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64b2f02571
Unbinding and rebinding the ARM PMU driver via sysfs leads to a warning followed by more errors: WARNING: CPU: 0 PID: 217 at kernel/irq/chip.c:1034 irq_modify_status+0x150/0x16c .. genirq: Flags mismatch irq 19. 00010c04 (arm-pmu) vs. 00010c04 (arm-pmu) hw perfevents: unable to request IRQ19 for ARM PMU counters hw perfevents: /pmu: failed to register PMU devices! armv7-pmu: probe of pmu failed with error -16 The driver is clearly not designed to be removed. Disable bind/ unbind for this driver. Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Will Deacon <will.deacon@arm.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.