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-rw-r--r--arch/arm/mach-clps711x/include/mach/debug-macro.S1
-rw-r--r--arch/arm/mach-footbridge/common.c2
-rw-r--r--arch/arm/mach-h720x/include/mach/debug-macro.S6
-rw-r--r--arch/arm/mach-kirkwood/tsx1x-common.c2
-rw-r--r--arch/arm/mach-kirkwood/tsx1x-common.h2
-rw-r--r--arch/arm/mach-ns9xxx/include/mach/debug-macro.S1
-rw-r--r--arch/arm/mach-ns9xxx/include/mach/uncompress.h30
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c17
-rw-r--r--arch/arm/mach-pxa/colibri-pxa300.c3
-rw-r--r--arch/arm/mach-pxa/corgi.c2
-rw-r--r--arch/arm/mach-pxa/cpufreq-pxa2xx.c8
-rw-r--r--arch/arm/mach-pxa/pxa27x.c6
-rw-r--r--arch/arm/mach-shark/include/mach/debug-macro.S3
-rw-r--r--arch/arm/mach-w90x900/cpu.c2
-rw-r--r--arch/arm/plat-spear/include/plat/debug-macro.S4
-rw-r--r--arch/avr32/include/asm/ioctls.h3
-rw-r--r--arch/avr32/mach-at32ap/include/mach/board.h2
-rw-r--r--arch/mips/alchemy/common/platform.c9
-rw-r--r--arch/mips/alchemy/mtx-1/board_setup.c8
-rw-r--r--arch/mips/bcm63xx/dev-enet.c3
-rw-r--r--arch/mips/include/asm/atomic.h24
-rw-r--r--arch/mips/include/asm/unistd.h5
-rw-r--r--arch/mips/kernel/scall64-n32.S1
-rw-r--r--arch/mips/kernel/vdso.c4
-rw-r--r--arch/mips/mti-malta/malta-pci.c2
-rw-r--r--arch/mips/nxp/pnx8550/common/pci.c1
-rw-r--r--arch/mips/nxp/pnx8550/common/setup.c2
-rw-r--r--arch/mips/pci/ops-pmcmsp.c1
-rw-r--r--arch/mips/pci/pci-yosemite.c1
-rw-r--r--arch/mips/powertv/asic/asic_devices.c5
-rw-r--r--arch/powerpc/include/asm/kexec.h6
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h4
-rw-r--r--arch/powerpc/kernel/perf_event_fsl_emb.c6
-rw-r--r--arch/powerpc/kernel/prom.c2
-rw-r--r--arch/powerpc/mm/hash_low_64.S9
-rw-r--r--arch/powerpc/mm/hash_utils_64.c53
-rw-r--r--arch/powerpc/mm/hugetlbpage-hash64.c40
-rw-r--r--arch/powerpc/mm/numa.c24
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-memory.c22
-rw-r--r--arch/x86/include/asm/cmpxchg_32.h68
-rw-r--r--arch/x86/include/asm/cmpxchg_64.h40
-rw-r--r--arch/x86/kernel/acpi/cstate.c9
-rw-r--r--arch/x86/kernel/acpi/sleep.c9
-rw-r--r--arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c41
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c11
-rw-r--r--arch/x86/kernel/entry_64.S4
-rw-r--r--arch/x86/kernel/hpet.c2
-rw-r--r--arch/x86/kernel/i8259.c25
-rw-r--r--arch/x86/kvm/paging_tmpl.h1
-rw-r--r--arch/x86/kvm/x86.c4
50 files changed, 305 insertions, 235 deletions
diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S
index fedd8076a689..072cc6b61ba3 100644
--- a/arch/arm/mach-clps711x/include/mach/debug-macro.S
+++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S
@@ -11,6 +11,7 @@
11 * 11 *
12*/ 12*/
13 13
14#include <mach/hardware.h>
14#include <asm/hardware/clps7111.h> 15#include <asm/hardware/clps7111.h>
15 16
16 .macro addruart, rx, tmp 17 .macro addruart, rx, tmp
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c
index e3bc3f6f6b10..88b3dd89be89 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -232,7 +232,7 @@ EXPORT_SYMBOL(__bus_to_virt);
232 232
233unsigned long __pfn_to_bus(unsigned long pfn) 233unsigned long __pfn_to_bus(unsigned long pfn)
234{ 234{
235 return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET)); 235 return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET);
236} 236}
237EXPORT_SYMBOL(__pfn_to_bus); 237EXPORT_SYMBOL(__pfn_to_bus);
238 238
diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S
index a9ee8f0d48b7..27cafd12f033 100644
--- a/arch/arm/mach-h720x/include/mach/debug-macro.S
+++ b/arch/arm/mach-h720x/include/mach/debug-macro.S
@@ -11,8 +11,10 @@
11 * 11 *
12*/ 12*/
13 13
14 .equ io_virt, IO_BASE 14#include <mach/hardware.h>
15 .equ io_phys, IO_START 15
16 .equ io_virt, IO_VIRT
17 .equ io_phys, IO_PHYS
16 18
17 .macro addruart, rx, tmp 19 .macro addruart, rx, tmp
18 mrc p15, 0, \rx, c1, c0 20 mrc p15, 0, \rx, c1, c0
diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c
index 7221c20b2afa..f781164e623f 100644
--- a/arch/arm/mach-kirkwood/tsx1x-common.c
+++ b/arch/arm/mach-kirkwood/tsx1x-common.c
@@ -77,7 +77,7 @@ struct spi_board_info __initdata qnap_tsx1x_spi_slave_info[] = {
77 }, 77 },
78}; 78};
79 79
80void qnap_tsx1x_register_flash(void) 80void __init qnap_tsx1x_register_flash(void)
81{ 81{
82 spi_register_board_info(qnap_tsx1x_spi_slave_info, 82 spi_register_board_info(qnap_tsx1x_spi_slave_info,
83 ARRAY_SIZE(qnap_tsx1x_spi_slave_info)); 83 ARRAY_SIZE(qnap_tsx1x_spi_slave_info));
diff --git a/arch/arm/mach-kirkwood/tsx1x-common.h b/arch/arm/mach-kirkwood/tsx1x-common.h
index 9a592962a6ea..7fa037361b55 100644
--- a/arch/arm/mach-kirkwood/tsx1x-common.h
+++ b/arch/arm/mach-kirkwood/tsx1x-common.h
@@ -1,7 +1,7 @@
1#ifndef __ARCH_KIRKWOOD_TSX1X_COMMON_H 1#ifndef __ARCH_KIRKWOOD_TSX1X_COMMON_H
2#define __ARCH_KIRKWOOD_TSX1X_COMMON_H 2#define __ARCH_KIRKWOOD_TSX1X_COMMON_H
3 3
4extern void qnap_tsx1x_register_flash(void); 4extern void __init qnap_tsx1x_register_flash(void);
5extern void qnap_tsx1x_power_off(void); 5extern void qnap_tsx1x_power_off(void);
6 6
7#endif 7#endif
diff --git a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S
index 0859336a8e6d..5c934bdb7158 100644
--- a/arch/arm/mach-ns9xxx/include/mach/debug-macro.S
+++ b/arch/arm/mach-ns9xxx/include/mach/debug-macro.S
@@ -8,6 +8,7 @@
8 * the Free Software Foundation. 8 * the Free Software Foundation.
