summaryrefslogtreecommitdiff
path: root/include/asm-generic
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/atomic.h39
-rw-r--r--include/asm-generic/bitops/find.h39
-rw-r--r--include/asm-generic/cmpxchg-local.h1
-rw-r--r--include/asm-generic/fcntl.h2
-rw-r--r--include/asm-generic/hardirq.h2
-rw-r--r--include/asm-generic/io.h26
-rw-r--r--include/asm-generic/ioctls.h2
-rw-r--r--include/asm-generic/irqflags.h52
-rw-r--r--include/asm-generic/kdebug.h2
-rw-r--r--include/asm-generic/percpu.h14
-rw-r--r--include/asm-generic/pgtable.h6
-rw-r--r--include/asm-generic/system.h20
-rw-r--r--include/asm-generic/vmlinux.lds.h14
13 files changed, 141 insertions, 78 deletions
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index e53347fbf1da..e994197f84b7 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -43,6 +43,7 @@
*/
#define atomic_set(v, i) (((v)->counter) = (i))
+#include <linux/irqflags.h>
#include <asm/system.h>
/**
@@ -57,7 +58,7 @@ static inline int atomic_add_return(int i, atomic_t *v)
unsigned long flags;
int temp;
- raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */
+ raw_local_irq_save(flags); /* Don't trace it in an irqsoff handler */
temp = v->counter;
temp += i;
v->counter = temp;
@@ -78,7 +79,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
unsigned long flags;
int temp;
- raw_local_irq_save(flags); /* Don't trace it in a irqsoff handler */
+ raw_local_irq_save(flags); /* Don't trace it in an irqsoff handler */
temp = v->counter;
temp -= i;
v->counter = temp;
@@ -119,14 +120,23 @@ static inline void atomic_dec(atomic_t *v)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)
-#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_xchg(ptr, v) (xchg(&(ptr)->counter, (v)))
+#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
+
+#define cmpxchg_local(ptr, o, n) \
+ ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+ (unsigned long)(n), sizeof(*(ptr))))
+
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+static inline int atomic_add_unless(atomic_t *v, int a, int u)
+{
+ int c, old;
+ c = atomic_read(v);
+ while (c != u && (old = atomic_cmpxchg(v, c, c + a)) != c)
+ c = old;
+ return c != u;
+}
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
@@ -140,15 +150,6 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
raw_local_irq_restore(flags);
}
-#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v)))
-#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
-
-#define cmpxchg_local(ptr, o, n) \
- ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
- (unsigned long)(n), sizeof(*(ptr))))
-
-#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
-
/* Assume that atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h
index 1914e9742512..110fa700f853 100644
--- a/include/asm-generic/bitops/find.h
+++ b/include/asm-generic/bitops/find.h
@@ -1,15 +1,50 @@
#ifndef _ASM_GENERIC_BITOPS_FIND_H_
#define _ASM_GENERIC_BITOPS_FIND_H_
-#ifndef CONFIG_GENERIC_FIND_NEXT_BIT
+/**
+ * find_next_bit - find the next set bit in a memory region
+ * @addr: The address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The bitmap size in bits
+ */
extern unsigned long find_next_bit(const unsigned long *addr, unsigned long
size, unsigned long offset);
+/**
+ * find_next_zero_bit - find the next cleared bit in a memory region
+ * @addr: The address to base the search on
+ * @offset: The bitnumber to start searching at
+ * @size: The bitmap size in bits
+ */
extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned
long size, unsigned long offset);
-#endif
+
+#ifdef CONFIG_GENERIC_FIND_FIRST_BIT
+
+/**
+ * find_first_bit - find the first set bit in a memory region
+ * @addr: The address to start the search at
+ * @size: The maximum size to search
+ *
+ * Returns the bit number of the first set bit.
+ */
+extern unsigned long find_first_bit(const unsigned long *addr,
+ unsigned long size);
+
+/**
+ * find_first_zero_bit - find the first cleared bit in a memory region
+ * @addr: The address to start the search at
+ * @size: The maximum size to search
+ *
+ * Returns the bit number of the first cleared bit.
