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-rw-r--r--arch/um/kernel/process.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index f386d04a84a5..3a2235e0abc3 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -18,6 +18,7 @@
#include <linux/seq_file.h>
#include <linux/tick.h>
#include <linux/threads.h>
+#include <linux/tracehook.h>
#include <asm/current.h>
#include <asm/pgtable.h>
#include <asm/mmu_context.h>
@@ -88,11 +89,8 @@ static inline void set_current(struct task_struct *task)
extern void arch_switch_to(struct task_struct *to);
-void *_switch_to(void *prev, void *next, void *last)
+void *__switch_to(struct task_struct *from, struct task_struct *to)
{
- struct task_struct *from = prev;
- struct task_struct *to = next;
-
to->thread.prev_sched = from;
set_current(to);
@@ -111,15 +109,19 @@ void *_switch_to(void *prev, void *next, void *last)
} while (current->thread.saved_task);
return current->thread.prev_sched;
-
}
void interrupt_end(void)
{
if (need_resched())
schedule();
- if (test_tsk_thread_flag(current, TIF_SIGPENDING))
+ if (test_thread_flag(TIF_SIGPENDING))
do_signal();
+ if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME)) {
+ tracehook_notify_resume(&current->thread.regs);
+ if (current->replacement_session_keyring)
+ key_replace_session_keyring();
+ }
}
void exit_thread(void)
@@ -194,7 +196,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
if (current->thread.forking) {
memcpy(&p->thread.regs.regs, &regs->regs,
sizeof(p->thread.regs.regs));
- REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.gp, 0);
+ UPT_SET_SYSCALL_RETURN(&p->thread.regs.regs, 0);
if (sp != 0)
REGS_SP(p->thread.regs.regs.gp) = sp;