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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:42:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-04 11:42:31 +0100 |
| commit | 8163d88c79dca35478a2405c837733ac50ea4c39 (patch) | |
| tree | 6acae066a09b7dcbedab4a35ad62eba4ba3fd83c /kernel/user.c | |
| parent | x86: use pr_info in perf_counter.c (diff) | |
| parent | Linux 2.6.29-rc7 (diff) | |
| download | linux-8163d88c79dca35478a2405c837733ac50ea4c39.tar.xz linux-8163d88c79dca35478a2405c837733ac50ea4c39.zip | |
Merge commit 'v2.6.29-rc7' into perfcounters/core
Conflicts:
arch/x86/mm/iomap_32.c
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/user.c b/kernel/user.c index 3551ac742395..6a9b696128c8 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -362,6 +362,24 @@ static void free_user(struct user_struct *up, unsigned long flags) #endif +#if defined(CONFIG_RT_GROUP_SCHED) && defined(CONFIG_USER_SCHED) +/* + * We need to check if a setuid can take place. This function should be called + * before successfully completing the setuid. + */ +int task_can_switch_user(struct user_struct *up, struct task_struct *tsk) +{ + + return sched_rt_can_attach(up->tg, tsk); + +} +#else +int task_can_switch_user(struct user_struct *up, struct task_struct *tsk) +{ + return 1; +} +#endif + /* * Locate the user_struct for the passed UID. If found, take a ref on it. The * caller must undo that ref with free_uid(). |