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-rw-r--r--arch/mips/include/asm/abi.h6
-rw-r--r--arch/mips/include/asm/cmpxchg.h2
-rw-r--r--arch/mips/include/asm/elf.h5
-rw-r--r--arch/mips/include/asm/fpu_emulator.h6
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h15
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h6
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h4
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h2
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h2
-rw-r--r--arch/mips/include/asm/mach-loongson/loongson.h2
-rw-r--r--arch/mips/include/asm/mach-sibyte/war.h6
-rw-r--r--arch/mips/include/asm/mmu.h5
-rw-r--r--arch/mips/include/asm/mmu_context.h2
-rw-r--r--arch/mips/include/asm/page.h6
-rw-r--r--arch/mips/include/asm/pgtable-64.h9
-rw-r--r--arch/mips/include/asm/processor.h11
-rw-r--r--arch/mips/include/asm/ptrace.h4
-rw-r--r--arch/mips/include/asm/stackframe.h19
-rw-r--r--arch/mips/include/asm/uasm.h20
-rw-r--r--arch/mips/include/asm/vdso.h29
20 files changed, 144 insertions, 17 deletions
diff --git a/arch/mips/include/asm/abi.h b/arch/mips/include/asm/abi.h
index 1dd74fbdc09..9252d9b50e5 100644
--- a/arch/mips/include/asm/abi.h
+++ b/arch/mips/include/asm/abi.h
@@ -13,12 +13,14 @@
#include <asm/siginfo.h>
struct mips_abi {
- int (* const setup_frame)(struct k_sigaction * ka,
+ int (* const setup_frame)(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr,
sigset_t *set);
- int (* const setup_rt_frame)(struct k_sigaction * ka,
+ const unsigned long signal_return_offset;
+ int (* const setup_rt_frame)(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr,
sigset_t *set, siginfo_t *info);
+ const unsigned long rt_signal_return_offset;
const unsigned long restart;
};
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h
index ed9aaaaf074..2d28017e95d 100644
--- a/arch/mips/include/asm/cmpxchg.h
+++ b/arch/mips/include/asm/cmpxchg.h
@@ -16,7 +16,7 @@
({ \
__typeof(*(m)) __ret; \
\
- if (kernel_uses_llsc && R10000_LLSC_WAR) { \
+ if (kernel_uses_llsc && R10000_LLSC_WAR) { \
__asm__ __volatile__( \
" .set push \n" \
" .set noat \n" \
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index e53d7bed5cd..ea77a42c5f8 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -310,6 +310,7 @@ do { \
#endif /* CONFIG_64BIT */
+struct pt_regs;
struct task_struct;
extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs);
@@ -367,4 +368,8 @@ extern const char *__elf_platform;
#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
#endif
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+ int uses_interp);
#endif /* _ASM_ELF_H */
diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h
index aecada6f611..3b409270556 100644
--- a/arch/mips/include/asm/fpu_emulator.h
+++ b/arch/mips/include/asm/fpu_emulator.h
@@ -41,7 +41,11 @@ struct mips_fpu_emulator_stats {
DECLARE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
#define MIPS_FPU_EMU_INC_STATS(M) \
- cpu_local_wrap(__local_inc(&__get_cpu_var(fpuemustats).M))
+do { \
+ preempt_disable(); \
+ __local_inc(&__get_cpu_var(fpuemustats).M); \
+ preempt_enable(); \
+} while (0)
#else
#define MIPS_FPU_EMU_INC_STATS(M) do { } while (0)
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
index b12c4aca2cc..96a2391ad85 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
@@ -85,6 +85,7 @@ enum bcm63xx_regs_set {
RSET_TIMER,
RSET_WDT,
RSET_UART0,
+ RSET_UART1,
RSET_GPIO,
RSET_SPI,
RSET_UDC0,
@@ -123,6 +124,7 @@ enum bcm63xx_regs_set {
#define BCM_6338_TIMER_BASE (0xfffe0200)
#define BCM_6338_WDT_BASE (0xfffe021c)
#define BCM_6338_UART0_BASE (0xfffe0300)
+#define BCM_6338_UART1_BASE (0xdeadbeef)
#define BCM_6338_GPIO_BASE (0xfffe0400)
#define BCM_6338_SPI_BASE (0xfffe0c00)
