- 07 Apr, 2017 9 commits
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Linus Walleij authored
It turns out that the Cortina Gemini timer block is just a standard IP block from Faraday Technology named FTTMR010. In order to make things clear and understandable, we rename the bindings with a Faraday compatible as primary and the Cortina gemini as a more specific case. For the plain Faraday timer we require two clock references, while the Gemini can keep it's syscon lookup pattern. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Rob Herring <robh@kernel.org>
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Alexander Kochetkov authored
The clocksource and the sched_clock provided by the arm_global_timer are quite unstable because their rates depend on the cpu frequency. On the other side, the arm_global_timer has a higher rating than the rockchip_timer, it will be selected by default by the time framework while we want to use the stable rockchip clocksource. Let's disable the arm_global_timer in order to have the rockchip clocksource selected by default. Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
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Alexander Kochetkov authored
The patch add two timers to all rk3188 based boards. The first timer is from alive subsystem and it act as a backup for the local timers at sleep time. It act the same as other SoC rockchip timers already present in kernel. The second timer is from CPU subsystem and act as replacement for the arm-global-timer clocksource and sched clock. It run at stable frequency 24MHz. Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de>
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Alexander Kochetkov authored
The clock supplying the arm-global-timer on the rk3188 is coming from the the cpu clock itself and thus changes its rate everytime cpufreq adjusts the cpu frequency making this timer unsuitable as a stable clocksource and sched clock. The rk3188, rk3288 and following socs share a separate timer block already handled by the rockchip-timer driver. Therefore adapt this driver to also be able to act as clocksource and sched clock on rk3188. In order to test clocksource you can run following commands and check how much time it take in real. On rk3188 it take about ~45 seconds. cpufreq-set -f 1.6GHZ date; sleep 60; date In order to use the patch you need to declare two timers in the dts file. The first timer will be initialized as clockevent provider and the second one as clocksource. The clockevent must be from alive subsystem as it used as backup for the local timers at sleep time. The patch does not break compatibility with older device tree files. The older device tree files contain only one timer. The timer will be initialized as clockevent, as expected. rk3288 (and probably anything newer) is irrelevant to this patch, as it has the arch timer interface. This patch may be useful for Cortex-A9/A5 based parts. Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Alexander Kochetkov authored
Property set to '"rockchip,rk3228-timer", "rockchip,rk3288-timer"' to match devicetree bindings. Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> Suggested-by: Heiko Stübner <heiko@sntech.de> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Alexander Kochetkov authored
Make all properties description in form '"rockchip,<chip>-timer", "rockchip,rk3288-timer"' for all chips found in linux kernel. Suggested-by: Heiko Stübner <heiko@sntech.de> Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Rafał Miłecki authored
Printing with pr_* functions requires adding line break manually. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Russell King authored
Add an implementation for the ARM delay timer, which is used for udelay(). This provides less CPU dependent and more accurate delays - the CPU loop on Marvell Dove appears to calibrate to around 6% too short. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Russell King authored
Rather than reading the clock rate three times, read it once - we are about to add a fourth usage. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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- 31 Mar, 2017 2 commits
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Nicholas Mc Guire authored
interp_forward is type bool so assignment from a logical operation directly is sufficient. Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at> Cc: "Christopher S. Hall" <christopher.s.hall@intel.com> Cc: John Stultz <john.stultz@linaro.org> Link: http://lkml.kernel.org/r/1490382215-30505-1-git-send-email-der.herr@hofr.atSigned-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner authored
Merge branch 'fortglx/4.12/time' of https://git.linaro.org/people/john.stultz/linux into timers/core Pull timekeeping changes from John Stultz: Main changes are the initial steps of Nicoli's work to make the clockevent timers be corrected for NTP adjustments. Then a few smaller fixes that I've queued, and adding Stephen Boyd to the maintainers list for timekeeping.
