diff options
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/cache.c | 5 | ||||
| -rw-r--r-- | arch/parisc/kernel/parisc_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/pdc_chassis.c | 47 | ||||
| -rw-r--r-- | arch/parisc/kernel/process.c | 22 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/sys_parisc32.c | 41 | ||||
| -rw-r--r-- | arch/parisc/kernel/syscall_table.S | 8 | ||||
| -rw-r--r-- | arch/parisc/kernel/traps.c | 10 |
8 files changed, 34 insertions, 103 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 4b12890642eb..83ded26cad06 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -421,14 +421,11 @@ void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) /* Note: purge_tlb_entries can be called at startup with no context. */ - /* Disable preemption while we play with %sr1. */ - preempt_disable(); - mtsp(mm->context, 1); purge_tlb_start(flags); + mtsp(mm->context, 1); pdtlb(addr); pitlb(addr); purge_tlb_end(flags); - preempt_enable(); } EXPORT_SYMBOL(purge_tlb_entries); diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 6795dc6c995f..568b2c61ea02 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -120,11 +120,13 @@ extern void __ashrdi3(void); extern void __ashldi3(void); extern void __lshrdi3(void); extern void __muldi3(void); +extern void __ucmpdi2(void); EXPORT_SYMBOL(__ashrdi3); EXPORT_SYMBOL(__ashldi3); EXPORT_SYMBOL(__lshrdi3); EXPORT_SYMBOL(__muldi3); +EXPORT_SYMBOL(__ucmpdi2); asmlinkage void * __canonicalize_funcptr_for_compare(void *); EXPORT_SYMBOL(__canonicalize_funcptr_for_compare); diff --git a/arch/parisc/kernel/pdc_chassis.c b/arch/parisc/kernel/pdc_chassis.c index d47ba1aa8253..8fa314fbfb18 100644 --- a/arch/parisc/kernel/pdc_chassis.c +++ b/arch/parisc/kernel/pdc_chassis.c @@ -30,11 +30,13 @@ #endif #include <linux/init.h> +#include <linux/module.h> #include <linux/kernel.h> #include <linux/reboot.h> #include <linux/notifier.h> #include <linux/cache.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <asm/pdc_chassis.h> #include <asm/processor.h> @@ -244,38 +246,38 @@ int pdc_chassis_send_status(int message) #ifdef CONFIG_PDC_CHASSIS_WARN #ifdef CONFIG_PROC_FS -static int pdc_chassis_warn_pread(char *page, char **start, off_t off, - int count, int *eof, void *data) +static int pdc_chassis_warn_show(struct seq_file *m, void *v) { - char *out = page; - int len, ret; unsigned long warn; u32 warnreg; - ret = pdc_chassis_warn(&warn); - if (ret != PDC_OK) + if (pdc_chassis_warn(&warn) != PDC_OK) return -EIO; warnreg = (warn & 0xFFFFFFFF); if ((warnreg >> 24) & 0xFF) - out += sprintf(out, "Chassis component failure! (eg fan or PSU): 0x%.2x\n", ((warnreg >> 24) & 0xFF)); - - out += sprintf(out, "Battery: %s\n", (warnreg & 0x04) ? "Low!" : "OK"); - out += sprintf(out, "Temp low: %s\n", (warnreg & 0x02) ? "Exceeded!" : "OK"); - out += sprintf(out, "Temp mid: %s\n", (warnreg & 0x01) ? "Exceeded!" : "OK"); - - len = out - page - off; - if (len < count) { - *eof = 1; - if (len <= 0) return 0; - } else { - len = count; - } - *start = page + off; - return len; + seq_printf(m, "Chassis component failure! (eg fan or PSU): 0x%.2x\n", + (warnreg >> 24) & 0xFF); + + seq_printf(m, "Battery: %s\n", (warnreg & 0x04) ? "Low!" : "OK"); + seq_printf(m, "Temp low: %s\n", (warnreg & 0x02) ? "Exceeded!" : "OK"); + seq_printf(m, "Temp mid: %s\n", (warnreg & 0x01) ? "Exceeded!" : "OK"); + return 0; +} + +static int pdc_chassis_warn_open(struct inode *inode, struct file *file) +{ + return single_open(file, pdc_chassis_warn_show, NULL); } +static const struct file_operations pdc_chassis_warn_fops = { + .open = pdc_chassis_warn_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + static int __init pdc_chassis_create_procfs(void) { unsigned long test; @@ -290,8 +292,7 @@ static int __init pdc_chassis_create_procfs(void) printk(KERN_INFO "Enabling PDC chassis warnings support v%s\n", PDC_CHASSIS_VER); - create_proc_read_entry("chassis", 0400, NULL, pdc_chassis_warn_pread, - NULL); + proc_create("chassis", 0400, NULL, &pdc_chassis_warn_fops); return 0; } diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index d13507246c5d..55f92b614182 