x86/cpu: Convert printk(KERN_<LEVEL> ...) to pr_<level>(...)

 - Use the more current logging style pr_<level>(...) instead of the old
   printk(KERN_<LEVEL> ...).

 - Convert pr_warning() to pr_warn().

Signed-off-by: Chen Yucong <slaoub@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1454384702-21707-1-git-send-email-slaoub@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/kernel/cpu/amd.c

@@ -117,7 +117,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
 		void (*f_vide)(void);
 		u64 d, d2;
 
-		printk(KERN_INFO "AMD K6 stepping B detected - ");
+		pr_info("AMD K6 stepping B detected - ");
 
 		/*
 		 * It looks like AMD fixed the 2.6.2 bug and improved indirect
@@ -133,10 +133,9 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
 		d = d2-d;
 
 		if (d > 20*K6_BUG_LOOP)
-			printk(KERN_CONT
-				"system stability may be impaired when more than 32 MB are used.\n");
+			pr_cont("system stability may be impaired when more than 32 MB are used.\n");
 		else
-			printk(KERN_CONT "probably OK (after B9730xxxx).\n");
+			pr_cont("probably OK (after B9730xxxx).\n");
 	}
 
 	/* K6 with old style WHCR */
@@ -154,7 +153,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
 			wbinvd();
 			wrmsr(MSR_K6_WHCR, l, h);
 			local_irq_restore(flags);
-			printk(KERN_INFO "Enabling old style K6 write allocation for %d Mb\n",
+			pr_info("Enabling old style K6 write allocation for %d Mb\n",
 				mbytes);
 		}
 		return;
@@ -175,7 +174,7 @@ static void init_amd_k6(struct cpuinfo_x86 *c)
 			wbinvd();
 			wrmsr(MSR_K6_WHCR, l, h);
 			local_irq_restore(flags);
-			printk(KERN_INFO "Enabling new style K6 write allocation for %d Mb\n",
+			pr_info("Enabling new style K6 write allocation for %d Mb\n",
 				mbytes);
 		}
 
@@ -202,7 +201,7 @@ static void init_amd_k7(struct cpuinfo_x86 *c)
 	 */
 	if (c->x86_model >= 6 && c->x86_model <= 10) {
 		if (!cpu_has(c, X86_FEATURE_XMM)) {
-			printk(KERN_INFO "Enabling disabled K7/SSE Support.\n");
+			pr_info("Enabling disabled K7/SSE Support.\n");
 			msr_clear_bit(MSR_K7_HWCR, 15);
 			set_cpu_cap(c, X86_FEATURE_XMM);
 		}
@@ -216,9 +215,8 @@ static void init_amd_k7(struct cpuinfo_x86 *c)
 	if ((c->x86_model == 8 && c->x86_mask >= 1) || (c->x86_model > 8)) {
 		rdmsr(MSR_K7_CLK_CTL, l, h);
 		if ((l & 0xfff00000) != 0x20000000) {
-			printk(KERN_INFO
-			    "CPU: CLK_CTL MSR was %x. Reprogramming to %x\n",
-					l, ((l & 0x000fffff)|0x20000000));
+			pr_info("CPU: CLK_CTL MSR was %x. Reprogramming to %x\n",
+				l, ((l & 0x000fffff)|0x20000000));
 			wrmsr(MSR_K7_CLK_CTL, (l & 0x000fffff)|0x20000000, h);
 		}
 	}
@@ -485,7 +483,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 		if (!rdmsrl_safe(MSR_K8_TSEG_ADDR, &tseg)) {
 			unsigned long pfn = tseg >> PAGE_SHIFT;
 
-			printk(KERN_DEBUG "tseg: %010llx\n", tseg);
+			pr_debug("tseg: %010llx\n", tseg);
 			if (pfn_range_is_mapped(pfn, pfn + 1))
 				set_memory_4k((unsigned long)__va(tseg), 1);
 		}
@@ -500,8 +498,7 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
 
 			rdmsrl(MSR_K7_HWCR, val);
 			if (!(val & BIT(24)))
-				printk(KERN_WARNING FW_BUG "TSC doesn't count "
-					"with P0 frequency!\n");
+				pr_warn(FW_BUG "TSC doesn't count with P0 frequency!\n");
 		}
 	}
 

arch/x86/kernel/cpu/bugs_64.c

@@ -15,7 +15,7 @@ void __init check_bugs(void)
 {
 	identify_boot_cpu();
 #if !defined(CONFIG_SMP)
-	printk(KERN_INFO "CPU: ");
+	pr_info("CPU: ");
 	print_cpu_info(&boot_cpu_data);
 #endif
 	alternative_instructions();

arch/x86/kernel/cpu/centaur.c

@@ -29,15 +29,15 @@ static void init_c3(struct cpuinfo_x86 *c)
 			rdmsr(MSR_VIA_FCR, lo, hi);
 			lo |= ACE_FCR;		/* enable ACE unit */
 			wrmsr(MSR_VIA_FCR, lo, hi);
-			printk(KERN_INFO "CPU: Enabled ACE h/w crypto\n");
+			pr_info("CPU: Enabled ACE h/w crypto\n");
 		}
 