#define BCM_6338_UDC0_BASE (0xdeadbeef)
@@ -153,6 +155,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_TIMER_BASE (0xfffe0200)
#define BCM_6345_WDT_BASE (0xfffe021c)
#define BCM_6345_UART0_BASE (0xfffe0300)
+#define BCM_6345_UART1_BASE (0xdeadbeef)
#define BCM_6345_GPIO_BASE (0xfffe0400)
#define BCM_6345_SPI_BASE (0xdeadbeef)
#define BCM_6345_UDC0_BASE (0xdeadbeef)
@@ -182,6 +185,7 @@ enum bcm63xx_regs_set {
#define BCM_6348_TIMER_BASE (0xfffe0200)
#define BCM_6348_WDT_BASE (0xfffe021c)
#define BCM_6348_UART0_BASE (0xfffe0300)
+#define BCM_6348_UART1_BASE (0xdeadbeef)
#define BCM_6348_GPIO_BASE (0xfffe0400)
#define BCM_6348_SPI_BASE (0xfffe0c00)
#define BCM_6348_UDC0_BASE (0xfffe1000)
@@ -208,6 +212,7 @@ enum bcm63xx_regs_set {
#define BCM_6358_TIMER_BASE (0xfffe0040)
#define BCM_6358_WDT_BASE (0xfffe005c)
#define BCM_6358_UART0_BASE (0xfffe0100)
+#define BCM_6358_UART1_BASE (0xfffe0120)
#define BCM_6358_GPIO_BASE (0xfffe0080)
#define BCM_6358_SPI_BASE (0xdeadbeef)
#define BCM_6358_UDC0_BASE (0xfffe0800)
@@ -246,6 +251,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6338_WDT_BASE;
case RSET_UART0:
return BCM_6338_UART0_BASE;
+ case RSET_UART1:
+ return BCM_6338_UART1_BASE;
case RSET_GPIO:
return BCM_6338_GPIO_BASE;
case RSET_SPI:
@@ -292,6 +299,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6345_WDT_BASE;
case RSET_UART0:
return BCM_6345_UART0_BASE;
+ case RSET_UART1:
+ return BCM_6345_UART1_BASE;
case RSET_GPIO:
return BCM_6345_GPIO_BASE;
case RSET_SPI:
@@ -338,6 +347,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6348_WDT_BASE;
case RSET_UART0:
return BCM_6348_UART0_BASE;
+ case RSET_UART1:
+ return BCM_6348_UART1_BASE;
case RSET_GPIO:
return BCM_6348_GPIO_BASE;
case RSET_SPI:
@@ -384,6 +395,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6358_WDT_BASE;
case RSET_UART0:
return BCM_6358_UART0_BASE;
+ case RSET_UART1:
+ return BCM_6358_UART1_BASE;
case RSET_GPIO:
return BCM_6358_GPIO_BASE;
case RSET_SPI:
@@ -429,6 +442,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
enum bcm63xx_irq {
IRQ_TIMER = 0,
IRQ_UART0,
+ IRQ_UART1,
IRQ_DSL,
IRQ_ENET0,
IRQ_ENET1,
@@ -510,6 +524,7 @@ enum bcm63xx_irq {
*/
#define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0)
#define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2)
+#define BCM_6358_UART1_IRQ (IRQ_INTERNAL_BASE + 3)
#define BCM_6358_OHCI0_IRQ (IRQ_INTERNAL_BASE + 5)
#define BCM_6358_ENET1_IRQ (IRQ_INTERNAL_BASE + 6)
#define BCM_6358_ENET0_IRQ (IRQ_INTERNAL_BASE + 8)
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
new file mode 100644
index 00000000000..23c705baf17
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
@@ -0,0 +1,6 @@
+#ifndef BCM63XX_DEV_UART_H_
+#define BCM63XX_DEV_UART_H_
+
+int bcm63xx_uart_register(unsigned int id);
+
+#endif /* BCM63XX_DEV_UART_H_ */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 76a0b7216af..43d4da0b1e9 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -10,6 +10,10 @@ static inline unsigned long bcm63xx_gpio_count(void)
switch (bcm63xx_get_cpu_id()) {
case BCM6358_CPU_ID:
return 40;
+ case BCM6338_CPU_ID:
+ return 8;
+ case BCM6345_CPU_ID:
+ return 16;
case BCM6348_CPU_ID:
default:
return 37;
diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
index 6479090a410..474daaa5349 100644
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -45,6 +45,8 @@ struct board_info {
unsigned int has_ohci0:1;
unsigned int has_ehci0:1;
unsigned int has_dsp:1;
+ unsigned int has_uart0:1;
+ unsigned int has_uart1:1;
/* ethernet config */
struct bcm63xx_enet_platform_data enet0;
diff --git a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
index 71742bac940..f453c01d067 100644
--- a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
