Once upon at it was used on hot paths, but that had not been
true since 2013. IOW, there's no point for arch-optimized
equivalent of task_pt_regs(current) - remaining two users are
not worth bothering with.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
#define current_pt_regs() \
((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1)
-#define signal_pt_regs current_pt_regs
#define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
static atomic_t core_dump_count = ATOMIC_INIT(0);
struct coredump_params cprm = {
.siginfo = siginfo,
- .regs = signal_pt_regs(),
+ .regs = task_pt_regs(current),
.limit = rlimit(RLIMIT_CORE),
/*
* We must use the same mm->flags while dumping core to avoid
#define current_pt_regs() task_pt_regs(current)
#endif
-/*
- * unlike current_pt_regs(), this one is equal to task_pt_regs(current)
- * on *all* architectures; the only reason to have a per-arch definition
- * is optimisation.
- */
-#ifndef signal_pt_regs
-#define signal_pt_regs() task_pt_regs(current)
-#endif
-
#ifndef current_user_stack_pointer
#define current_user_stack_pointer() user_stack_pointer(current_pt_regs())
#endif
static void print_fatal_signal(int signr)
{
- struct pt_regs *regs = signal_pt_regs();
+ struct pt_regs *regs = task_pt_regs(current);
pr_info("potentially unexpected fatal signal %d.\n", signr);
#if defined(__i386__) && !defined(__arch_um__)