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authorWill Deacon <will.deacon@arm.com>2018-12-10 14:21:13 +0000
committerWill Deacon <will.deacon@arm.com>2018-12-10 18:42:18 +0000
commit66f16a24512fa44680504effe908df8326885594 (patch)
tree9f56153b17ba2f9d443052654a8919f3c68009fb /arch/arm64/kvm
parent68d23da4373aba76f5300017c4746440f276698e (diff)
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arm64: smp: Rework early feature mismatched detection
Rather than add additional variables to detect specific early feature mismatches with secondary CPUs, we can instead dedicate the upper bits of the CPU boot status word to flag specific mismatches. This allows us to communicate both granule and VA-size mismatches back to the primary CPU without the need for additional book-keeping. Tested-by: Steve Capper <steve.capper@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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