Messages in this thread Patch in this message | | | From | Masami Hiramatsu <> | Subject | [PATCH v3 4/6] um: Add os_warn() for pre-boot warning/error messages | Date | Thu, 18 May 2017 02:18:22 +0900 |
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Add os_warn() for printing out pre-boot warning/error messages in stderr. The messages via os_warn() are not suppressed by quiet option.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> --- arch/um/include/shared/os.h | 2 ++ arch/um/os-Linux/util.c | 9 +++++++++ 2 files changed, 11 insertions(+)
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 9e95bce..574e03f 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -244,6 +244,8 @@ extern void um_early_printk(const char *s, unsigned int n); extern void os_fix_helper_signals(void); extern void os_info(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); +extern void os_warn(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); /* time.c */ extern void os_idle_sleep(unsigned long long nsecs); diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c index c9bad1b..8cc8b26 100644 --- a/arch/um/os-Linux/util.c +++ b/arch/um/os-Linux/util.c @@ -177,3 +177,12 @@ void os_info(const char *fmt, ...) vfprintf(stderr, fmt, list); va_end(list); } + +void os_warn(const char *fmt, ...) +{ + va_list list; + + va_start(list, fmt); + vfprintf(stderr, fmt, list); + va_end(list); +}
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