[tip:x86/boot] x86, boot: Switch output functions from command-line flags to conditional compilation

From: tip-bot for Joe Millenbach
Date: Sat Jul 21 2012 - 20:56:43 EST


Commit-ID: 7aac3015b533add3e85222f9fd2ab66216b38746
Gitweb: http://git.kernel.org/tip/7aac3015b533add3e85222f9fd2ab66216b38746
Author: Joe Millenbach <jmillenbach@xxxxxxxxx>
AuthorDate: Thu, 19 Jul 2012 18:04:39 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Sat, 21 Jul 2012 11:07:25 -0700

x86, boot: Switch output functions from command-line flags to conditional compilation

Changed putstr flagging from parameter to conditional compilation for puts,
debug_putstr, and error_putstr. This allows for space savings since most
configurations won't use this feature.

Signed-off-by: Joe Millenbach <jmillenbach@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1342746282-28497-5-git-send-email-jmillenbach@xxxxxxxxx
Signed-off-by: Gokul Caushik <caushik1@xxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
arch/x86/boot/compressed/misc.c | 12 +-----------
arch/x86/boot/compressed/misc.h | 17 +++++++++++++----
2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index de1d54d..8c29f82 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -169,15 +169,11 @@ static void serial_putchar(int ch)
outb(ch, early_serial_base + TXR);
}

-void __putstr(int error, const char *s)
+void __putstr(const char *s)
{
int x, y, pos;
char c;

-#ifndef CONFIG_X86_VERBOSE_BOOTUP
- if (!error)
- return;
-#endif
if (early_serial_base) {
const char *str = s;
while (*str) {
@@ -223,12 +219,6 @@ void __putstr(int error, const char *s)
outb(0xff & (pos >> 1), vidport+1);
}

-static void debug_putstr(const char *s)
-{
- if (debug)
- putstr(s);
-}
-
void *memset(void *s, int c, size_t n)
{
int i;
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index 4c1bfb6..618e5c8 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -24,10 +24,19 @@

/* misc.c */
extern struct boot_params *real_mode; /* Pointer to real-mode data */
-void __putstr(int error, const char *s);
-#define putstr(__x) __putstr(0, __x)
-#define error_putstr(__x) __putstr(1, __x)
-#define puts(__x) __putstr(0, __x)
+void __putstr(const char *s);
+#define error_putstr(__x) __putstr(__x)
+
+#ifdef CONFIG_X86_VERBOSE_BOOTUP
+
+#define debug_putstr(__x) __putstr(__x)
+
+#else
+
+static inline void debug_putstr(const char *s)
+{ }
+
+#endif

/* cmdline.c */
int cmdline_find_option(const char *option, char *buffer, int bufsize);
--
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