add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/arch/sparc/kernel/signal_32.c
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@@ -23,8 +23,6 @@
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 #include <linux/uaccess.h>
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 #include <asm/ptrace.h>
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-#include <asm/pgalloc.h>
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-#include <asm/pgtable.h>
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 #include <asm/cacheflush.h>	/* flush_sig_insns */
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 #include <asm/switch_to.h>
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@@ -67,7 +65,7 @@
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  */
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 static inline bool invalid_frame_pointer(void __user *fp, int fplen)
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 {
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-	if ((((unsigned long) fp) & 15) || !__access_ok((unsigned long)fp, fplen))
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+	if ((((unsigned long) fp) & 15) || !access_ok(fp, fplen))
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 		return true;
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 	return false;
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@@ -137,7 +135,7 @@
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 	return;
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 segv_and_exit:
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-	force_sig(SIGSEGV, current);
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+	force_sig(SIGSEGV);
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 }
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 asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
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@@ -196,7 +194,7 @@
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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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@@ -442,7 +440,7 @@
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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->pc -= 4;
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@@ -508,6 +506,7 @@
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 				regs->pc -= 4;
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 				regs->npc -= 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->pc -= 4;
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@@ -522,12 +521,10 @@
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 void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
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 		      unsigned long thread_info_flags)
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 {
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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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 }
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 asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,