Eric W. Biederman wrote:
> Cedric Le Goater <[email protected]> writes:
>
>> message queues can signal a process waiting for a message.
>>
>> this patch replaces the pid_t value with a struct pid to avoid pid wrap
>> around problems.
>>
>> Signed-off-by: Cedric Le Goater <[email protected]>
>> Cc: Eric Biederman <[email protected]>
>> Cc: Andrew Morton <[email protected]>
>> Cc: [email protected]
>
> Signed-off-by: Eric Biederman <[email protected]>
>
> I was just about to send out this patch in a couple more hours.
Well, you did the same with the usb/devio.c and friends :)
> So expect the fact we wrote the same code is a good sign :)
How does oleg feel about it ? I've seen some long thread on possible race
conditions with put_pid() and solutions with rcu. I didn't quite get all of
it ... it will need another run for me.
On the "pid_t to struct pid*" topic:
* I started smbfs and realized it was useless.
* in the following, the init process is being killed directly using 1. I'm
not sure how useful it would be to use a struct pid. To begin with, may be
they could use a :
kill_init(int signum, int priv)
./arch/mips/sgi-ip32/ip32-reset.c
./arch/powerpc/platforms/iseries/mf.c
./drivers/parisc/power.c
./drivers/char/snsc_event.c
./kernel/sys.c
./kernel/sysctl.c
./drivers/char/nwbutton.c
./drivers/s390/s390mach.c
* some more drivers,
* some more kthread to convert
C.
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