 		/* enable RNG unit, if present and disabled */
 		if ((tmp & (RNG_PRESENT | RNG_ENABLED)) == RNG_PRESENT) {
 			rdmsr(MSR_VIA_RNG, lo, hi);
 			lo |= RNG_ENABLE;	/* enable RNG unit */
 			wrmsr(MSR_VIA_RNG, lo, hi);
-			printk(KERN_INFO "CPU: Enabled h/w RNG\n");
+			pr_info("CPU: Enabled h/w RNG\n");
 		}
 
 		/* store Centaur Extended Feature Flags as
@@ -130,7 +130,7 @@ static void init_centaur(struct cpuinfo_x86 *c)
 			name = "C6";
 			fcr_set = ECX8|DSMC|EDCTLB|EMMX|ERETSTK;
 			fcr_clr = DPDC;
-			printk(KERN_NOTICE "Disabling bugged TSC.\n");
+			pr_notice("Disabling bugged TSC.\n");
 			clear_cpu_cap(c, X86_FEATURE_TSC);
 			break;
 		case 8:
@@ -163,11 +163,11 @@ static void init_centaur(struct cpuinfo_x86 *c)
 		newlo = (lo|fcr_set) & (~fcr_clr);
 
 		if (newlo != lo) {
-			printk(KERN_INFO "Centaur FCR was 0x%X now 0x%X\n",
+			pr_info("Centaur FCR was 0x%X now 0x%X\n",
 				lo, newlo);
 			wrmsr(MSR_IDT_FCR1, newlo, hi);
 		} else {
-			printk(KERN_INFO "Centaur FCR is 0x%X\n", lo);
+			pr_info("Centaur FCR is 0x%X\n", lo);
 		}
 		/* Emulate MTRRs using Centaur's MCR. */
 		set_cpu_cap(c, X86_FEATURE_CENTAUR_MCR);

arch/x86/kernel/cpu/common.c

@@ -228,7 +228,7 @@ static void squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
 	lo |= 0x200000;
 	wrmsr(MSR_IA32_BBL_CR_CTL, lo, hi);
 
-	printk(KERN_NOTICE "CPU serial number disabled.\n");
+	pr_notice("CPU serial number disabled.\n");
 	clear_cpu_cap(c, X86_FEATURE_PN);
 
 	/* Disabling the serial number may affect the cpuid level */
@@ -329,9 +329,8 @@ static void filter_cpuid_features(struct cpuinfo_x86 *c, bool warn)
 		if (!warn)
 			continue;
 
-		printk(KERN_WARNING
-		       "CPU: CPU feature " X86_CAP_FMT " disabled, no CPUID level 0x%x\n",
-				x86_cap_flag(df->feature), df->level);
+		pr_warn("CPU: CPU feature " X86_CAP_FMT " disabled, no CPUID level 0x%x\n",
+			x86_cap_flag(df->feature), df->level);
 	}
 }
 
@@ -510,7 +509,7 @@ void detect_ht(struct cpuinfo_x86 *c)
 	smp_num_siblings = (ebx & 0xff0000) >> 16;
 
 	if (smp_num_siblings == 1) {
-		printk_once(KERN_INFO "CPU0: Hyper-Threading is disabled\n");
+		pr_info_once("CPU0: Hyper-Threading is disabled\n");
 		goto out;
 	}
 
@@ -531,10 +530,10 @@ void detect_ht(struct cpuinfo_x86 *c)
 
 out:
 	if (!printed && (c->x86_max_cores * smp_num_siblings) > 1) {
-		printk(KERN_INFO  "CPU: Physical Processor ID: %d\n",
-		       c->phys_proc_id);
-		printk(KERN_INFO  "CPU: Processor Core ID: %d\n",
-		       c->cpu_core_id);
+		pr_info("CPU: Physical Processor ID: %d\n",
+			c->phys_proc_id);
+		pr_info("CPU: Processor Core ID: %d\n",
+			c->cpu_core_id);
 		printed = 1;
 	}
 #endif
@@ -559,9 +558,8 @@ static void get_cpu_vendor(struct cpuinfo_x86 *c)
 		}
 	}
 
