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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8569c9140b
We can't just plop asm/* into it - userland helpers are built with it in search path and seeing asm/* show up there suddenly would be a bad idea. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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* Licensed under the GPL
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*/
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#ifndef __KERN_UTIL_H__
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#define __KERN_UTIL_H__
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#include "sysdep/ptrace.h"
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#include "sysdep/faultinfo.h"
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extern int uml_exitcode;
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extern int ncpus;
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extern int kmalloc_ok;
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#define UML_ROUND_UP(addr) \
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((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK)
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extern unsigned long alloc_stack(int order, int atomic);
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extern void free_stack(unsigned long stack, int order);
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extern int do_signal(void);
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extern void copy_sc(struct uml_pt_regs *regs, void *from);
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extern void interrupt_end(void);
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extern void relay_signal(int sig, struct uml_pt_regs *regs);
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extern unsigned long segv(struct faultinfo fi, unsigned long ip,
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int is_user, struct uml_pt_regs *regs);
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extern int handle_page_fault(unsigned long address, unsigned long ip,
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int is_write, int is_user, int *code_out);
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extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs);
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extern int smp_sigio_handler(void);
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extern void initial_thread_cb(void (*proc)(void *), void *arg);
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extern int is_syscall(unsigned long addr);
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extern void timer_handler(int sig, struct uml_pt_regs *regs);
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extern void timer_handler(int sig, struct uml_pt_regs *regs);
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extern int start_uml(void);
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extern void paging_init(void);
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extern void uml_cleanup(void);
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extern void do_uml_exitcalls(void);
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/*
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* Are we disallowed to sleep? Used to choose between GFP_KERNEL and
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* GFP_ATOMIC.
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*/
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extern int __cant_sleep(void);
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extern void *get_current(void);
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extern int copy_from_user_proc(void *to, void *from, int size);
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extern int cpu(void);
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extern char *uml_strdup(const char *string);
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extern unsigned long to_irq_stack(unsigned long *mask_out);
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extern unsigned long from_irq_stack(int nested);
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extern void syscall_trace(struct uml_pt_regs *regs, int entryexit);
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extern int singlestepping(void *t);
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extern void segv_handler(int sig, struct uml_pt_regs *regs);
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extern void bus_handler(int sig, struct uml_pt_regs *regs);
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extern void winch(int sig, struct uml_pt_regs *regs);
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extern void fatal_sigsegv(void) __attribute__ ((noreturn));
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#endif
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