forked from luck/tmp_suning_uos_patched
0f80bc85c5
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all system calls from mem_user.c and tempfile.c files under os-Linux dir. Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#include "linux/config.h"
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#include "linux/mm.h"
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#include "linux/module.h"
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#include "linux/sched.h"
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#include "linux/init_task.h"
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#include "linux/mqueue.h"
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#include "asm/uaccess.h"
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#include "asm/pgtable.h"
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#include "user_util.h"
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#include "mem_user.h"
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#include "os.h"
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static struct fs_struct init_fs = INIT_FS;
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struct mm_struct init_mm = INIT_MM(init_mm);
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static struct files_struct init_files = INIT_FILES;
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static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
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static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
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EXPORT_SYMBOL(init_mm);
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/*
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* Initial task structure.
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*
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* All other task structs will be allocated on slabs in fork.c
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*/
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struct task_struct init_task = INIT_TASK(init_task);
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EXPORT_SYMBOL(init_task);
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/*
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* Initial thread structure.
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*
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* We need to make sure that this is 16384-byte aligned due to the
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* way process stacks are handled. This is done by having a special
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* "init_task" linker map entry..
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*/
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union thread_union init_thread_union
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__attribute__((__section__(".data.init_task"))) =
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{ INIT_THREAD_INFO(init_task) };
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void unprotect_stack(unsigned long stack)
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{
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os_protect_memory((void *) stack, (1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE,
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1, 1, 0);
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}
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* Emacs will notice this stuff at the end of the file and automatically
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* adjust the settings for this buffer only. This must remain at the end
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* of the file.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-file-style: "linux"
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* End:
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*/
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