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-rw-r--r--include/asm-i386/atomic.h21
-rw-r--r--include/asm-i386/desc.h8
-rw-r--r--include/asm-i386/dma-mapping.h2
-rw-r--r--include/asm-i386/elf.h2
-rw-r--r--include/asm-i386/hw_irq.h2
-rw-r--r--include/asm-i386/ide.h6
-rw-r--r--include/asm-i386/kprobes.h17
-rw-r--r--include/asm-i386/mach-default/mach_reboot.h2
-rw-r--r--include/asm-i386/mach-es7000/mach_mpparse.h2
-rw-r--r--include/asm-i386/mach-summit/mach_mpparse.h3
-rw-r--r--include/asm-i386/mmzone.h6
-rw-r--r--include/asm-i386/msi.h9
-rw-r--r--include/asm-i386/pgtable-2level.h5
-rw-r--r--include/asm-i386/pgtable-3level.h5
-rw-r--r--include/asm-i386/pgtable.h13
-rw-r--r--include/asm-i386/processor.h10
-rw-r--r--include/asm-i386/rwsem.h5
-rw-r--r--include/asm-i386/semaphore.h3
-rw-r--r--include/asm-i386/signal.h31
-rw-r--r--include/asm-i386/smp.h6
-rw-r--r--include/asm-i386/system.h73
-rw-r--r--include/asm-i386/unistd.h1
22 files changed, 182 insertions, 50 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index 509720be772a..c68557aa04b2 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -215,6 +215,27 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v)
return atomic_add_return(-i,v);
}
+#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+
+/**
+ * atomic_add_unless - add unless the number is a given value
+ * @v: pointer of type atomic_t
+ * @a: the amount to add to v...
+ * @u: ...unless v is equal to u.
+ *
+ * Atomically adds @a to @v, so long as it was not @u.
+ * Returns non-zero if @v was not @u, and zero otherwise.
+ */
+#define atomic_add_unless(v, a, u) \
+({ \
+ int c, old; \
+ c = atomic_read(v); \
+ while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
+ c = old; \
+ c != (u); \
+})
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
#define atomic_inc_return(v) (atomic_add_return(1,v))
#define atomic_dec_return(v) (atomic_sub_return(1,v))
diff --git a/include/asm-i386/desc.h b/include/asm-i386/desc.h
index 6df1a53c190e..29b851a18c6e 100644
--- a/include/asm-i386/desc.h
+++ b/include/asm-i386/desc.h
@@ -17,6 +17,8 @@
extern struct desc_struct cpu_gdt_table[GDT_ENTRIES];
DECLARE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]);
+#define get_cpu_gdt_table(_cpu) (per_cpu(cpu_gdt_table,_cpu))
+
DECLARE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
struct Xgt_desc_struct {
@@ -60,7 +62,7 @@ __asm__ __volatile__ ("movw %w3,0(%2)\n\t" \
static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, void *addr)
{
- _set_tssldt_desc(&per_cpu(cpu_gdt_table, cpu)[entry], (int)addr,
+ _set_tssldt_desc(&get_cpu_gdt_table(cpu)[entry], (int)addr,
offsetof(struct tss_struct, __cacheline_filler) - 1, 0x89);
}
@@ -68,7 +70,7 @@ static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, void *ad
static inline void set_ldt_desc(unsigned int cpu, void *addr, unsigned int size)
{
- _set_tssldt_desc(&per_cpu(cpu_gdt_table, cpu)[GDT_ENTRY_LDT], (int)addr, ((size << 3)-1), 0x82);
+ _set_tssldt_desc(&get_cpu_gdt_table(cpu)[GDT_ENTRY_LDT], (int)addr, ((size << 3)-1), 0x82);
}