9 */ 9 */
10#include <mach/hardware.h> 10#include <mach/hardware.h>
11#include <asm/memory.h>
11 12
12#include <mach/regs-board-a9m9750dev.h> 13#include <mach/regs-board-a9m9750dev.h>
13 14
diff --git a/arch/arm/mach-ns9xxx/include/mach/uncompress.h b/arch/arm/mach-ns9xxx/include/mach/uncompress.h
index 1b12d324b087..770a68c46e81 100644
--- a/arch/arm/mach-ns9xxx/include/mach/uncompress.h
+++ b/arch/arm/mach-ns9xxx/include/mach/uncompress.h
@@ -20,50 +20,49 @@ static void putc_dummy(char c, void __iomem *base)
20 /* nothing */ 20 /* nothing */
21} 21}
22 22
23static int timeout;
24
23static void putc_ns9360(char c, void __iomem *base) 25static void putc_ns9360(char c, void __iomem *base)
24{ 26{
25 static int t = 0x10000;
26 do { 27 do {
27 if (t) 28 if (timeout)
28 --t; 29 --timeout;
29 30
30 if (__raw_readl(base + 8) & (1 << 3)) { 31 if (__raw_readl(base + 8) & (1 << 3)) {
31 __raw_writeb(c, base + 16); 32 __raw_writeb(c, base + 16);
32 t = 0x10000; 33 timeout = 0x10000;
33 break; 34 break;
34 } 35 }
35 } while (t); 36 } while (timeout);
36} 37}
37 38
38static void putc_a9m9750dev(char c, void __iomem *base) 39static void putc_a9m9750dev(char c, void __iomem *base)
39{ 40{
40 static int t = 0x10000;
41 do { 41 do {
42 if (t) 42 if (timeout)
43 --t; 43 --timeout;
44 44
45 if (__raw_readb(base + 5) & (1 << 5)) { 45 if (__raw_readb(base + 5) & (1 << 5)) {
46 __raw_writeb(c, base); 46 __raw_writeb(c, base);
47 t = 0x10000; 47 timeout = 0x10000;
48 break; 48 break;
49 } 49 }
50 } while (t); 50 } while (timeout);
51 51
52} 52}
53 53
54static void putc_ns921x(char c, void __iomem *base) 54static void putc_ns921x(char c, void __iomem *base)
55{ 55{
56 static int t = 0x10000;
57 do { 56 do {
58 if (t) 57 if (timeout)
59 --t; 58 --timeout;
60 59
61 if (!(__raw_readl(base) & (1 << 11))) { 60 if (!(__raw_readl(base) & (1 << 11))) {
62 __raw_writeb(c, base + 0x0028); 61 __raw_writeb(c, base + 0x0028);
63 t = 0x10000; 62 timeout = 0x10000;
64 break; 63 break;
65 } 64 }
66 } while (t); 65 } while (timeout);
67} 66}
68 67
69#define MSCS __REG(0xA0900184) 68#define MSCS __REG(0xA0900184)
@@ -89,6 +88,7 @@ static void putc_ns921x(char c, void __iomem *base)
89 88
90static void autodetect(void (**putc)(char, void __iomem *), void __iomem **base) 89static void autodetect(void (**putc)(char, void __iomem *), void __iomem **base)
91{ 90{
91 timeout = 0x10000;
92 if (((__raw_readl(MSCS) >> 16) & 0xfe) == 0x00) { 92 if (((__raw_readl(MSCS) >> 16) & 0xfe) == 0x00) {
93 /* ns9360 or ns9750 */ 93 /* ns9360 or ns9750 */
94 if (NS9360_UART_ENABLED(NS9360_UARTA)) { 94 if (NS9360_UART_ENABLED(NS9360_UARTA)) {
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index abdf321c2d41..03483920ed6e 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -175,6 +175,10 @@ static void __init rx51_add_gpio_keys(void)
175#endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */ 175#endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */
176 176
177static int board_keymap[] = { 177static int board_keymap[] = {
178 /*
179 * Note that KEY(x, 8, KEY_XXX) entries represent "entrire row
180 * connected to the ground" matrix state.
181 */
178 KEY(0, 0, KEY_Q), 182 KEY(0, 0, KEY_Q),
179 KEY(0, 1, KEY_O), 183 KEY(0, 1, KEY_O),
180 KEY(0, 2, KEY_P), 184 KEY(0, 2, KEY_P),
@@ -182,6 +186,7 @@ static int board_keymap[] = {
182 KEY(0, 4, KEY_BACKSPACE), 186 KEY(0, 4, KEY_BACKSPACE),
183 KEY(0, 6, KEY_A), 187 KEY(0, 6, KEY_A),
184 KEY(0, 7, KEY_S), 188 KEY(0, 7, KEY_S),
189
185 KEY(1, 0, KEY_W), 190 KEY(1, 0, KEY_W),
186 KEY(1, 1, KEY_D), 191 KEY(1, 1, KEY_D),
187 KEY(1, 2, KEY_F), 192 KEY(1, 2, KEY_F),
@@ -190,6 +195,7 @@ static int board_keymap[] = {
190 KEY(1, 5, KEY_J), 195 KEY(1, 5, KEY_J),
191 KEY(1, 6, KEY_K), 196 KEY(1, 6, KEY_K),
192 KEY(1, 7, KEY_L), 197 KEY(1, 7, KEY_L),
198
193 KEY(2, 0, KEY_E), 199 KEY(2, 0, KEY_E),
194 KEY(2, 1, KEY_DOT), 200 KEY(2, 1, KEY_DOT),
195 KEY(2, 2, KEY_UP), 201 KEY(2, 2, KEY_UP),
@@ -197,6 +203,8 @@ static int board_keymap[] = {
197 KEY(2, 5, KEY_Z), 203 KEY(2, 5, KEY_Z),
198 KEY(2, 6, KEY_X), 204 KEY(2, 6, KEY_X),
199 KEY(2, 7, KEY_C), 205 KEY(2, 7, KEY_C),
206 KEY(2, 8, KEY_F9),
207
200 KEY(3, 0, KEY_R), 208 KEY(3, 0, KEY_R),
201 KEY(3, 1, KEY_V), 209 KEY(3, 1, KEY_V),
202 KEY(3, 2, KEY_B), 210 KEY(3, 2, KEY_B),
@@ -205,20 +213,23 @@ static int board_keymap[] = {
205 KEY(3, 5, KEY_SPACE), 213 KEY(3, 5, KEY_SPACE),
206 KEY(3, 6, KEY_SPACE), 214 KEY(3, 6, KEY_SPACE),
207 KEY(3, 7, KEY_LEFT), 215 KEY(3, 7, KEY_LEFT),
216
208 KEY(4, 0, KEY_T), 217 KEY(4, 0, KEY_T),
209 KEY(4, 1, KEY_DOWN), 218 KEY(4, 1, KEY_DOWN),
210 KEY(4, 2, KEY_RIGHT), 219 KEY(4, 2, KEY_RIGHT),
211 KEY(4, 4, KEY_LEFTCTRL), 220 KEY(4, 4, KEY_LEFTCTRL),
212 KEY(4, 5, KEY_RIGHTALT), 221 KEY(4, 5, KEY_RIGHTALT),
213 KEY(4, 6, KEY_LEFTSHIFT), 222 KEY(4, 6, KEY_LEFTSHIFT),
223 KEY(4, 8, KEY_F10),
224
214 KEY(5, 0, KEY_Y), 225 KEY(5, 0, KEY_Y),
226 KEY(5, 8, KEY_F11),
227
215 KEY(6, 0, KEY_U), 228 KEY(6, 0, KEY_U),
229
216 KEY(7, 0, KEY_I), 230 KEY(7, 0, KEY_I),
217 KEY(7, 1, KEY_F7), 231 KEY(7, 1, KEY_F7),
218 KEY(7, 2, KEY_F8), 232 KEY(7, 2, KEY_F8),
219 KEY(0xff, 2, KEY_F9),
