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| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-10 01:26:32 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-10 01:26:32 -0500 |
| commit | b22364c8eec89e6b0c081a237f3b6348df87796f (patch) | |
| tree | 233a923281fb640106465d076997ff511efb6edf /arch/um/sys-x86_64/bug.c | |
| parent | 2c8dc071517ec2843869024dc82be2e246f41064 (diff) | |
| parent | 66efc5a7e3061c3597ac43a8bb1026488d57e66b (diff) | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/um/sys-x86_64/bug.c')
| -rw-r--r-- | arch/um/sys-x86_64/bug.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/um/sys-x86_64/bug.c b/arch/um/sys-x86_64/bug.c new file mode 100644 index 00000000000..200c8ba2879 --- /dev/null +++ b/arch/um/sys-x86_64/bug.c @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL V2 + */ + +#include <linux/uaccess.h> + +/* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because + * that's not relevent in skas mode. + */ + +int is_valid_bugaddr(unsigned long eip) +{ + unsigned short ud2; + + if (probe_kernel_address((unsigned short __user *)eip, ud2)) + return 0; + + return ud2 == 0x0b0f; +} |