diff options
Diffstat (limited to 'arch/xtensa')
-rw-r--r-- | arch/xtensa/Kconfig | 13 | ||||
-rw-r--r-- | arch/xtensa/configs/iss_defconfig | 1 | ||||
-rw-r--r-- | arch/xtensa/configs/s6105_defconfig | 1 | ||||
-rw-r--r-- | arch/xtensa/include/asm/atomic.h | 10 | ||||
-rw-r--r-- | arch/xtensa/include/asm/bitops.h | 14 | ||||
-rw-r--r-- | arch/xtensa/include/asm/posix_types.h | 2 | ||||
-rw-r--r-- | arch/xtensa/include/asm/ptrace.h | 1 | ||||
-rw-r--r-- | arch/xtensa/include/asm/uaccess.h | 4 | ||||
-rw-r--r-- | arch/xtensa/include/asm/unistd.h | 5 | ||||
-rw-r--r-- | arch/xtensa/kernel/module.c | 43 | ||||
-rw-r--r-- | arch/xtensa/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/xtensa/kernel/signal.c | 2 | ||||
-rw-r--r-- | arch/xtensa/mm/fault.c | 2 | ||||
-rw-r--r-- | arch/xtensa/platforms/iss/network.c | 2 | ||||
-rw-r--r-- | arch/xtensa/variants/s6000/include/variant/dmac.h | 2 |
15 files changed, 18 insertions, 86 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 5d43c1f..c346ccd 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -80,18 +80,7 @@ config XTENSA_UNALIGNED_USER Say Y here to enable unaligned memory access in user space. -config PREEMPT - bool "Preemptible Kernel" - help - This option reduces the latency of the kernel when reacting to - real-time or interactive events by allowing a low priority process to - be preempted even if it is in kernel mode executing a system call. - Unfortunately the kernel code has some race conditions if both - CONFIG_SMP and CONFIG_PREEMPT are enabled, so this option is - currently disabled if you are building an SMP kernel. - - Say Y here if you are building a kernel for a desktop, embedded - or real-time system. Say N if you are unsure. +source "kernel/Kconfig.preempt" config MATH_EMULATION bool "Math emulation" diff --git a/arch/xtensa/configs/iss_defconfig b/arch/xtensa/configs/iss_defconfig index 0234cd1..f932b30 100644 --- a/arch/xtensa/configs/iss_defconfig +++ b/arch/xtensa/configs/iss_defconfig @@ -15,7 +15,6 @@ CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_NO_IOPORT=y CONFIG_HZ=100 -CONFIG_GENERIC_TIME=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_CONSTRUCTORS=y diff --git a/arch/xtensa/configs/s6105_defconfig b/arch/xtensa/configs/s6105_defconfig index 4891abb..550e8ed 100644 --- a/arch/xtensa/configs/s6105_defconfig +++ b/arch/xtensa/configs/s6105_defconfig @@ -15,7 +15,6 @@ CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_NO_IOPORT=y CONFIG_HZ=100 -CONFIG_GENERIC_TIME=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index a96a061..23592ef 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -225,15 +225,15 @@ static inline int atomic_sub_return(int i, atomic_t * v) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** - * atomic_add_unless - add unless the number is a given value + * __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. + * Returns the old value of @v. */ -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -245,10 +245,9 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) { @@ -292,7 +291,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include <asm-generic/atomic-long.h> #endif /* __KERNEL__ */ #endif /* _XTENSA_ATOMIC_H */ diff --git a/arch/xtensa/include/asm/bitops.h b/arch/xtensa/include/asm/bitops.h index c8fac8d..40aa7fe 100644 --- a/arch/xtensa/include/asm/bitops.h +++ b/arch/xtensa/include/asm/bitops.h @@ -108,19 +108,7 @@ static inline unsigned long __fls(unsigned long word) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/le.h> -#ifdef __XTENSA_EL__ -# define ext2_set_bit_atomic(lock,nr,addr) \ - test_and_set_bit((nr), (unsigned long*)(addr)) -# define ext2_clear_bit_atomic(lock,nr,addr) \ - test_and_clear_bit((nr), (unsigned long*)(addr)) -#elif defined(__XTENSA_EB__) -# define ext2_set_bit_atomic(lock,nr,addr) \ - test_and_set_bit((nr) ^ 0x18, (unsigned long*)(addr)) -# define ext2_clear_bit_atomic(lock,nr,addr) \ - test_and_clear_bit((nr) ^ 0x18, (unsigned long*)(addr)) -#else -# error processor byte order undefined! -#endif +#include <asm-generic/bitops/ext2-atomic-setbit.h> #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> diff --git a/arch/xtensa/include/asm/posix_types.h b/arch/xtensa/include/asm/posix_types.h index 43f9dd1..6b2190c 100644 --- a/arch/xtensa/include/asm/posix_types.h +++ b/arch/xtensa/include/asm/posix_types.h @@ -58,7 +58,7 @@ typedef struct { #define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) -#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) +#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) #define __FD_ZERO(set) \ ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h index 0d42c93..d85d38d 100644 --- a/arch/xtensa/include/asm/ptrace.h +++ b/arch/xtensa/include/asm/ptrace.h @@ -120,7 +120,6 @@ struct pt_regs { (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1) # define user_mode(regs) (((regs)->ps & 0x00000020)!