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[Xen-devel] [PATCH 0/2] fls() / ffs() adjustments

1: make fls() and ffs() consistent across architectures
2: arm64: fix fls()

ARM maintainers: If you desire so, I'm fine with patch 2 being replaced
by anything you like better (e.g. as Ian C mentioned, compiler builtins),
just don't rely on me doing so.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

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