如何给open source的代码的patch里加上自己的email信息？

Alvinz

patch能生成出来，用diff -uN a.c.old a.c > a.patch，
但是在patch里面没有自己的标识，因为看到老外提交的patch里面，很多都是有自己email的，这个宏不知道在哪里设置才能加入到patch里？

就是这个signed-off-by

1. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
   
2. ---
   
3. .../hyperthreading/ht_affinity/smt_smp_affinity.sh |    3 +--
   
4. .../hyperthreading/ht_enabled/smt_smp_enabled.sh   |    3 +--
   
5. 2 files changed, 2 insertions(+), 4 deletions(-)
   
6. 
   
7. diff --git a/testcases/kernel/sched/hyperthreading/ht_affinity/smt_smp_affinity.sh b/testcases/kernel/sched/hyperthreading/ht_affinity/smt_smp_affinity.sh
   
8. index 109800d..0a33f51 100755
   
9. --- a/testcases/kernel/sched/hyperthreading/ht_affinity/smt_smp_affinity.sh
   
10. +++ b/testcases/kernel/sched/hyperthreading/ht_affinity/smt_smp_affinity.sh
    
11. @@ -44,8 +44,7 @@ if [ -f ./ht_enabled ];then
    
12.        if [ $ret_value -ne 0 ];then
    
13.                tst_resm TCONF "SMT/SMP is not supported"
    
14.                tst_resm TINFO "End: SMT/SMP Affinity"
    
15. -               TFAILCNT=$(( $TFAILCNT+1 ))
    
16. -               exit $TFAILCNT
    
17. +               exit 0
    
18.        fi
    
19. else
    
20.        tst_resm TBROK "ht_enabled:File not found"
    
21. diff --git a/testcases/kernel/sched/hyperthreading/ht_enabled/smt_smp_enabled.sh b/testcases/kernel/sched/hyperthreading/ht_enabled/smt_smp_enabled.sh
    
22. index 8b8a909..e234ea4 100755
    
23. --- a/testcases/kernel/sched/hyperthreading/ht_enabled/smt_smp_enabled.sh
    
24. +++ b/testcases/kernel/sched/hyperthreading/ht_enabled/smt_smp_enabled.sh
    
25. @@ -41,8 +41,7 @@ if [ -f ./ht_enabled ];then
    
26.        if [ $ret_value -ne 0 ];then
    
27.                tst_resm TCONF "SMT/SMP is not supported"
    
28.                tst_resm TINFO "End: SMT/SMP Enabled"
    
29. -               TFAILCNT=$(( $TFAILCNT+1 ))
    
30. -               exit $TFAILCNT
    
31. +               exit 0
    
32.        fi
    
33. else
    
34.        tst_resm TBROK "ht_enabled:File not found"
    
35. --
    
36. 1.6.2.4

复制代码