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-rw-r--r--arch/arm/mach-exynos4/init.c1
-rw-r--r--arch/arm/mach-ux500/board-mop500-pins.c16
-rw-r--r--arch/arm/mach-ux500/board-mop500.c54
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-serial.h2
-rw-r--r--arch/powerpc/boot/dts/p1022ds.dts9
-rw-r--r--arch/powerpc/configs/pseries_defconfig1
-rw-r--r--arch/powerpc/kernel/rtas-rtc.c29
-rw-r--r--arch/powerpc/kernel/signal_32.c57
-rw-r--r--arch/powerpc/kernel/signal_64.c17
-rw-r--r--arch/powerpc/kernel/traps.c24
-rw-r--r--arch/powerpc/mm/fault.c10
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c35
-rw-r--r--arch/powerpc/sysdev/mpic.c11
13 files changed, 171 insertions, 95 deletions
diff --git a/arch/arm/mach-exynos4/init.c b/arch/arm/mach-exynos4/init.c
index cf91f50e43ab..a8a83e3881a4 100644
--- a/arch/arm/mach-exynos4/init.c
+++ b/arch/arm/mach-exynos4/init.c
@@ -35,6 +35,7 @@ void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
35 tcfg->clocks = exynos4_serial_clocks; 35 tcfg->clocks = exynos4_serial_clocks;
36 tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks); 36 tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
37 } 37 }
38 tcfg->flags |= NO_NEED_CHECK_CLKSRC;
38 } 39 }
39 40
40 s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no); 41 s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index fd4cf1ca5efd..70cdbd60596a 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -110,10 +110,18 @@ static pin_cfg_t mop500_pins_common[] = {
110 GPIO168_KP_O0, 110 GPIO168_KP_O0,
111 111
112 /* UART */ 112 /* UART */
113 GPIO0_U0_CTSn | PIN_INPUT_PULLUP, 113 /* uart-0 pins gpio configuration should be
114 GPIO1_U0_RTSn | PIN_OUTPUT_HIGH, 114 * kept intact to prevent glitch in tx line
115 GPIO2_U0_RXD | PIN_INPUT_PULLUP, 115 * when tty dev is opened. Later these pins
116 GPIO3_U0_TXD | PIN_OUTPUT_HIGH, 116 * are configured to uart mop500_pins_uart0
117 *
118 * It will be replaced with uart configuration
119 * once the issue is solved.
120 */
121 GPIO0_GPIO | PIN_INPUT_PULLUP,
122 GPIO1_GPIO | PIN_OUTPUT_HIGH,
123 GPIO2_GPIO | PIN_INPUT_PULLUP,
124 GPIO3_GPIO | PIN_OUTPUT_HIGH,
117 125
118 GPIO29_U2_RXD | PIN_INPUT_PULLUP, 126 GPIO29_U2_RXD | PIN_INPUT_PULLUP,
119 GPIO30_U2_TXD | PIN_OUTPUT_HIGH, 127 GPIO30_U2_TXD | PIN_OUTPUT_HIGH,
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index bb26f40493e6..2a08c07dec6d 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -27,18 +27,21 @@
27#include <linux/leds-lp5521.h> 27#include <linux/leds-lp5521.h>
28#include <linux/input.h> 28#include <linux/input.h>
29#include <linux/gpio_keys.h> 29#include <linux/gpio_keys.h>
30#include <linux/delay.h>
30 31
31#include <asm/mach-types.h> 32#include <asm/mach-types.h>
32#include <asm/mach/arch.h> 33#include <asm/mach/arch.h>
33 34
34#include <plat/i2c.h> 35#include <plat/i2c.h>
35#include <plat/ste_dma40.h> 36#include <plat/ste_dma40.h>
37#include <plat/pincfg.h>
36 38
37#include <mach/hardware.h> 39#include <mach/hardware.h>
38#include <mach/setup.h> 40#include <mach/setup.h>
39#include <mach/devices.h> 41#include <mach/devices.h>
40#include <mach/irqs.h> 42#include <mach/irqs.h>
41 43
44#include "pins-db8500.h"