220 KEY(0xff, 4, KEY_F10),
221 KEY(0xff, 5, KEY_F11),
222}; 233};
223 234
224static struct matrix_keymap_data board_map_data = { 235static struct matrix_keymap_data board_map_data = {
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index 45c23fd6df31..40b6ac2de876 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -26,6 +26,7 @@
26#include <mach/colibri.h> 26#include <mach/colibri.h>
27#include <mach/ohci.h> 27#include <mach/ohci.h>
28#include <mach/pxafb.h> 28#include <mach/pxafb.h>
29#include <mach/audio.h>
29 30
30#include "generic.h" 31#include "generic.h"
31#include "devices.h" 32#include "devices.h"
@@ -145,7 +146,7 @@ static void __init colibri_pxa300_init_lcd(void)
145static inline void colibri_pxa300_init_lcd(void) {} 146static inline void colibri_pxa300_init_lcd(void) {}
146#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ 147#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
147 148
148#if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE) 149#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
149static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = { 150static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
150 GPIO24_AC97_SYSCLK, 151 GPIO24_AC97_SYSCLK,
151 GPIO23_AC97_nACRESET, 152 GPIO23_AC97_nACRESET,
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 3d1dcb9ac08f..51ffa6afb675 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -446,7 +446,7 @@ static struct platform_device corgiled_device = {
446static struct pxamci_platform_data corgi_mci_platform_data = { 446static struct pxamci_platform_data corgi_mci_platform_data = {
447 .detect_delay_ms = 250, 447 .detect_delay_ms = 250,
448 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 448 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
449 .gpio_card_detect = -1, 449 .gpio_card_detect = CORGI_GPIO_nSD_DETECT,
450 .gpio_card_ro = CORGI_GPIO_nSD_WP, 450 .gpio_card_ro = CORGI_GPIO_nSD_WP,
451 .gpio_power = CORGI_GPIO_SD_PWR, 451 .gpio_power = CORGI_GPIO_SD_PWR,
452}; 452};
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
index 9e4d9816726a..268a9bc6be8a 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
@@ -256,13 +256,9 @@ static void init_sdram_rows(void)
256 256
257static u32 mdrefr_dri(unsigned int freq) 257static u32 mdrefr_dri(unsigned int freq)
258{ 258{
259 u32 dri = 0; 259 u32 interval = freq * SDRAM_TREF / sdram_rows;
260 260
261 if (cpu_is_pxa25x()) 261 return (interval - (cpu_is_pxa27x() ? 31 : 0)) / 32;
262 dri = ((freq * SDRAM_TREF) / (sdram_rows * 32));
263 if (cpu_is_pxa27x())
264 dri = ((freq * SDRAM_TREF) / (sdram_rows - 31)) / 32;
265 return dri;
266} 262}
267 263
268/* find a valid frequency point */ 264/* find a valid frequency point */
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 0af36177ff08..c059dac02b61 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -41,10 +41,10 @@ void pxa27x_clear_otgph(void)
41EXPORT_SYMBOL(pxa27x_clear_otgph); 41EXPORT_SYMBOL(pxa27x_clear_otgph);
42 42
43static unsigned long ac97_reset_config[] = { 43static unsigned long ac97_reset_config[] = {
44 GPIO95_AC97_nRESET,
45 GPIO95_GPIO,
46 GPIO113_AC97_nRESET,
47 GPIO113_GPIO, 44 GPIO113_GPIO,
45 GPIO113_AC97_nRESET,
46 GPIO95_GPIO,
47 GPIO95_AC97_nRESET,
48}; 48};
49 49
50void pxa27x_assert_ac97reset(int reset_gpio, int on) 50void pxa27x_assert_ac97reset(int reset_gpio, int on)
diff --git a/arch/arm/mach-shark/include/mach/debug-macro.S b/arch/arm/mach-shark/include/mach/debug-macro.S
index 50f071c5bf4d..5ea24d4d1ba6 100644
--- a/arch/arm/mach-shark/include/mach/debug-macro.S
+++ b/arch/arm/mach-shark/include/mach/debug-macro.S
@@ -20,6 +20,9 @@
20 strb \rd, [\rx] 20 strb \rd, [\rx]
21 .endm 21 .endm
22 22
23 .macro waituart,rd,rx
24 .endm
25
23 .macro busyuart,rd,rx 26 .macro busyuart,rd,rx
24 mov \rd, #0 27 mov \rd, #0
251001: add \rd, \rd, #1 281001: add \rd, \rd, #1
diff --git a/arch/arm/mach-w90x900/cpu.c b/arch/arm/mach-w90x900/cpu.c
index 642207e18198..83c56324a472 100644
--- a/arch/arm/mach-w90x900/cpu.c
+++ b/arch/arm/mach-w90x900/cpu.c
@@ -93,7 +93,7 @@ static struct clk_lookup nuc900_clkregs[] = {
93 DEF_CLKLOOK(&clk_kpi, "nuc900-kpi", NULL), 93 DEF_CLKLOOK(&clk_kpi, "nuc900-kpi", NULL),
94 DEF_CLKLOOK(&clk_wdt, "nuc900-wdt", NULL), 94 DEF_CLKLOOK(&clk_wdt, "nuc900-wdt", NULL),
95 DEF_CLKLOOK(&clk_gdma, "nuc900-gdma", NULL), 95 DEF_CLKLOOK(&clk_gdma, "nuc900-gdma", NULL),
96 DEF_CLKLOOK(&clk_adc, "nuc900-adc", NULL), 96 DEF_CLKLOOK(&clk_adc, "nuc900-ts", NULL),
97 DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL), 97 DEF_CLKLOOK(&clk_usi, "nuc900-spi", NULL),
98 DEF_CLKLOOK(&clk_ext, NULL, "ext"), 98 DEF_CLKLOOK(&clk_ext, NULL, "ext"),
99 DEF_CLKLOOK(&clk_timer0, NULL, "timer0"), 99 DEF_CLKLOOK(&clk_timer0, NULL, "timer0"),
diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S
index 1670734b7e51..37fa593884ee 100644
--- a/arch/arm/plat-spear/include/plat/debug-macro.S
+++ b/arch/arm/plat-spear/include/plat/debug-macro.S
@@ -17,8 +17,8 @@
17 .macro addruart, rx 17 .macro addruart, rx
18 mrc p15, 0, \rx, c1, c0 18 mrc p15, 0, \rx, c1, c0
19 tst \rx, #1 @ MMU enabled? 19 tst \rx, #1 @ MMU enabled?