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- 23 Mar, 2017 9 commits
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Tom Hromatka authored
On systems with a large number of CPUs, running sysrq-<q> can cause watchdog timeouts. There are two slow sections of code in the sysrq-<q> path in timer_list.c. 1. print_active_timers() - This function is called by print_cpu() and contains a slow goto loop. On a machine with hundreds of CPUs, this loop took approximately 100ms for the first CPU in a NUMA node. (Subsequent CPUs in the same node ran much quicker.) The total time to print all of the CPUs is ultimately long enough to trigger the soft lockup watchdog. 2. print_tickdevice() - This function outputs a large amount of textual information. This function also took approximately 100ms per CPU. Since sysrq-<q> is not a performance critical path, there should be no harm in touching the nmi watchdog in both slow sections above. Touching it in just one location was insufficient on systems with hundreds of CPUs as occasional timeouts were still observed during testing. This issue was observed on an Oracle T7 machine with 128 CPUs, but I anticipate it may affect other systems with similarly large numbers of CPUs. Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com> Reviewed-by: Rob Gardner <rob.gardner@oracle.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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David Engraf authored
The scheduler clock framework may not use the correct timeout for the clock wrap. This happens when a new clock driver calls sched_clock_register() after the kernel called sched_clock_postinit(). In this case the clock wrap timeout is too long thus sched_clock_poll() is called too late and the clock already wrapped. On my ARM system the scheduler was no longer scheduling any other task than the idle task because the sched_clock() wrapped. Signed-off-by: David Engraf <david.engraf@sysgo.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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John Stultz authored
After showing expertise and presenting on the timekeeping subsystem at ELC[1], Stephen clearly should be included in the maintainer list. [1] https://www.youtube.com/watch?v=Puv4mW55bF8Acked-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
A clockevent device's rate should be configured before or at registration and changed afterwards through clockevents_update_freq() only. For the configuration at registration, we already have clockevents_config_and_register(). Right now, there are no clockevents_config() users outside of the clockevents core. To mitigiate the risk of drivers errorneously reconfiguring their rates through clockevents_config() *after* device registration, make clockevents_config() static. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
With the upcoming NTP correction related rate adjustments to be implemented in the clockevents core, the latter needs to get informed about every rate change of a clockevent device made after its registration. Currently, h8300_timer8 violates this requirement in that it registers its clockevent device with the correct rate, but resets its ->mult and ->rate values in timer8_clock_event_start(), called from its ->set_state_oneshot() function. It seems like commit 4633f4ca ("clocksource/drivers/h8300: Cleanup startup and remove module code."), which introduced the rate initialization at registration, missed to remove the manual setting of ->mult and ->shift from timer8_clock_event_start(). Purge the setting of ->mult, ->shift, ->min_delta_ns and ->max_delta_ns from timer8_clock_event_start(). Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
With the upcoming NTP correction related rate adjustments to be implemented in the clockevents core, the latter needs to get informed about every rate change of a clockevent device made after its registration. Currently, em_sti violates this requirement in that it registers its clockevent device with a dummy rate and sets its final rate through clockevents_config() called from its ->set_state_oneshot(). This patch moves the setting of the clockevent device's rate to its registration. I checked all current em_sti users in arch/arm/mach-shmobile and right now, none of them changes any rate in any clock tree relevant to em_sti after their respective time_init(). Since all em_sti instances are created after time_init(), none of them should ever observe any clock rate changes. - Determine the ->rate value in em_sti_probe() at device probing rather than at first usage. - Set the clockevent device's rate at its registration. - Although not strictly necessary for the upcoming clockevent core changes, set the clocksource's rate at its registration for consistency. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
Currently, the em_sti driver prepares and enables the needed clock in em_sti_enable(), potentially called through its clockevent device's ->set_state_oneshot(). However, the clk_prepare() step may sleep whereas tick_program_event() and thus, ->set_state_oneshot(), can be called in atomic context. Split the clk_prepare_enable() in em_sti_enable() into two steps: - prepare the clock at device probing via clk_prepare() - and enable it in em_sti_enable() via clk_enable(). Slightly reorder resource initialization in em_sti_probe() in order to facilitate error handling in later patches. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
With the upcoming NTP correction related rate adjustments to be implemented in the clockevents core, the latter needs to get informed about every rate change of a clockevent device made after its registration. Currently, sh_tmu violates this requirement in that it registers its clockevent device with a dummy rate and sets its final rate through clockevents_config() called from its ->set_state_oneshot() and ->set_state_periodic() functions respectively. This patch moves the setting of the clockevent device's rate to its registration. Note that there has been some back and forth regarding this question with respect to the clocksource also provided by this driver: commit 66f49121 ("clocksource: sh_tmu: compute mult and shift before registration") moves the rate determination from the clocksource's ->enable() function to before its registration. OTOH, the later commit 0aeac458 ("clocksource: sh_tmu: __clocksource_updatefreq_hz() update") basically reverts this, saying "Without this patch the old code uses clocksource_register() together with a hack that assumes a never changing clock rate." However, I checked all current sh_tmu users in arch/sh as well as in arch/arm/mach-shmobile carefully and right now, none of them changes any rate in any clock tree relevant to sh_tmu after their respective time_init(). Since all sh_tmu instances are created after time_init(), none of them should ever observe any clock rate changes. What's more, both, a clocksource as well as a clockevent device, can immediately get selected for use at their registration and thus, enabled at this point already. So it's probably safer to assume a "never changing clock rate" here. - Move the struct sh_tmu_channel's ->rate member to struct sh_tmu_device: it's a property of the underlying clock which is in turn specific to the sh_tmu_device. - Determine the ->rate value in sh_tmu_setup() at device probing rather than at first usage. - Set the clockevent device's rate at its registration. - Although not strictly necessary for the upcoming clockevent core changes, set the clocksource's rate at its registration for consistency. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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Nicolai Stange authored
