Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 131244
b: refs/heads/master
c: e3944bf
h: refs/heads/master
v: v3
  • Loading branch information
Steven Rostedt committed Feb 10, 2009
1 parent 9c1337c commit fc9d770
Show file tree
Hide file tree
Showing 2 changed files with 6 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: acd895795d35d7c6405f20301a846d16998795ec
refs/heads/master: e3944bfac961cd7fc82f3b3143c55dc375748569
8 changes: 5 additions & 3 deletions trunk/arch/x86/kernel/ftrace.c
Original file line number Diff line number Diff line change
Expand Up @@ -491,13 +491,15 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
"1: " _ASM_MOV " (%[parent_old]), %[old]\n"
"2: " _ASM_MOV " %[return_hooker], (%[parent_replaced])\n"
" movl $0, %[faulted]\n"
"3:\n"

".section .fixup, \"ax\"\n"
"3: movl $1, %[faulted]\n"
"4: movl $1, %[faulted]\n"
" jmp 3b\n"
".previous\n"

_ASM_EXTABLE(1b, 3b)
_ASM_EXTABLE(2b, 3b)
_ASM_EXTABLE(1b, 4b)
_ASM_EXTABLE(2b, 4b)

: [parent_replaced] "=r" (parent), [old] "=r" (old),
[faulted] "=r" (faulted)
Expand Down

0 comments on commit fc9d770

Please sign in to comment.