write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/arch/arc/kernel/traps.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Traps/Non-MMU Exception handling for ARC
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  *
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  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * vineetg: May 2011
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  *  -user-space unaligned access emulation
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@@ -42,21 +39,22 @@
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  *  -for kernel, chk if due to copy_(to|from)_user, otherwise die()
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  */
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 static noinline int
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-unhandled_exception(const char *str, struct pt_regs *regs, siginfo_t *info)
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+unhandled_exception(const char *str, struct pt_regs *regs,
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+		    int signo, int si_code, void __user *addr)
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 {
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 	if (user_mode(regs)) {
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 		struct task_struct *tsk = current;
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-		tsk->thread.fault_address = (__force unsigned int)info->si_addr;
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+		tsk->thread.fault_address = (__force unsigned int)addr;
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-		force_sig_info(info->si_signo, info, tsk);
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+		force_sig_fault(signo, si_code, addr);
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 	} else {
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 		/* If not due to copy_(to|from)_user, we are doomed */
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 		if (fixup_exception(regs))
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 			return 0;
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-		die(str, regs, (unsigned long)info->si_addr);
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+		die(str, regs, (unsigned long)addr);
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 	}
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 	return 1;
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@@ -64,16 +62,9 @@
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 #define DO_ERROR_INFO(signr, str, name, sicode) \
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 int name(unsigned long address, struct pt_regs *regs) \
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-{						\
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-	siginfo_t info;				\
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-						\
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-	clear_siginfo(&info);			\
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-	info.si_signo = signr;			\
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-	info.si_errno = 0;			\
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-	info.si_code  = sicode;			\
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-	info.si_addr = (void __user *)address;	\
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-						\
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-	return unhandled_exception(str, regs, &info);\
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+{								\
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+	return unhandled_exception(str, regs, signr, sicode,	\
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+				   (void __user *)address);	\
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 }
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 /*