e18e2a00ef
This is the long overdue conversion of sparc64 over to the generic IRQ layer. The kernel image is slightly larger, but the BSS is ~60K smaller due to the reduced size of struct ino_bucket. A lot of IRQ implementation details, including ino_bucket, were moved out of asm-sparc64/irq.h and are now private to arch/sparc64/kernel/irq.c, and most of the code in irq.c totally disappeared. One thing that's different at the moment is IRQ distribution, we do it at enable_irq() time. If the cpu mask is ALL then we round-robin using a global rotating cpu counter, else we pick the first cpu in the mask to support single cpu targetting. This is similar to what powerpc's XICS IRQ support code does. This works fine on my UP SB1000, and the SMP build goes fine and runs on that machine, but lots of testing on different setups is needed. Signed-off-by: David S. Miller <davem@davemloft.net>
377 lines
10 KiB
C
377 lines
10 KiB
C
/* $Id: sparc64_ksyms.c,v 1.121 2002/02/09 19:49:31 davem Exp $
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* arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support.
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*
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* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
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* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
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* Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz)
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*/
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/* Tell string.h we don't want memcpy etc. as cpp defines */
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#define EXPORT_SYMTAB_STROPS
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#define PROMLIB_INTERNAL
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/string.h>
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#include <linux/sched.h>
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#include <linux/in6.h>
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#include <linux/pci.h>
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#include <linux/interrupt.h>
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#include <linux/fs_struct.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <linux/socket.h>
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#include <linux/syscalls.h>
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#include <linux/percpu.h>
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#include <linux/init.h>
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#include <net/compat.h>
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#include <asm/oplib.h>
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#include <asm/delay.h>
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#include <asm/system.h>
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#include <asm/auxio.h>
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#include <asm/pgtable.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/idprom.h>
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#include <asm/svr4.h>
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#include <asm/elf.h>
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#include <asm/head.h>
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#include <asm/smp.h>
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#include <asm/mostek.h>
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#include <asm/ptrace.h>
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#include <asm/user.h>
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#include <asm/uaccess.h>
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#include <asm/checksum.h>
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#include <asm/fpumacro.h>
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#include <asm/pgalloc.h>
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#include <asm/cacheflush.h>
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#ifdef CONFIG_SBUS
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#include <asm/sbus.h>
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#include <asm/dma.h>
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#endif
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#ifdef CONFIG_PCI
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#include <asm/ebus.h>
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#include <asm/isa.h>
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#endif
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#include <asm/a.out.h>
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#include <asm/ns87303.h>
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#include <asm/timer.h>
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#include <asm/cpudata.h>
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#include <asm/rwsem.h>
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struct poll {
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int fd;
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short events;
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short revents;
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};
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extern void die_if_kernel(char *str, struct pt_regs *regs);
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extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
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extern void *__bzero(void *, size_t);
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extern void *__memscan_zero(void *, size_t);
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extern void *__memscan_generic(void *, int, size_t);
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extern int __memcmp(const void *, const void *, __kernel_size_t);
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extern __kernel_size_t strlen(const char *);
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extern void linux_sparc_syscall(void);
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extern void rtrap(void);
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extern void show_regs(struct pt_regs *);
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extern void solaris_syscall(void);
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extern void syscall_trace(struct pt_regs *, int);
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extern u32 sunos_sys_table[], sys_call_table32[];
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extern void tl0_solaris(void);
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extern void sys_sigsuspend(void);