@@ -24,7 +24,7 @@
#define cpu_has_smartmips 0
#define cpu_has_vtag_icache 0
-#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCMCPU_IS_6348) || defined(CONFIG_CPU_IS_6338) || defined(CONFIG_CPU_IS_BCM6345))
+#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCM63XX_CPU_6348) || defined(CONFIG_BCM63XX_CPU_6345) || defined(CONFIG_BCM63XX_CPU_6338))
#define cpu_has_dc_aliases 0
#endif
diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h
index 1cf7b1401ee..fcdbe3a4ce1 100644
--- a/arch/mips/include/asm/mach-loongson/loongson.h
+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -307,7 +307,7 @@ extern unsigned long _loongson_addrwincfg_base;
*/
#define LOONGSON_ADDRWIN_CFG(s, d, w, src, dst, size) do {\
s##_WIN##w##_BASE = (src); \
- s##_WIN##w##_MMAP = (src) | ADDRWIN_MAP_DST_##d; \
+ s##_WIN##w##_MMAP = (dst) | ADDRWIN_MAP_DST_##d; \
s##_WIN##w##_MASK = ~(size-1); \
} while (0)
diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h
index 7950ef4f032..743385d7b5f 100644
--- a/arch/mips/include/asm/mach-sibyte/war.h
+++ b/arch/mips/include/asm/mach-sibyte/war.h
@@ -16,7 +16,11 @@
#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \
defined(CONFIG_SB1_PASS_2_WORKAROUNDS)
-#define BCM1250_M3_WAR 1
+#ifndef __ASSEMBLY__
+extern int sb1250_m3_workaround_needed(void);
+#endif
+
+#define BCM1250_M3_WAR sb1250_m3_workaround_needed()
#define SIBYTE_1956_WAR 1
#else
diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h
index 4063edd7962..c436138945a 100644
--- a/arch/mips/include/asm/mmu.h
+++ b/arch/mips/include/asm/mmu.h
@@ -1,6 +1,9 @@
#ifndef __ASM_MMU_H
#define __ASM_MMU_H
-typedef unsigned long mm_context_t[NR_CPUS];
+typedef struct {
+ unsigned long asid[NR_CPUS];
+ void *vdso;
+} mm_context_t;
#endif /* __ASM_MMU_H */
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index 145bb81ccaa..d9592733a7b 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -104,7 +104,7 @@ extern unsigned long smtc_asid_mask;
#endif
-#define cpu_context(cpu, mm) ((mm)->context[cpu])
+#define cpu_context(cpu, mm) ((mm)->context.asid[cpu])
#define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & ASID_MASK)
#define asid_cache(cpu) (cpu_data[cpu].asid_cache)
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index ac32572430f..a16beafcea9 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -188,8 +188,10 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
-#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
+#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
+ PHYS_OFFSET)
+#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
+ PHYS_OFFSET)
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 26dc69d792a..1be4b0fa30d 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -120,9 +120,14 @@
#endif
#define FIRST_USER_ADDRESS 0UL
-#define VMALLOC_START MAP_BASE
+/*
+ * TLB refill handlers also map the vmalloc area into xuseg. Avoid
+ * the first couple of pages so NULL pointer dereferences will still
+ * reliably trap.
+ */
+#define VMALLOC_START (MAP_BASE + (2 * PAGE_SIZE))
#define VMALLOC_END \
- (VMALLOC_START + \
+ (MAP_BASE + \
min(PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE, \
(1UL << cpu_vmbits)) - (1UL << 32))
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 087a8884ef0..ab387910009 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -33,13 +33,19 @@ extern void (*cpu_wait)(void);
extern unsigned int vced_count, vcei_count;
+/*
+ * A special page (the vdso) is mapped into all processes at the very
+ * top of the virtual memory space.
+ */
+#define SPECIAL_PAGES_SIZE PAGE_SIZE
+
#ifdef CONFIG_32BIT
/*
* User space process size: 2GB. This is hardcoded into a few places,
* so don't change it unless you know what you are doing.
