From: Will Deacon will.deacon@arm.com
In order to invoke the CPU capability ->matches callback from the ->enable callback for applying local-CPU workarounds, we need a handle on the capability structure.
This patch passes a pointer to the capability structure to the ->enable callback.
Reviewed-by: Suzuki K Poulose suzuki.poulose@arm.com Signed-off-by: Will Deacon will.deacon@arm.com (cherry picked from commit e3af87ceae9e5bcda2e8cdbccbe517a442994bba) Signed-off-by: Alex Shi alex.shi@linaro.org
Conflicts: arch/arm64/kernel/cpufeature.c --- arch/arm64/kernel/cpufeature.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 74b168c..2bf7e03 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -990,7 +990,7 @@ void __init enable_cpu_capabilities(const struct arm64_cpu_capabilities *caps) * uses an IPI, giving us a PSTATE that disappears when * we return. */ - stop_machine(caps->enable, NULL, cpu_online_mask); + stop_machine(caps->enable, (void *)caps, cpu_online_mask); }
/* @@ -1046,7 +1046,7 @@ verify_local_cpu_features(const struct arm64_cpu_capabilities *caps) cpu_die_early(); } if (caps->enable) - caps->enable(NULL); + caps->enable((void *)caps); } }