42#include "ste-dma40-db8500.h" 45#include "ste-dma40-db8500.h"
43#include "devices-db8500.h" 46#include "devices-db8500.h"
44#include "board-mop500.h" 47#include "board-mop500.h"
@@ -393,12 +396,63 @@ static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
393}; 396};
394#endif 397#endif
395 398
399
400static pin_cfg_t mop500_pins_uart0[] = {
401 GPIO0_U0_CTSn | PIN_INPUT_PULLUP,
402 GPIO1_U0_RTSn | PIN_OUTPUT_HIGH,
403 GPIO2_U0_RXD | PIN_INPUT_PULLUP,
404 GPIO3_U0_TXD | PIN_OUTPUT_HIGH,
405};
406
407#define PRCC_K_SOFTRST_SET 0x18
408#define PRCC_K_SOFTRST_CLEAR 0x1C
409static void ux500_uart0_reset(void)
410{
411 void __iomem *prcc_rst_set, *prcc_rst_clr;
412
413 prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
414 PRCC_K_SOFTRST_SET);
415 prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
416 PRCC_K_SOFTRST_CLEAR);
417
418 /* Activate soft reset PRCC_K_SOFTRST_CLEAR */
419 writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr);
420 udelay(1);
421
422 /* Release soft reset PRCC_K_SOFTRST_SET */
423 writel((readl(prcc_rst_set) | 0x1), prcc_rst_set);
424 udelay(1);
425}
426
427static void ux500_uart0_init(void)
428{
429 int ret;
430
431 ret = nmk_config_pins(mop500_pins_uart0,
432 ARRAY_SIZE(mop500_pins_uart0));
433 if (ret < 0)
434 pr_err("pl011: uart pins_enable failed\n");
435}
436
437static void ux500_uart0_exit(void)
438{
439 int ret;
440
441 ret = nmk_config_pins_sleep(mop500_pins_uart0,
442 ARRAY_SIZE(mop500_pins_uart0));
443 if (ret < 0)
444 pr_err("pl011: uart pins_disable failed\n");
445}
446
396static struct amba_pl011_data uart0_plat = { 447static struct amba_pl011_data uart0_plat = {
397#ifdef CONFIG_STE_DMA40 448#ifdef CONFIG_STE_DMA40
398 .dma_filter = stedma40_filter, 449 .dma_filter = stedma40_filter,
399 .dma_rx_param = &uart0_dma_cfg_rx, 450 .dma_rx_param = &uart0_dma_cfg_rx,
400 .dma_tx_param = &uart0_dma_cfg_tx, 451 .dma_tx_param = &uart0_dma_cfg_tx,
401#endif 452#endif
453 .init = ux500_uart0_init,
454 .exit = ux500_uart0_exit,
455 .reset = ux500_uart0_reset,
402}; 456};
403 457
404static struct amba_pl011_data uart1_plat = { 458static struct amba_pl011_data uart1_plat = {
diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index c151c5f94a87..116edfe120b9 100644
--- a/arch/arm/plat-samsung/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -224,6 +224,8 @@
224#define S5PV210_UFSTAT_RXMASK (255<<0) 224#define S5PV210_UFSTAT_RXMASK (255<<0)
225#define S5PV210_UFSTAT_RXSHIFT (0) 225#define S5PV210_UFSTAT_RXSHIFT (0)
226 226
227#define NO_NEED_CHECK_CLKSRC 1
228
227#ifndef __ASSEMBLY__ 229#ifndef __ASSEMBLY__
228 230
229/* struct s3c24xx_uart_clksrc 231/* struct s3c24xx_uart_clksrc
diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts
index 4f685a779f4c..98d9426d4b85 100644
--- a/arch/powerpc/boot/dts/p1022ds.dts
+++ b/arch/powerpc/boot/dts/p1022ds.dts
@@ -209,8 +209,10 @@
209 wm8776:codec@1a { 209 wm8776:codec@1a {
210 compatible = "wlf,wm8776"; 210 compatible = "wlf,wm8776";
211 reg = <0x1a>; 211 reg = <0x1a>;
212 /* MCLK source is a stand-alone oscillator */ 212 /*
213 clock-frequency = <12288000>; 213 * clock-frequency will be set by U-Boot if
214 * the clock is enabled.
