[GIT PULL] x86/boot changes for v4.1

[GIT PULL] x86/boot changes for v4.1

[Ingo Molnar]

Linus,

Please pull the latest x86-boot-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-boot-for-linus

   # HEAD: 1c1d046be692493d00a4831d4fbc266745008e09 x86/boot: Standardize strcmp()

A number of cleanups.

 Thanks,

	Ingo

------------------>
Alexander Kuleshov (2):
      x86/boot/video: Move the 'video_segment' variable to video.c
      x86/boot/64: Remove pointless early_printk() message

Arjun Sreedharan (1):
      x86/boot: Standardize strcmp()


 arch/x86/boot/string.c     | 2 +-
 arch/x86/boot/video-mode.c | 4 +---
 arch/x86/boot/video.c      | 2 ++
 arch/x86/boot/video.h      | 1 -
 arch/x86/kernel/head64.c   | 3 ---
 5 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 493f3fd9f139..318b8465d302 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -30,7 +30,7 @@ int strcmp(const char *str1, const char *str2)
 	int delta = 0;
 
 	while (*s1 || *s2) {
-		delta = *s2 - *s1;
+		delta = *s1 - *s2;
 		if (delta)
 			return delta;
 		s1++;
diff --git a/arch/x86/boot/video-mode.c b/arch/x86/boot/video-mode.c
index 748e8d06290a..aa8a96b052e3 100644
--- a/arch/x86/boot/video-mode.c
+++ b/arch/x86/boot/video-mode.c
@@ -22,10 +22,8 @@
 /*
  * Common variables
  */
-int adapter;			/* 0=CGA/MDA/HGC, 1=EGA, 2=VGA+ */
-u16 video_segment;
+int adapter;		/* 0=CGA/MDA/HGC, 1=EGA, 2=VGA+ */
 int force_x, force_y;	/* Don't query the BIOS for cols/rows */
-
 int do_restore;		/* Screen contents changed during mode flip */
 int graphic_mode;	/* Graphic mode with linear frame buffer */
 
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index 43eda284d27f..05111bb8d018 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -17,6 +17,8 @@
 #include "video.h"
 #include "vesa.h"
 
+static u16 video_segment;
+
 static void store_cursor_position(void)
 {
 	struct biosregs ireg, oreg;
diff --git a/arch/x86/boot/video.h b/arch/x86/boot/video.h
index 0bb25491262d..b54e0328c449 100644
--- a/arch/x86/boot/video.h
+++ b/arch/x86/boot/video.h
@@ -91,7 +91,6 @@ int mode_defined(u16 mode);	/* video.c */
 #define ADAPTER_VGA	2
 
 extern int adapter;
-extern u16 video_segment;
 extern int force_x, force_y;	/* Don't query the BIOS for cols/rows */
 extern int do_restore;		/* Restore screen contents */
 extern int graphic_mode;	/* Graphics mode with linear frame buffer */
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index eda1a865641e..8c58135b0fa4 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -172,9 +172,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data)
 	 */
 	load_ucode_bsp();
 
-	if (console_loglevel >= CONSOLE_LOGLEVEL_DEBUG)
-		early_printk("Kernel alive\n");
-
 	clear_page(init_level4_pgt);
 	/* set init_level4_pgt kernel high mapping*/
 	init_level4_pgt[511] = early_level4_pgt[511];