20 moveq \rx, =SPEAR_DBG_UART_BASE @ Physical base 20 moveq \rx, #SPEAR_DBG_UART_BASE @ Physical base
21 movne \rx, =VA_SPEAR_DBG_UART_BASE @ Virtual base 21 movne \rx, #VA_SPEAR_DBG_UART_BASE @ Virtual base
22 .endm 22 .endm
23 23
24 .macro senduart, rd, rx 24 .macro senduart, rd, rx
diff --git a/arch/avr32/include/asm/ioctls.h b/arch/avr32/include/asm/ioctls.h
index 0cf2c0a4502b..e6ac0b661076 100644
--- a/arch/avr32/include/asm/ioctls.h
+++ b/arch/avr32/include/asm/ioctls.h
@@ -54,6 +54,9 @@
54#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ 54#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
55#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ 55#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
56 56
57#define TIOCGRS485 0x542E
58#define TIOCSRS485 0x542F
59
57#define FIONCLEX 0x5450 60#define FIONCLEX 0x5450
58#define FIOCLEX 0x5451 61#define FIOCLEX 0x5451
59#define FIOASYNC 0x5452 62#define FIOASYNC 0x5452
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index c7f25bb1d068..61740201b311 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -5,6 +5,7 @@
5#define __ASM_ARCH_BOARD_H 5#define __ASM_ARCH_BOARD_H
6 6
7#include <linux/types.h> 7#include <linux/types.h>
8#include <linux/serial.h>
8 9
9#define GPIO_PIN_NONE (-1) 10#define GPIO_PIN_NONE (-1)
10 11
@@ -35,6 +36,7 @@ struct atmel_uart_data {
35 short use_dma_tx; /* use transmit DMA? */ 36 short use_dma_tx; /* use transmit DMA? */
36 short use_dma_rx; /* use receive DMA? */ 37 short use_dma_rx; /* use receive DMA? */
37 void __iomem *regs; /* virtual base address, if any */ 38 void __iomem *regs; /* virtual base address, if any */
39 struct serial_rs485 rs485; /* rs485 settings */
38}; 40};
39void at32_map_usart(unsigned int hw_id, unsigned int line, int flags); 41void at32_map_usart(unsigned int hw_id, unsigned int line, int flags);
40struct platform_device *at32_add_device_usart(unsigned int id); 42struct platform_device *at32_add_device_usart(unsigned int id);
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 2580e77624d2..f9e5622ebc95 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -435,20 +435,21 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
435static int __init au1xxx_platform_init(void) 435static int __init au1xxx_platform_init(void)
436{ 436{
437 unsigned int uartclk = get_au1x00_uart_baud_base() * 16; 437 unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
438 int i; 438 int err, i;
439 439
440 /* Fill up uartclk. */ 440 /* Fill up uartclk. */
441 for (i = 0; au1x00_uart_data[i].flags; i++) 441 for (i = 0; au1x00_uart_data[i].flags; i++)
442 au1x00_uart_data[i].uartclk = uartclk; 442 au1x00_uart_data[i].uartclk = uartclk;
443 443
444 err = platform_add_devices(au1xxx_platform_devices,
445 ARRAY_SIZE(au1xxx_platform_devices));
444#ifndef CONFIG_SOC_AU1100 446#ifndef CONFIG_SOC_AU1100
445 /* Register second MAC if enabled in pinfunc */ 447 /* Register second MAC if enabled in pinfunc */
446 if (!(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2)) 448 if (!err && !(au_readl(SYS_PINFUNC) & (u32)SYS_PF_NI2))
447 platform_device_register(&au1xxx_eth1_device); 449 platform_device_register(&au1xxx_eth1_device);
448#endif 450#endif
449 451
450 return platform_add_devices(au1xxx_platform_devices, 452 return err;
451 ARRAY_SIZE(au1xxx_platform_devices));
452} 453}
453 454
454arch_initcall(au1xxx_platform_init); 455arch_initcall(au1xxx_platform_init);
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index a9f0336e1f1f..52d883d37dd7 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -67,8 +67,6 @@ static void mtx1_power_off(void)
67 67
68void __init board_setup(void) 68void __init board_setup(void)
69{ 69{
70 alchemy_gpio2_enable();
71
72#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 70#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
73 /* Enable USB power switch */ 71 /* Enable USB power switch */
74 alchemy_gpio_direction_output(204, 0); 72 alchemy_gpio_direction_output(204, 0);
@@ -117,11 +115,11 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
117 115
118 if (assert && devsel != 0) 116 if (assert && devsel != 0)
119 /* Suppress signal to Cardbus */ 117 /* Suppress signal to Cardbus */
120 gpio_set_value(1, 0); /* set EXT_IO3 OFF */ 118 alchemy_gpio_set_value(1, 0); /* set EXT_IO3 OFF */
121 else 119 else
122 gpio_set_value(1, 1); /* set EXT_IO3 ON */ 120 alchemy_gpio_set_value(1, 1); /* set EXT_IO3 ON */
123 121
124 au_sync_udelay(1); 122 udelay(1);
125 return 1; 123 return 1;
126} 124}
127 125
diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c
index 9f544badd0b4..39c23366c5c7 100644
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -104,6 +104,9 @@ int __init bcm63xx_enet_register(int unit,
104 if (unit > 1) 104 if (unit > 1)
105 return -ENODEV; 105 return -ENODEV;
106 106
107 if (unit == 1 && BCMCPU_IS_6338())
108 return -ENODEV;
109
107 if (!shared_device_registered) { 110 if (!shared_device_registered) {
108 shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA); 111 shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
109 shared_res[0].end = shared_res[0].start; 112 shared_res[0].end = shared_res[0].start;
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 59dc0c7ef733..c63c56bfd184 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -434,7 +434,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
434 __asm__ __volatile__( 434 __asm__ __volatile__(
435 " .set mips3 \n" 435 " .set mips3 \n"
436 "1: lld %0, %1 # atomic64_add \n" 436 "1: lld %0, %1 # atomic64_add \n"
437 " addu %0, %2 \n" 437 " daddu %0, %2 \n"
438 " scd %0, %1 \n" 438 " scd %0, %1 \n"
439 " beqzl %0, 1b \n" 439 " beqzl %0, 1b \n"
440 " .set mips0 \n" 440 " .set mips0 \n"
@@ -446,7 +446,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
446 __asm__ __volatile__( 446 __asm__ __volatile__(
447 " .set mips3 \n" 447 " .set mips3 \n"
448 "1: lld %0, %1 # atomic64_add \n" 448 "1: lld %0, %1 # atomic64_add \n"
