diff options
Diffstat (limited to 'arch/x86/mm/fault.c')
| -rw-r--r-- | arch/x86/mm/fault.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index fd3e281fbc70..f2730cbce0b5 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -20,6 +20,9 @@ #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */ #include <asm/fixmap.h> /* VSYSCALL_START */ +#define CREATE_TRACE_POINTS +#include <asm/trace/exceptions.h> + /* * Page fault error code bits: * @@ -1232,12 +1235,22 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code) exception_exit(prev_state); } +static void trace_page_fault_entries(struct pt_regs *regs, + unsigned long error_code) +{ + if (user_mode(regs)) + trace_user_page_fault(read_cr2(), regs, error_code); + else + trace_kernel_page_fault(read_cr2(), regs, error_code); +} + dotraplinkage void __kprobes trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) { enum ctx_state prev_state; prev_state = exception_enter(); + trace_page_fault_entries(regs, error_code); __do_page_fault(regs, error_code); exception_exit(prev_state); } |