tree 6de1c0594dc9d2eca244805484a3411260163ed9
parent 88398696c816dfc79d5301180dfe42a5d8c497c9
author Xiang W <wxjstz@126.com> 1700657678 +0800
committer Anup Patel <anup@brainfault.org> 1702035423 +0530

lib: sbi: Prevent redundant sbi_ipi_process

Multiple harts may try to send IPI to a particular target hart A
in which case the send_ipi() should be called only when the old
value of the hart A ipi_type is zero.

Signed-off-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>