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:
Коммит
1dc60c53d3
|
@ -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.
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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);
|
||||
|
|
|
@ -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
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче