diff options
author | Steven Rostedt <srostedt@redhat.com> | 2009-02-04 21:29:03 -0500 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-22 18:48:52 -0500 |
commit | 44e1d064b919cb3a56ef67e0f7e244927be8369a (patch) | |
tree | 762726075892adea2b60f18e30f63656b9f8aaa4 /arch/powerpc/kernel/ftrace.c | |
parent | 35f88e6b06d024ed25e8ed5420c5c8844b54e1a1 (diff) |
ftrace, powerpc: replace debug macro with proper pr_deug
Impact: cleanup
The PowerPC ftrace code uses a hacked up DEBUGP macro for prints.
This patch converts it to the standard pr_debug.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/ftrace.c')
-rw-r--r-- | arch/powerpc/kernel/ftrace.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 60c60ccf5e3c..77a7d186db1c 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c | |||
@@ -20,12 +20,6 @@ | |||
20 | #include <asm/code-patching.h> | 20 | #include <asm/code-patching.h> |
21 | #include <asm/ftrace.h> | 21 | #include <asm/ftrace.h> |
22 | 22 | ||
23 | #if 0 | ||
24 | #define DEBUGP printk | ||
25 | #else | ||
26 | #define DEBUGP(fmt , ...) do { } while (0) | ||
27 | #endif | ||
28 | |||
29 | static unsigned int ftrace_nop = PPC_NOP_INSTR; | 23 | static unsigned int ftrace_nop = PPC_NOP_INSTR; |
30 | 24 | ||
31 | #ifdef CONFIG_PPC32 | 25 | #ifdef CONFIG_PPC32 |
@@ -175,7 +169,7 @@ __ftrace_make_nop(struct module *mod, | |||
175 | * 0xe8, 0x4c, 0x00, 0x28, ld r2,40(r12) | 169 | * 0xe8, 0x4c, 0x00, 0x28, ld r2,40(r12) |
176 | */ | 170 | */ |
177 | 171 | ||
178 | DEBUGP("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc); | 172 | pr_debug("ip:%lx jumps to %lx r2: %lx", ip, tramp, mod->arch.toc); |
179 | 173 | ||
180 | /* Find where the trampoline jumps to */ | 174 | /* Find where the trampoline jumps to */ |
181 | if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) { | 175 | if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) { |
@@ -183,7 +177,7 @@ __ftrace_make_nop(struct module *mod, | |||
183 | return -EFAULT; | 177 | return -EFAULT; |
184 | } | 178 | } |
185 | 179 | ||
186 | DEBUGP(" %08x %08x", jmp[0], jmp[1]); | 180 | pr_debug(" %08x %08x", jmp[0], jmp[1]); |
187 | 181 | ||
188 | /* verify that this is what we expect it to be */ | 182 | /* verify that this is what we expect it to be */ |
189 | if (((jmp[0] & 0xffff0000) != 0x3d820000) || | 183 | if (((jmp[0] & 0xffff0000) != 0x3d820000) || |
@@ -199,18 +193,18 @@ __ftrace_make_nop(struct module *mod, | |||
199 | offset = ((unsigned)((unsigned short)jmp[0]) << 16) + | 193 | offset = ((unsigned)((unsigned short)jmp[0]) << 16) + |
200 | (int)((short)jmp[1]); | 194 | (int)((short)jmp[1]); |
201 | 195 | ||
202 | DEBUGP(" %x ", offset); | 196 | pr_debug(" %x ", offset); |
203 | 197 | ||
204 | /* get the address this jumps too */ | 198 | /* get the address this jumps too */ |
205 | tramp = mod->arch.toc + offset + 32; | 199 | tramp = mod->arch.toc + offset + 32; |