+ */
+extern unsigned long find_first_zero_bit(const unsigned long *addr,
+ unsigned long size);
+#else /* CONFIG_GENERIC_FIND_FIRST_BIT */
#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
#define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
+#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */
+
#endif /*_ASM_GENERIC_BITOPS_FIND_H_ */
diff --git a/include/asm-generic/cmpxchg-local.h b/include/asm-generic/cmpxchg-local.h
index b2ba2fc8829a..2533fddd34a6 100644
--- a/include/asm-generic/cmpxchg-local.h
+++ b/include/asm-generic/cmpxchg-local.h
@@ -2,6 +2,7 @@
#define __ASM_GENERIC_CMPXCHG_LOCAL_H
#include <linux/types.h>
+#include <linux/irqflags.h>
extern unsigned long wrong_size_cmpxchg(volatile void *ptr);
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index a70b2d2bfc14..0fc16e3f0bfc 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -122,7 +122,7 @@
struct f_owner_ex {
int type;
- pid_t pid;
+ __kernel_pid_t pid;
};
/* for F_[GET|SET]FL */
diff --git a/include/asm-generic/hardirq.h b/include/asm-generic/hardirq.h
index 62f59080e5cc..04d0a977cd43 100644
--- a/include/asm-generic/hardirq.h
+++ b/include/asm-generic/hardirq.h
@@ -3,13 +3,13 @@
#include <linux/cache.h>
#include <linux/threads.h>
-#include <linux/irq.h>
typedef struct {
unsigned int __softirq_pending;
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
+#include <linux/irq.h>
#ifndef ack_bad_irq
static inline void ack_bad_irq(unsigned int irq)
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 118601fce92d..3577ca11a0be 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -19,7 +19,9 @@
#include <asm-generic/iomap.h>
#endif
+#ifndef mmiowb
#define mmiowb() do {} while (0)
+#endif
/*****************************************************************************/
/*
@@ -28,39 +30,51 @@
* differently. On the simple architectures, we just read/write the
* memory location directly.
*/
+#ifndef __raw_readb
static inline u8 __raw_readb(const volatile void __iomem *addr)
{
return *(const volatile u8 __force *) addr;
}
+#endif
+#ifndef __raw_readw
static inline u16 __raw_readw(const volatile void __iomem *addr)
{
return *(const volatile u16 __force *) addr;
}
+#endif
+#ifndef __raw_readl
static inline u32 __raw_readl(const volatile void __iomem *addr)
{
return *(const volatile u32 __force *) addr;
}
+#endif
#define readb __raw_readb
#define readw(addr) __le16_to_cpu(__raw_readw(addr))
#define readl(addr) __le32_to_cpu(__raw_readl(addr))
+#ifndef __raw_writeb
static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
{
*(volatile u8 __force *) addr = b;
}
+#endif
+#ifndef __raw_writew
static inline void __raw_writew(u16 b, volatile void __iomem *addr)
{
*(volatile u16 __force *) addr = b;
}
+#endif
+#ifndef __raw_writel
static inline void __raw_writel(u32 b, volatile void __iomem *addr)
{
*(volatile u32 __force *) addr = b;
}
+#endif
#define writeb __raw_writeb
#define writew(b,addr) __raw_writew(__cpu_to_le16(b),addr)
@@ -122,6 +136,7 @@ static inline void outl(u32 b, unsigned long addr)
#define outw_p(x, addr) outw((x), (addr))
#define outl_p(x, addr) outl((x), (addr))
+#ifndef insb
static inline void insb(unsigned long addr, void *buffer, int count)
{
if (count) {
@@ -132,7 +147,9 @@ static inline void insb(unsigned long addr, void *buffer, int count)
} while (--count);
}
}
+#endif
+#ifndef insw
static inline void insw(unsigned long addr, void *buffer, int count)
{
if (count) {
@@ -143,7 +160,9 @@ static inline void insw(unsigned long addr, void *buffer, int count)
} while (--count);
}
}
+#endif
+#ifndef insl
static inline void insl(unsigned long addr, void *buffer, int count)
{
if (count) {
@@ -154,7 +173,9 @@ static inline void insl(unsigned long addr, void *buffer, int count)
} while (--count);
}
}
+#endif
+#ifndef outsb
static inline void outsb(unsigned long addr, const void *buffer, int count)
{
if (count) {
@@ -164,7 +185,9 @@ static inline void outsb(unsigned long addr, const void *buffer, int count)
} while (--count);
}
}
+#endif
+#ifndef outsw
static inline void outsw(unsigned long addr, const void *buffer, int count)
{
if (count) {
@@ -174,7 +197,9 @@ static inline void outsw(unsigned long addr, const void *buffer, int count)
} while (--count);
}
}
+#endif
+#ifndef outsl
static inline void outsl(unsigned long addr, const void *buffer, int count)
{
if (count) {
@@ -184,6 +209,7 @@ static inline void outsl(unsigned long addr, const void *buffer, int count)
} while (--count);
}
}
+#endif
#ifndef CONFIG_GENERIC_IOMAP
#define ioread8(addr) readb(addr)
diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h
index 8554cb6a81b9..a3216655d657 100644
--- a/include/asm-generic/ioctls.h
+++ b/include/asm-generic/ioctls.h
@@ -62,7 +62,9 @@
#define TCSETSW2 _IOW('T', 0x2C, struct termios2)
#define TCSETSF2 _IOW('T', 0x2D, struct termios2)
#define TIOCGRS485 0x542E
+#ifndef TIOCSRS485
#define TIOCSRS485 0x542F
+#endif
#define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */
#define TCGETX 0x5432 /* SYS5 TCGETX compatibility */
diff --git a/include/asm-generic/irqflags.h b/include/asm-generic/irqflags.h
index 9aebf618275a..1f40d0024cf3 100644
--- a/include/asm-generic/irqflags.h
+++ b/include/asm-generic/irqflags.h
@@ -5,68 +5,62 @@
* All architectures should implement at least the first two functions,
* usually inline assembly will be the best way.
