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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 18:29:33 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 18:29:33 -0400
commitfd2f261053b2f125d5f6882b6d095ce2f4076fe5 (patch)
tree5be548353e3c8b3a7e1e5e01e41b88777ad6d249 /arch/s390/kernel
parent99e1221d1a1edac316f7f8116c781f75733b1159 (diff)
parenta07a5b336f699e21d405764931a9d5426dc4f945 (diff)
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Fix broken logic, SIGA flags must be bitwise ORed [S390] cio: Dont print trailing \0 in modalias_show(). [S390] Simplify stack trace. [S390] z/VM unit record device driver [S390] vmcp cleanup [S390] qdio: output queue stall on FCP and network devices [S390] Fix disassembly of RX_URRD, SI_URD & PC-relative instructions. [S390] Update default configuration.
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/dis.c7
-rw-r--r--arch/s390/kernel/stacktrace.c26
2 files changed, 15 insertions, 18 deletions
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
index a057ebf108a7..d3057318f2bf 100644
--- a/arch/s390/kernel/dis.c
+++ b/arch/s390/kernel/dis.c
@@ -240,8 +240,8 @@ static const unsigned char formats[][7] = {
240 [INSTR_RXY_FRRD] = { 0xff, F_8,D20_20,X_12,B_16,0,0 },/* e.g. ley */ 240 [INSTR_RXY_FRRD] = { 0xff, F_8,D20_20,X_12,B_16,0,0 },/* e.g. ley */
241 [INSTR_RX_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 }, /* e.g. ae */ 241 [INSTR_RX_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 }, /* e.g. ae */
242 [INSTR_RX_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 }, /* e.g. l */ 242 [INSTR_RX_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 }, /* e.g. l */
243 [INSTR_RX_URRD] = { 0x00, U4_8,D_20,X_12,B_16,0,0 }, /* e.g. bc */ 243 [INSTR_RX_URRD] = { 0xff, U4_8,D_20,X_12,B_16,0,0 }, /* e.g. bc */
244 [INSTR_SI_URD] = { 0x00, D_20,B_16,U8_8,0,0,0 }, /* e.g. cli */ 244 [INSTR_SI_URD] = { 0xff, D_20,B_16,U8_8,0,0,0 }, /* e.g. cli */
245 [INSTR_SIY_URD] = { 0xff, D20_20,B_16,U8_8,0,0,0 }, /* e.g. tmy */ 245 [INSTR_SIY_URD] = { 0xff, D20_20,B_16,U8_8,0,0,0 }, /* e.g. tmy */
246 [INSTR_SSE_RDRD] = { 0xff, D_20,B_16,D_36,B_32,0,0 }, /* e.g. mvsdk */ 246 [INSTR_SSE_RDRD] = { 0xff, D_20,B_16,D_36,B_32,0,0 }, /* e.g. mvsdk */
247 [INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 }, 247 [INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
@@ -1190,7 +1190,8 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
1190 else if (operand->flags & OPERAND_CR) 1190 else if (operand->flags & OPERAND_CR)
1191 ptr += sprintf(ptr, "%%c%i", value); 1191 ptr += sprintf(ptr, "%%c%i", value);
1192 else if (operand->flags & OPERAND_PCREL) 1192 else if (operand->flags & OPERAND_PCREL)
1193 ptr += sprintf(ptr, "%lx", value + addr); 1193 ptr += sprintf(ptr, "%lx", (signed int) value
1194 + addr);
1194 else if (operand->flags & OPERAND_SIGNED) 1195 else if (operand->flags & OPERAND_SIGNED)
1195 ptr += sprintf(ptr, "%i", value); 1196 ptr += sprintf(ptr, "%i", value);
1196 else 1197 else
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 515ff9011dd7..da6924729964 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -12,7 +12,6 @@
12#include <linux/kallsyms.h> 12#include <linux/kallsyms.h>
13 13
14static unsigned long save_context_stack(struct stack_trace *trace, 14static unsigned long save_context_stack(struct stack_trace *trace,
15 unsigned int *skip,
16 unsigned long sp, 15 unsigned long sp,
17 unsigned long low, 16 unsigned long low,
18 unsigned long high) 17 unsigned long high)
@@ -28,10 +27,10 @@ static unsigned long save_context_stack(struct stack_trace *trace,
28 sf = (struct stack_frame *)sp; 27 sf = (struct stack_frame *)sp;
29 while(1) { 28 while(1) {
30 addr = sf->gprs[8] & PSW_ADDR_INSN; 29 addr = sf->gprs[8] & PSW_ADDR_INSN;
31 if (!(*skip)) 30 if (!trace->skip)
32 trace->entries[trace->nr_entries++] = addr; 31 trace->entries[trace->nr_entries++] = addr;
33 else 32 else
34 (*skip)--; 33 trace->skip--;
35 if (trace->nr_entries >= trace->max_entries) 34 if (trace->nr_entries >= trace->max_entries)
36 return sp; 35 return sp;
37 low = sp; 36 low = sp;
@@ -48,10 +47,10 @@ static unsigned long save_context_stack(struct stack_trace *trace,
48 return sp; 47 return sp;
49 regs = (struct pt_regs *)sp; 48 regs = (struct pt_regs *)sp;
50 addr = regs->psw.addr & PSW_ADDR_INSN; 49 addr = regs->psw.addr & PSW_ADDR_INSN;
51 if (!(*skip)) 50 if (!trace->skip)
52 trace->entries[trace->nr_entries++] = addr; 51 trace->entries[trace->nr_entries++] = addr;
53 else 52 else
54 (*skip)--; 53 trace->skip--;
55 if (trace->nr_entries >= trace->max_entries) 54 if (trace->nr_entries >= trace->max_entries)
56 return sp; 55 return sp;
57 low = sp; 56 low = sp;
@@ -65,20 +64,17 @@ void save_stack_trace(struct stack_trace *trace)
65 unsigned long orig_sp, new_sp; 64 unsigned long orig_sp, new_sp;
66 65
67 orig_sp = sp & PSW_ADDR_INSN; 66 orig_sp = sp & PSW_ADDR_INSN;
68 67 new_sp = save_context_stack(trace, orig_sp,
69 new_sp = save_context_stack(trace, &trace->skip, orig_sp, 68 S390_lowcore.panic_stack - PAGE_SIZE,
70 S390_lowcore.panic_stack - PAGE_SIZE, 69 S390_lowcore.panic_stack);
71 S390_lowcore.panic_stack);
72 if (new_sp != orig_sp) 70 if (new_sp != orig_sp)
73 return; 71 return;
74 new_sp = save_context_stack(trace, &trace->skip, new_sp, 72 new_sp = save_context_stack(trace, new_sp,
75 S390_lowcore.async_stack - ASYNC_SIZE, 73 S390_lowcore.async_stack - ASYNC_SIZE,
76 S390_lowcore.async_stack); 74 S390_lowcore.async_stack);
77 if (new_sp != orig_sp) 75 if (new_sp != orig_sp)
78 return; 76 return;
79 77 save_context_stack(trace, new_sp,
80 save_context_stack(trace, &trace->skip, new_sp,
81 S390_lowcore.thread_info, 78 S390_lowcore.thread_info,
82 S390_lowcore.thread_info + THREAD_SIZE); 79 S390_lowcore.thread_info + THREAD_SIZE);
83 return;
84} 80}