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-rw-r--r--arch/x86/include/asm/a.out-core.h4
-rw-r--r--arch/x86/include/asm/cpufeature.h1
-rw-r--r--arch/x86/include/asm/math_emu.h29
-rw-r--r--arch/x86/include/asm/mpspec.h6
-rw-r--r--arch/x86/include/asm/pgtable.h26
-rw-r--r--arch/x86/include/asm/processor.h2
-rw-r--r--arch/x86/include/asm/traps.h4
-rw-r--r--arch/x86/include/asm/xen/page.h2
8 files changed, 40 insertions, 34 deletions
diff --git a/arch/x86/include/asm/a.out-core.h b/arch/x86/include/asm/a.out-core.h
index 37822206083..3c601f8224b 100644
--- a/arch/x86/include/asm/a.out-core.h
+++ b/arch/x86/include/asm/a.out-core.h
@@ -23,8 +23,6 @@
*/
static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
{
- u16 gs;
-
/* changed the size calculations - should hopefully work better. lbt */
dump->magic = CMAGIC;
dump->start_code = 0;
@@ -57,7 +55,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
dump->regs.ds = (u16)regs->ds;
dump->regs.es = (u16)regs->es;
dump->regs.fs = (u16)regs->fs;
- savesegment(gs, gs);
+ savesegment(gs, dump->regs.gs);
dump->regs.orig_ax = regs->orig_ax;
dump->regs.ip = regs->ip;
dump->regs.cs = (u16)regs->cs;
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index ea408dcba51..7301e60dc4a 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -93,6 +93,7 @@
#define X86_FEATURE_XTOPOLOGY (3*32+22) /* cpu topology enum extensions */
#define X86_FEATURE_TSC_RELIABLE (3*32+23) /* TSC is known to be reliable */
#define X86_FEATURE_NONSTOP_TSC (3*32+24) /* TSC does not stop in C states */
+#define X86_FEATURE_CLFLUSH_MONITOR (3*32+25) /* "" clflush reqd with monitor */
/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
#define X86_FEATURE_XMM3 (4*32+ 0) /* "pni" SSE-3 */
diff --git a/arch/x86/include/asm/math_emu.h b/arch/x86/include/asm/math_emu.h
index 5a65b107ad5..031f6266f42 100644
--- a/arch/x86/include/asm/math_emu.h
+++ b/arch/x86/include/asm/math_emu.h
@@ -1,31 +1,18 @@
#ifndef _ASM_X86_MATH_EMU_H
#define _ASM_X86_MATH_EMU_H
+#include <asm/ptrace.h>
+#include <asm/vm86.h>
+
/* This structure matches the layout of the data saved to the stack
following a device-not-present interrupt, part of it saved
automatically by the 80386/80486.
*/
-struct info {
+struct math_emu_info {
long ___orig_eip;
- long ___ebx;
- long ___ecx;
- long ___edx;
- long ___esi;
- long ___edi;
- long ___ebp;
- long ___eax;
- long ___ds;
- long ___es;
- long ___fs;
- long ___orig_eax;
- long ___eip;
- long ___cs;
- long ___eflags;
- long ___esp;
- long ___ss;
- long ___vm86_es; /* This and the following only in vm86 mode */
- long ___vm86_ds;
- long ___vm86_fs;
- long ___vm86_gs;
+ union {
+ struct pt_regs *regs;
+ struct kernel_vm86_regs *vm86;
+ };
};
#endif /* _ASM_X86_MATH_EMU_H */
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 62d14ce3cd0..bd22f2a3713 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -60,6 +60,7 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
u32 gsi);
extern void mp_config_acpi_legacy_irqs(void);
extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
+extern int acpi_probe_gsi(void);
#ifdef CONFIG_X86_IO_APIC
extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
u32 gsi, int triggering, int polarity);
@@ -71,6 +72,11 @@ mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
return 0;
}
#endif
+#else /* !CONFIG_ACPI: */
+static inline int acpi_probe_gsi(void)
+{
+ return 0;
+}
#endif /* CONFIG_ACPI */
#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 06bbcbd66e9..4f5af8447d5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -302,16 +302,30 @@ static inline pte_t pte_mkspecial(pte_t pte)
extern pteval_t __supported_pte_mask;
+/*
+ * Mask out unsupported bits in a present pgprot. Non-present pgprots
+ * can use those bits for other purposes, so leave them be.
+ */
+static inline pgprotval_t massage_pgprot(pgprot_t pgprot)
+{
+ pgprotval_t protval = pgprot_val(pgprot);
+
+ if (protval & _PAGE_PRESENT)
+ protval &= __supported_pte_mask;
+
+ return protval;
+}
+
static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
{
- return __pte((((phys_addr_t)page_nr << PAGE_SHIFT) |
- pgprot_val(pgprot)) & __supported_pte_mask);
+ return __pte(((phys_addr_t)page_nr << PAGE_SHIFT) |
+ massage_pgprot(pgprot));
}
static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
{
- return __pmd((((phys_addr_t)page_nr << PAGE_SHIFT) |
- pgprot_val(pgprot)) & __supported_pte_mask);
+ return __pmd(((phys_addr_t)page_nr << PAGE_SHIFT) |
+ massage_pgprot(pgprot));
}
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
@@ -323,7 +337,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
* the newprot (if present):
*/
val &= _PAGE_CHG_MASK;
- val |= pgprot_val(newprot) & (~_PAGE_CHG_MASK) & __supported_pte_mask;
+ val |= massage_pgprot(newprot) & ~_PAGE_CHG_MASK;
return __pte(val);
}
@@ -339,7 +353,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
#define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
-#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
+#define canon_pgprot(p) __pgprot(massage_pgprot(p))
static inline int is_new_memtype_allowed(unsigned long flags,
unsigned long new_flags)
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 091cd8855f2..3bfd5235a9e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -353,7 +353,7 @@ struct i387_soft_struct {
u8 no_update;
u8 rm;
u8 alimit;
- struct info *info;
+ struct math_emu_info *info;
u32 entry_eip;
};
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 2ee0a3bceed..cf3bb053da0 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -41,7 +41,7 @@ dotraplinkage void do_int3(struct pt_regs *, long);
dotraplinkage void do_overflow(struct pt_regs *, long);
dotraplinkage void do_bounds(struct pt_regs *, long);
dotraplinkage void do_invalid_op(struct pt_regs *, long);
-dotraplinkage void do_device_not_available(struct pt_regs *, long);
+dotraplinkage void do_device_not_available(struct pt_regs);
dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
dotraplinkage void do_segment_not_present(struct pt_regs *, long);
@@ -77,7 +77,7 @@ extern int panic_on_unrecovered_nmi;
extern int kstack_depth_to_print;
void math_error(void __user *);
-asmlinkage void math_emulate(long);
+void math_emulate(struct math_emu_info *);
#ifdef CONFIG_X86_32
unsigned long patch_espfix_desc(unsigned long, unsigned long);
#else
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 7ef617ef1df..4bd990ee43d 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -137,7 +137,7 @@ static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot)
pte_t pte;
pte.pte = ((phys_addr_t)page_nr << PAGE_SHIFT) |
- (pgprot_val(pgprot) & __supported_pte_mask);
+ massage_pgprot(pgprot);
return pte;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 09:47:48 +0000