215 */
214 }; 216 };
215 }; 217 };
216 218
@@ -280,7 +282,8 @@
280 codec-handle = <&wm8776>; 282 codec-handle = <&wm8776>;
281 fsl,playback-dma = <&dma00>; 283 fsl,playback-dma = <&dma00>;
282 fsl,capture-dma = <&dma01>; 284 fsl,capture-dma = <&dma01>;
283 fsl,fifo-depth = <16>; 285 fsl,fifo-depth = <15>;
286 fsl,ssi-asynchronous;
284 }; 287 };
285 288
286 dma@c300 { 289 dma@c300 {
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index c9f212b5f3de..80bc5de7ee1d 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -148,7 +148,6 @@ CONFIG_SCSI_SAS_ATTRS=m
148CONFIG_SCSI_CXGB3_ISCSI=m 148CONFIG_SCSI_CXGB3_ISCSI=m
149CONFIG_SCSI_CXGB4_ISCSI=m 149CONFIG_SCSI_CXGB4_ISCSI=m
150CONFIG_SCSI_BNX2_ISCSI=m 150CONFIG_SCSI_BNX2_ISCSI=m
151CONFIG_SCSI_BNX2_ISCSI=m
152CONFIG_BE2ISCSI=m 151CONFIG_BE2ISCSI=m
153CONFIG_SCSI_IBMVSCSI=y 152CONFIG_SCSI_IBMVSCSI=y
154CONFIG_SCSI_IBMVFC=m 153CONFIG_SCSI_IBMVFC=m
diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c
index 77578c093dda..c57c19358a26 100644
--- a/arch/powerpc/kernel/rtas-rtc.c
+++ b/arch/powerpc/kernel/rtas-rtc.c
@@ -4,6 +4,7 @@
4#include <linux/init.h> 4#include <linux/init.h>
5#include <linux/rtc.h> 5#include <linux/rtc.h>
6#include <linux/delay.h> 6#include <linux/delay.h>
7#include <linux/ratelimit.h>
7#include <asm/prom.h> 8#include <asm/prom.h>
8#include <asm/rtas.h> 9#include <asm/rtas.h>
9#include <asm/time.h> 10#include <asm/time.h>
@@ -29,9 +30,10 @@ unsigned long __init rtas_get_boot_time(void)
29 } 30 }
30 } while (wait_time && (get_tb() < max_wait_tb)); 31 } while (wait_time && (get_tb() < max_wait_tb));
31 32
32 if (error != 0 && printk_ratelimit()) { 33 if (error != 0) {
33 printk(KERN_WARNING "error: reading the clock failed (%d)\n", 34 printk_ratelimited(KERN_WARNING
34 error); 35 "error: reading the clock failed (%d)\n",
36 error);
35 return 0; 37 return 0;
36 } 38 }
37 39
@@ -55,19 +57,21 @@ void rtas_get_rtc_time(struct rtc_time *rtc_tm)
55 57
56 wait_time = rtas_busy_delay_time(error); 58 wait_time = rtas_busy_delay_time(error);
57 if (wait_time) { 59 if (wait_time) {
58 if (in_interrupt() && printk_ratelimit()) { 60 if (in_interrupt()) {
59 memset(rtc_tm, 0, sizeof(struct rtc_time)); 61 memset(rtc_tm, 0, sizeof(struct rtc_time));
60 printk(KERN_WARNING "error: reading clock" 62 printk_ratelimited(KERN_WARNING
61 " would delay interrupt\n"); 63 "error: reading clock "
64 "would delay interrupt\n");
62 return; /* delay not allowed */ 65 return; /* delay not allowed */
63 } 66 }
64 msleep(wait_time); 67 msleep(wait_time);
65 } 68 }
66 } while (wait_time && (get_tb() < max_wait_tb)); 69 } while (wait_time && (get_tb() < max_wait_tb));
67 70
68 if (error != 0 && printk_ratelimit()) { 71 if (error != 0) {
