"David E. Cross" <[email protected]> writes:
> Looking through the exception.s it appears that on entry to the
> kernel an MP lock is obtained... I thought we had splX(); to
> protect concurancy in the kernel.
Can someone explain to me why is SYSCALL_LOCK necessary ? It certainly
seems to hurt system call performance on a MP machine.
Also, is there any data on lock contention in FreeBSD ? Is anyone
working on decomposing some of the giant locks ?
-Arun
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