#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/errno.h>
for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
err |= __get_user(regs->regs[i], &sc->gregs[i]);
+ /* Ensure that the PL is always set to USER_PL. */
+ regs->ex1 = PL_ICS_EX1(USER_PL, EX1_ICS(regs->ex1));
+
regs->faultnum = INT_SWINT_1_SIGRETURN;
err |= __get_user(*pr0, &sc->gregs[0]);
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
}
- return;
+ goto done;
}
/* Did we come from a system call? */
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
}
+
+done:
+ /* Avoid double syscall restart if there are nested signals. */
+ regs->faultnum = INT_SWINT_1_SIGRETURN;
}