On Monday 12 July 2010 22:38:25 Takashi Iwai wrote:
> Now the rest is eliminating each lock_kernel() in sound/oss/*.c :)
For other files, I've used a script (see below) to do this, it probably
works with the OSS files as well, although I have not tried yet.
Of course, another option for OSS device drivers would be to
remove the entire driver ;). Either way, my feeling is that the
OSS drivers are not stopping anyone from building a kernel without
CONFIG_BKL once we have introduced that symbol and made the drivers
depend on it.
Arnd
---
#!/bin/bash
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
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