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extern int svr4_getcontext(svr4_ucontext_t *uc, struct pt_regs *regs);
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extern int svr4_setcontext(svr4_ucontext_t *uc, struct pt_regs *regs);
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extern int compat_sys_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
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extern int (*handle_mathemu)(struct pt_regs *, struct fpustate *);
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extern long sparc32_open(const char __user * filename, int flags, int mode);
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extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
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unsigned long pfn, unsigned long size, pgprot_t prot);
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extern void (*prom_palette)(int);
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extern int __ashrdi3(int, int);
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extern int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs);
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extern unsigned int sys_call_table[];
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extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
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extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
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unsigned long *);
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extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *);
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extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
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unsigned long *, unsigned long *, unsigned long *);
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/* Per-CPU information table */
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EXPORT_PER_CPU_SYMBOL(__cpu_data);
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/* used by various drivers */
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#ifdef CONFIG_SMP
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/* Out of line rw-locking implementation. */
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EXPORT_SYMBOL(__read_lock);
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EXPORT_SYMBOL(__read_unlock);
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EXPORT_SYMBOL(__write_lock);
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EXPORT_SYMBOL(__write_unlock);
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EXPORT_SYMBOL(__write_trylock);
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/* Hard IRQ locking */
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EXPORT_SYMBOL(synchronize_irq);
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#if defined(CONFIG_MCOUNT)
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extern void _mcount(void);
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EXPORT_SYMBOL(_mcount);
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#endif
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/* CPU online map and active count. */
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EXPORT_SYMBOL(cpu_online_map);
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EXPORT_SYMBOL(phys_cpu_present_map);
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EXPORT_SYMBOL(smp_call_function);
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#endif /* CONFIG_SMP */
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EXPORT_SYMBOL(sparc64_get_clock_tick);
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/* semaphores */
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EXPORT_SYMBOL(down);
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EXPORT_SYMBOL(down_trylock);
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EXPORT_SYMBOL(down_interruptible);
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EXPORT_SYMBOL(up);
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/* RW semaphores */
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EXPORT_SYMBOL(__down_read);
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EXPORT_SYMBOL(__down_read_trylock);
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EXPORT_SYMBOL(__down_write);
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EXPORT_SYMBOL(__down_write_trylock);
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EXPORT_SYMBOL(__up_read);
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EXPORT_SYMBOL(__up_write);
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EXPORT_SYMBOL(__downgrade_write);
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/* Atomic counter implementation. */
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EXPORT_SYMBOL(atomic_add);
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EXPORT_SYMBOL(atomic_add_ret);
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EXPORT_SYMBOL(atomic_sub);
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EXPORT_SYMBOL(atomic_sub_ret);
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EXPORT_SYMBOL(atomic64_add);
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EXPORT_SYMBOL(atomic64_add_ret);
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EXPORT_SYMBOL(atomic64_sub);
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EXPORT_SYMBOL(atomic64_sub_ret);
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/* Atomic bit operations. */
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EXPORT_SYMBOL(test_and_set_bit);
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EXPORT_SYMBOL(test_and_clear_bit);
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EXPORT_SYMBOL(test_and_change_bit);
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EXPORT_SYMBOL(set_bit);
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EXPORT_SYMBOL(clear_bit);
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EXPORT_SYMBOL(change_bit);
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EXPORT_SYMBOL(__flushw_user);
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EXPORT_SYMBOL(tlb_type);
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EXPORT_SYMBOL(get_fb_unmapped_area);
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EXPORT_SYMBOL(flush_icache_range);
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EXPORT_SYMBOL(flush_dcache_page);
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#ifdef DCACHE_ALIASING_POSSIBLE
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EXPORT_SYMBOL(__flush_dcache_range);
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#endif
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EXPORT_SYMBOL(mostek_lock);
