Merge branch 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

* 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, e820: Guard against array overflowed in __e820_add_region()
  x86, setup: remove obsolete pre-Kconfig CONFIG_VIDEO_ variables

diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 275dd17..11e8c6e 100644 (file)
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -31,7 +31,6 @@ static inline void vesa_store_mode_params_graphics(void) {}
 
 static int vesa_probe(void)
 {
-#if defined(CONFIG_VIDEO_VESA) || defined(CONFIG_FIRMWARE_EDID)
        struct biosregs ireg, oreg;
        u16 mode;
        addr_t mode_ptr;
@@ -49,8 +48,7 @@ static int vesa_probe(void)
            vginfo.signature != VESA_MAGIC ||
            vginfo.version < 0x0102)
                return 0;       /* Not present */
-#endif /* CONFIG_VIDEO_VESA || CONFIG_FIRMWARE_EDID */
-#ifdef CONFIG_VIDEO_VESA
+
        set_fs(vginfo.video_mode_ptr.seg);
        mode_ptr = vginfo.video_mode_ptr.off;
 
@@ -102,9 +100,6 @@ static int vesa_probe(void)
        }
 
        return nmodes;
-#else
-       return 0;
-#endif /* CONFIG_VIDEO_VESA */
 }
 
 static int vesa_set_mode(struct mode_info *mode)

diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 8f8d827..819caa1 100644 (file)
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -47,14 +47,6 @@ static u8 vga_set_basic_mode(void)
 
        initregs(&ireg);
 
-#ifdef CONFIG_VIDEO_400_HACK
-       if (adapter >= ADAPTER_VGA) {
-               ireg.ax = 0x1202;
-               ireg.bx = 0x0030;
-               intcall(0x10, &ireg, NULL);
-       }
-#endif
-
        ax = 0x0f00;
        intcall(0x10, &ireg, &oreg);
        mode = oreg.al;
@@ -62,11 +54,9 @@ static u8 vga_set_basic_mode(void)
        set_fs(0);
        rows = rdfs8(0x484);    /* rows minus one */
 
-#ifndef CONFIG_VIDEO_400_HACK
        if ((oreg.ax == 0x5003 || oreg.ax == 0x5007) &&
            (rows == 0 || rows == 24))
                return mode;
-#endif
 
        if (mode != 3 && mode != 7)
                mode = 3;

diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index bad728b..d42da38 100644 (file)
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -221,7 +221,6 @@ static unsigned int mode_menu(void)
        }
 }
 
-#ifdef CONFIG_VIDEO_RETAIN
 /* Save screen content to the heap */
 static struct saved_screen {
        int x, y;
@@ -299,10 +298,6 @@ static void restore_screen(void)
        ireg.dl = saved.curx;
        intcall(0x10, &ireg, NULL);
 }
-#else
-#define save_screen()          ((void)0)
-#define restore_screen()       ((void)0)
-#endif
 
 void set_video(void)
 {

diff --git a/arch/x86/boot/video.h b/arch/x86/boot/video.h
index 5bb174a..ff339c5 100644 (file)
--- a/arch/x86/boot/video.h
+++ b/arch/x86/boot/video.h
@@ -17,19 +17,8 @@
 
 #include <linux/types.h>
 
-/* Enable autodetection of SVGA adapters and modes. */
-#undef CONFIG_VIDEO_SVGA
-
-/* Enable autodetection of VESA modes */
-#define CONFIG_VIDEO_VESA
-
-/* Retain screen contents when switching modes */
-#define CONFIG_VIDEO_RETAIN
-
-/* Force 400 scan lines for standard modes (hack to fix bad BIOS behaviour */
-#undef CONFIG_VIDEO_400_HACK
-
-/* This code uses an extended set of video mode numbers. These include:
+/*
+ * This code uses an extended set of video mode numbers. These include:
  * Aliases for standard modes
  *      NORMAL_VGA (-1)
  *      EXTENDED_VGA (-2)
@@ -67,13 +56,8 @@
 /* The "recalculate timings" flag */
 #define VIDEO_RECALC 0x8000
 
-/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
-#ifdef CONFIG_VIDEO_RETAIN
 void store_screen(void);
 #define DO_STORE() store_screen()
-#else
-#define DO_STORE() ((void)0)
-#endif /* CONFIG_VIDEO_RETAIN */
 
 /*
  * Mode table structures

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 5cb5725..147005a 100644 (file)
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -115,7 +115,7 @@ static void __init __e820_add_region(struct e820map *e820x, u64 start, u64 size,
 {
        int x = e820x->nr_map;
 
-       if (x == ARRAY_SIZE(e820x->map)) {
+       if (x >= ARRAY_SIZE(e820x->map)) {
                printk(KERN_ERR "Ooops! Too many entries in the memory map!\n");
                return;
        }