69 printk(KERN_WARNING "error: reading the clock failed (%d)\n", 72 printk_ratelimited(KERN_WARNING
70 error); 73 "error: reading the clock failed (%d)\n",
74 error);
71 return; 75 return;
72 } 76 }
73 77
@@ -99,9 +103,10 @@ int rtas_set_rtc_time(struct rtc_time *tm)
99 } 103 }
100 } while (wait_time && (get_tb() < max_wait_tb)); 104 } while (wait_time && (get_tb() < max_wait_tb));
101 105
102 if (error != 0 && printk_ratelimit()) 106 if (error != 0)
103 printk(KERN_WARNING "error: setting the clock failed (%d)\n", 107 printk_ratelimited(KERN_WARNING
104 error); 108 "error: setting the clock failed (%d)\n",
109 error);
105 110
106 return 0; 111 return 0;
107} 112}
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index b96a3a010c26..78b76dc54dfb 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -25,6 +25,7 @@
25#include <linux/errno.h> 25#include <linux/errno.h>
26#include <linux/elf.h> 26#include <linux/elf.h>
27#include <linux/ptrace.h> 27#include <linux/ptrace.h>
28#include <linux/ratelimit.h>
28#ifdef CONFIG_PPC64 29#ifdef CONFIG_PPC64
29#include <linux/syscalls.h> 30#include <linux/syscalls.h>
30#include <linux/compat.h> 31#include <linux/compat.h>
@@ -892,11 +893,12 @@ badframe:
892 printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n", 893 printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n",
893 regs, frame, newsp); 894 regs, frame, newsp);
894#endif 895#endif
895 if (show_unhandled_signals && printk_ratelimit()) 896 if (show_unhandled_signals)
896 printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: " 897 printk_ratelimited(KERN_INFO
897 "%p nip %08lx lr %08lx\n", 898 "%s[%d]: bad frame in handle_rt_signal32: "
898 current->comm, current->pid, 899 "%p nip %08lx lr %08lx\n",
899 addr, regs->nip, regs->link); 900 current->comm, current->pid,
901 addr, regs->nip, regs->link);
900 902
901 force_sigsegv(sig, current); 903 force_sigsegv(sig, current);
902 return 0; 904 return 0;
@@ -1058,11 +1060,12 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
1058 return 0; 1060 return 0;
1059 1061
1060 bad: 1062 bad:
1061 if (show_unhandled_signals && printk_ratelimit()) 1063 if (show_unhandled_signals)
1062 printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: " 1064 printk_ratelimited(KERN_INFO
1063 "%p nip %08lx lr %08lx\n", 1065 "%s[%d]: bad frame in sys_rt_sigreturn: "
1064 current->comm, current->pid, 1066 "%p nip %08lx lr %08lx\n",
1065 rt_sf, regs->nip, regs->link); 1067 current->comm, current->pid,
1068 rt_sf, regs->nip, regs->link);
1066 1069
1067 force_sig(SIGSEGV, current); 1070 force_sig(SIGSEGV, current);
1068 return 0; 1071 return 0;
@@ -1149,12 +1152,12 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
1149 * We kill the task with a SIGSEGV in this situation. 1152 * We kill the task with a SIGSEGV in this situation.