-	printk_once(KERN_ERR
-			"CPU: vendor_id '%s' unknown, using generic init.\n" \
-			"CPU: Your system may be unstable.\n", v);
+	pr_err_once("CPU: vendor_id '%s' unknown, using generic init.\n" \
+		    "CPU: Your system may be unstable.\n", v);
 
 	c->x86_vendor = X86_VENDOR_UNKNOWN;
 	this_cpu = &default_cpu;
@@ -760,7 +758,7 @@ void __init early_cpu_init(void)
 	int count = 0;
 
 #ifdef CONFIG_PROCESSOR_SELECT
-	printk(KERN_INFO "KERNEL supported cpus:\n");
+	pr_info("KERNEL supported cpus:\n");
 #endif
 
 	for (cdev = __x86_cpu_dev_start; cdev < __x86_cpu_dev_end; cdev++) {
@@ -778,7 +776,7 @@ void __init early_cpu_init(void)
 			for (j = 0; j < 2; j++) {
 				if (!cpudev->c_ident[j])
 					continue;
-				printk(KERN_INFO "  %s %s\n", cpudev->c_vendor,
+				pr_info("  %s %s\n", cpudev->c_vendor,
 					cpudev->c_ident[j]);
 			}
 		}
@@ -1061,7 +1059,7 @@ static void __print_cpu_msr(void)
 		for (index = index_min; index < index_max; index++) {
 			if (rdmsrl_safe(index, &val))
 				continue;
-			printk(KERN_INFO " MSR%08x: %016llx\n", index, val);
+			pr_info(" MSR%08x: %016llx\n", index, val);
 		}
 	}
 }
@@ -1100,19 +1098,19 @@ void print_cpu_info(struct cpuinfo_x86 *c)
 	}
 
 	if (vendor && !strstr(c->x86_model_id, vendor))
-		printk(KERN_CONT "%s ", vendor);
+		pr_cont("%s ", vendor);
 
 	if (c->x86_model_id[0])
-		printk(KERN_CONT "%s", c->x86_model_id);
+		pr_cont("%s", c->x86_model_id);
 	else
-		printk(KERN_CONT "%d86", c->x86);
+		pr_cont("%d86", c->x86);
 
-	printk(KERN_CONT " (family: 0x%x, model: 0x%x", c->x86, c->x86_model);
+	pr_cont(" (family: 0x%x, model: 0x%x", c->x86, c->x86_model);
 
 	if (c->x86_mask || c->cpuid_level >= 0)
-		printk(KERN_CONT ", stepping: 0x%x)\n", c->x86_mask);
+		pr_cont(", stepping: 0x%x)\n", c->x86_mask);
 	else
-		printk(KERN_CONT ")\n");
+		pr_cont(")\n");
 
 	print_cpu_msr(c);
 }
@@ -1438,7 +1436,7 @@ void cpu_init(void)
 
 	show_ucode_info_early();
 
-	printk(KERN_INFO "Initializing CPU#%d\n", cpu);
+	pr_info("Initializing CPU#%d\n", cpu);
 
 	if (cpu_feature_enabled(X86_FEATURE_VME) ||
 	    cpu_has_tsc ||

arch/x86/kernel/cpu/cyrix.c

@@ -103,7 +103,7 @@ static void check_cx686_slop(struct cpuinfo_x86 *c)
 		local_irq_restore(flags);
 
 		if (ccr5 & 2) { /* possible wrong calibration done */
-			printk(KERN_INFO "Recalibrating delay loop with SLOP bit reset\n");
+			pr_info("Recalibrating delay loop with SLOP bit reset\n");
 			calibrate_delay();
 			c->loops_per_jiffy = loops_per_jiffy;
 		}
@@ -115,7 +115,7 @@ static void set_cx86_reorder(void)
 {
 	u8 ccr3;
 
-	printk(KERN_INFO "Enable Memory access reorder on Cyrix/NSC processor.\n");
+	pr_info("Enable Memory access reorder on Cyrix/NSC processor.\n");
 	ccr3 = getCx86(CX86_CCR3);
 	setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
 
@@ -128,7 +128,7 @@ static void set_cx86_reorder(void)
 
 static void set_cx86_memwb(void)
 {
-	printk(KERN_INFO "Enable Memory-Write-back mode on Cyrix/NSC processor.\n");
+	pr_info("Enable Memory-Write-back mode on Cyrix/NSC processor.\n");
 