#define LDT_entry_a(info) \
@@ -109,7 +111,7 @@ static inline void write_ldt_entry(void *ldt, int entry, __u32 entry_a, __u32 en
static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
{
-#define C(i) per_cpu(cpu_gdt_table, cpu)[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]
+#define C(i) get_cpu_gdt_table(cpu)[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]
C(0); C(1); C(2);
#undef C
}
diff --git a/include/asm-i386/dma-mapping.h b/include/asm-i386/dma-mapping.h
index 563964b2995b..e56c335f8ef9 100644
--- a/include/asm-i386/dma-mapping.h
+++ b/include/asm-i386/dma-mapping.h
@@ -11,7 +11,7 @@
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, unsigned int __nocast flag);
+ dma_addr_t *dma_handle, gfp_t flag);
void dma_free_coherent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle);
diff --git a/include/asm-i386/elf.h b/include/asm-i386/elf.h
index fa11117d3cfa..4153d80e4d2b 100644
--- a/include/asm-i386/elf.h
+++ b/include/asm-i386/elf.h
@@ -119,6 +119,8 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
*/
#define elf_read_implies_exec(ex, executable_stack) (executable_stack != EXSTACK_DISABLE_X)
+struct task_struct;
+
extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct *);
diff --git a/include/asm-i386/hw_irq.h b/include/asm-i386/hw_irq.h
index 4ac84cc6f01a..622815bf3243 100644
--- a/include/asm-i386/hw_irq.h
+++ b/include/asm-i386/hw_irq.h
@@ -18,6 +18,8 @@
#include <asm/irq.h>
#include <asm/sections.h>
+struct hw_interrupt_type;
+
/*
* Various low-level irq details needed by irq.c, process.c,
* time.c, io_apic.c and smp.c
diff --git a/include/asm-i386/ide.h b/include/asm-i386/ide.h
index 79dfab87135d..454440193eac 100644
--- a/include/asm-i386/ide.h
+++ b/include/asm-i386/ide.h
@@ -41,6 +41,12 @@ static __inline__ int ide_default_irq(unsigned long base)
static __inline__ unsigned long ide_default_io_base(int index)
{
+ /*
+ * If PCI is present then it is not safe to poke around
+ * the other legacy IDE ports. Only 0x1f0 and 0x170 are
+ * defined compatibility mode ports for PCI. A user can
+ * override this using ide= but we must default safe.
+ */
if (pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) {
switch(index) {
case 2: return 0x1e8;
diff --git a/include/asm-i386/kprobes.h b/include/asm-i386/kprobes.h
index 8b6d3a90cd78..ca916a892877 100644
--- a/include/asm-i386/kprobes.h
+++ b/include/asm-i386/kprobes.h
@@ -49,6 +49,23 @@ struct arch_specific_insn {
kprobe_opcode_t insn[MAX_INSN_SIZE];
};
+struct prev_kprobe {
+ struct kprobe *kp;
+ unsigned long status;
+ unsigned long old_eflags;
+ unsigned long saved_eflags;
+};
+
+/* per-cpu kprobe control block */
+struct kprobe_ctlblk {
+ unsigned long kprobe_status;
+ unsigned long kprobe_old_eflags;
+ unsigned long kprobe_saved_eflags;
+ long *jprobe_saved_esp;
+ struct pt_regs jprobe_saved_regs;
+ kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
+ struct prev_kprobe prev_kprobe;
+};
/* trap3/1 are intr gates for kprobes. So, restore the status of IF,
* if necessary, before executing the original int3/1 (trap) handler.
diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h
index 06ae4d81ba6a..a955e57ad016 100644
--- a/include/asm-i386/mach-default/mach_reboot.h
+++ b/include/asm-i386/mach-default/mach_reboot.h
@@ -19,7 +19,7 @@ static inline void kb_wait(void)
static inline void mach_reboot(void)
{
int i;
- for (i = 0; i < 100; i++) {
+ for (i = 0; i < 10; i++) {
kb_wait();
udelay(50);
outb(0x60, 0x64); /* write Controller Command Byte */
diff --git a/include/asm-i386/mach-es7000/mach_mpparse.h b/include/asm-i386/mach-es7000/mach_mpparse.h
index 28a84f6185a7..4a0637a3e208 100644
--- a/include/asm-i386/mach-es7000/mach_mpparse.h
+++ b/include/asm-i386/mach-es7000/mach_mpparse.h
@@ -16,7 +16,7 @@ static inline void mpc_oem_pci_bus(struct mpc_config_bus *m,
extern int parse_unisys_oem (char *oemptr);
extern int find_unisys_acpi_oem_table(unsigned long *oem_addr);
-extern void setup_unisys();
+extern void setup_unisys(void);
static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
diff --git a/include/asm-i386/mach-summit/mach_mpparse.h b/include/asm-i386/mach-summit/mach_mpparse.h
index 2b9e6d55bef1..1cce2b924a80 100644
--- a/include/asm-i386/mach-summit/mach_mpparse.h
+++ b/include/asm-i386/mach-summit/mach_mpparse.h
@@ -22,7 +22,6 @@ static inline void mpc_oem_pci_bus(struct mpc_config_bus *m,
{
}
-extern int usb_early_handoff;
static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
char *productid)
{
@@ -32,7 +31,6 @@ static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
|| !strncmp(productid, "RUTHLESS SMP", 12))){
use_cyclone = 1; /*enable cyclone-timer*/
setup_summit();
- usb_early_handoff = 1;
return 1;
}
return 0;
@@ -46,7 +44,6 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
|| !strncmp(oem_table_id, "EXA", 3))){
use_cyclone = 1; /*enable cyclone-timer*/
setup_summit();
- usb_early_handoff = 1;
return 1;
}
return 0;
diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 348fe3a4879d..620a90641ea8 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -88,12 +88,6 @@ static inline int pfn_to_nid(unsigned long pfn)
__pgdat->node_start_pfn + __pgdat->node_spanned_pages; \
})
-#define local_mapnr(kvaddr) \
-({ \
- unsigned long __pfn = __pa(kvaddr) >> PAGE_SHIFT; \
- (__pfn - node_start_pfn(pfn_to_nid(__pfn))); \
-})
-
/* XXX: FIXME -- wli */
#define kern_addr_valid(kaddr) (0)
diff --git a/include/asm-i386/msi.h b/include/asm-i386/msi.h
index b85393094c83..f041d4495faf 100644
--- a/include/asm-i386/msi.h
+++ b/include/asm-i386/msi.h
@@ -10,13 +10,6 @@
#include <mach_apic.h>
#define LAST_DEVICE_VECTOR 232
-#define MSI_DEST_MODE MSI_LOGICAL_MODE
-#define MSI_TARGET_CPU_SHIFT 12
-
-#ifdef CONFIG_SMP
-#define MSI_TARGET_CPU logical_smp_processor_id()
-#else
-#define MSI_TARGET_CPU cpu_to_logical_apicid(first_cpu(cpu_online_map))
-#endif
+#define MSI_TARGET_CPU_SHIFT 12
#endif /* ASM_MSI_H */
diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h
index fa07bd6c7529..74ef721b534d 100644
--- a/include/asm-i386/pgtable-2level.h
+++ b/include/asm-i386/pgtable-2level.h
@@ -26,11 +26,6 @@
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
-
-#define pmd_page_kernel(pmd) \
-((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
-
/*
* All present user pages are user-executable:
*/
diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h
index 2e3f4a344a2d..f1a8b454920a 100644
--- a/include/asm-i386/pgtable-3level.h
+++ b/include/asm-i386/pgtable-3level.h
@@ -74,11 +74,6 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
*/
static inline void pud_clear (pud_t * pud) { }
-#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
-
-#define pmd_page_kernel(pmd) \
-((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
-
#define pud_page(pud) \
((struct page *) __va(pud_val(pud) & PAGE_MASK))
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index d101ac414f07..088a945bf26b 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -25,6 +25,9 @@
#include <linux/list.h>
#include <linux/spinlock.h>
+struct mm_struct;
+struct vm_area_struct;
+
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
@@ -203,7 +206,8 @@ extern unsigned long pg0[];
#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
#define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
-#define pmd_none(x) (!pmd_val(x))
+/* To avoid harmful races, pmd_none(x) should check only the lower when PAE */
+#define pmd_none(x) (!(unsigned long)pmd_val(x))
#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT)
#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
@@ -322,8 +326,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
return pte;
}
-#define page_pte(page) page_pte_prot(page, __pgprot(0))
-
#define pmd_large(pmd) \
((pmd_val(pmd) & (_PAGE_PSE|_PAGE_PRESENT)) == (_PAGE_PSE|_PAGE_PRESENT))
@@ -368,6 +370,11 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_kernel(*(dir)) + pte_index(address))
+#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
+
+#define pmd_page_kernel(pmd) \
+ ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
+
/*
* Helper function that returns the kernel pagetable entry controlling
* the virtual address 'address'. NULL means no pagetable entry present.