206 | DEBUGP("toc: %lx", tramp); | 200 | pr_debug("toc: %lx", tramp); |
207 | 201 | ||
208 | if (probe_kernel_read(jmp, (void *)tramp, 8)) { | 202 | if (probe_kernel_read(jmp, (void *)tramp, 8)) { |
209 | printk(KERN_ERR "Failed to read %lx\n", tramp); | 203 | printk(KERN_ERR "Failed to read %lx\n", tramp); |
210 | return -EFAULT; | 204 | return -EFAULT; |
211 | } | 205 | } |
212 | 206 | ||
213 | DEBUGP(" %08x %08x\n", jmp[0], jmp[1]); | 207 | pr_debug(" %08x %08x\n", jmp[0], jmp[1]); |
214 | 208 | ||
215 | ptr = ((unsigned long)jmp[0] << 32) + jmp[1]; | 209 | ptr = ((unsigned long)jmp[0] << 32) + jmp[1]; |
216 | 210 | ||
@@ -287,7 +281,7 @@ __ftrace_make_nop(struct module *mod, | |||
287 | * 0x4e, 0x80, 0x04, 0x20 bctr | 281 | * 0x4e, 0x80, 0x04, 0x20 bctr |
288 | */ | 282 | */ |
289 | 283 | ||
290 | DEBUGP("ip:%lx jumps to %lx", ip, tramp); | 284 | pr_debug("ip:%lx jumps to %lx", ip, tramp); |
291 | 285 | ||
292 | /* Find where the trampoline jumps to */ | 286 | /* Find where the trampoline jumps to */ |
293 | if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) { | 287 | if (probe_kernel_read(jmp, (void *)tramp, sizeof(jmp))) { |
@@ -295,7 +289,7 @@ __ftrace_make_nop(struct module *mod, | |||
295 | return -EFAULT; | 289 | return -EFAULT; |
296 | } | 290 | } |
297 | 291 | ||
298 | DEBUGP(" %08x %08x ", jmp[0], jmp[1]); | 292 | pr_debug(" %08x %08x ", jmp[0], jmp[1]); |
299 | 293 | ||
300 | /* verify that this is what we expect it to be */ | 294 | /* verify that this is what we expect it to be */ |
301 | if (((jmp[0] & 0xffff0000) != 0x3d600000) || | 295 | if (((jmp[0] & 0xffff0000) != 0x3d600000) || |
@@ -311,7 +305,7 @@ __ftrace_make_nop(struct module *mod, | |||
311 | if (tramp & 0x8000) | 305 | if (tramp & 0x8000) |
312 | tramp -= 0x10000; | 306 | tramp -= 0x10000; |
313 | 307 | ||
314 | DEBUGP(" %x ", tramp); | 308 | pr_debug(" %x ", tramp); |
315 | 309 | ||
316 | if (tramp != addr) { | 310 | if (tramp != addr) { |
317 | printk(KERN_ERR | 311 | printk(KERN_ERR |
@@ -414,7 +408,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | |||
414 | /* ld r2,40(r1) */ | 408 | /* ld r2,40(r1) */ |
415 | op[1] = 0xe8410028; | 409 | op[1] = 0xe8410028; |
416 | 410 | ||
417 | DEBUGP("write to %lx\n", rec->ip); | 411 | pr_debug("write to %lx\n", rec->ip); |
418 | 412 | ||
419 | if (probe_kernel_write((void *)ip, op, MCOUNT_INSN_SIZE * 2)) | 413 | if (probe_kernel_write((void *)ip, op, MCOUNT_INSN_SIZE * 2)) |
420 | return -EPERM; | 414 | return -EPERM; |
@@ -454,7 +448,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | |||
454 | return -EINVAL; | 448 | return -EINVAL; |
455 | } | 449 | } |
456 | 450 | ||
457 | DEBUGP("write to %lx\n", rec->ip); | 451 | pr_debug("write to %lx\n", rec->ip); |
458 | 452 | ||
459 | if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE)) | 453 | if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE)) |
460 | return -EPERM; | 454 | return -EPERM; |