]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commitdiff
RISC-V: Remove NR_CPUs check during hartid search from DT
authorAtish Patra <atish.patra@wdc.com>
Fri, 22 Feb 2019 19:41:37 +0000 (11:41 -0800)
committerPalmer Dabbelt <palmer@sifive.com>
Mon, 4 Mar 2019 18:40:38 +0000 (10:40 -0800)
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>
arch/riscv/kernel/cpu.c

index d1d9bfd5a89fa7b358647751bd45df7a2eb44223..cf2fca12414a4501a35037ffa020fc6a46e47277 100644 (file)
@@ -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);