[PATCH 17/22] m68k/kernel: Modernize printing of kernel messages

From: Geert Uytterhoeven
Date: Wed Dec 07 2016 - 10:13:29 EST


- Use pr_err_ratelimited() instead of deprecated printk_ratelimit(),
- Add dummies for validating format strings when debugging is
disabled,
- Convert from printk() to pr_*(),
- Correct printf()-style format specifiers.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
arch/m68k/kernel/dma.c | 4 ++--
arch/m68k/kernel/module.c | 12 ++++++------
arch/m68k/kernel/process.c | 20 ++++++++++----------
arch/m68k/kernel/signal.c | 24 +++++++-----------------
arch/m68k/kernel/uboot.c | 3 +--
5 files changed, 26 insertions(+), 37 deletions(-)

diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c
index 8cf97cbadc91a705..805c6ccb23ef1bd5 100644
--- a/arch/m68k/kernel/dma.c
+++ b/arch/m68k/kernel/dma.c
@@ -110,8 +110,8 @@ static void m68k_dma_sync_single_for_device(struct device *dev,
cache_clear(handle, size);
break;
default:
- if (printk_ratelimit())
- printk("dma_sync_single_for_device: unsupported dir %u\n", dir);
+ pr_err_ratelimited("dma_sync_single_for_device: unsupported dir %u\n",
+ dir);
break;
}
}
diff --git a/arch/m68k/kernel/module.c b/arch/m68k/kernel/module.c
index eb46fd6038cac73a..aaac2da318ffd377 100644
--- a/arch/m68k/kernel/module.c
+++ b/arch/m68k/kernel/module.c
@@ -12,9 +12,9 @@
#include <linux/kernel.h>

#if 0
-#define DEBUGP printk
+#define DEBUGP(fmt, ...) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#else
-#define DEBUGP(fmt...)
+#define DEBUGP(fmt, ...) no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#endif

#ifdef CONFIG_MODULES
@@ -51,8 +51,8 @@ int apply_relocate(Elf32_Shdr *sechdrs,
*location += sym->st_value - (uint32_t)location;
break;
default:
- printk(KERN_ERR "module %s: Unknown relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
+ pr_err("module %s: Unknown relocation: %u\n", me->name,
+ ELF32_R_TYPE(rel[i].r_info));
return -ENOEXEC;
}
}
@@ -91,8 +91,8 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
*location = rel[i].r_addend + sym->st_value - (uint32_t)location;
break;
default:
- printk(KERN_ERR "module %s: Unknown relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
+ pr_err("module %s: Unknown relocation: %u\n", me->name,
+ ELF32_R_TYPE(rel[i].r_info));
return -ENOEXEC;
}
}
diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index 4ba1ae7345c324c9..2be5720e649ff42e 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -87,17 +87,17 @@ void machine_power_off(void)

void show_regs(struct pt_regs * regs)
{
- printk("\n");
- printk("Format %02x Vector: %04x PC: %08lx Status: %04x %s\n",
- regs->format, regs->vector, regs->pc, regs->sr, print_tainted());
- printk("ORIG_D0: %08lx D0: %08lx A2: %08lx A1: %08lx\n",
- regs->orig_d0, regs->d0, regs->a2, regs->a1);
- printk("A0: %08lx D5: %08lx D4: %08lx\n",
- regs->a0, regs->d5, regs->d4);
- printk("D3: %08lx D2: %08lx D1: %08lx\n",
- regs->d3, regs->d2, regs->d1);
+ pr_info("Format %02x Vector: %04x PC: %08lx Status: %04x %s\n",
+ regs->format, regs->vector, regs->pc, regs->sr,
+ print_tainted());
+ pr_info("ORIG_D0: %08lx D0: %08lx A2: %08lx A1: %08lx\n",
+ regs->orig_d0, regs->d0, regs->a2, regs->a1);
+ pr_info("A0: %08lx D5: %08lx D4: %08lx\n", regs->a0, regs->d5,
+ regs->d4);
+ pr_info("D3: %08lx D2: %08lx D1: %08lx\n", regs->d3, regs->d2,
+ regs->d1);
if (!(regs->sr & PS_S))
- printk("USP: %08lx\n", rdusp());
+ pr_info("USP: %08lx\n", rdusp());
}

void flush_thread(void)
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 58507edbdf1d5fa8..ef471c87776d92c7 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -598,9 +598,7 @@ static int mangle_kernel_stack(struct pt_regs *regs, int formatvec,
/*
* user process trying to return with weird frame format
*/
-#ifdef DEBUG
- printk("user process returning with weird frame format\n");
-#endif
+ pr_debug("user process returning with weird frame format\n");
return 1;
}
if (!fsize) {
@@ -846,10 +844,8 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
int err = 0, sig = ksig->sig;

if (fsize < 0) {
-#ifdef DEBUG
- printk ("setup_frame: Unknown frame format %#x\n",
- regs->format);
-#endif
+ pr_debug("setup_frame: Unknown frame format %#x\n",
+ regs->format);
return -EFAULT;
}

@@ -905,9 +901,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
if (regs->stkadj) {
struct pt_regs *tregs =
(struct pt_regs *)((ulong)regs + regs->stkadj);
-#ifdef DEBUG
- printk("Performing stackadjust=%04x\n", regs->stkadj);
-#endif
+ pr_debug("Performing stackadjust=%04lx\n", regs->stkadj);
/* This must be copied with decreasing addresses to
handle overlaps. */
tregs->vector = 0;
@@ -926,10 +920,8 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
int err = 0, sig = ksig->sig;

if (fsize < 0) {
-#ifdef DEBUG
- printk ("setup_frame: Unknown frame format %#x\n",
- regs->format);
-#endif
+ pr_debug("setup_frame: Unknown frame format %#x\n",
+ regs->format);
return -EFAULT;
}

@@ -993,9 +985,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
if (regs->stkadj) {
struct pt_regs *tregs =
(struct pt_regs *)((ulong)regs + regs->stkadj);
-#ifdef DEBUG
- printk("Performing stackadjust=%04x\n", regs->stkadj);
-#endif
+ pr_debug("Performing stackadjust=%04lx\n", regs->stkadj);
/* This must be copied with decreasing addresses to
handle overlaps. */
tregs->vector = 0;
diff --git a/arch/m68k/kernel/uboot.c b/arch/m68k/kernel/uboot.c
index b3536a82a26202b6..b29c3b241e1bb590 100644
--- a/arch/m68k/kernel/uboot.c
+++ b/arch/m68k/kernel/uboot.c
@@ -83,8 +83,7 @@ static void __init parse_uboot_commandline(char *commandp, int size)
initrd_start = uboot_initrd_start;
initrd_end = uboot_initrd_end;
ROOT_DEV = Root_RAM0;
- printk(KERN_INFO "initrd at 0x%lx:0x%lx\n",
- initrd_start, initrd_end);
+ pr_info("initrd at 0x%lx:0x%lx\n", initrd_start, initrd_end);
}
#endif /* if defined(CONFIG_BLK_DEV_INITRD) */
}
--
1.9.1