cvs commit: src/sys/sys proc.h src/sys/kern kern_sig.c

[John Baldwin]

On Friday 04 March 2005 05:46 pm, David Xu wrote:
> davidxu     2005-03-04 22:46:31 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/sys              proc.h
>     sys/kern             kern_sig.c
>   Log:
>   The td_waitset is pointing to a stack address when thread is waiting
>   for a signal, because kernel stack is swappable, this causes page fault
>   in kernel under heavy swapping case. Fix this bug by eliminating unneeded
>   code.

Did you consider simply embedding a complete sigset_t as td_waitset in struct 
thread instead?  Signal sets aren't very large.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org