kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arc/kernel/unwind.c
..
..
@@ -1,11 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3
4
  * Copyright (C) 2002-2006 Novell, Inc.
4
5
  *	Jan Beulich <jbeulich@novell.com>
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License version 2 as
8
- * published by the Free Software Foundation.
9
6
  *
10
7
  * A simple API for unwinding kernel stacks.  This is used for
11
8
  * debugging and error reporting purposes.  The kernel doesn't need
..
..
@@ -15,7 +12,7 @@
15
12
 
16
13
 #include <linux/sched.h>
17
14
 #include <linux/module.h>
18
-#include <linux/bootmem.h>
15
+#include <linux/memblock.h>
19
16
 #include <linux/sort.h>
20
17
 #include <linux/slab.h>
21
18
 #include <linux/stop_machine.h>
..
..
@@ -45,10 +42,10 @@
45
42
 
46
43
 #define EXTRA_INFO(f) { \
47
44
 		BUILD_BUG_ON_ZERO(offsetof(struct unwind_frame_info, f) \
48
-				% FIELD_SIZEOF(struct unwind_frame_info, f)) \
45
+				% sizeof_field(struct unwind_frame_info, f)) \
49
46
 				+ offsetof(struct unwind_frame_info, f) \
50
-				/ FIELD_SIZEOF(struct unwind_frame_info, f), \
51
-				FIELD_SIZEOF(struct unwind_frame_info, f) \
47
+				/ sizeof_field(struct unwind_frame_info, f), \
48
+				sizeof_field(struct unwind_frame_info, f) \
52
49
 	}
53
50
 #define PTREGS_INFO(f) EXTRA_INFO(regs.f)
54
51
 
..
..
@@ -181,8 +178,7 @@
181
178
  */
182
179
 static void *__init unw_hdr_alloc_early(unsigned long sz)
183
180
 {
184
-	return __alloc_bootmem_nopanic(sz, sizeof(unsigned int),
185
-				       MAX_DMA_ADDRESS);
181
+	return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS);
186
182
 }
187
183
 
188
184
 static void init_unwind_table(struct unwind_table *table, const char *name,
..
..
@@ -576,6 +572,7 @@
576
572
 #else
577
573
 		BUILD_BUG_ON(sizeof(u32) != sizeof(value));
578
574
 #endif
575
+		fallthrough;
579
576
 	case DW_EH_PE_native:
580
577
 		if (end < (const void *)(ptr.pul + 1))
581
578
 			return 0;
..
..
@@ -830,7 +827,7 @@
830
827
 			case DW_CFA_def_cfa:
831
828
 				state->cfa.reg = get_uleb128(&ptr.p8, end);
832
829
 				unw_debug("cfa_def_cfa: r%lu ", state->cfa.reg);
833
-				/*nobreak*/
830
+				fallthrough;
834
831
 			case DW_CFA_def_cfa_offset:
835
832
 				state->cfa.offs = get_uleb128(&ptr.p8, end);
836
833
 				unw_debug("cfa_def_cfa_offset: 0x%lx ",
..
..
@@ -838,7 +835,7 @@
838
835
 				break;
839
836
 			case DW_CFA_def_cfa_sf:
840
837
 				state->cfa.reg = get_uleb128(&ptr.p8, end);
841
-				/*nobreak */
838
+				fallthrough;
842
839
 			case DW_CFA_def_cfa_offset_sf:
843
840
 				state->cfa.offs = get_sleb128(&ptr.p8, end)
844
841
 				    * state->dataAlign;
..
..
@@ -1181,11 +1178,9 @@
1181
1178
 #endif
1182
1179
 
1183
1180
 	/* update frame */
1184
-#ifndef CONFIG_AS_CFI_SIGNAL_FRAME
1185
1181
 	if (frame->call_frame
1186
1182
 	    && !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign))
1187
1183
 		frame->call_frame = 0;
1188
-#endif
1189
1184
 	cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs;
1190
1185
 	startLoc = min_t(unsigned long, UNW_SP(frame), cfa);
1191
1186
 	endLoc = max_t(unsigned long, UNW_SP(frame), cfa);