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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:51:37 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:51:37 -0700
commit8ddf83fed6c283dd941ca76ae715eb268ee8c04e (patch)
tree309628fccc4ec213afd8ebd28181703050bb046a /arch/i386/boot
parent0d6caa1795090bd22ede96b84daa4600b63eee37 (diff)
parentff659d13ed91dd0b237064aba91a5259f827aeb3 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup: [x86 setup] EDD: Fix the computation of the MBR sector buffer [x86 setup] Newline after setup signature failure message x86 boot code comments typos
Diffstat (limited to 'arch/i386/boot')
-rw-r--r--arch/i386/boot/code16gcc.h2
-rw-r--r--arch/i386/boot/edd.c5
-rw-r--r--arch/i386/boot/header.S4
-rw-r--r--arch/i386/boot/pm.c2
-rw-r--r--arch/i386/boot/video-bios.c2
5 files changed, 8 insertions, 7 deletions
diff --git a/arch/i386/boot/code16gcc.h b/arch/i386/boot/code16gcc.h
index 3bd848093b9..d93e48010b6 100644
--- a/arch/i386/boot/code16gcc.h
+++ b/arch/i386/boot/code16gcc.h
@@ -2,7 +2,7 @@
* code16gcc.h
*
* This file is -include'd when compiling 16-bit C code.
- * Note: this asm() needs to be emitted before gcc omits any code.
+ * Note: this asm() needs to be emitted before gcc emits any code.
* Depending on gcc version, this requires -fno-unit-at-a-time or
* -fno-toplevel-reorder.
*
diff --git a/arch/i386/boot/edd.c b/arch/i386/boot/edd.c
index 25a282494f4..77d92daf792 100644
--- a/arch/i386/boot/edd.c
+++ b/arch/i386/boot/edd.c
@@ -72,17 +72,18 @@ static u32 read_mbr_sig(u8 devno, struct edd_info *ei)
u32 mbrsig;
u32 buf_base, mbr_base;
extern char _end[];
- static char mbr_buf[1024];
sector_size = ei->params.bytes_per_sector;
if (!sector_size)
sector_size = 512; /* Best available guess */
+ /* Produce a naturally aligned buffer on the heap */
buf_base = (ds() << 4) + (u32)&_end;
mbr_base = (buf_base+sector_size-1) & ~(sector_size-1);
- mbrbuf_ptr = mbr_buf + (mbr_base-buf_base);
+ mbrbuf_ptr = _end + (mbr_base-buf_base);
mbrbuf_end = mbrbuf_ptr + sector_size;
+ /* Make sure we actually have space on the heap... */
if (!(boot_params.hdr.loadflags & CAN_USE_HEAP))
return 0;
if (mbrbuf_end > (char *)(size_t)boot_params.hdr.heap_end_ptr)
diff --git a/arch/i386/boot/header.S b/arch/i386/boot/header.S
index 6b9923fb6ea..7f4a2c53bd7 100644
--- a/arch/i386/boot/header.S
+++ b/arch/i386/boot/header.S
@@ -225,7 +225,7 @@ start_of_setup:
int $0x13
#endif
-# We will have entired with %cs = %ds+0x20, normalize %cs so
+# We will have entered with %cs = %ds+0x20, normalize %cs so
# it is on par with the other segments.
pushw %ds
pushw $setup2
@@ -280,4 +280,4 @@ die:
.section ".initdata", "a"
setup_corrupt:
.byte 7
- .string "No setup signature found..."
+ .string "No setup signature found...\n"
diff --git a/arch/i386/boot/pm.c b/arch/i386/boot/pm.c
index 1df025c7326..6be9ca811d1 100644
--- a/arch/i386/boot/pm.c
+++ b/arch/i386/boot/pm.c
@@ -80,7 +80,7 @@ static void move_kernel_around(void)
*/
static void mask_all_interrupts(void)
{
- outb(0xff, 0xa1); /* Mask all interrupts on the seconday PIC */
+ outb(0xff, 0xa1); /* Mask all interrupts on the secondary PIC */
io_delay();
outb(0xfb, 0x21); /* Mask all but cascade on the primary PIC */
io_delay();
diff --git a/arch/i386/boot/video-bios.c b/arch/i386/boot/video-bios.c
index afea46c500c..68e65d95cdf 100644
--- a/arch/i386/boot/video-bios.c
+++ b/arch/i386/boot/video-bios.c
@@ -44,7 +44,7 @@ static int set_bios_mode(u8 mode)
: "+a" (ax)
: : "ebx", "ecx", "edx", "esi", "edi");
- do_restore = 1; /* Assume video contents was lost */
+ do_restore = 1; /* Assume video contents were lost */
new_mode = ax & 0x7f; /* Not all BIOSes are clean with the top bit */
if (new_mode == mode)