mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/arch/alpha/kernel/traps.c
..
..
@@ -121,10 +121,10 @@
121
121
 }
122
122
 
123
123
 static void
124
-dik_show_trace(unsigned long *sp)
124
+dik_show_trace(unsigned long *sp, const char *loglvl)
125
125
 {
126
126
 	long i = 0;
127
-	printk("Trace:\n");
127
+	printk("%sTrace:\n", loglvl);
128
128
 	while (0x1ff8 & (unsigned long) sp) {
129
129
 		extern char _stext[], _etext[];
130
130
 		unsigned long tmp = *sp;
..
..
@@ -133,24 +133,24 @@
133
133
 			continue;
134
134
 		if (tmp >= (unsigned long) &_etext)
135
135
 			continue;
136
-		printk("[<%lx>] %pSR\n", tmp, (void *)tmp);
136
+		printk("%s[<%lx>] %pSR\n", loglvl, tmp, (void *)tmp);
137
137
 		if (i > 40) {
138
-			printk(" ...");
138
+			printk("%s ...", loglvl);
139
139
 			break;
140
140
 		}
141
141
 	}
142
-	printk("\n");
142
+	printk("%s\n", loglvl);
143
143
 }
144
144
 
145
145
 static int kstack_depth_to_print = 24;
146
146
 
147
-void show_stack(struct task_struct *task, unsigned long *sp)
147
+void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
148
148
 {
149
149
 	unsigned long *stack;
150
150
 	int i;
151
151
 
152
152
 	/*
153
-	 * debugging aid: "show_stack(NULL);" prints the
153
+	 * debugging aid: "show_stack(NULL, NULL, KERN_EMERG);" prints the
154
154
 	 * back trace for this cpu.
155
155
 	 */
156
156
 	if(sp==NULL)
..
..
@@ -163,14 +163,14 @@
163
163
 		if ((i % 4) == 0) {
164
164
 			if (i)
165
165
 				pr_cont("\n");
166
-			printk("       ");
166
+			printk("%s       ", loglvl);
167
167
 		} else {
168
168
 			pr_cont(" ");
169
169
 		}
170
170
 		pr_cont("%016lx", *stack++);
171
171
 	}
172
172
 	pr_cont("\n");
173
-	dik_show_trace(sp);
173
+	dik_show_trace(sp, loglvl);
174
174
 }
175
175
 
176
176
 void
..
..
@@ -184,7 +184,7 @@
184
184
 	printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
185
185
 	dik_show_regs(regs, r9_15);
186
186
 	add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
187
-	dik_show_trace((unsigned long *)(regs+1));
187
+	dik_show_trace((unsigned long *)(regs+1), KERN_DEFAULT);
188
188
 	dik_show_code((unsigned int *)regs->pc);
189
189
 
190
190
 	if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) {
..
..
@@ -402,7 +402,7 @@
402
402
 {
403
403
 	die_if_kernel("Instruction fault", regs, 0, NULL);
404
404
 
405
-	force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)regs->pc, 0, current);
405
+	force_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)regs->pc, 0);
406
406
 }
407
407
 
408
408
 
..
..
@@ -625,7 +625,7 @@
625
625
 	printk("gp = %016lx  sp = %p\n", regs->gp, regs+1);
626
626
 
627
627
 	dik_show_code((unsigned int *)pc);
628
-	dik_show_trace((unsigned long *)(regs+1));
628
+	dik_show_trace((unsigned long *)(regs+1), KERN_DEFAULT);
629
629
 
630
630
 	if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) {
631
631
 		printk("die_if_kernel recursion detected.\n");
..
..
@@ -883,7 +883,7 @@
883
883
 
884
884
 	case 0x26: /* sts */
885
885
 		fake_reg = s_reg_to_mem(alpha_read_fp_reg(reg));
886
-		/* FALLTHRU */
886
+		fallthrough;
887
887
 
888
888
 	case 0x2c: /* stl */
889
889
 		__asm__ __volatile__(
..
..
@@ -911,7 +911,7 @@
911
911
 
912
912
 	case 0x27: /* stt */
913
913
 		fake_reg = alpha_read_fp_reg(reg);
914
-		/* FALLTHRU */
914
+		fallthrough;
915
915
 
916
916
 	case 0x2d: /* stq */
917
917
 		__asm__ __volatile__(
..
..
@@ -957,12 +957,12 @@
957
957
 		si_code = SEGV_ACCERR;
958
958
 	else {
959
959
 		struct mm_struct *mm = current->mm;
960
-		down_read(&mm->mmap_sem);
960
+		mmap_read_lock(mm);
961
961
 		if (find_vma(mm, (unsigned long)va))
962
962
 			si_code = SEGV_ACCERR;
963
963
 		else
964
964
 			si_code = SEGV_MAPERR;
965
-		up_read(&mm->mmap_sem);
965
+		mmap_read_unlock(mm);
966
966
 	}
967
967
 	send_sig_fault(SIGSEGV, si_code, va, 0, current);
968
968
 	return;