449 " addu %0, %2 \n" 449 " daddu %0, %2 \n"
450 " scd %0, %1 \n" 450 " scd %0, %1 \n"
451 " beqz %0, 2f \n" 451 " beqz %0, 2f \n"
452 " .subsection 2 \n" 452 " .subsection 2 \n"
@@ -479,7 +479,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
479 __asm__ __volatile__( 479 __asm__ __volatile__(
480 " .set mips3 \n" 480 " .set mips3 \n"
481 "1: lld %0, %1 # atomic64_sub \n" 481 "1: lld %0, %1 # atomic64_sub \n"
482 " subu %0, %2 \n" 482 " dsubu %0, %2 \n"
483 " scd %0, %1 \n" 483 " scd %0, %1 \n"
484 " beqzl %0, 1b \n" 484 " beqzl %0, 1b \n"
485 " .set mips0 \n" 485 " .set mips0 \n"
@@ -491,7 +491,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
491 __asm__ __volatile__( 491 __asm__ __volatile__(
492 " .set mips3 \n" 492 " .set mips3 \n"
493 "1: lld %0, %1 # atomic64_sub \n" 493 "1: lld %0, %1 # atomic64_sub \n"
494 " subu %0, %2 \n" 494 " dsubu %0, %2 \n"
495 " scd %0, %1 \n" 495 " scd %0, %1 \n"
496 " beqz %0, 2f \n" 496 " beqz %0, 2f \n"
497 " .subsection 2 \n" 497 " .subsection 2 \n"
@@ -524,10 +524,10 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
524 __asm__ __volatile__( 524 __asm__ __volatile__(
525 " .set mips3 \n" 525 " .set mips3 \n"
526 "1: lld %1, %2 # atomic64_add_return \n" 526 "1: lld %1, %2 # atomic64_add_return \n"
527 " addu %0, %1, %3 \n" 527 " daddu %0, %1, %3 \n"
528 " scd %0, %2 \n" 528 " scd %0, %2 \n"
529 " beqzl %0, 1b \n" 529 " beqzl %0, 1b \n"
530 " addu %0, %1, %3 \n" 530 " daddu %0, %1, %3 \n"
531 " .set mips0 \n" 531 " .set mips0 \n"
532 : "=&r" (result), "=&r" (temp), "=m" (v->counter) 532 : "=&r" (result), "=&r" (temp), "=m" (v->counter)
533 : "Ir" (i), "m" (v->counter) 533 : "Ir" (i), "m" (v->counter)
@@ -538,10 +538,10 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
538 __asm__ __volatile__( 538 __asm__ __volatile__(
539 " .set mips3 \n" 539 " .set mips3 \n"
540 "1: lld %1, %2 # atomic64_add_return \n" 540 "1: lld %1, %2 # atomic64_add_return \n"
541 " addu %0, %1, %3 \n" 541 " daddu %0, %1, %3 \n"
542 " scd %0, %2 \n" 542 " scd %0, %2 \n"
543 " beqz %0, 2f \n" 543 " beqz %0, 2f \n"
544 " addu %0, %1, %3 \n" 544 " daddu %0, %1, %3 \n"
545 " .subsection 2 \n" 545 " .subsection 2 \n"
546 "2: b 1b \n" 546 "2: b 1b \n"
547 " .previous \n" 547 " .previous \n"
@@ -576,10 +576,10 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
576 __asm__ __volatile__( 576 __asm__ __volatile__(
577 " .set mips3 \n" 577 " .set mips3 \n"
578 "1: lld %1, %2 # atomic64_sub_return \n" 578 "1: lld %1, %2 # atomic64_sub_return \n"
579 " subu %0, %1, %3 \n" 579 " dsubu %0, %1, %3 \n"
580 " scd %0, %2 \n" 580 " scd %0, %2 \n"
581 " beqzl %0, 1b \n" 581 " beqzl %0, 1b \n"
582 " subu %0, %1, %3 \n" 582 " dsubu %0, %1, %3 \n"
583 " .set mips0 \n" 583 " .set mips0 \n"
584 : "=&r" (result), "=&r" (temp), "=m" (v->counter) 584 : "=&r" (result), "=&r" (temp), "=m" (v->counter)
585 : "Ir" (i), "m" (v->counter) 585 : "Ir" (i), "m" (v->counter)
@@ -590,10 +590,10 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
590 __asm__ __volatile__( 590 __asm__ __volatile__(
591 " .set mips3 \n" 591 " .set mips3 \n"
592 "1: lld %1, %2 # atomic64_sub_return \n" 592 "1: lld %1, %2 # atomic64_sub_return \n"
593 " subu %0, %1, %3 \n" 593 " dsubu %0, %1, %3 \n"
594 " scd %0, %2 \n" 594 " scd %0, %2 \n"
595 " beqz %0, 2f \n" 595 " beqz %0, 2f \n"
596 " subu %0, %1, %3 \n" 596 " dsubu %0, %1, %3 \n"
597 " .subsection 2 \n" 597 " .subsection 2 \n"
598 "2: b 1b \n" 598 "2: b 1b \n"
599 " .previous \n" 599 " .previous \n"
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 1b5a6648eb86..baa318a59c97 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -984,16 +984,17 @@
984#define __NR_perf_event_open (__NR_Linux + 296) 984#define __NR_perf_event_open (__NR_Linux + 296)
985#define __NR_accept4 (__NR_Linux + 297) 985#define __NR_accept4 (__NR_Linux + 297)
986#define __NR_recvmmsg (__NR_Linux + 298) 986#define __NR_recvmmsg (__NR_Linux + 298)
987#define __NR_getdents64 (__NR_Linux + 299)
987 988
988/* 989/*
989 * Offset of the last N32 flavoured syscall 990 * Offset of the last N32 flavoured syscall
990 */ 991 */
991#define __NR_Linux_syscalls 298 992#define __NR_Linux_syscalls 299
992 993
993#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ 994#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
994 995
995#define __NR_N32_Linux 6000 996#define __NR_N32_Linux 6000
996#define __NR_N32_Linux_syscalls 298 997#define __NR_N32_Linux_syscalls 299
997 998
998#ifdef __KERNEL__ 999#ifdef __KERNEL__
999 1000
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index a5297e2a353a..a4faceea9d88 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -419,4 +419,5 @@ EXPORT(sysn32_call_table)
419 PTR sys_perf_event_open 419 PTR sys_perf_event_open
420 PTR sys_accept4 420 PTR sys_accept4
421 PTR compat_sys_recvmmsg 421 PTR compat_sys_recvmmsg
422 PTR sys_getdents
422 .size sysn32_call_table,.-sysn32_call_table 423 .size sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index b773c1112b14..e5cdfd603f8f 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -61,11 +61,9 @@ static int __init init_vdso(void)
61 61
62 vunmap(vdso); 62 vunmap(vdso);
63 63
64 pr_notice("init_vdso successfull\n");
65
66 return 0; 64 return 0;
67} 65}
68device_initcall(init_vdso); 66subsys_initcall(init_vdso);
69 67
70static unsigned long vdso_addr(unsigned long start) 68static unsigned long vdso_addr(unsigned long start)
71{ 69{
diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c
index 2fbfa1a8c3a9..bf80921f2f56 100644
--- a/arch/mips/mti-malta/malta-pci.c
+++ b/arch/mips/mti-malta/malta-pci.c
@@ -247,6 +247,8 @@ void __init mips_pcibios_init(void)
247 iomem_resource.end &= 0xfffffffffULL; /* 64 GB */ 247 iomem_resource.end &= 0xfffffffffULL; /* 64 GB */
248 ioport_resource.end = controller->io_resource->end; 248 ioport_resource.end = controller->io_resource->end;
249 249
250 controller->io_map_base = mips_io_port_base;
251