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EXPORT_SYMBOL(mstk48t02_regs);
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#ifdef CONFIG_SUN_AUXIO
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EXPORT_SYMBOL(auxio_set_led);
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EXPORT_SYMBOL(auxio_set_lte);
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#endif
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#ifdef CONFIG_SBUS
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EXPORT_SYMBOL(sbus_root);
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EXPORT_SYMBOL(dma_chain);
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EXPORT_SYMBOL(sbus_set_sbus64);
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EXPORT_SYMBOL(sbus_alloc_consistent);
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EXPORT_SYMBOL(sbus_free_consistent);
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EXPORT_SYMBOL(sbus_map_single);
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EXPORT_SYMBOL(sbus_unmap_single);
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EXPORT_SYMBOL(sbus_map_sg);
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EXPORT_SYMBOL(sbus_unmap_sg);
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EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
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EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
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EXPORT_SYMBOL(sbus_dma_sync_sg_for_cpu);
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EXPORT_SYMBOL(sbus_dma_sync_sg_for_device);
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#endif
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EXPORT_SYMBOL(outsb);
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EXPORT_SYMBOL(outsw);
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EXPORT_SYMBOL(outsl);
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EXPORT_SYMBOL(insb);
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EXPORT_SYMBOL(insw);
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EXPORT_SYMBOL(insl);
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#ifdef CONFIG_PCI
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EXPORT_SYMBOL(ebus_chain);
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EXPORT_SYMBOL(isa_chain);
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EXPORT_SYMBOL(pci_memspace_mask);
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EXPORT_SYMBOL(pci_alloc_consistent);
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EXPORT_SYMBOL(pci_free_consistent);
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EXPORT_SYMBOL(pci_map_single);
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EXPORT_SYMBOL(pci_unmap_single);
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EXPORT_SYMBOL(pci_map_sg);
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EXPORT_SYMBOL(pci_unmap_sg);
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EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
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EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
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EXPORT_SYMBOL(pci_dma_supported);
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#endif
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/* I/O device mmaping on Sparc64. */
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EXPORT_SYMBOL(io_remap_pfn_range);
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#ifdef CONFIG_COMPAT
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/* Solaris/SunOS binary compatibility */
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EXPORT_SYMBOL(verify_compat_iovec);
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#endif
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EXPORT_SYMBOL(dump_fpu);
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EXPORT_SYMBOL(put_fs_struct);
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/* math-emu wants this */
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EXPORT_SYMBOL(die_if_kernel);
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/* Kernel thread creation. */
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EXPORT_SYMBOL(kernel_thread);
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/* prom symbols */
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EXPORT_SYMBOL(idprom);
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EXPORT_SYMBOL(prom_root_node);
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EXPORT_SYMBOL(prom_getchild);
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EXPORT_SYMBOL(prom_getsibling);
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EXPORT_SYMBOL(prom_searchsiblings);
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EXPORT_SYMBOL(prom_firstprop);
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EXPORT_SYMBOL(prom_nextprop);
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EXPORT_SYMBOL(prom_getproplen);
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EXPORT_SYMBOL(prom_getproperty);
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EXPORT_SYMBOL(prom_node_has_property);
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EXPORT_SYMBOL(prom_setprop);
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EXPORT_SYMBOL(saved_command_line);
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EXPORT_SYMBOL(prom_getname);
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EXPORT_SYMBOL(prom_finddevice);
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EXPORT_SYMBOL(prom_feval);
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EXPORT_SYMBOL(prom_getbool);
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EXPORT_SYMBOL(prom_getstring);
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EXPORT_SYMBOL(prom_getint);
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EXPORT_SYMBOL(prom_getintdefault);
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EXPORT_SYMBOL(__prom_getchild);
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EXPORT_SYMBOL(__prom_getsibling);
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/* sparc library symbols */
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EXPORT_SYMBOL(strlen);
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EXPORT_SYMBOL(__strlen_user);
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EXPORT_SYMBOL(__strnlen_user);
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#ifdef CONFIG_SOLARIS_EMUL_MODULE
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EXPORT_SYMBOL(linux_sparc_syscall);
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EXPORT_SYMBOL(rtrap);
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EXPORT_SYMBOL(show_regs);
