Re: [PATCH 4/7] riscv: Clear pending IPIs on initialization

On Tue, Sep 8, 2020 at 2:17 AM Sean Anderson seanga2@gmail.com wrote:

Even though we no longer call smp_function if an IPI was not sent by U-Boot, we still need to clear any IPIs which were pending from the execution environment. Otherwise, secondary harts will busy-wait in secondary_hart_loop, instead of relaxing.

Signed-off-by: Sean Anderson seanga2@gmail.com

arch/riscv/cpu/cpu.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)

Reviewed-by: Bin Meng bin.meng@windriver.com