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index 0a4ec764377c..5c96cf6dcb39 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -65,7 +65,9 @@ struct cpuinfo_x86 {
int f00f_bug;
int coma_bug;
unsigned long loops_per_jiffy;
- unsigned char x86_num_cores;
+ unsigned char x86_max_cores; /* cpuid returned max cores value */
+ unsigned char booted_cores; /* number of cores as seen by OS */
+ unsigned char apicid;
} __attribute__((__aligned__(SMP_CACHE_BYTES)));
#define X86_VENDOR_INTEL 0
@@ -718,4 +720,10 @@ extern void mtrr_bp_init(void);
#define mtrr_bp_init() do {} while (0)
#endif
+#ifdef CONFIG_X86_MCE
+extern void mcheck_init(struct cpuinfo_x86 *c);
+#else
+#define mcheck_init(c) do {} while(0)
+#endif
+
#endif /* __ASM_I386_PROCESSOR_H */
diff --git a/include/asm-i386/rwsem.h b/include/asm-i386/rwsem.h
index 7625a675852f..be4ab859238e 100644
--- a/include/asm-i386/rwsem.h
+++ b/include/asm-i386/rwsem.h
@@ -284,5 +284,10 @@ LOCK_PREFIX "xadd %0,(%2)"
return tmp+delta;
}
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+ return (sem->count != 0);
+}
+
#endif /* __KERNEL__ */
#endif /* _I386_RWSEM_H */
diff --git a/include/asm-i386/semaphore.h b/include/asm-i386/semaphore.h
index ea563da63e24..6a42b2142fd6 100644
--- a/include/asm-i386/semaphore.h
+++ b/include/asm-i386/semaphore.h
@@ -55,9 +55,6 @@ struct semaphore {
.wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \
}
-#define __MUTEX_INITIALIZER(name) \
- __SEMAPHORE_INITIALIZER(name,1)
-
#define __DECLARE_SEMAPHORE_GENERIC(name,count) \
struct semaphore name = __SEMAPHORE_INITIALIZER(name,count)
diff --git a/include/asm-i386/signal.h b/include/asm-i386/signal.h
index cbb47d34aa31..76524b4052ac 100644
--- a/include/asm-i386/signal.h
+++ b/include/asm-i386/signal.h
@@ -159,14 +159,37 @@ typedef struct sigaltstack {
#define __HAVE_ARCH_SIG_BITOPS
-static __inline__ void sigaddset(sigset_t *set, int _sig)
+#define sigaddset(set,sig) \
+ (__builtin_constant_p(sig) ? \
+ __const_sigaddset((set),(sig)) : \
+ __gen_sigaddset((set),(sig)))
+
+static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
{
- __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+ __asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
}
-static __inline__ void sigdelset(sigset_t *set, int _sig)
+static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
{
- __asm__("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
+ unsigned long sig = _sig - 1;
+ set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
+}
+
+#define sigdelset(set,sig) \
+ (__builtin_constant_p(sig) ? \
+ __const_sigdelset((set),(sig)) : \
+ __gen_sigdelset((set),(sig)))
+
+
+static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
+{
+ __asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
+{
+ unsigned long sig = _sig - 1;
+ set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
}
static __inline__ int __const_sigismember(sigset_t *set, int _sig)
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h
index 13250199976d..61d3ab9db70c 100644
--- a/include/asm-i386/smp.h
+++ b/include/asm-i386/smp.h
@@ -45,6 +45,8 @@ extern void unlock_ipi_call_lock(void);
#define MAX_APICID 256
extern u8 x86_cpu_to_apicid[];
+#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
+
#ifdef CONFIG_HOTPLUG_CPU
extern void cpu_exit_clear(void);
extern void cpu_uninit(void);
@@ -92,6 +94,10 @@ extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
#endif /* !__ASSEMBLY__ */
+#else /* CONFIG_SMP */
+
+#define cpu_physical_id(cpu) boot_cpu_physical_apicid
+
#define NO_PROC_ID 0xFF /* No processor magic marker */
#endif
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index acd5c26b69ba..772f85da1206 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -167,6 +167,8 @@ struct __xchg_dummy { unsigned long a[100]; };
