Unverified Commit ba15c861 authored Feb 22, 2019 by Atish Patra Committed by Palmer Dabbelt Mar 04, 2019

RISC-V: Remove NR_CPUs check during hartid search from DT



In non-smp configuration, hartid can be higher that NR_CPUS.
riscv_of_processor_hartid should not be compared to hartid to NR_CPUS in
that case. Moreover, this function checks all the DT properties of a
hart node. NR_CPUS comparison seems out of place.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

parent 78d1daa3

arch/riscv/kernel/cpu.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -34,10 +34,6 @@ int riscv_of_processor_hartid(struct device_node *node)
		pr_warn("Found CPU without hart ID\n");
		return -ENODEV;
		}
		if (hart >= NR_CPUS) {
		pr_info("Found hart ID %d, which is above NR_CPUs. Disabling this hart\n", hart);
		return -ENODEV;
		}

		if (!of_device_is_available(node)) {
		pr_info("CPU with hartid=%d is not available\n", hart);