diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/calls.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/entry-armv.S | 2 | ||||
-rw-r--r-- | arch/arm/kernel/setup.c | 5 | ||||
-rw-r--r-- | arch/arm/kernel/smp.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/sys_oabi-compat.c | 30 | ||||
-rw-r--r-- | arch/arm/kernel/traps.c | 8 |
6 files changed, 45 insertions, 3 deletions
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 8c3035d5ffc..3173924a9b6 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -111,7 +111,7 @@ CALL(sys_statfs) /* 100 */ CALL(sys_fstatfs) CALL(sys_ni_syscall) - CALL(OBSOLETE(sys_socketcall)) + CALL(OBSOLETE(ABI(sys_socketcall, sys_oabi_socketcall))) CALL(sys_syslog) CALL(sys_setitimer) /* 105 */ CALL(sys_getitimer) diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 964cd717506..ec48d70c6d8 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -566,7 +566,7 @@ ENTRY(__switch_to) ldr r6, [r2, #TI_CPU_DOMAIN]! #endif #if __LINUX_ARM_ARCH__ >= 6 -#ifdef CONFIG_CPU_MPCORE +#ifdef CONFIG_CPU_32v6K clrex #else strex r5, r4, [ip] @ Clear exclusive monitor diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index c45d10d07bd..68273b4dc88 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/interrupt.h> +#include <linux/smp.h> #include <asm/cpu.h> #include <asm/elf.h> @@ -771,6 +772,10 @@ void __init setup_arch(char **cmdline_p) paging_init(&meminfo, mdesc); request_standard_resources(&meminfo, mdesc); +#ifdef CONFIG_SMP + smp_init_cpus(); +#endif + cpu_init(); /* diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 7338948bd7d..02aa300c463 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -338,7 +338,6 @@ void __init smp_prepare_boot_cpu(void) per_cpu(cpu_data, cpu).idle = current; - cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_online_map); } diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 9d4b76409c6..8e2f9bc3368 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -64,6 +64,7 @@ * sys_connect: * sys_sendmsg: * sys_sendto: + * sys_socketcall: * * struct sockaddr_un loses its padding with EABI. Since the size of the * structure is used as a validation test in unix_mkname(), we need to @@ -78,6 +79,7 @@ #include <linux/eventpoll.h> #include <linux/sem.h> #include <linux/socket.h> +#include <linux/net.h> #include <asm/ipc.h> #include <asm/uaccess.h> @@ -408,3 +410,31 @@ asmlinkage long sys_oabi_sendmsg(int fd, struct msghdr __user *msg, unsigned fla return sys_sendmsg(fd, msg, flags); } +asmlinkage long sys_oabi_socketcall(int call, unsigned long __user *args) +{ + unsigned long r = -EFAULT, a[6]; + + switch (call) { + case SYS_BIND: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_bind(a[0], (struct sockaddr __user *)a[1], a[2]); + break; + case SYS_CONNECT: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_connect(a[0], (struct sockaddr __user *)a[1], a[2]); + break; + case SYS_SENDTO: + if (copy_from_user(a, args, 6 * sizeof(long)) == 0) + r = sys_oabi_sendto(a[0], (void __user *)a[1], a[2], a[3], + (struct sockaddr __user *)a[4], a[5]); + break; + case SYS_SENDMSG: + if (copy_from_user(a, args, 3 * sizeof(long)) == 0) + r = sys_oabi_sendmsg(a[0], (struct msghdr __user *)a[1], a[2]); + break; + default: + r = sys_socketcall(call, args); + } + + return r; +} diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 10235b01582..03924bcc612 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -19,6 +19,7 @@ #include <linux/personality.h> #include <linux/ptrace.h> #include <linux/kallsyms.h> +#include <linux/delay.h> #include <linux/init.h> #include <asm/atomic.h> @@ -231,6 +232,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) __die(str, err, thread, regs); bust_spinlocks(0); spin_unlock_irq(&die_lock); + + if (panic_on_oops) { + printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n"); + ssleep(5); + panic("Fatal exception"); + } + do_exit(SIGSEGV); } |