250 register_pci_controller(controller); 252 register_pci_controller(controller);
251} 253}
252 254
diff --git a/arch/mips/nxp/pnx8550/common/pci.c b/arch/mips/nxp/pnx8550/common/pci.c
index eee4f3dfc410..98e86ddb86cc 100644
--- a/arch/mips/nxp/pnx8550/common/pci.c
+++ b/arch/mips/nxp/pnx8550/common/pci.c
@@ -44,6 +44,7 @@ extern struct pci_ops pnx8550_pci_ops;
44 44
45static struct pci_controller pnx8550_controller = { 45static struct pci_controller pnx8550_controller = {
46 .pci_ops = &pnx8550_pci_ops, 46 .pci_ops = &pnx8550_pci_ops,
47 .io_map_base = PNX8550_PORT_BASE,
47 .io_resource = &pci_io_resource, 48 .io_resource = &pci_io_resource,
48 .mem_resource = &pci_mem_resource, 49 .mem_resource = &pci_mem_resource,
49}; 50};
diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
index 2aed50fef10f..64246c9c875c 100644
--- a/arch/mips/nxp/pnx8550/common/setup.c
+++ b/arch/mips/nxp/pnx8550/common/setup.c
@@ -113,7 +113,7 @@ void __init plat_mem_setup(void)
113 PNX8550_GLB2_ENAB_INTA_O = 0; 113 PNX8550_GLB2_ENAB_INTA_O = 0;
114 114
115 /* IO/MEM resources. */ 115 /* IO/MEM resources. */
116 set_io_port_base(KSEG1); 116 set_io_port_base(PNX8550_PORT_BASE);
117 ioport_resource.start = 0; 117 ioport_resource.start = 0;
118 ioport_resource.end = ~0; 118 ioport_resource.end = ~0;
119 iomem_resource.start = 0; 119 iomem_resource.start = 0;
diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c
index 04b31478a6d7..b7c03d80c88c 100644
--- a/arch/mips/pci/ops-pmcmsp.c
+++ b/arch/mips/pci/ops-pmcmsp.c
@@ -944,6 +944,7 @@ static struct pci_controller msp_pci_controller = {
944 .pci_ops = &msp_pci_ops, 944 .pci_ops = &msp_pci_ops,
945 .mem_resource = &pci_mem_resource, 945 .mem_resource = &pci_mem_resource,
946 .mem_offset = 0, 946 .mem_offset = 0,
947 .io_map_base = MSP_PCI_IOSPACE_BASE,
947 .io_resource = &pci_io_resource, 948 .io_resource = &pci_io_resource,
948 .io_offset = 0 949 .io_offset = 0
949}; 950};
diff --git a/arch/mips/pci/pci-yosemite.c b/arch/mips/pci/pci-yosemite.c
index 0357946f30e6..cf5e1a25cb7d 100644
--- a/arch/mips/pci/pci-yosemite.c
+++ b/arch/mips/pci/pci-yosemite.c
@@ -54,6 +54,7 @@ static int __init pmc_yosemite_setup(void)
54 panic(ioremap_failed); 54 panic(ioremap_failed);
55 55
56 set_io_port_base(io_v_base); 56 set_io_port_base(io_v_base);
57 py_controller.io_map_base = io_v_base;
57 TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1); 58 TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1);
58 59
59 ioport_resource.end = TITAN_IO_SIZE - 1; 60 ioport_resource.end = TITAN_IO_SIZE - 1;
diff --git a/arch/mips/powertv/asic/asic_devices.c b/arch/mips/powertv/asic/asic_devices.c
index 8ee77887306a..9ec523e4dd06 100644
--- a/arch/mips/powertv/asic/asic_devices.c
+++ b/arch/mips/powertv/asic/asic_devices.c
@@ -472,6 +472,9 @@ void __init configure_platform(void)
472 * it*/ 472 * it*/
473 platform_features = FFS_CAPABLE | DISPLAY_CAPABLE; 473 platform_features = FFS_CAPABLE | DISPLAY_CAPABLE;
474 474
475 /* Cronus and Cronus Lite have the same register map */
476 set_register_map(CRONUS_IO_BASE, &cronus_register_map);
477
475 /* ASIC version will determine if this is a real CronusLite or 478 /* ASIC version will determine if this is a real CronusLite or
476 * Castrati(Cronus) */ 479 * Castrati(Cronus) */
477 chipversion = asic_read(chipver3) << 24; 480 chipversion = asic_read(chipver3) << 24;
@@ -484,8 +487,6 @@ void __init configure_platform(void)
484 else 487 else
485 asic = ASIC_CRONUSLITE; 488 asic = ASIC_CRONUSLITE;
486 489
487 /* Cronus and Cronus Lite have the same register map */
488 set_register_map(CRONUS_IO_BASE, &cronus_register_map);
489 gp_resources = non_dvr_cronuslite_resources; 490 gp_resources = non_dvr_cronuslite_resources;
490 pr_info("Platform: 4600 - %s, NON_DVR_CAPABLE, " 491 pr_info("Platform: 4600 - %s, NON_DVR_CAPABLE, "
491 "chipversion=0x%08X\n", 492 "chipversion=0x%08X\n",
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index 2a9cd74a841e..076327f2eff7 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -8,9 +8,9 @@
8 * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory 8 * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory
9 * and therefore we can only deal with memory within this range 9 * and therefore we can only deal with memory within this range
10 */ 10 */
11#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) 11#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1)
12#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) 12#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1)
13#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL) 13#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1)
14 14
15#else 15#else
16 16
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index 2102b214a87c..0e398cfee2c8 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -250,7 +250,9 @@ extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
250int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, 250int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
251 pte_t *ptep, unsigned long trap, int local, int ssize, 251 pte_t *ptep, unsigned long trap, int local, int ssize,
252 unsigned int shift, unsigned int mmu_psize); 252 unsigned int shift, unsigned int mmu_psize);
253 253extern void hash_failure_debug(unsigned long ea, unsigned long access,
254 unsigned long vsid, unsigned long trap,
255 int ssize, int psize, unsigned long pte);
254extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend, 256extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
255 unsigned long pstart, unsigned long prot, 257 unsigned long pstart, unsigned long prot,
256 int psize, int ssize); 258 int psize, int ssize);
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
index 369872f6cf78..babcceecd2ea 100644
--- a/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -566,9 +566,9 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
566 * Finally record data if requested. 566 * Finally record data if requested.
