diff options
Diffstat (limited to 'fs/exec.c')
-rw-r--r-- | fs/exec.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -33,6 +33,7 @@ | |||
33 | #include <linux/string.h> | 33 | #include <linux/string.h> |
34 | #include <linux/init.h> | 34 | #include <linux/init.h> |
35 | #include <linux/pagemap.h> | 35 | #include <linux/pagemap.h> |
36 | #include <linux/perf_counter.h> | ||
36 | #include <linux/highmem.h> | 37 | #include <linux/highmem.h> |
37 | #include <linux/spinlock.h> | 38 | #include <linux/spinlock.h> |
38 | #include <linux/key.h> | 39 | #include <linux/key.h> |
@@ -950,6 +951,7 @@ void set_task_comm(struct task_struct *tsk, char *buf) | |||
950 | task_lock(tsk); | 951 | task_lock(tsk); |
951 | strlcpy(tsk->comm, buf, sizeof(tsk->comm)); | 952 | strlcpy(tsk->comm, buf, sizeof(tsk->comm)); |
952 | task_unlock(tsk); | 953 | task_unlock(tsk); |
954 | perf_counter_comm(tsk); | ||
953 | } | 955 | } |
954 | 956 | ||
955 | int flush_old_exec(struct linux_binprm * bprm) | 957 | int flush_old_exec(struct linux_binprm * bprm) |
@@ -1018,6 +1020,13 @@ int flush_old_exec(struct linux_binprm * bprm) | |||
1018 | 1020 | ||
1019 | current->personality &= ~bprm->per_clear; | 1021 | current->personality &= ~bprm->per_clear; |
1020 | 1022 | ||
1023 | /* | ||
1024 | * Flush performance counters when crossing a | ||
1025 | * security domain: | ||
1026 | */ | ||
1027 | if (!get_dumpable(current->mm)) | ||
1028 | perf_counter_exit_task(current); | ||
1029 | |||
1021 | /* An exec changes our domain. We are no longer part of the thread | 1030 | /* An exec changes our domain. We are no longer part of the thread |
1022 | group */ | 1031 | group */ |
1023 | 1032 | ||