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authorIngo Molnar <mingo@kernel.org>2017-07-18 11:36:53 +0200
committerIngo Molnar <mingo@kernel.org>2017-07-18 11:36:53 +0200
commit1ed7d32763857fbdc8e406352404538e41050d22 (patch)
treef97c5d8f548141bf7cdec0a9d7f22adb61da6efc /arch/um/os-Linux/util.c
parent660da7c9228f685b2ebe664f9fd69aaddcc420b5 (diff)
parent27aac20574110abfd594175a668dc58b23b2b14a (diff)
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Merge branch 'x86/boot' into x86/mm, to pick up interacting changes
The SME patches we are about to apply add some E820 logic, so merge in pending E820 code changes first, to have a single code base. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/um/os-Linux/util.c')
-rw-r--r--arch/um/os-Linux/util.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index faee55ef6d2f..8cc8b2617a67 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -13,6 +13,7 @@
#include <wait.h>
#include <sys/mman.h>
#include <sys/utsname.h>
+#include <init.h>
#include <os.h>
void stack_protections(unsigned long address)
@@ -152,3 +153,36 @@ void um_early_printk(const char *s, unsigned int n)
{
printf("%.*s", n, s);
}
+
+static int quiet_info;
+
+static int __init quiet_cmd_param(char *str, int *add)
+{
+ quiet_info = 1;
+ return 0;
+}
+
+__uml_setup("quiet", quiet_cmd_param,
+"quiet\n"
+" Turns off information messages during boot.\n\n");
+
+void os_info(const char *fmt, ...)
+{
+ va_list list;
+
+ if (quiet_info)
+ return;
+
+ va_start(list, 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);
+}