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Arnd Bergmann 613655fa39 drivers: autoconvert trivial BKL users to private mutex ... All these files use the big kernel lock in a trivial way to serialize their private file operations, typically resulting from an earlier semi-automatic pushdown from VFS. None of these drivers appears to want to lock against other code, and they all use the BKL as the top-level lock in their file operations, meaning that there is no lock-order inversion problem. Consequently, we can remove the BKL completely, replacing it with a per-file mutex in every case. Using a scripted approach means we can avoid typos. These drivers do not seem to be under active maintainance from my brief investigation. Apologies to those maintainers that I have missed. file=$1 name=$2 if grep -q lock_kernel ${file} ; then if grep -q 'include.*linux.mutex.h' ${file} ; then sed -i '/include.*<linux\/smp_lock.h>/d' ${file} else sed -i 's/include.*<linux\/smp_lock.h>.*$/include <linux\/mutex.h>/g' ${file} fi sed -i ${file} \ -e "/^#include.*linux.mutex.h/,$ { 1,/^\(static\|int\|long\)/ { /^\(static\|int\|long\)/istatic DEFINE_MUTEX(${name}_mutex); } }" \ -e "s/\(un\)*lock_kernel\>[ ]*()/mutex_\1lock(\&${name}_mutex)/g" \ -e '/[ ]*cycle_kernel_lock();/d' else sed -i -e '/include.*\<smp_lock.h\>/d' ${file} \ -e '/cycle_kernel_lock()/d' fi Signed-off-by: Arnd Bergmann <arnd@arndb.de>		15 years ago
..
Kconfig	sparc: Kill sbus mostek RTC driver.	17 years ago
Makefile	sparc: Kill sbus mostek RTC driver.	17 years ago
bbc_envctrl.c	of/device: Replace struct of_device with struct platform_device	15 years ago
bbc_i2c.c	of/device: Replace struct of_device with struct platform_device	15 years ago
bbc_i2c.h	of/device: Replace struct of_device with struct platform_device	15 years ago
display7seg.c	of/device: Replace struct of_device with struct platform_device	15 years ago
envctrl.c	of/device: Replace struct of_device with struct platform_device	15 years ago
flash.c	of/device: Replace struct of_device with struct platform_device	15 years ago
jsflash.c	drivers: autoconvert trivial BKL users to private mutex	15 years ago
max1617.h	…
openprom.c	sbus: autoconvert trivial BKL users to private mutex	15 years ago
uctrl.c	of/device: Replace struct of_device with struct platform_device	15 years ago