From 46ad48e8a28da7cc37a16c7e7fc632ecf906e4bf Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Wed, 25 Nov 2020 19:44:15 +0800 Subject: [PATCH] riscv: Add machine name to kernel boot log and stack dump output Add the machine name to kernel boot-up log, and install the machine name to stack dump for DT boot mode. Signed-off-by: Kefeng Wang Reviewed-by: Atish Patra Signed-off-by: Palmer Dabbelt --- arch/riscv/kernel/setup.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 90a4e06886a6..4945b5085241 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -214,8 +214,15 @@ static void __init init_resources(void) static void __init parse_dtb(void) { /* Early scan of device tree from init memory */ - if (early_init_dt_scan(dtb_early_va)) + if (early_init_dt_scan(dtb_early_va)) { + const char *name = of_flat_dt_get_machine_name(); + + if (name) { + pr_info("Machine model: %s\n", name); + dump_stack_set_arch_desc("%s (DT)", name); + } return; + } pr_err("No DTB passed to the kernel\n"); #ifdef CONFIG_CMDLINE_FORCE