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authorVladimir Murzin <vladimir.murzin@arm.com>2019-02-20 11:43:05 +0000
committerWill Deacon <will.deacon@arm.com>2019-02-20 14:05:37 +0000
commit74698f6971f25d045301139413578865fc2bd8f9 (patch)
treec7746935f5718abdf8ff17f15647e0d8207d3107 /fs/stack.c
parent0738c8b5915c7eaf1e6007b441008e8f3b460443 (diff)
arm64: Relax GIC version check during early boot
Updates to the GIC architecture allow ID_AA64PFR0_EL1.GIC to have values other than 0 or 1. At the moment, Linux is quite strict in the way it handles this field at early boot stage (cpufeature is fine) and will refuse to use the system register CPU interface if it doesn't find the value 1. Fixes: 021f653791ad17e03f98aaa7fb933816ae16f161 ("irqchip: gic-v3: Initial support for GICv3") Reported-by: Chase Conklin <Chase.Conklin@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'fs/stack.c')
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