diff options
| author | Prasanna S Panchamukhi <prasanna@in.ibm.com> | 2005-09-06 15:19:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 16:57:59 -0700 |
| commit | 0f2fbdcbb041f9087da42f8ac2e81f2817098d2a (patch) | |
| tree | 3f54f91ca6972c6567cfe529b33fafb622b2d51c /arch/x86_64/kernel/traps.c | |
| parent | 3d97ae5b958855ac007b6f56a0f94ab8ade09e9e (diff) | |
[PATCH] kprobes: prevent possible race conditions x86_64 changes
This patch contains the x86_64 architecture specific changes to prevent the
possible race conditions.
Signed-off-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/traps.c')
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 6ead433a388..f238d6078a5 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -29,6 +29,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/nmi.h> +#include <linux/kprobes.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -419,8 +420,9 @@ void die_nmi(char *str, struct pt_regs *regs) do_exit(SIGSEGV); } -static void do_trap(int trapnr, int signr, char *str, - struct pt_regs * regs, long error_code, siginfo_t *info) +static void __kprobes do_trap(int trapnr, int signr, char *str, + struct pt_regs * regs, long error_code, + siginfo_t *info) { conditional_sti(regs); @@ -504,7 +506,8 @@ DO_ERROR(18, SIGSEGV, "reserved", reserved) DO_ERROR(12, SIGBUS, "stack segment", stack_segment) DO_ERROR( 8, SIGSEGV, "double fault", double_fault) -asmlinkage void do_general_protection(struct pt_regs * regs, long error_code) +asmlinkage void __kprobes do_general_protection(struct pt_regs * regs, + long error_code) { conditional_sti(regs); @@ -622,7 +625,7 @@ asmlinkage void default_do_nmi(struct pt_regs *regs) io_check_error(reason, regs); } -asmlinkage void do_int3(struct pt_regs * regs, long error_code) +asmlinkage void __kprobes do_int3(struct pt_regs * regs, long error_code) { if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) { return; @@ -653,7 +656,8 @@ asmlinkage struct pt_regs *sync_regs(struct pt_regs *eregs) } /* runs on IST stack. */ -asmlinkage void do_debug(struct pt_regs * regs, unsigned long error_code) +asmlinkage void __kprobes do_debug(struct pt_regs * regs, + unsigned long error_code) { unsigned long condition; struct task_struct *tsk = current; |