diff options
Diffstat (limited to 'arch/tile/kernel/process.c')
| -rw-r--r-- | arch/tile/kernel/process.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 8d6c51d55762..25678b83b747 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -33,6 +33,7 @@ #include <asm/syscalls.h> #include <asm/traps.h> #include <asm/setup.h> +#include <asm/uaccess.h> #ifdef CONFIG_HARDWALL #include <asm/hardwall.h> #endif @@ -147,6 +148,14 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, */ task_thread_info(p)->step_state = NULL; +#ifdef __tilegx__ + /* + * Do not clone unalign jit fixup from the parent; each thread + * must allocate its own on demand. + */ + task_thread_info(p)->unalign_jit_base = NULL; +#endif + /* * Copy the registers onto the kernel stack so the * return-from-interrupt code will reload it into registers. @@ -205,6 +214,18 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, return 0; } +int set_unalign_ctl(struct task_struct *tsk, unsigned int val) +{ + task_thread_info(tsk)->align_ctl = val; + return 0; +} + +int get_unalign_ctl(struct task_struct *tsk, unsigned long adr) +{ + return put_user(task_thread_info(tsk)->align_ctl, + (unsigned int __user *)adr); +} + /* * Return "current" if it looks plausible, or else a pointer to a dummy. * This can be helpful if we are just trying to emit a clean panic. |