567 */ 567 */
568 if (record) { 568 if (record) {
569 struct perf_sample_data data = { 569 struct perf_sample_data data;
570 .period = event->hw.last_period, 570
571 }; 571 perf_sample_data_init(&data, 0);
572 572
573 if (perf_event_overflow(event, nmi, &data, regs)) { 573 if (perf_event_overflow(event, nmi, &data, regs)) {
574 /* 574 /*
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 9d3953983fb7..fed9bf6187d1 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -414,7 +414,7 @@ static int __init early_init_dt_scan_drconf_memory(unsigned long node)
414 u64 base, size, memblock_size; 414 u64 base, size, memblock_size;
415 unsigned int is_kexec_kdump = 0, rngs; 415 unsigned int is_kexec_kdump = 0, rngs;
416 416
417 ls = of_get_flat_dt_prop(node, "ibm,memblock-size", &l); 417 ls = of_get_flat_dt_prop(node, "ibm,lmb-size", &l);
418 if (ls == NULL || l < dt_root_size_cells * sizeof(__be32)) 418 if (ls == NULL || l < dt_root_size_cells * sizeof(__be32))
419 return 0; 419 return 0;
420 memblock_size = dt_mem_next_cell(dt_root_size_cells, &ls); 420 memblock_size = dt_mem_next_cell(dt_root_size_cells, &ls);
diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index a719f53921a5..3079f6b44cf5 100644
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -68,9 +68,6 @@ _GLOBAL(__hash_page_4K)
68 std r8,STK_PARM(r8)(r1) 68 std r8,STK_PARM(r8)(r1)
69 std r9,STK_PARM(r9)(r1) 69 std r9,STK_PARM(r9)(r1)
70 70
71 /* Add _PAGE_PRESENT to access */
72 ori r4,r4,_PAGE_PRESENT
73
74 /* Save non-volatile registers. 71 /* Save non-volatile registers.
75 * r31 will hold "old PTE" 72 * r31 will hold "old PTE"
76 * r30 is "new PTE" 73 * r30 is "new PTE"
@@ -347,9 +344,6 @@ _GLOBAL(__hash_page_4K)
347 std r8,STK_PARM(r8)(r1) 344 std r8,STK_PARM(r8)(r1)
348 std r9,STK_PARM(r9)(r1) 345 std r9,STK_PARM(r9)(r1)
349 346
350 /* Add _PAGE_PRESENT to access */
351 ori r4,r4,_PAGE_PRESENT
352
353 /* Save non-volatile registers. 347 /* Save non-volatile registers.
354 * r31 will hold "old PTE" 348 * r31 will hold "old PTE"
355 * r30 is "new PTE" 349 * r30 is "new PTE"
@@ -687,9 +681,6 @@ _GLOBAL(__hash_page_64K)
687 std r8,STK_PARM(r8)(r1) 681 std r8,STK_PARM(r8)(r1)
688 std r9,STK_PARM(r9)(r1) 682 std r9,STK_PARM(r9)(r1)
689 683
690 /* Add _PAGE_PRESENT to access */
691 ori r4,r4,_PAGE_PRESENT
692
693 /* Save non-volatile registers. 684 /* Save non-volatile registers.
694 * r31 will hold "old PTE" 685 * r31 will hold "old PTE"
695 * r30 is "new PTE" 686 * r30 is "new PTE"
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 98f262de5585..09dffe6efa46 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -871,6 +871,18 @@ static inline int subpage_protection(struct mm_struct *mm, unsigned long ea)
871} 871}
872#endif 872#endif
873 873
874void hash_failure_debug(unsigned long ea, unsigned long access,
875 unsigned long vsid, unsigned long trap,
876 int ssize, int psize, unsigned long pte)
877{
878 if (!printk_ratelimit())
879 return;
880 pr_info("mm: Hashing failure ! EA=0x%lx access=0x%lx current=%s\n",
881 ea, access, current->comm);
882 pr_info(" trap=0x%lx vsid=0x%lx ssize=%d psize=%d pte=0x%lx\n",
883 trap, vsid, ssize, psize, pte);
884}
885
874/* Result code is: 886/* Result code is:
875 * 0 - handled 887 * 0 - handled
876 * 1 - normal page fault 888 * 1 - normal page fault
@@ -955,6 +967,17 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
955 return 1; 967 return 1;
956 } 968 }
957 969
970 /* Add _PAGE_PRESENT to the required access perm */
971 access |= _PAGE_PRESENT;
972
973 /* Pre-check access permissions (will be re-checked atomically
974 * in __hash_page_XX but this pre-check is a fast path
975 */
976 if (access & ~pte_val(*ptep)) {
977 DBG_LOW(" no access !\n");
978 return 1;
979 }
980
958#ifdef CONFIG_HUGETLB_PAGE 981#ifdef CONFIG_HUGETLB_PAGE
959 if (hugeshift) 982 if (hugeshift)
960 return __hash_page_huge(ea, access, vsid, ptep, trap, local, 983 return __hash_page_huge(ea, access, vsid, ptep, trap, local,
@@ -967,14 +990,6 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
967 DBG_LOW(" i-pte: %016lx %016lx\n", pte_val(*ptep), 990 DBG_LOW(" i-pte: %016lx %016lx\n", pte_val(*ptep),
968 pte_val(*(ptep + PTRS_PER_PTE))); 991 pte_val(*(ptep + PTRS_PER_PTE)));
969#endif 992#endif
970 /* Pre-check access permissions (will be re-checked atomically
971 * in __hash_page_XX but this pre-check is a fast path
972 */
973 if (access & ~pte_val(*ptep)) {
974 DBG_LOW(" no access !\n");
975 return 1;
976 }
977
978 /* Do actual hashing */ 993 /* Do actual hashing */
979#ifdef CONFIG_PPC_64K_PAGES 994#ifdef CONFIG_PPC_64K_PAGES
980 /* If _PAGE_4K_PFN is set, make sure this is a 4k segment */ 995 /* If _PAGE_4K_PFN is set, make sure this is a 4k segment */
@@ -1033,6 +1048,12 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
1033 local, ssize, spp); 1048 local, ssize, spp);
1034 } 1049 }
1035 1050
1051 /* Dump some info in case of hash insertion failure, they should
1052 * never happen so it is really useful to know if/when they do
1053 */
1054 if (rc == -1)
1055 hash_failure_debug(ea, access, vsid, trap, ssize, psize,
1056 pte_val(*ptep));
1036#ifndef CONFIG_PPC_64K_PAGES 1057#ifndef CONFIG_PPC_64K_PAGES
1037 DBG_LOW(" o-pte: %016lx\n", pte_val(*ptep)); 1058 DBG_LOW(" o-pte: %016lx\n", pte_val(*ptep));
1038#else 1059#else
@@ -1051,8 +1072,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
1051 void *pgdir; 1072 void *pgdir;
1052 pte_t *ptep; 1073 pte_t *ptep;
1053 unsigned long flags; 1074 unsigned long flags;
1054 int local = 0; 1075 int rc, ssize, local = 0;
1055 int ssize;
1056 1076
1057 BUG_ON(REGION_ID(ea) != USER_REGION_ID); 1077 BUG_ON(REGION_ID(ea) != USER_REGION_ID);
1058 1078
