• Nicholas Piggin's avatar
    powerpc: Change the doorbell IPI calling convention · b866cc21
    Nicholas Piggin authored
    Change the doorbell callers to know about their msgsnd addressing,
    rather than have them set a per-cpu target data tag at boot that gets
    sent to the cause_ipi functions. The data is only used for doorbell IPI
    functions, no other IPI types, so it makes sense to keep that detail
    local to doorbell.
    
    Have the platform code understand doorbell IPIs, rather than the
    interrupt controller code understand them. Platform code can look at
    capabilities it has available and decide which to use.
    Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
    Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
    b866cc21
xics.h 4.27 KB