*/
-#ifndef RAW_IRQ_DISABLED
-#define RAW_IRQ_DISABLED 0
-#define RAW_IRQ_ENABLED 1
+#ifndef ARCH_IRQ_DISABLED
+#define ARCH_IRQ_DISABLED 0
+#define ARCH_IRQ_ENABLED 1
#endif
/* read interrupt enabled status */
-#ifndef __raw_local_save_flags
-unsigned long __raw_local_save_flags(void);
+#ifndef arch_local_save_flags
+unsigned long arch_local_save_flags(void);
#endif
/* set interrupt enabled status */
-#ifndef raw_local_irq_restore
-void raw_local_irq_restore(unsigned long flags);
+#ifndef arch_local_irq_restore
+void arch_local_irq_restore(unsigned long flags);
#endif
/* get status and disable interrupts */
-#ifndef __raw_local_irq_save
-static inline unsigned long __raw_local_irq_save(void)
+#ifndef arch_local_irq_save
+static inline unsigned long arch_local_irq_save(void)
{
unsigned long flags;
- flags = __raw_local_save_flags();
- raw_local_irq_restore(RAW_IRQ_DISABLED);
+ flags = arch_local_save_flags();
+ arch_local_irq_restore(ARCH_IRQ_DISABLED);
return flags;
}
#endif
/* test flags */
-#ifndef raw_irqs_disabled_flags
-static inline int raw_irqs_disabled_flags(unsigned long flags)
+#ifndef arch_irqs_disabled_flags
+static inline int arch_irqs_disabled_flags(unsigned long flags)
{
- return flags == RAW_IRQ_DISABLED;
+ return flags == ARCH_IRQ_DISABLED;
}
#endif
/* unconditionally enable interrupts */
-#ifndef raw_local_irq_enable
-static inline void raw_local_irq_enable(void)
+#ifndef arch_local_irq_enable
+static inline void arch_local_irq_enable(void)
{
- raw_local_irq_restore(RAW_IRQ_ENABLED);
+ arch_local_irq_restore(ARCH_IRQ_ENABLED);
}
#endif
/* unconditionally disable interrupts */
-#ifndef raw_local_irq_disable
-static inline void raw_local_irq_disable(void)
+#ifndef arch_local_irq_disable
+static inline void arch_local_irq_disable(void)
{
- raw_local_irq_restore(RAW_IRQ_DISABLED);
+ arch_local_irq_restore(ARCH_IRQ_DISABLED);
}
#endif
/* test hardware interrupt enable bit */
-#ifndef raw_irqs_disabled
-static inline int raw_irqs_disabled(void)
+#ifndef arch_irqs_disabled
+static inline int arch_irqs_disabled(void)
{
- return raw_irqs_disabled_flags(__raw_local_save_flags());
+ return arch_irqs_disabled_flags(arch_local_save_flags());
}
#endif
-#define raw_local_save_flags(flags) \
- do { (flags) = __raw_local_save_flags(); } while (0)
-
-#define raw_local_irq_save(flags) \
- do { (flags) = __raw_local_irq_save(); } while (0)
-
#endif /* __ASM_GENERIC_IRQFLAGS_H */
diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h
index 11e57b6a85fc..d1814497bcdb 100644
--- a/include/asm-generic/kdebug.h
+++ b/include/asm-generic/kdebug.h
@@ -3,7 +3,7 @@
enum die_val {
DIE_UNUSED,
- DIE_OOPS=1
+ DIE_OOPS = 1,
};
#endif /* _ASM_GENERIC_KDEBUG_H */
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 08923b684768..d17784ea37ff 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -55,14 +55,18 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
*/
#define per_cpu(var, cpu) \
(*SHIFT_PERCPU_PTR(&(var), per_cpu_offset(cpu)))
-#define __get_cpu_var(var) \
- (*SHIFT_PERCPU_PTR(&(var), my_cpu_offset))
-#define __raw_get_cpu_var(var) \
- (*SHIFT_PERCPU_PTR(&(var), __my_cpu_offset))
-#define this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, my_cpu_offset)
+#ifndef __this_cpu_ptr