1150 */ 1153 */
1151 if (do_setcontext(ctx, regs, 1)) { 1154 if (do_setcontext(ctx, regs, 1)) {
1152 if (show_unhandled_signals && printk_ratelimit()) 1155 if (show_unhandled_signals)
1153 printk(KERN_INFO "%s[%d]: bad frame in " 1156 printk_ratelimited(KERN_INFO "%s[%d]: bad frame in "
1154 "sys_debug_setcontext: %p nip %08lx " 1157 "sys_debug_setcontext: %p nip %08lx "
1155 "lr %08lx\n", 1158 "lr %08lx\n",
1156 current->comm, current->pid, 1159 current->comm, current->pid,
1157 ctx, regs->nip, regs->link); 1160 ctx, regs->nip, regs->link);
1158 1161
1159 force_sig(SIGSEGV, current); 1162 force_sig(SIGSEGV, current);
1160 goto out; 1163 goto out;
@@ -1236,11 +1239,12 @@ badframe:
1236 printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n", 1239 printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n",
1237 regs, frame, newsp); 1240 regs, frame, newsp);
1238#endif 1241#endif
1239 if (show_unhandled_signals && printk_ratelimit()) 1242 if (show_unhandled_signals)
1240 printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: " 1243 printk_ratelimited(KERN_INFO
1241 "%p nip %08lx lr %08lx\n", 1244 "%s[%d]: bad frame in handle_signal32: "
1242 current->comm, current->pid, 1245 "%p nip %08lx lr %08lx\n",
1243 frame, regs->nip, regs->link); 1246 current->comm, current->pid,
1247 frame, regs->nip, regs->link);
1244 1248
1245 force_sigsegv(sig, current); 1249 force_sigsegv(sig, current);
1246 return 0; 1250 return 0;
@@ -1288,11 +1292,12 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
1288 return 0; 1292 return 0;
1289 1293
1290badframe: 1294badframe:
1291 if (show_unhandled_signals && printk_ratelimit()) 1295 if (show_unhandled_signals)
1292 printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: " 1296 printk_ratelimited(KERN_INFO
1293 "%p nip %08lx lr %08lx\n", 1297 "%s[%d]: bad frame in sys_sigreturn: "
1294 current->comm, current->pid, 1298 "%p nip %08lx lr %08lx\n",
1295 addr, regs->nip, regs->link); 1299 current->comm, current->pid,
1300 addr, regs->nip, regs->link);
1296 1301
1297 force_sig(SIGSEGV, current); 1302 force_sig(SIGSEGV, current);
1298 return 0; 1303 return 0;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index da989fff19cc..e91c736cc842 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -24,6 +24,7 @@
24#include <linux/elf.h> 24#include <linux/elf.h>
25#include <linux/ptrace.h> 25#include <linux/ptrace.h>
26#include <linux/module.h> 26#include <linux/module.h>
27#include <linux/ratelimit.h>
27 28
28#include <asm/sigcontext.h> 29#include <asm/sigcontext.h>
29#include <asm/ucontext.h> 30#include <asm/ucontext.h>
@@ -380,10 +381,10 @@ badframe:
380 printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n", 381 printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n",
381 regs, uc, &uc->uc_mcontext); 382 regs, uc, &uc->uc_mcontext);
382#endif 383#endif
383 if (show_unhandled_signals && printk_ratelimit()) 384 if (show_unhandled_signals)
384 printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, 385 printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
385 current->comm, current->pid, "rt_sigreturn", 386 current->comm, current->pid, "rt_sigreturn",
386 (long)uc, regs->nip, regs->link); 387 (long)uc, regs->nip, regs->link);
387 388
388 force_sig(SIGSEGV, current); 389 force_sig(SIGSEGV, current);
389 return 0; 390 return 0;
@@ -468,10 +469,10 @@ badframe:
468 printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n", 469 printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n",
469 regs, frame, newsp); 470 regs, frame, newsp);
470#endif 471#endif
471 if (show_unhandled_signals && printk_ratelimit()) 472 if (show_unhandled_signals)
472 printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, 473 printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
