On Mon, Dec 25, 2023 at 5:13 PM maobibo <maobibo@xxxxxxxxxxx> wrote:
Can this be used to define arrays?
On 2023/12/25 下午3:00, Huacai Chen wrote:
Now loongson_system_configuration::cores_io_master only covers 64 cpus,Can the hardcoded 4 be defined something like this?
if NR_CPUS > 64 there will be memory corruption. So let cores_io_master
cover the largest NR_CPUS (256).
Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
---
arch/loongarch/include/asm/bootinfo.h | 4 ++--
arch/loongarch/kernel/acpi.c | 2 +-
arch/loongarch/kernel/smp.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h
index c60796869b2b..32fd0319594a 100644
--- a/arch/loongarch/include/asm/bootinfo.h
+++ b/arch/loongarch/include/asm/bootinfo.h
@@ -30,7 +30,7 @@ struct loongson_system_configuration {
int boot_cpu_id;
int cores_per_node;
int cores_per_package;
- unsigned long cores_io_master;
+ unsigned long cores_io_master[4];
DIV_ROUND_UP(CONFIG_NR_CPUS, sizeof(long))
Huacai