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -59,28 +59,6 @@ #include <asm/unwind.h> #include <asm/sections.h> -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle(void) -{ - set_thread_flag(TIF_POLLING_NRFLAG); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - barrier(); - rcu_idle_exit(); - schedule_preempt_disabled(); - check_pgt_cache(); - } -} - - #define COMMAND_GLOBAL F_EXTEND(0xfffe0030) #define CMD_RESET 5 /* reset any module */ diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 6266730efd61..fd1bb1519c2b 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -329,7 +329,7 @@ void __init smp_callin(void) local_irq_enable(); /* Interrupts have been off until now */ - cpu_idle(); /* Wait for timer to schedule some work */ + cpu_startup_entry(CPUHP_ONLINE); /* NOTREACHED */ panic("smp_callin() AAAAaaaaahhhh....\n"); diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index 051c8b90231f..f517e08e7f0d 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -60,47 +60,6 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23, return -ENOSYS; } -/* Note: it is necessary to treat out_fd and in_fd as unsigned ints, with the - * corresponding cast to a signed int to insure that the proper conversion - * (sign extension) between the register representation of a signed int (msr in - * 32-bit mode) and the register representation of a signed int (msr in 64-bit - * mode) is performed. - */ -asmlinkage long sys32_sendfile(u32 out_fd, u32 in_fd, - compat_off_t __user *offset, compat_size_t count) -{ - return compat_sys_sendfile((int)out_fd, (int)in_fd, offset, count); -} - -asmlinkage long sys32_sendfile64(u32 out_fd, u32 in_fd, - compat_loff_t __user *offset, compat_size_t count) -{ - return sys_sendfile64((int)out_fd, (int)in_fd, - (loff_t __user *)offset, count); -} - -asmlinkage long sys32_semctl(int semid, int semnum, int cmd, union semun arg) -{ - union semun u; - - if (cmd == SETVAL) { - /* Ugh. arg is a union of int,ptr,ptr,ptr, so is 8 bytes. - * The int should be in the first 4, but our argument - * frobbing has left it in the last 4. - */ - u.val = *((int *)&arg + 1); - return sys_semctl (semid, semnum, cmd, u); - } - return sys_semctl (semid, semnum, cmd, arg); -} - -long sys32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf, - size_t len) -{ - return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low, - buf, len); -} - asmlinkage long compat_sys_fanotify_mark(int fan_fd, int flags, u32 mask_hi, u32 mask_lo, int fd, const char __user *pathname) diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index f57dc137b8dd..0c9107285e66 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -198,7 +198,7 @@ ENTRY_SAME(madvise) ENTRY_SAME(clone_wrapper) /* 120 */ ENTRY_SAME(setdomainname) - ENTRY_DIFF(sendfile) + ENTRY_COMP(sendfile) /* struct sockaddr... */ ENTRY_SAME(recvfrom) /* struct timex contains longs */ @@ -282,7 +282,7 @@ ENTRY_COMP(recvmsg) ENTRY_SAME(semop) /* 185 */ ENTRY_SAME(semget) - ENTRY_DIFF(semctl) + ENTRY_COMP(semctl) ENTRY_COMP(msgsnd) ENTRY_COMP(msgrcv) ENTRY_SAME(msgget) /* 190 */ @@ -304,7 +304,7 @@ ENTRY_SAME(gettid) ENTRY_OURS(readahead) ENTRY_SAME(tkill) - ENTRY_DIFF(sendfile64) + ENTRY_COMP(sendfile64) ENTRY_COMP(futex) /* 210 */ ENTRY_COMP(sched_setaffinity) ENTRY_COMP(sched_getaffinity) @@ -318,7 +318,7 @@ ENTRY_SAME(alloc_hugepages) /* 220 */ ENTRY_SAME(free_hugepages) ENTRY_SAME(exit_group) - ENTRY_DIFF(lookup_dcookie) + ENTRY_COMP(lookup_dcookie) ENTRY_SAME(epoll_create) ENTRY_SAME(epoll_ctl) /* 225 */ ENTRY_SAME(epoll_wait) diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index aeb8f8f2c07a..f702bff0bed9 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -126,6 +126,8 @@ void show_regs(struct pt_regs *regs) user = user_mode(regs); level = user ? KERN_DEBUG : KERN_CRIT; + show_regs_print_info(level); + print_gr(level, regs); for (i = 0; i < 8; i += 4) @@ -158,14 +160,6 @@ void show_regs(struct pt_regs *regs) } } - -void dump_stack(void) -{ - show_stack(NULL, NULL); -} - -EXPORT_SYMBOL(dump_stack); - static void do_show_stack(struct unwind_frame_info *info) { int i = 1; |