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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/arch/sparc/kernel/signal_64.c
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@@ -25,7 +25,6 @@
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 #include <linux/uaccess.h>
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 #include <asm/ptrace.h>
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-#include <asm/pgtable.h>
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 #include <asm/fpumacro.h>
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 #include <asm/uctx.h>
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 #include <asm/siginfo.h>
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@@ -134,7 +133,7 @@
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 	exception_exit(prev_state);
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 	return;
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 do_sigsegv:
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-	force_sig(SIGSEGV, current);
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+	force_sig(SIGSEGV);
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 	goto out;
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 }
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@@ -228,7 +227,7 @@
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 	exception_exit(prev_state);
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 	return;
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 do_sigsegv:
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-	force_sig(SIGSEGV, current);
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+	force_sig(SIGSEGV);
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 	goto out;
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 }
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@@ -320,7 +319,7 @@
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 	set_current_blocked(&set);
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 	return;
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 segv:
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-	force_sig(SIGSEGV, current);
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+	force_sig(SIGSEGV);
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 }
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 static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, unsigned long framesize)
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@@ -374,7 +373,7 @@
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 			pr_info("%s[%d] bad frame in setup_rt_frame: %016lx TPC %016lx O7 %016lx\n",
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 				current->comm, current->pid, (unsigned long)sf,
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 				regs->tpc, regs->u_regs[UREG_I7]);
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-		force_sigsegv(ksig->sig, current);
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+		force_sigsegv(ksig->sig);
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 		return -EINVAL;
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 	}
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@@ -462,7 +461,7 @@
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 	case ERESTARTSYS:
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 		if (!(sa->sa_flags & SA_RESTART))
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 			goto no_system_call_restart;
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-		/* fallthrough */
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+		fallthrough;
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 	case ERESTARTNOINTR:
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 		regs->u_regs[UREG_I0] = orig_i0;
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 		regs->tpc -= 4;
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@@ -533,6 +532,7 @@
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 				regs->tpc -= 4;
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 				regs->tnpc -= 4;
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 				pt_regs_clear_syscall(regs);
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+				fallthrough;
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 			case ERESTART_RESTARTBLOCK:
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 				regs->u_regs[UREG_G1] = __NR_restart_syscall;
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 				regs->tpc -= 4;
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@@ -549,12 +549,10 @@
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 	user_exit();
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 	if (thread_info_flags & _TIF_UPROBE)
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 		uprobe_notify_resume(regs);
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-	if (thread_info_flags & _TIF_SIGPENDING)
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+	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
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 		do_signal(regs, orig_i0);
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-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
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-		clear_thread_flag(TIF_NOTIFY_RESUME);
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+	if (thread_info_flags & _TIF_NOTIFY_RESUME)
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 		tracehook_notify_resume(regs);
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-	}
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 	user_enter();
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 }
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