This series makes sure that we handle the CTR_EL0 field mismatches properly, especially for the IDC field. Also, skip trapping CTR accesses on a CPU if it matches the safe value.
Applies on arm64 for-next/core Suzuki K Poulose (3): arm64: cpufeature: ctr: Fix cpu capability check for late CPUs arm64: cpufeature: Fix handling of CTR_EL0.IDC field arm64: cpufeature: Trap CTR_EL0 access only where it is necessary arch/arm64/include/asm/cache.h | 40 ++++++++++++++++++++++++++++++++++ arch/arm64/kernel/cpu_errata.c | 17 ++++++++++++--- arch/arm64/kernel/cpufeature.c | 35 +++++++++++++++++++++++++---- arch/arm64/kernel/cpuinfo.c | 10 ++++++++- 4 files changed, 94 insertions(+), 8 deletions(-) -- 2.19.0
