On Tue, Jan 09, 2018 at 04:12:18PM +0000, Suzuki K. Poulose wrote: > arm64: capabilities: Handle duplicate entries for a capability > > Sometimes a single capability could be listed multiple times with > differing matches(), e.g, CPU errata for different MIDR versions. > This breaks verify_local_cpu_feature() and this_cpu_has_cap() as > we stop checking for a capability on a CPU with the first > entry in the given table, which is not sufficient. Make sure we > run the checks for all entries of the same capability. We do > this by fixing __this_cpu_has_cap() to run through all the > entries in the given table for a match and reuse it for > verify_local_cpu_feature(). > > Cc: Mark Rutland <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Marc Zyngier <[email protected]> > Signed-off-by: Suzuki K Poulose <[email protected]> > --- > arch/arm64/kernel/cpufeature.c | 44 > ++++++++++++++++++++++-------------------- > 1 file changed, 23 insertions(+), 21 deletions(-)
Applied. Thanks. -- Catalin
