Lukas Auer 90ae281437 riscv: add option to wait for ack from secondary harts in smp functions ... Add a wait option to smp_call_function() to wait for the secondary harts to acknowledge the call-function request. The request is considered to be acknowledged once each secondary hart has cleared the corresponding IPI. As part of the call-function request, the secondary harts invalidate the instruction cache after clearing the IPI. This adds a delay between acknowledgment (clear IPI) and fulfillment (call function) of the request. We want to use the acknowledgment to be able to judge when the request has been completed. Remove the delay by clearing the IPI after cache invalidation and just before calling the function from the request. Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Rick Chen <rick@andestech.com> Tested-by: Rick Chen <rick@andestech.com> Reviewed-by: Anup Patel <anup.patel@wdc.com>		2019-12-10 08:23:10 +08:00
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cpu	riscv: add option to wait for ack from secondary harts in smp functions	2019-12-10 08:23:10 +08:00
dts	riscv: dts: Add #address-cells and #size-cells in nor node	2019-12-10 08:23:10 +08:00
include/asm	riscv: add option to wait for ack from secondary harts in smp functions	2019-12-10 08:23:10 +08:00
lib	riscv: add option to wait for ack from secondary harts in smp functions	2019-12-10 08:23:10 +08:00
config.mk	riscv: qemu: define standalone load address	2019-01-15 09:36:31 +08:00
Kconfig	riscv: increase stack size to avoid a stack overflow during distro boot	2019-12-10 08:23:10 +08:00
Makefile	riscv: add Kconfig entries for the code model	2018-12-18 09:56:26 +08:00