Date: Thu, 30 Oct 1997 22:11:24 +1030 From: Mike Smith <mike@smith.net.au> To: proff@iq.org Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: kernel spinlocks, splbio(), MUTEX etc Message-ID: <199710301141.WAA00594@word.smith.net.au> In-Reply-To: Your message of "30 Oct 1997 06:16:07 -0000." <19971030061607.18190.qmail@iq.org>
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> > I have a possible access contention between two peices of code, > one hanging off a timeout() interrupt and the other called via > the VFS sub-system. I don't want to lock the object they are > accessing by using splbio() as both bits of code use around > 32k instructions. > > ideas? Can you defer one or both of the fragments? The only real alternatives are to redesign your code to reduce the size of the critical region(s), and that's not always easy... mike
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