From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Masami Hiramatsu Subject: [RFC PATCH v2 4/6] um: Add os_warn() for pre-boot warning/error messages Date: Mon, 8 May 2017 15:20:05 +0900 Message-Id: <149422439545.11101.7179534750138663551.stgit@devbox> In-Reply-To: <149422411127.11101.13017249012576512464.stgit@devbox> References: <149422411127.11101.13017249012576512464.stgit@devbox> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org To: Jeff Dike , Richard Weinberger Cc: Masami Hiramatsu , user-mode-linux-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org List-ID: 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 --- 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); +}