Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 10/20] hpfs: replace BKL with a global mutex | Date | Tue, 25 Jan 2011 16:15:51 -0800 |
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Arnd Bergmann <arnd@arndb.de> writes:
> This removes the BKL in hpfs in a rather awful > way, by replacing it with a mutex that basically > serializes the entire file system.
I don't think that's a very good idea, there's danger of holding it over IO and that would be really bad (as in like MINIX[1])
It would be better to do it the i810 way and check for the number of CPUs at module init time and refuse to run if it's > 1
-Andi
[1] showing my age -- Andi Kleen Intel Open Source Technology Center
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