The cpupower package consists of the following elements: requirements ------------ On x86 pciutils is needed at runtime (-lpci). For compilation pciutils-devel (pci/pci.h) and a gcc version providing cpuid.h is needed. For both it's not explicitly checked for (yet). libcpupower ---------- "libcpupower" is a library which offers a unified access method for userspace tools and programs to the cpufreq core and drivers in the Linux kernel. This allows for code reduction in userspace tools, a clean implementation of the interaction to the cpufreq core, and support for both the sysfs and proc interfaces [depending on configuration, see below]. compilation and installation ---------------------------- make su make install should suffice on most systems. It builds libcpupower to put in /usr/lib; cpupower, cpufreq-bench_plot.sh to put in /usr/bin; and cpufreq-bench to put in /usr/sbin. If you want to set up the paths differently and/or want to configure the package to your specific needs, you need to open "Makefile" with an editor of your choice and edit the block marked CONFIGURATION. THANKS ------ Many thanks to Mattia Dongili who wrote the autotoolization and libtoolization, the manpages and the italian language file for cpupower; to Dave Jones for his feedback and his dump_psb tool; to Bruno Ducrot for his powernow-k8-decode and intel_gsic tools as well as the french language file; and to various others commenting on the previous (pre-)releases of cpupower. Dominik Brodowski >
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /drivers/usb/Kconfig
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/usb/Kconfig')