With the upcoming NTP correction related rate adjustments to be implemented in the clockevents core, the latter needs to get informed about every rate change of a clockevent device made after its registration. Currently, sh_cmt violates this requirement in that it registers its clockevent device with a dummy rate and sets its final ->mult and ->shift values from its ->set_state_oneshot() and ->set_state_periodic() functions respectively. This patch moves the setting of the clockevent device's ->mult and ->shift values to before its registration. Note that there has been some back and forth regarding this question with respect to the clocksource also provided by this driver: commit f4d7c356 ("clocksource: sh_cmt: compute mult and shift before registration") moves the rate determination from the clocksource's ->enable() function to before its registration. OTOH, the later commit 3593f5fe ("clocksource: sh_cmt: __clocksource_updatefreq_hz() update") basically reverts this, saying "Without this patch the old code uses clocksource_register() together with a hack that assumes a never changing clock rate." However, I checked all current sh_cmt users in arch/sh as well as in arch/arm/mach-shmobile carefully and right now, none of them changes any rate in any clock tree relevant to sh_cmt after their respective time_init(). Since all sh_cmt instances are created after time_init(), none of them should ever observe any clock rate changes. What's more, both, a clocksource as well as a clockevent device, can immediately get selected for use at their registration and thus, enabled at this point already. So it's probably safer to assume a "never changing clock rate" here. - Move the struct sh_cmt_channel's ->rate member to struct sh_cmt_device: it's a property of the underlying clock which is in turn specific to the sh_cmt_device. - Determine the ->rate value in sh_cmt_setup() at device probing rather than at first usage. - Set the clockevent device's ->mult and ->shift values right before its registration. - Although not strictly necessary for the upcoming clockevent core changes, set the clocksource's rate at its registration for consistency. Signed-off-by: Nicolai Stange <nicstange@gmail.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
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- 20 Mar, 2017 5 commits
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Linus Torvalds authored
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Linus Torvalds authored
This BUG_ON() triggered for me once at shutdown, and I don't see a reason for the check. The code correctly checks whether the swap slot cache is usable or not, so an uninitialized swap slot cache is not actually problematic afaik. I've temporarily just switched the BUG_ON() to a WARN_ON_ONCE(), since I'm not sure why that seemingly pointless check was there. I suspect the real fix is to just remove it entirely, but for now we'll warn about it but not bring the machine down. Cc: "Huang, Ying" <ying.huang@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull more powerpc fixes from Michael Ellerman: "A couple of minor powerpc fixes for 4.11: - wire up statx() syscall - don't print a warning on memory hotplug when HPT resizing isn't available Thanks to: David Gibson, Chandan Rajendra" * tag 'powerpc-4.11-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries: Don't give a warning when HPT resizing isn't available powerpc: Wire up statx() syscall
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc fixes from Helge Deller: - Mikulas Patocka added support for R_PARISC_SECREL32 relocations in modules with CONFIG_MODVERSIONS. - Dave Anglin optimized the cache flushing for vmap ranges. - Arvind Yadav provided a fix for a potential NULL pointer dereference in the parisc perf code (and some code cleanups). - I wired up the new statx system call, fixed some compiler warnings with the access_ok() macro and fixed shutdown code to really halt a system at shutdown instead of crashing & rebooting. * 'parisc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Fix system shutdown halt parisc: perf: Fix potential NULL pointer dereference parisc: Avoid compiler warnings with access_ok() parisc: Wire up statx system call parisc: Optimize flush_kernel_vmap_range and invalidate_kernel_vmap_range parisc: support R_PARISC_SECREL32 relocation in modules
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds authored
Pull SCSI target fixes from Nicholas Bellinger: "The bulk of the changes are in qla2xxx target driver code to address various issues found during Cavium/QLogic's internal testing (stable CC's included), along with a few other stability and smaller miscellaneous improvements. There are also a couple of different patch sets from Mike Christie, which have been a result of his work to use target-core ALUA logic together with tcm-user backend driver. Finally, a patch to address some long standing issues with pass-through SCSI export of TYPE_TAPE + TYPE_MEDIUM_CHANGER devices, which will make folks using physical (or virtual) magnetic tape happy" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (28 commits) qla2xxx: Update driver version to 9.00.00.00-k qla2xxx: Fix delayed response to command for loop mode/direct connect. qla2xxx: Change scsi host lookup method. qla2xxx: Add DebugFS node to display Port Database qla2xxx: Use IOCB interface to submit non-critical MBX. qla2xxx: Add async new target notification qla2xxx: Export DIF stats via debugfs qla2xxx: Improve T10-DIF/PI handling in driver. qla2xxx: Allow relogin to proceed if remote login did not finish qla2xxx: Fix sess_lock & hardware_lock lock order problem. qla2xxx: Fix inadequate lock protection for ABTS. qla2xxx: Fix request queue corruption. qla2xxx: Fix memory leak for abts processing qla2xxx: Allow vref count to timeout on vport delete. tcmu: Convert cmd_time_out into backend device attribute tcmu: make cmd timeout configurable tcmu: add helper to check if dev was configured target: fix race during implicit transition work flushes target: allow userspace to set state to transitioning target: fix ALUA transition timeout handling ...