#define __xg(x) ((struct __xchg_dummy *)(x))
+#ifdef CONFIG_X86_CMPXCHG64
+
/*
* The semantics of XCHGCMP8B are a bit strange, this is why
* there is a loop and the loading of %%eax and %%edx has to
@@ -221,6 +223,8 @@ static inline void __set_64bit_var (unsigned long long *ptr,
__set_64bit(ptr, (unsigned int)(value), (unsigned int)((value)>>32ULL) ) : \
__set_64bit(ptr, ll_low(value), ll_high(value)) )
+#endif
+
/*
* Note: no "lock" prefix even on SMP: xchg always implies lock anyway
* Note 2: xchg has side effect, so that attribute volatile is necessary,
@@ -259,6 +263,9 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
#ifdef CONFIG_X86_CMPXCHG
#define __HAVE_ARCH_CMPXCHG 1
+#define cmpxchg(ptr,o,n)\
+ ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
+ (unsigned long)(n),sizeof(*(ptr))))
#endif
static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
@@ -275,22 +282,78 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
case 2:
__asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
: "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "r"(new), "m"(*__xg(ptr)), "0"(old)
: "memory");
return prev;
case 4:
__asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
: "=a"(prev)
- : "q"(new), "m"(*__xg(ptr)), "0"(old)
+ : "r"(new), "m"(*__xg(ptr)), "0"(old)
: "memory");
return prev;
}
return old;
}
-#define cmpxchg(ptr,o,n)\
- ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
- (unsigned long)(n),sizeof(*(ptr))))
+#ifndef CONFIG_X86_CMPXCHG
+/*
+ * Building a kernel capable running on 80386. It may be necessary to
+ * simulate the cmpxchg on the 80386 CPU. For that purpose we define
+ * a function for each of the sizes we support.
+ */
+
+extern unsigned long cmpxchg_386_u8(volatile void *, u8, u8);
+extern unsigned long cmpxchg_386_u16(volatile void *, u16, u16);
+extern unsigned long cmpxchg_386_u32(volatile void *, u32, u32);
+
+static inline unsigned long cmpxchg_386(volatile void *ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 1:
+ return cmpxchg_386_u8(ptr, old, new);
+ case 2:
+ return cmpxchg_386_u16(ptr, old, new);
+ case 4:
+ return cmpxchg_386_u32(ptr, old, new);
+ }
+ return old;
+}
+
+#define cmpxchg(ptr,o,n) \
+({ \
+ __typeof__(*(ptr)) __ret; \
+ if (likely(boot_cpu_data.x86 > 3)) \
+ __ret = __cmpxchg((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))); \
+ else \
+ __ret = cmpxchg_386((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr))); \
+ __ret; \
+})
+#endif
+
+#ifdef CONFIG_X86_CMPXCHG64
+
+static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long long old,
+ unsigned long long new)
+{
+ unsigned long long prev;
+ __asm__ __volatile__(LOCK_PREFIX "cmpxchg8b %3"
+ : "=A"(prev)
+ : "b"((unsigned long)new),
+ "c"((unsigned long)(new >> 32)),
+ "m"(*__xg(ptr)),
+ "0"(old)
+ : "memory");
+ return prev;
+}
+
+#define cmpxchg64(ptr,o,n)\
+ ((__typeof__(*(ptr)))__cmpxchg64((ptr),(unsigned long long)(o),\
+ (unsigned long long)(n)))
+
+#endif
#ifdef __KERNEL__
struct alt_instr {
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index fbaf90a3968c..0f92e78dfea1 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -448,7 +448,6 @@ asmlinkage int sys_clone(struct pt_regs regs);
asmlinkage int sys_fork(struct pt_regs regs);
asmlinkage int sys_vfork(struct pt_regs regs);
asmlinkage int sys_pipe(unsigned long __user *fildes);
-asmlinkage int sys_ptrace(long request, long pid, long addr, long data);
asmlinkage long sys_iopl(unsigned long unused);
struct sigaction;
asmlinkage long sys_rt_sigaction(int sig,
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-22 06:23:10 +0000