473 current->comm, current->pid, "setup_rt_frame", 474 current->comm, current->pid, "setup_rt_frame",
474 (long)frame, regs->nip, regs->link); 475 (long)frame, regs->nip, regs->link);
475 476
476 force_sigsegv(signr, current); 477 force_sigsegv(signr, current);
477 return 0; 478 return 0;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 0ff4ab98d50c..1a0141426cda 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -34,6 +34,7 @@
34#include <linux/bug.h> 34#include <linux/bug.h>
35#include <linux/kdebug.h> 35#include <linux/kdebug.h>
36#include <linux/debugfs.h> 36#include <linux/debugfs.h>
37#include <linux/ratelimit.h>
37 38
38#include <asm/emulated_ops.h> 39#include <asm/emulated_ops.h>
39#include <asm/pgtable.h> 40#include <asm/pgtable.h>
@@ -197,12 +198,11 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
197 if (die("Exception in kernel mode", regs, signr)) 198 if (die("Exception in kernel mode", regs, signr))
198 return; 199 return;
199 } else if (show_unhandled_signals && 200 } else if (show_unhandled_signals &&
200 unhandled_signal(current, signr) && 201 unhandled_signal(current, signr)) {
201 printk_ratelimit()) { 202 printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32,
202 printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, 203 current->comm, current->pid, signr,
203 current->comm, current->pid, signr, 204 addr, regs->nip, regs->link, code);
204 addr, regs->nip, regs->link, code); 205 }
205 }
206 206
207 memset(&info, 0, sizeof(info)); 207 memset(&info, 0, sizeof(info));
208 info.si_signo = signr; 208 info.si_signo = signr;
@@ -425,7 +425,7 @@ int machine_check_e500mc(struct pt_regs *regs)
425 unsigned long reason = mcsr; 425 unsigned long reason = mcsr;
426 int recoverable = 1; 426 int recoverable = 1;
427 427
428 if (reason & MCSR_BUS_RBERR) { 428 if (reason & MCSR_LD) {
429 recoverable = fsl_rio_mcheck_exception(regs); 429 recoverable = fsl_rio_mcheck_exception(regs);
430 if (recoverable == 1) 430 if (recoverable == 1)
431 goto silent_out; 431 goto silent_out;
@@ -1342,9 +1342,8 @@ void altivec_assist_exception(struct pt_regs *regs)
1342 } else { 1342 } else {
1343 /* didn't recognize the instruction */ 1343 /* didn't recognize the instruction */
1344 /* XXX quick hack for now: set the non-Java bit in the VSCR */ 1344 /* XXX quick hack for now: set the non-Java bit in the VSCR */
1345 if (printk_ratelimit()) 1345 printk_ratelimited(KERN_ERR "Unrecognized altivec instruction "
1346 printk(KERN_ERR "Unrecognized altivec instruction " 1346 "in %s at %lx\n", current->comm, regs->nip);
1347 "in %s at %lx\n", current->comm, regs->nip);
1348 current->thread.vscr.u[3] |= 0x10000; 1347 current->thread.vscr.u[3] |= 0x10000;
1349 } 1348 }
1350} 1349}
@@ -1548,9 +1547,8 @@ u32 ppc_warn_emulated;
1548 1547
1549void ppc_warn_emulated_print(const char *type) 1548void ppc_warn_emulated_print(const char *type)
1550{ 1549{
1551 if (printk_ratelimit()) 1550 pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm,
1552 pr_warning("%s used emulated %s instruction\n", current->comm, 1551 type);
1553 type);
1554} 1552}
1555 1553
1556static int __init ppc_warn_emulated_init(void) 1554static int __init ppc_warn_emulated_init(void)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 54f4fb994e99..ad35f66c69e8 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -31,6 +31,7 @@
31#include <linux/kdebug.h> 31#include <linux/kdebug.h>
32#include <linux/perf_event.h> 32#include <linux/perf_event.h>
33#include <linux/magic.h> 33#include <linux/magic.h>
34#include <linux/ratelimit.h>
34 35
35#include <asm/firmware.h> 36#include <asm/firmware.h>
36#include <asm/page.h> 37#include <asm/page.h>
