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author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2020-11-25 14:44:15 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-10-30 11:41:18 +0300 |
commit | 0e4c06ae7c546764eb4769ede647ef71a2fd363d (patch) | |
tree | 7ccb88a688522fd206a0281dc9ab0bab2fe32b9c | |
parent | 7fba4a389d070daf17e18c657c8e31f03cc2486b (diff) | |
download | linux-0e4c06ae7c546764eb4769ede647ef71a2fd363d.tar.xz |
riscv: Add machine name to kernel boot log and stack dump output
[ Upstream commit 46ad48e8a28da7cc37a16c7e7fc632ecf906e4bf ]
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 <wangkefeng.wang@huawei.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Stable-dep-of: 10f6913c548b ("riscv: always honor the CONFIG_CMDLINE_FORCE when parsing dtb")
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | arch/riscv/kernel/setup.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 117f3212a8e4..5d17d3ce36fd 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -54,8 +54,15 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices); 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 |