=0) # define instruction_pointer(regs) ((regs)->pc) -extern void show_regs(struct pt_regs *); # ifndef CONFIG_SMP # define profile_pc(regs) instruction_pointer(regs) diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h index 5b0c18c..3fa526f 100644 --- a/arch/xtensa/include/asm/uaccess.h +++ b/arch/xtensa/include/asm/uaccess.h @@ -17,6 +17,8 @@ #define _XTENSA_UACCESS_H #include <linux/errno.h> +#include <linux/prefetch.h> +#include <asm/types.h> #define VERIFY_READ 0 #define VERIFY_WRITE 1 @@ -26,7 +28,6 @@ #include <asm/current.h> #include <asm/asm-offsets.h> #include <asm/processor.h> -#include <asm/types.h> /* * These assembly macros mirror the C macros that follow below. They @@ -157,7 +158,6 @@ #else /* __ASSEMBLY__ not defined */ #include <linux/sched.h> -#include <asm/types.h> /* * The fs value determines whether argument validity checking should diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h index a6f934f..7ab1f52 100644 --- a/arch/xtensa/include/asm/unistd.h +++ b/arch/xtensa/include/asm/unistd.h @@ -394,7 +394,8 @@ __SYSCALL(174, sys_chroot, 1) #define __NR_pivot_root 175 __SYSCALL(175, sys_pivot_root, 2) #define __NR_umount 176 -__SYSCALL(176, sys_umount, 2) +__SYSCALL(176, sys_oldumount, 1) +#define __ARCH_WANT_SYS_OLDUMOUNT #define __NR_swapoff 177 __SYSCALL(177, sys_swapoff, 1) #define __NR_sync 178 @@ -455,7 +456,7 @@ __SYSCALL(203, sys_reboot, 3) #define __NR_quotactl 204 __SYSCALL(204, sys_quotactl, 4) #define __NR_nfsservctl 205 -__SYSCALL(205, sys_nfsservctl, 3) +__SYSCALL(205, sys_ni_syscall, 0) #define __NR__sysctl 206 __SYSCALL(206, sys_sysctl, 1) #define __NR_bdflush 207 diff --git a/arch/xtensa/kernel/module.c b/arch/xtensa/kernel/module.c index c1accea..451dda9 100644 --- a/arch/xtensa/kernel/module.c +++ b/arch/xtensa/kernel/module.c @@ -24,26 +24,6 @@ #undef DEBUG_RELOCATE -void *module_alloc(unsigned long size) -{ - if (size == 0) - return NULL; - return vmalloc_exec(size); -} - -void module_free(struct module *mod, void *module_region) -{ - vfree(module_region); -} - -int module_frob_arch_sections(Elf32_Ehdr *hdr, - Elf32_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - return 0; -} - static int decode_calln_opcode (unsigned char *location) { @@ -66,18 +46,6 @@ decode_l32r_opcode (unsigned char *location) #endif } -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *mod) -{ - printk(KERN_ERR "module %s: REL RELOCATION unsupported\n", - mod->name); - return -ENOEXEC; - -} - int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, @@ -222,14 +190,3 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, } return 0; } - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *mod) -{ - return 0; -} - -void module_arch_cleanup(struct module *mod) -{ -} diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index e3558b9..47041e7 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -40,7 +40,7 @@ #include <asm/platform.h> #include <asm/mmu.h> #include <asm/irq.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/asm-offsets.h> #include <asm/regs.h> diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c index f2220b5..cf3e9cb 100644 --- a/arch/xtensa/kernel/signal.c +++ b/arch/xtensa/kernel/signal.c @@ -346,7 +346,7 @@ static void setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info, sp = regs->areg[1]; - if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! on_sig_stack(sp)) { + if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && sas_ss_flags(sp) == 0) { sp = current->sas_ss_sp + current->sas_ss_size; } diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index e367e30..4439a1d 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -109,6 +109,8 @@ good_area: if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; + else if (fault & VM_FAULT_SIGSEGV) + goto bad_area; else if (fault & VM_FAULT_SIGBUS) goto do_sigbus; BUG(); diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c index f717e20..7dde244 100644 --- a/arch/xtensa/platforms/iss/network.c +++ b/arch/xtensa/platforms/iss/network.c @@ -633,7 +633,7 @@ static const struct net_device_ops iss_netdev_ops = { .ndo_set_mac_address = iss_net_set_mac, //.ndo_do_ioctl = iss_net_ioctl, .ndo_tx_timeout = iss_net_tx_timeout, - .ndo_set_multicast_list = iss_net_set_multicast_list, + .ndo_set_rx_mode = iss_net_set_multicast_list, }; static int iss_net_configure(int index, char *init) diff --git a/arch/xtensa/variants/s6000/include/variant/dmac.h b/arch/xtensa/variants/s6000/include/variant/dmac.h index 89ab948..e81735b 100644 --- a/arch/xtensa/variants/s6000/include/variant/dmac.h +++ b/arch/xtensa/variants/s6000/include/variant/dmac.h @@ -357,7 +357,7 @@ static inline u32 s6dmac_channel_enabled(u32 dmac, int chan) static inline void s6dmac_dp_setup_group(u32 dmac, int port, int nrch, int frrep) { - const static u8 mask[4] = {0, 3, 1, 2}; + static const u8 mask[4] = {0, 3, 1, 2}; BUG_ON(dmac != S6_REG_DPDMA); if ((port < 0) || (port > 3) || (nrch < 1) || (nrch > 4)) return; |