#define __this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
+#endif
+#ifdef CONFIG_DEBUG_PREEMPT
+#define this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, my_cpu_offset)
+#else
+#define this_cpu_ptr(ptr) __this_cpu_ptr(ptr)
+#endif
+#define __get_cpu_var(var) (*this_cpu_ptr(&(var)))
+#define __raw_get_cpu_var(var) (*__this_cpu_ptr(&(var)))
#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA
extern void setup_per_cpu_areas(void);
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index e2bd73e8f9c0..6f3c6ae4fe03 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -108,7 +108,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
#endif
#ifndef __HAVE_ARCH_PAGE_CLEAR_DIRTY
-#define page_clear_dirty(page) do { } while (0)
+#define page_clear_dirty(page, mapped) do { } while (0)
#endif
#ifndef __HAVE_ARCH_PAGE_TEST_DIRTY
@@ -129,6 +129,10 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
#define move_pte(pte, prot, old_addr, new_addr) (pte)
#endif
+#ifndef flush_tlb_fix_spurious_fault
+#define flush_tlb_fix_spurious_fault(vma, address) flush_tlb_page(vma, address)
+#endif
+
#ifndef pgprot_noncached
#define pgprot_noncached(prot) (prot)
#endif
diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h
index efa403b5e121..4b0b9cbbfae5 100644
--- a/include/asm-generic/system.h
+++ b/include/asm-generic/system.h
@@ -21,6 +21,7 @@
#include <linux/irqflags.h>
#include <asm/cmpxchg-local.h>
+#include <asm/cmpxchg.h>
struct task_struct;
@@ -136,25 +137,6 @@ unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
#define xchg(ptr, x) \
((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-static inline unsigned long __cmpxchg(volatile unsigned long *m,
- unsigned long old, unsigned long new)
-{
- unsigned long retval;
- unsigned long flags;
-
- local_irq_save(flags);
- retval = *m;
- if (retval == old)
- *m = new;
- local_irq_restore(flags);
- return retval;
-}
-
-#define cmpxchg(ptr, o, n) \
- ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \
- (unsigned long)(o), \
- (unsigned long)(n)))
-
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 8a92a170fb7d..f4229fb315e1 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -220,6 +220,8 @@
\
BUG_TABLE \
\
+ JUMP_TABLE \
+ \
/* PCI quirks */ \
.pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
@@ -563,6 +565,14 @@
#define BUG_TABLE
#endif
+#define JUMP_TABLE \
+ . = ALIGN(8); \
+ __jump_table : AT(ADDR(__jump_table) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__start___jump_table) = .; \
+ *(__jump_table) \
+ VMLINUX_SYMBOL(__stop___jump_table) = .; \
+ }
+
#ifdef CONFIG_PM_TRACE
#define TRACEDATA \
. = ALIGN(4); \
@@ -677,7 +687,9 @@
- LOAD_OFFSET) { \
VMLINUX_SYMBOL(__per_cpu_start) = .; \
*(.data..percpu..first) \
+ . = ALIGN(PAGE_SIZE); \
*(.data..percpu..page_aligned) \
+ *(.data..percpu..readmostly) \
*(.data..percpu) \
*(.data..percpu..shared_aligned) \
VMLINUX_SYMBOL(__per_cpu_end) = .; \
@@ -703,7 +715,9 @@
VMLINUX_SYMBOL(__per_cpu_load) = .; \
VMLINUX_SYMBOL(__per_cpu_start) = .; \
*(.data..percpu..first) \
+ . = ALIGN(PAGE_SIZE); \
*(.data..percpu..page_aligned) \
+ *(.data..percpu..readmostly) \
*(.data..percpu) \
*(.data..percpu..shared_aligned) \
VMLINUX_SYMBOL(__per_cpu_end) = .; \