@@ -346,11 +347,10 @@ bad_area_nosemaphore:
346 return 0; 347 return 0;
347 } 348 }
348 349
349 if (is_exec && (error_code & DSISR_PROTFAULT) 350 if (is_exec && (error_code & DSISR_PROTFAULT))
350 && printk_ratelimit()) 351 printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected"
351 printk(KERN_CRIT "kernel tried to execute NX-protected" 352 " page (%lx) - exploit attempt? (uid: %d)\n",
352 " page (%lx) - exploit attempt? (uid: %d)\n", 353 address, current_uid());
353 address, current_uid());
354 354
355 return SIGSEGV; 355 return SIGSEGV;
356 356
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 5b206a2fe17c..b3fd081d56f5 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -283,23 +283,24 @@ static void __iomem *rio_regs_win;
283#ifdef CONFIG_E500 283#ifdef CONFIG_E500
284int fsl_rio_mcheck_exception(struct pt_regs *regs) 284int fsl_rio_mcheck_exception(struct pt_regs *regs)
285{ 285{
286 const struct exception_table_entry *entry = NULL; 286 const struct exception_table_entry *entry;
287 unsigned long reason = mfspr(SPRN_MCSR); 287 unsigned long reason;
288 288
289 if (reason & MCSR_BUS_RBERR) { 289 if (!rio_regs_win)
290 reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR)); 290 return 0;
291 if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) { 291
292 /* Check if we are prepared to handle this fault */ 292 reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR));
293 entry = search_exception_tables(regs->nip); 293 if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) {
294 if (entry) { 294 /* Check if we are prepared to handle this fault */
295 pr_debug("RIO: %s - MC Exception handled\n", 295 entry = search_exception_tables(regs->nip);
296 __func__); 296 if (entry) {
297 out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR), 297 pr_debug("RIO: %s - MC Exception handled\n",
298 0); 298 __func__);
299 regs->msr |= MSR_RI; 299 out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR),
300 regs->nip = entry->fixup; 300 0);
301 return 1; 301 regs->msr |= MSR_RI;
302 } 302 regs->nip = entry->fixup;
303 return 1;
303 } 304 }
304 } 305 }
305 306
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3a8de5bb628a..58d7a534f877 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -29,6 +29,7 @@
29#include <linux/pci.h> 29#include <linux/pci.h>
30#include <linux/slab.h> 30#include <linux/slab.h>
31#include <linux/syscore_ops.h> 31#include <linux/syscore_ops.h>
32#include <linux/ratelimit.h>
32 33
33#include <asm/ptrace.h> 34#include <asm/ptrace.h>
34#include <asm/signal.h> 35#include <asm/signal.h>
@@ -1648,9 +1649,8 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg)
1648 return NO_IRQ; 1649 return NO_IRQ;
1649 } 1650 }
1650 if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { 1651 if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
1651 if (printk_ratelimit()) 1652 printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
1652 printk(KERN_WARNING "%s: Got protected source %d !\n", 1653 mpic->name, (int)src);
1653 mpic->name, (int)src);
1654 mpic_eoi(mpic); 1654 mpic_eoi(mpic);
1655 return NO_IRQ; 1655 return NO_IRQ;
1656 } 1656 }
@@ -1688,9 +1688,8 @@ unsigned int mpic_get_coreint_irq(void)
1688 return NO_IRQ; 1688 return NO_IRQ;
1689 } 1689 }
1690 if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { 1690 if (unlikely(mpic->protected && test_bit(src, mpic->protected))) {
1691 if (printk_ratelimit()) 1691 printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n",
1692 printk(KERN_WARNING "%s: Got protected source %d !\n", 1692 mpic->name, (int)src);
1693 mpic->name, (int)src);
1694 return NO_IRQ; 1693 return NO_IRQ;
1695 } 1694 }
1696 1695
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-02 17:04:27 -0500