forked from Mirrors/opensbi

Currently, failures in sbi_ipi_send() are silently ignored, which makes them difficult to debug. Instead, abort sending the IPI and pass back the error, but still synchronize any IPIs already sent. Signed-off-by: Samuel Holland <samuel.holland@sifive.com> Signed-off-by: Anup Patel <anup@brainfault.org>