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| author | Geoff Levand <geoff@infradead.org> | 2016-07-18 17:32:55 -0700 |
|---|---|---|
| committer | Geoff Levand <geoff@infradead.org> | 2016-12-02 10:08:47 -0800 |
| commit | e35f05aa6c0e4c5c59f75690d15f0c686d88e22a (patch) | |
| tree | 9b402ae9700f44d7c886b31f24905752dfc886f7 | |
| parent | a1dc248c17e23e3dda6a0843357f2d337f304fe2 (diff) | |
| download | linux-kexec-e35f05aa6c0e4c5c59f75690d15f0c686d88e22a.tar.gz | |
debugging: print hyp mode
| -rw-r--r-- | arch/arm64/kernel/smp.c | 2 | ||||
| -rw-r--r-- | init/main.c | 7 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 8507703dabe4a4..d1af7639920344 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -264,6 +264,8 @@ asmlinkage void secondary_start_kernel(void) local_irq_enable(); local_async_enable(); + printk("%s:%d: HYP cpu%u: %c\n", __func__, __LINE__, cpu, (is_hyp_mode_available() ? 'y' : 'n')); + /* * OK, it's off to the idle thread for us */ diff --git a/init/main.c b/init/main.c index 2858be732f6d25..6611df46512ca8 100644 --- a/init/main.c +++ b/init/main.c @@ -476,6 +476,12 @@ static void __init mm_init(void) ioremap_huge_init(); } +#if defined (__aarch64__) +# include <asm/virt.h> +#else +static inline int is_hyp_mode_available(void) {return 0;} +#endif + asmlinkage __visible void __init start_kernel(void) { char *command_line; @@ -513,6 +519,7 @@ asmlinkage __visible void __init start_kernel(void) build_all_zonelists(NULL, NULL); page_alloc_init(); + printk("%s:%d: HYP cpu%u: %c\n", __func__, __LINE__, 0, (is_hyp_mode_available() ? 'y' : 'n')); pr_notice("Kernel command line: %s\n", boot_command_line); parse_early_param(); after_dashes = parse_args("Booting kernel", |