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EXPORT_SYMBOL(solaris_syscall);
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EXPORT_SYMBOL(syscall_trace);
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EXPORT_SYMBOL(sunos_sys_table);
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EXPORT_SYMBOL(sys_call_table32);
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EXPORT_SYMBOL(tl0_solaris);
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EXPORT_SYMBOL(sys_sigsuspend);
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EXPORT_SYMBOL(sys_getppid);
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EXPORT_SYMBOL(sys_getpid);
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EXPORT_SYMBOL(sys_geteuid);
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EXPORT_SYMBOL(sys_getuid);
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EXPORT_SYMBOL(sys_getegid);
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EXPORT_SYMBOL(sys_getgid);
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EXPORT_SYMBOL(svr4_getcontext);
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EXPORT_SYMBOL(svr4_setcontext);
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EXPORT_SYMBOL(compat_sys_ioctl);
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EXPORT_SYMBOL(sparc32_open);
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#endif
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/* Special internal versions of library functions. */
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EXPORT_SYMBOL(_clear_page);
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EXPORT_SYMBOL(clear_user_page);
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EXPORT_SYMBOL(copy_user_page);
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EXPORT_SYMBOL(__bzero);
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EXPORT_SYMBOL(__memscan_zero);
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EXPORT_SYMBOL(__memscan_generic);
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EXPORT_SYMBOL(__memcmp);
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EXPORT_SYMBOL(__memset);
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EXPORT_SYMBOL(csum_partial);
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EXPORT_SYMBOL(csum_partial_copy_nocheck);
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EXPORT_SYMBOL(__csum_partial_copy_from_user);
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EXPORT_SYMBOL(__csum_partial_copy_to_user);
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EXPORT_SYMBOL(ip_fast_csum);
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/* Moving data to/from/in userspace. */
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EXPORT_SYMBOL(___copy_to_user);
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EXPORT_SYMBOL(___copy_from_user);
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EXPORT_SYMBOL(___copy_in_user);
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EXPORT_SYMBOL(copy_to_user_fixup);
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EXPORT_SYMBOL(copy_from_user_fixup);
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EXPORT_SYMBOL(copy_in_user_fixup);
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EXPORT_SYMBOL(__strncpy_from_user);
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EXPORT_SYMBOL(__clear_user);
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/* Various address conversion macros use this. */
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EXPORT_SYMBOL(sparc64_valid_addr_bitmap);
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/* No version information on this, heavily used in inline asm,
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* and will always be 'void __ret_efault(void)'.
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*/
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EXPORT_SYMBOL(__ret_efault);
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/* No version information on these, as gcc produces such symbols. */
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EXPORT_SYMBOL(memcmp);
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EXPORT_SYMBOL(memcpy);
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EXPORT_SYMBOL(memset);
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EXPORT_SYMBOL(memmove);
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EXPORT_SYMBOL(strncmp);
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/* Delay routines. */
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EXPORT_SYMBOL(__udelay);
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EXPORT_SYMBOL(__ndelay);
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EXPORT_SYMBOL(__const_udelay);
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EXPORT_SYMBOL(__delay);
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void VISenter(void);
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/* RAID code needs this */
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EXPORT_SYMBOL(VISenter);
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/* for input/keybdev */
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EXPORT_SYMBOL(sun_do_break);
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EXPORT_SYMBOL(serial_console);
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EXPORT_SYMBOL(stop_a_enabled);
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#ifdef CONFIG_DEBUG_BUGVERBOSE
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EXPORT_SYMBOL(do_BUG);
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#endif
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/* for ns8703 */
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EXPORT_SYMBOL(ns87303_lock);
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/* for solaris compat module */
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EXPORT_SYMBOL_GPL(sys_call_table);
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EXPORT_SYMBOL(tick_ops);
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EXPORT_SYMBOL(xor_vis_2);
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EXPORT_SYMBOL(xor_vis_3);
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EXPORT_SYMBOL(xor_vis_4);
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EXPORT_SYMBOL(xor_vis_5);
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EXPORT_SYMBOL(xor_niagara_2);
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EXPORT_SYMBOL(xor_niagara_3);
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EXPORT_SYMBOL(xor_niagara_4);
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EXPORT_SYMBOL(xor_niagara_5);
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EXPORT_SYMBOL(prom_palette);
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