding ->srcu or ->slots_lock. The other half of nested migration, ->get_nested_state(), does not need to acquire ->srcu as it is a purely a dump of internal KVM (and CPU) state to userspace. Detected as an RCU lockdep splat that is 100% reproducible by running KVM's state_test selftest with CONFIG_PROVE_LOCKING=y. Note that the failing function, kvm_is_visible_gfn(), is only checking the validity of a gfn, it's not actually accessing guest memory (which is more or less unsupported during vmx_set_nested_state() due to incorrect MMU state), i.e. vmx_set_nested_state() itself isn't fundamentally broken. In any case, setting nested state isn't a fast path so there's no reason to go out of our way to avoid taking ->srcu. ============================= WARNING: suspicious RCU usage 5.4.0-rc7+ beagleboard#94 Not tainted ----------------------------- include/linux/kvm_host.h:626 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by evmcs_test/10939: #0: ffff88826ffcb800 (&vcpu->mutex){+.+.}, at: kvm_vcpu_ioctl+0x85/0x630 [kvm] stack backtrace: CPU: 1 PID: 10939 Comm: evmcs_test Not tainted 5.4.0-rc7+ beagleboard#94 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 Call Trace: dump_stack+0x68/0x9b kvm_is_visible_gfn+0x179/0x180 [kvm] mmu_check_root+0x11/0x30 [kvm] fast_cr3_switch+0x40/0x120 [kvm] kvm_mmu_new_cr3+0x34/0x60 [kvm] nested_vmx_load_cr3+0xbd/0x1f0 [kvm_intel] nested_vmx_enter_non_root_mode+0xab8/0x1d60 [kvm_intel] vmx_set_nested_state+0x256/0x340 [kvm_intel] kvm_arch_vcpu_ioctl+0x491/0x11a0 [kvm] kvm_vcpu_ioctl+0xde/0x630 [kvm] do_vfs_ioctl+0xa2/0x6c0 ksys_ioctl+0x66/0x70 __x64_sys_ioctl+0x16/0x20 do_syscall_64+0x54/0x200 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59a2b95f47 Fixes: 8fcc4b5 ("kvm: nVMX: Introduce KVM_CAP_NESTED_STATE") Cc: [email protected] Signed-off-by: Sean Christopherson <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
RobertCNelson
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[ Upstream commit 62e69bc ] lmc set sc->lmc_media pointer when there is a matching device. However, when no matching device is found, this pointer is NULL and the following dereference will result in a null-ptr-deref. To fix this issue, unregister the hdlc device and return an error. [ 4.569359] BUG: KASAN: null-ptr-deref in lmc_init_one.cold+0x2b6/0x55d [lmc] [ 4.569748] Read of size 8 at addr 0000000000000008 by task modprobe/95 [ 4.570102] [ 4.570187] CPU: 0 PID: 95 Comm: modprobe Not tainted 5.11.0-rc7 #94 [ 4.570527] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-48-gd9c812dda519-preb4 [ 4.571125] Call Trace: [ 4.571261] dump_stack+0x7d/0xa3 [ 4.571445] kasan_report.cold+0x10c/0x10e [ 4.571667] ? lmc_init_one.cold+0x2b6/0x55d [lmc] [ 4.571932] lmc_init_one.cold+0x2b6/0x55d [lmc] [ 4.572186] ? lmc_mii_readreg+0xa0/0xa0 [lmc] [ 4.572432] local_pci_probe+0x6f/0xb0 [ 4.572639] pci_device_probe+0x171/0x240 [ 4.572857] ? pci_device_remove+0xe0/0xe0 [ 4.573080] ? kernfs_create_link+0xb6/0x110 [ 4.573315] ? sysfs_do_create_link_sd.isra.0+0x76/0xe0 [ 4.573598] really_probe+0x161/0x420 [ 4.573799] driver_probe_device+0x6d/0xd0 [ 4.574022] device_driver_attach+0x82/0x90 [ 4.574249] ? device_driver_attach+0x90/0x90 [ 4.574485] __driver_attach+0x60/0x100 [ 4.574694] ? device_driver_attach+0x90/0x90 [ 4.574931] bus_for_each_dev+0xe1/0x140 [ 4.575146] ? subsys_dev_iter_exit+0x10/0x10 [ 4.575387] ? klist_node_init+0x61/0x80 [ 4.575602] bus_add_driver+0x254/0x2a0 [ 4.575812] driver_register+0xd3/0x150 [ 4.576021] ? 0xffffffffc0018000 [ 4.576202] do_one_initcall+0x84/0x250 [ 4.576411] ? trace_event_raw_event_initcall_finish+0x150/0x150 [ 4.576733] ? unpoison_range+0xf/0x30 [ 4.576938] ? ____kasan_kmalloc.constprop.0+0x84/0xa0 [ 4.577219] ? unpoison_range+0xf/0x30 [ 4.577423] ? unpoison_range+0xf/0x30 [ 4.577628] do_init_module+0xf8/0x350 [ 4.577833] load_module+0x3fe6/0x4340 [ 4.578038] ? vm_unmap_ram+0x1d0/0x1d0 [ 4.578247] ? ____kasan_kmalloc.constprop.0+0x84/0xa0 [ 4.578526] ? module_frob_arch_sections+0x20/0x20 [ 4.578787] ? __do_sys_finit_module+0x108/0x170 [ 4.579037] __do_sys_finit_module+0x108/0x170 [ 4.579278] ? __ia32_sys_init_module+0x40/0x40 [ 4.579523] ? file_open_root+0x200/0x200 [ 4.579742] ? do_sys_open+0x85/0xe0 [ 4.579938] ? filp_open+0x50/0x50 [ 4.580125] ? exit_to_user_mode_prepare+0xfc/0x130 [ 4.580390] do_syscall_64+0x33/0x40 [ 4.580586] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 4.580859] RIP: 0033:0x7f1a724c3cf7 [ 4.581054] Code: 48 89 57 30 48 8b 04 24 48 89 47 38 e9 1d a0 02 00 48 89 f8 48 89 f7 48 89 d6 48 891 [ 4.582043] RSP: 002b:00007fff44941c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 4.582447] RAX: ffffffffffffffda RBX: 00000000012ada70 RCX: 00007f1a724c3cf7 [ 4.582827] RDX: 0000000000000000 RSI: 00000000012ac9e0 RDI: 0000000000000003 [ 4.583207] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001 [ 4.583587] R10: 00007f1a72527300 R11: 0000000000000246 R12: 00000000012ac9e0 [ 4.583968] R13: 0000000000000000 R14: 00000000012acc90 R15: 0000000000000001 [ 4.584349] ================================================================== Signed-off-by: Tong Zhang <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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patchset made by jic23 for slave support for inv_mpu6050 device.