diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 10:22:01 -0700 |
commit | 5b34653963de7a6d0d8c783527457d68fddc60fb (patch) | |
tree | 1a234741e1823a54cd0514616f783b4cf503a528 /arch/um/include/shared/kern_util.h | |
parent | 765426e8ee4c0ab2bc9d44951f4865b8494cdbd0 (diff) | |
parent | 5e1b00758b5a8bee9d42515bffdaf305a32f1b04 (diff) |
Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits)
x86: canonicalize remaining header guards
x86: drop double underscores from header guards
x86: Fix ASM_X86__ header guards
x86, um: get rid of uml-config.h
x86, um: get rid of arch/um/Kconfig.arch
x86, um: get rid of arch/um/os symlink
x86, um: get rid of excessive includes of uml-config.h
x86, um: get rid of header symlinks
x86, um: merge Kconfig.i386 and Kconfig.x86_64
x86, um: get rid of sysdep symlink
x86, um: trim the junk from uml ptrace-*.h
x86, um: take vm-flags.h to sysdep
x86, um: get rid of uml asm/arch
x86, um: get rid of uml highmem.h
x86, um: get rid of uml unistd.h
x86, um: get rid of system.h -> system.h include
x86, um: uml atomic.h is not needed anymore
x86, um: untangle uml ldt.h
x86, um: get rid of more uml asm/arch uses
x86, um: remove dead header (uml module-generic.h; never used these days)
...
Diffstat (limited to 'arch/um/include/shared/kern_util.h')
-rw-r--r-- | arch/um/include/shared/kern_util.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h new file mode 100644 index 00000000000..3c341222d25 --- /dev/null +++ b/arch/um/include/shared/kern_util.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __KERN_UTIL_H__ +#define __KERN_UTIL_H__ + +#include "sysdep/ptrace.h" +#include "sysdep/faultinfo.h" + +extern int uml_exitcode; + +extern int ncpus; +extern int kmalloc_ok; + +#define UML_ROUND_UP(addr) \ + ((((unsigned long) addr) + PAGE_SIZE - 1) & PAGE_MASK) + +extern unsigned long alloc_stack(int order, int atomic); +extern void free_stack(unsigned long stack, int order); + +extern int do_signal(void); +extern void copy_sc(struct uml_pt_regs *regs, void *from); +extern void interrupt_end(void); +extern void relay_signal(int sig, struct uml_pt_regs *regs); + +extern unsigned long segv(struct faultinfo fi, unsigned long ip, + int is_user, struct uml_pt_regs *regs); +extern int handle_page_fault(unsigned long address, unsigned long ip, + int is_write, int is_user, int *code_out); + +extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); +extern int smp_sigio_handler(void); +extern void initial_thread_cb(void (*proc)(void *), void *arg); +extern int is_syscall(unsigned long addr); +extern void timer_handler(int sig, struct uml_pt_regs *regs); + +extern void timer_handler(int sig, struct uml_pt_regs *regs); + +extern int start_uml(void); +extern void paging_init(void); + +extern void uml_cleanup(void); +extern void do_uml_exitcalls(void); + +/* + * Are we disallowed to sleep? Used to choose between GFP_KERNEL and + * GFP_ATOMIC. + */ +extern int __cant_sleep(void); +extern void *get_current(void); +extern int copy_from_user_proc(void *to, void *from, int size); +extern int cpu(void); +extern char *uml_strdup(const char *string); + +extern unsigned long to_irq_stack(unsigned long *mask_out); +extern unsigned long from_irq_stack(int nested); + +extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); +extern int singlestepping(void *t); + +extern void segv_handler(int sig, struct uml_pt_regs *regs); +extern void bus_handler(int sig, struct uml_pt_regs *regs); +extern void winch(int sig, struct uml_pt_regs *regs); +extern void fatal_sigsegv(void) __attribute__ ((noreturn)); + + +#endif |