Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: Fix compile error with CONFIG_AS_CFI=n
  Documentation: document debugpat commandline option
  x86: sanitize Kconfig
  x86, suspend, acpi: correct and add comments about Big Real Mode
  x86, suspend, acpi: enter Big Real Mode

Fixed trivial conflict in include/asm-x86/dwarf2.h due to just using
different names for "cfi_ignore" (vs "__cfi_ignore") macro.
This commit is contained in:
Linus Torvalds 2008-07-15 08:41:43 -07:00
commit 1dc60c53d3
4 changed files with 50 additions and 34 deletions

View file

@ -571,6 +571,8 @@ and is between 256 and 4096 characters. It is defined in the file
debug_objects [KNL] Enable object debugging
debugpat [X86] Enable PAT debugging
decnet.addr= [HW,NET]
Format: <area>[,<node>]
See also Documentation/networking/decnet.txt.

View file

@ -447,7 +447,6 @@ config PARAVIRT_DEBUG
config MEMTEST
bool "Memtest"
depends on X86_64
default y
help
This option adds a kernel parameter 'memtest', which allows memtest
to be set.
@ -455,7 +454,7 @@ config MEMTEST
memtest=1, mean do 1 test pattern;
...
memtest=4, mean do 4 test patterns.
If you are unsure how to answer this question, answer Y.
If you are unsure how to answer this question, answer N.
config X86_SUMMIT_NUMA
def_bool y
@ -1135,21 +1134,18 @@ config MTRR
See <file:Documentation/mtrr.txt> for more information.
config MTRR_SANITIZER
def_bool y
bool
prompt "MTRR cleanup support"
depends on MTRR
help
Convert MTRR layout from continuous to discrete, so some X driver
could add WB entries.
Convert MTRR layout from continuous to discrete, so X drivers can
add writeback entries.
Say N here if you see bootup problems (boot crash, boot hang,
spontaneous reboots).
Can be disabled with disable_mtrr_cleanup on the kernel command line.
The largest mtrr entry size for a continous block can be set with
mtrr_chunk_size.
Could be disabled with disable_mtrr_cleanup. Also mtrr_chunk_size
could be used to send largest mtrr entry size for continuous block
to hold holes (aka. UC entries)
If unsure, say Y.
If unsure, say N.
config MTRR_SANITIZER_ENABLE_DEFAULT
int "MTRR cleanup enable value (0-1)"
@ -1166,7 +1162,7 @@ config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT
depends on MTRR_SANITIZER
help
mtrr cleanup spare entries default, it can be changed via
mtrr_spare_reg_nr=
mtrr_spare_reg_nr=N on the kernel command line.
config X86_PAT
bool

View file

@ -23,6 +23,15 @@ static unsigned long acpi_realmode;
static char temp_stack[10240];
#endif
/* XXX: this macro should move to asm-x86/segment.h and be shared with the
boot code... */
#define GDT_ENTRY(flags, base, limit) \
(((u64)(base & 0xff000000) << 32) | \
((u64)flags << 40) | \
((u64)(limit & 0x00ff0000) << 32) | \
((u64)(base & 0x00ffffff) << 16) | \
((u64)(limit & 0x0000ffff)))
/**
* acpi_save_state_mem - save kernel state
*
@ -51,18 +60,27 @@ int acpi_save_state_mem(void)
header->video_mode = saved_video_mode;
header->wakeup_jmp_seg = acpi_wakeup_address >> 4;
/*
* Set up the wakeup GDT. We set these up as Big Real Mode,
* that is, with limits set to 4 GB. At least the Lenovo
* Thinkpad X61 is known to need this for the video BIOS
* initialization quirk to work; this is likely to also
* be the case for other laptops or integrated video devices.
*/
/* GDT[0]: GDT self-pointer */
header->wakeup_gdt[0] =
(u64)(sizeof(header->wakeup_gdt) - 1) +
((u64)(acpi_wakeup_address +
((char *)&header->wakeup_gdt - (char *)acpi_realmode))
<< 16);
/* GDT[1]: real-mode-like code segment */
header->wakeup_gdt[1] = (0x009bULL << 40) +
((u64)acpi_wakeup_address << 16) + 0xffff;
/* GDT[2]: real-mode-like data segment */
header->wakeup_gdt[2] = (0x0093ULL << 40) +
((u64)acpi_wakeup_address << 16) + 0xffff;
/* GDT[1]: big real mode-like code segment */
header->wakeup_gdt[1] =
GDT_ENTRY(0x809b, acpi_wakeup_address, 0xfffff);
/* GDT[2]: big real mode-like data segment */
header->wakeup_gdt[2] =
GDT_ENTRY(0x8093, acpi_wakeup_address, 0xfffff);
#ifndef CONFIG_64BIT
store_gdt((struct desc_ptr *)&header->pmode_gdt);

View file

@ -38,23 +38,23 @@
/* Due to the structure of pre-exisiting code, don't use assembler line
comment character # to ignore the arguments. Instead, use a dummy macro. */
.macro __cfi_ignore a=0, b=0, c=0, d=0
.macro cfi_ignore a=0, b=0, c=0, d=0
.endm
#define CFI_STARTPROC __cfi_ignore
#define CFI_ENDPROC __cfi_ignore
#define CFI_DEF_CFA __cfi_ignore
#define CFI_DEF_CFA_REGISTER __cfi_ignore
#define CFI_DEF_CFA_OFFSET __cfi_ignore
#define CFI_ADJUST_CFA_OFFSET __cfi_ignore
#define CFI_OFFSET __cfi_ignore
#define CFI_REL_OFFSET __cfi_ignore
#define CFI_REGISTER __cfi_ignore
#define CFI_RESTORE __cfi_ignore
#define CFI_REMEMBER_STATE __cfi_ignore
#define CFI_RESTORE_STATE __cfi_ignore
#define CFI_UNDEFINED __cfi_ignore
#define CFI_SIGNAL_FRAME __cfi_ignore
#define CFI_STARTPROC cfi_ignore
#define CFI_ENDPROC cfi_ignore
#define CFI_DEF_CFA cfi_ignore
#define CFI_DEF_CFA_REGISTER cfi_ignore
#define CFI_DEF_CFA_OFFSET cfi_ignore
#define CFI_ADJUST_CFA_OFFSET cfi_ignore
#define CFI_OFFSET cfi_ignore
#define CFI_REL_OFFSET cfi_ignore
#define CFI_REGISTER cfi_ignore
#define CFI_RESTORE cfi_ignore
#define CFI_REMEMBER_STATE cfi_ignore
#define CFI_RESTORE_STATE cfi_ignore
#define CFI_UNDEFINED cfi_ignore
#define CFI_SIGNAL_FRAME cfi_ignore
#endif