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

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Date:	Sat, 21 Jul 2012 17:56:34 -0700
From:	tip-bot for Joe Millenbach <jmillenbach@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	caushik1@...il.com, jmillenbach@...il.com, josh@...htriplett.org,
	tglx@...utronix.de
Subject: [tip:x86/boot] x86, boot:
  Switch output functions from command-line flags to conditional compilation

Commit-ID:  7aac3015b533add3e85222f9fd2ab66216b38746
Gitweb:     http://git.kernel.org/tip/7aac3015b533add3e85222f9fd2ab66216b38746
Author:     Joe Millenbach <jmillenbach@...il.com>
AuthorDate: Thu, 19 Jul 2012 18:04:39 -0700
Committer:  H. Peter Anvin <hpa@...or.com>
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@...il.com>
Link: http://lkml.kernel.org/r/1342746282-28497-5-git-send-email-jmillenbach@gmail.com
Signed-off-by: Gokul Caushik <caushik1@...il.com>
Reviewed-by: Josh Triplett <josh@...htriplett.org>
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 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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