*/
#define TASK_SIZE 0x7fff8000UL
-#define STACK_TOP TASK_SIZE
+#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - SPECIAL_PAGES_SIZE)
/*
* This decides where the kernel will search for a free chunk of vm
@@ -59,7 +65,8 @@ extern unsigned int vced_count, vcei_count;
#define TASK_SIZE32 0x7fff8000UL
#define TASK_SIZE 0x10000000000UL
#define STACK_TOP \
- (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
+ (((test_thread_flag(TIF_32BIT_ADDR) ? \
+ TASK_SIZE32 : TASK_SIZE) & PAGE_MASK) - SPECIAL_PAGES_SIZE)
/*
* This decides where the kernel will search for a free chunk of vm
diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index ce47118e52b..cdc6a46efd9 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -142,9 +142,9 @@ extern int ptrace_set_watch_regs(struct task_struct *child,
extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit);
-extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET;
+extern NORET_TYPE void die(const char *, struct pt_regs *) ATTRIB_NORET;
-static inline void die_if_kernel(const char *str, const struct pt_regs *regs)
+static inline void die_if_kernel(const char *str, struct pt_regs *regs)
{
if (unlikely(!user_mode(regs)))
die(str, regs);
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 3b6da3330e3..58730c5ce4b 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -121,6 +121,25 @@
.endm
#else
.macro get_saved_sp /* Uniprocessor variation */
+#ifdef CONFIG_CPU_JUMP_WORKAROUNDS
+ /*
+ * Clear BTB (branch target buffer), forbid RAS (return address
+ * stack) to workaround the Out-of-order Issue in Loongson2F
+ * via its diagnostic register.
+ */
+ move k0, ra
+ jal 1f
+ nop
+1: jal 1f
+ nop
+1: jal 1f
+ nop
+1: jal 1f
+ nop
+1: move ra, k0
+ li k0, 3
+ mtc0 k0, $22
+#endif /* CONFIG_CPU_LOONGSON2F */
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
lui k1, %hi(kernelsp)
#else
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index b99bd07e199..697e40c0649 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -84,6 +84,7 @@ Ip_u2s3u1(_lw);
Ip_u1u2u3(_mfc0);
Ip_u1u2u3(_mtc0);
Ip_u2u1u3(_ori);
+Ip_u3u1u2(_or);
Ip_u2s3u1(_pref);
Ip_0(_rfe);
Ip_u2s3u1(_sc);
@@ -102,6 +103,7 @@ Ip_0(_tlbwr);
Ip_u3u1u2(_xor);
Ip_u2u1u3(_xori);
Ip_u2u1msbu3(_dins);
+Ip_u1(_syscall);
/* Handle labels. */
struct uasm_label {
@@ -165,6 +167,24 @@ static inline void __cpuinit uasm_l##lb(struct uasm_label **lab, u32 *addr) \
#define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1)
#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3)
+static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
+ unsigned int a2, unsigned int a3)
+{
+ if (a3 < 32)
+ uasm_i_dsrl(p, a1, a2, a3);
+ else
+ uasm_i_dsrl32(p, a1, a2, a3 - 32);
+}
+
+static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
+ unsigned int a2, unsigned int a3)
+{
+ if (a3 < 32)
+ uasm_i_dsll(p, a1, a2, a3);
+ else
+ uasm_i_dsll32(p, a1, a2, a3 - 32);
+}
+
/* Handle relocations. */
struct uasm_reloc {
u32 *addr;
diff --git a/arch/mips/include/asm/vdso.h b/arch/mips/include/asm/vdso.h
new file mode 100644
index 00000000000..cca56aa40ff
--- /dev/null
+++ b/arch/mips/include/asm/vdso.h
@@ -0,0 +1,29 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2009 Cavium Networks
+ */
+
+#ifndef __ASM_VDSO_H
+#define __ASM_VDSO_H
+
+#include <linux/types.h>
+
+
+#ifdef CONFIG_32BIT
+struct mips_vdso {
+ u32 signal_trampoline[2];
+ u32 rt_signal_trampoline[2];
+};
+#else /* !CONFIG_32BIT */
+struct mips_vdso {
+ u32 o32_signal_trampoline[2];
+ u32 o32_rt_signal_trampoline[2];
+ u32 rt_signal_trampoline[2];
+ u32 n32_rt_signal_trampoline[2];
+};
+#endif /* CONFIG_32BIT */
+
+#endif /* __ASM_VDSO_H */