diff options
Diffstat (limited to 'arch/mips/kernel/mips-mt-fpaff.c')
| -rw-r--r-- | arch/mips/kernel/mips-mt-fpaff.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 1a08428eedcf..10172fc4f627 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -15,6 +15,7 @@ #include <linux/security.h> #include <linux/types.h> #include <linux/uaccess.h> +#include <asm/syscalls.h> /* * CPU mask used to set process affinity for MT VPEs/TCs with FPUs @@ -76,13 +77,13 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, if (copy_from_user(&new_mask, user_mask_ptr, sizeof(new_mask))) return -EFAULT; - get_online_cpus(); + cpus_read_lock(); rcu_read_lock(); p = find_process_by_pid(pid); if (!p) { rcu_read_unlock(); - put_online_cpus(); + cpus_read_unlock(); return -ESRCH; } @@ -147,7 +148,7 @@ out_free_cpus_allowed: free_cpumask_var(cpus_allowed); out_put_task: put_task_struct(p); - put_online_cpus(); + cpus_read_unlock(); return retval; } @@ -166,8 +167,8 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, if (len < real_len) return -EINVAL; - get_online_cpus(); - read_lock(&tasklist_lock); + cpus_read_lock(); + rcu_read_lock(); retval = -ESRCH; p = find_process_by_pid(pid); @@ -181,8 +182,8 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, cpumask_and(&mask, &allowed, cpu_active_mask); out_unlock: - read_unlock(&tasklist_lock); - put_online_cpus(); + rcu_read_unlock(); + cpus_read_unlock(); if (retval) return retval; if (copy_to_user(user_mask_ptr, &mask, real_len)) |