Re: [PATCH] Fix cpu iterator on empty bitmask

[William Lee Irwin III]

On Wed, Apr 28, 2004 at 09:52:53AM +1000, Rusty Russell wrote:
> Name: Fix cpumask iterator over empty cpu set
> Status: Trivial
> Can't use _ffs() without first checking for zero, and if bits beyond
> NR_CPUS set it'll give bogus results.  Use find_first_bit

I sent in something equivalent to this along with a number of other
fixes (cpus_shift_right() leaking junk bits in in and cpus_weight()
and cpus_empty() and cpus_equal() and the like not ignoring tails) and
got a NAK since it clashes with something Paul Jackson's doing.


-- wli
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