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- 19 Mar, 2017 15 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimmLinus Torvalds authored
Pull device-dax fixes from Dan Williams: "The device-dax driver was not being careful to handle falling back to smaller fault-granularity sizes. The driver already fails fault attempts that are smaller than the device's alignment, but it also needs to handle the cases where a larger page mapping could be established. For simplicity of the immediate fix the implementation just signals VM_FAULT_FALLBACK until fault-size == device-alignment. One fix is for -stable to address pmd-to-pte fallback from the original implementation, another fix is for the new (introduced in 4.11-rc1) pud-to-pmd regression, and a typo fix comes along for the ride. These have received a build success notification from the kbuild robot" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: device-dax: fix debug output typo device-dax: fix pud fault fallback handling device-dax: fix pmd/pte fault fallback handling
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Himanshu Madhani authored
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
Current driver wait for FW to be in the ready state before processing in-coming commands. For Arbitrated Loop or Point-to- Point (not switch), FW Ready state can take a while. FW will transition to ready state after all Nports have been logged in. In the mean time, certain initiators have completed the login and starts IO. Driver needs to start processing all queues if FW is already started. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
For target mode, when new scsi command arrive, driver first performs a look up of the SCSI Host. The current look up method is based on the ALPA portion of the NPort ID. For Cisco switch, the ALPA can not be used as the index. Instead, the new search method is based on the full value of the Nport_ID via btree lib. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Himanshu Madhani authored
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
The Mailbox interface is currently over subscribed. We like to reserve the Mailbox interface for the chip managment and link initialization. Any non essential Mailbox command will be routed through the IOCB interface. The IOCB interface is able to absorb more commands. Following commands are being routed through IOCB interface - Get ID List (007Ch) - Get Port DB (0064h) - Get Link Priv Stats (006Dh) Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Anil Gurumurthy authored
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
Add routines to support T10 DIF tag. Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
If the remote port have started the login process, then the PLOGI and PRLI should be back to back. Driver will allow the remote port to complete the process. For the case where the remote port decide to back off from sending PRLI, this local port sets an expiration timer for the PRLI. Once the expiration time passes, the relogin retry logic is allowed to go through and perform login with the remote port. Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
The main lock that needs to be held for CMD or TMR submission to upper layer is the sess_lock. The sess_lock is used to serialize cmd submission and session deletion. The addition of hardware_lock being held is not necessary. This patch removes hardware_lock dependency from CMD/TMR submission. Use hardware_lock only for error response in this case. Path1 CPU0 CPU1 ---- ---- lock(&(&ha->tgt.sess_lock)->rlock); lock(&(&ha->hardware_lock)->rlock); lock(&(&ha->tgt.sess_lock)->rlock); lock(&(&ha->hardware_lock)->rlock); Path2/deadlock *** DEADLOCK *** Call Trace: dump_stack+0x85/0xc2 print_circular_bug+0x1e3/0x250 __lock_acquire+0x1425/0x1620 lock_acquire+0xbf/0x210 _raw_spin_lock_irqsave+0x53/0x70 qlt_sess_work_fn+0x21d/0x480 [qla2xxx] process_one_work+0x1f4/0x6e0 Cc: <stable@vger.kernel.org> Cc: Bart Van Assche <Bart.VanAssche@sandisk.com> Reported-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
Normally, ABTS is sent to Target Core as Task MGMT command. In the case of error, qla2xxx needs to send response, hardware_lock is required to prevent request queue corruption. Cc: <stable@vger.kernel.org> Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
When FW notify driver or driver detects low FW resource, driver tries to send out Busy SCSI Status to tell Initiator side to back off. During the send process, the lock was not held. Cc: <stable@vger.kernel.org> Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Quinn Tran authored
Cc: <stable@vger.kernel.org> Signed-off-by: Quinn Tran <quinn.tran@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Joe Carnuccio authored
Cc: <stable@vger.kernel.org> Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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