 	/* CCR2 bit 2: unlock NW bit */
 	setCx86_old(CX86_CCR2, getCx86_old(CX86_CCR2) & ~0x04);
@@ -268,7 +268,7 @@ static void init_cyrix(struct cpuinfo_x86 *c)
 		 *  VSA1 we work around however.
 		 */
 
-		printk(KERN_INFO "Working around Cyrix MediaGX virtual DMA bugs.\n");
+		pr_info("Working around Cyrix MediaGX virtual DMA bugs.\n");
 		isa_dma_bridge_buggy = 2;
 
 		/* We do this before the PCI layer is running. However we
@@ -426,7 +426,7 @@ static void cyrix_identify(struct cpuinfo_x86 *c)
 		if (dir0 == 5 || dir0 == 3) {
 			unsigned char ccr3;
 			unsigned long flags;
-			printk(KERN_INFO "Enabling CPUID on Cyrix processor.\n");
+			pr_info("Enabling CPUID on Cyrix processor.\n");
 			local_irq_save(flags);
 			ccr3 = getCx86(CX86_CCR3);
 			/* enable MAPEN  */

arch/x86/kernel/cpu/hypervisor.c

@@ -56,7 +56,7 @@ detect_hypervisor_vendor(void)
 	}
 
 	if (max_pri)
-		printk(KERN_INFO "Hypervisor detected: %s\n", x86_hyper->name);
+		pr_info("Hypervisor detected: %s\n", x86_hyper->name);
 }
 
 void init_hypervisor(struct cpuinfo_x86 *c)

arch/x86/kernel/cpu/intel.c

@@ -61,7 +61,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
 	 */
 	if (c->x86 == 6 && c->x86_model == 0x1c && c->x86_mask <= 2 &&
 	    c->microcode < 0x20e) {
-		printk(KERN_WARNING "Atom PSE erratum detected, BIOS microcode update recommended\n");
+		pr_warn("Atom PSE erratum detected, BIOS microcode update recommended\n");
 		clear_cpu_cap(c, X86_FEATURE_PSE);
 	}
 
@@ -140,7 +140,7 @@ static void early_init_intel(struct cpuinfo_x86 *c)
 	if (c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xd)) {
 		rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
 		if (!(misc_enable & MSR_IA32_MISC_ENABLE_FAST_STRING)) {
-			printk(KERN_INFO "Disabled fast string operations\n");
+			pr_info("Disabled fast string operations\n");
 			setup_clear_cpu_cap(X86_FEATURE_REP_GOOD);
 			setup_clear_cpu_cap(X86_FEATURE_ERMS);
 		}
@@ -176,7 +176,7 @@ int ppro_with_ram_bug(void)
 	    boot_cpu_data.x86 == 6 &&
 	    boot_cpu_data.x86_model == 1 &&
 	    boot_cpu_data.x86_mask < 8) {
-		printk(KERN_INFO "Pentium Pro with Errata#50 detected. Taking evasive action.\n");
+		pr_info("Pentium Pro with Errata#50 detected. Taking evasive action.\n");
 		return 1;
 	}
 	return 0;
@@ -225,7 +225,7 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
 
 		set_cpu_bug(c, X86_BUG_F00F);
 		if (!f00f_workaround_enabled) {
-			printk(KERN_NOTICE "Intel Pentium with F0 0F bug - workaround enabled.\n");
+			pr_notice("Intel Pentium with F0 0F bug - workaround enabled.\n");
 			f00f_workaround_enabled = 1;
 		}
 	}
@@ -244,7 +244,7 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
 	 * Forcefully enable PAE if kernel parameter "forcepae" is present.
 	 */
 	if (forcepae) {
-		printk(KERN_WARNING "PAE forced!\n");
+		pr_warn("PAE forced!\n");
 		set_cpu_cap(c, X86_FEATURE_PAE);
 		add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_NOW_UNRELIABLE);
 	}

arch/x86/kernel/cpu/intel_cacheinfo.c

@@ -444,7 +444,7 @@ static ssize_t store_cache_disable(struct cacheinfo *this_leaf,
 	err = amd_set_l3_disable_slot(nb, cpu, slot, val);
 	if (err) {
 		if (err == -EEXIST)
-			pr_warning("L3 slot %d in use/index already disabled!\n",
+			pr_warn("L3 slot %d in use/index already disabled!\n",
 				   slot);
 		return err;
 	}