@@ -1098,11 +1118,18 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
1098 /* Hash it in */ 1118 /* Hash it in */
1099#ifdef CONFIG_PPC_HAS_HASH_64K 1119#ifdef CONFIG_PPC_HAS_HASH_64K
1100 if (mm->context.user_psize == MMU_PAGE_64K) 1120 if (mm->context.user_psize == MMU_PAGE_64K)
1101 __hash_page_64K(ea, access, vsid, ptep, trap, local, ssize); 1121 rc = __hash_page_64K(ea, access, vsid, ptep, trap, local, ssize);
1102 else 1122 else
1103#endif /* CONFIG_PPC_HAS_HASH_64K */ 1123#endif /* CONFIG_PPC_HAS_HASH_64K */
1104 __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize, 1124 rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize,
1105 subpage_protection(pgdir, ea)); 1125 subpage_protection(pgdir, ea));
1126
1127 /* Dump some info in case of hash insertion failure, they should
1128 * never happen so it is really useful to know if/when they do
1129 */
1130 if (rc == -1)
1131 hash_failure_debug(ea, access, vsid, trap, ssize,
1132 mm->context.user_psize, pte_val(*ptep));
1106 1133
1107 local_irq_restore(flags); 1134 local_irq_restore(flags);
1108} 1135}
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index 199539882f92..cc5c273086cf 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -21,21 +21,13 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
21 unsigned long old_pte, new_pte; 21 unsigned long old_pte, new_pte;
22 unsigned long va, rflags, pa, sz; 22 unsigned long va, rflags, pa, sz;
23 long slot; 23 long slot;
24 int err = 1;
25 24
26 BUG_ON(shift != mmu_psize_defs[mmu_psize].shift); 25 BUG_ON(shift != mmu_psize_defs[mmu_psize].shift);
27 26
28 /* Search the Linux page table for a match with va */ 27 /* Search the Linux page table for a match with va */
29 va = hpt_va(ea, vsid, ssize); 28 va = hpt_va(ea, vsid, ssize);
30 29
31 /* 30 /* At this point, we have a pte (old_pte) which can be used to build
32 * Check the user's access rights to the page. If access should be
33 * prevented then send the problem up to do_page_fault.
34 */
35 if (unlikely(access & ~pte_val(*ptep)))
36 goto out;
37 /*
38 * At this point, we have a pte (old_pte) which can be used to build
39 * or update an HPTE. There are 2 cases: 31 * or update an HPTE. There are 2 cases:
40 * 32 *
41 * 1. There is a valid (present) pte with no associated HPTE (this is 33 * 1. There is a valid (present) pte with no associated HPTE (this is
@@ -49,9 +41,17 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
49 41
50 do { 42 do {
51 old_pte = pte_val(*ptep); 43 old_pte = pte_val(*ptep);
52 if (old_pte & _PAGE_BUSY) 44 /* If PTE busy, retry the access */
53 goto out; 45 if (unlikely(old_pte & _PAGE_BUSY))
46 return 0;
47 /* If PTE permissions don't match, take page fault */
48 if (unlikely(access & ~old_pte))
49 return 1;
50 /* Try to lock the PTE, add ACCESSED and DIRTY if it was
51 * a write access */
54 new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED; 52 new_pte = old_pte | _PAGE_BUSY | _PAGE_ACCESSED;
53 if (access & _PAGE_RW)
54 new_pte |= _PAGE_DIRTY;
55 } while(old_pte != __cmpxchg_u64((unsigned long *)ptep, 55 } while(old_pte != __cmpxchg_u64((unsigned long *)ptep,
56 old_pte, new_pte)); 56 old_pte, new_pte));
57 57
@@ -121,8 +121,16 @@ repeat:
121 } 121 }
122 } 122 }
123 123
124 if (unlikely(slot == -2)) 124 /*
125 panic("hash_huge_page: pte_insert failed\n"); 125 * Hypervisor failure. Restore old pte and return -1
126 * similar to __hash_page_*
127 */
128 if (unlikely(slot == -2)) {
129 *ptep = __pte(old_pte);
130 hash_failure_debug(ea, access, vsid, trap, ssize,
131 mmu_psize, old_pte);
132 return -1;
133 }
126 134
127 new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX); 135 new_pte |= (slot << 12) & (_PAGE_F_SECOND | _PAGE_F_GIX);
128 } 136 }
@@ -131,9 +139,5 @@ repeat:
131 * No need to use ldarx/stdcx here 139 * No need to use ldarx/stdcx here
132 */ 140 */
133 *ptep = __pte(new_pte & ~_PAGE_BUSY); 141 *ptep = __pte(new_pte & ~_PAGE_BUSY);
134 142 return 0;
135 err = 0;
136
137 out:
138 return err;
139} 143}
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index f47364585ecd..aa731af720c0 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -398,15 +398,15 @@ static int of_get_drconf_memory(struct device_node *memory, const u32 **dm)
398} 398}
399 399
400/* 400/*
401 * Retreive and validate the ibm,memblock-size property for drconf memory 401 * Retreive and validate the ibm,lmb-size property for drconf memory
402 * from the device tree. 402 * from the device tree.
403 */ 403 */
404static u64 of_get_memblock_size(struct device_node *memory) 404static u64 of_get_lmb_size(struct device_node *memory)
405{ 405{
406 const u32 *prop; 406 const u32 *prop;
407 u32 len; 407 u32 len;
408 408
409 prop = of_get_property(memory, "ibm,memblock-size", &len); 409 prop = of_get_property(memory, "ibm,lmb-size", &len);
410 if (!prop || len < sizeof(unsigned int)) 410 if (!prop || len < sizeof(unsigned int))
411 return 0; 411 return 0;
412 412
@@ -562,7 +562,7 @@ static unsigned long __init numa_enforce_memory_limit(unsigned long start,
562static inline int __init read_usm_ranges(const u32 **usm) 562static inline int __init read_usm_ranges(const u32 **usm)
563{ 563{
564 /* 564 /*
565 * For each memblock in ibm,dynamic-memory a corresponding 565 * For each lmb in ibm,dynamic-memory a corresponding
566 * entry in linux,drconf-usable-memory property contains 566 * entry in linux,drconf-usable-memory property contains
567 * a counter followed by that many (base, size) duple. 567 * a counter followed by that many (base, size) duple.
568 * read the counter from linux,drconf-usable-memory 568 * read the counter from linux,drconf-usable-memory
@@ -578,7 +578,7 @@ static void __init parse_drconf_memory(struct device_node *memory)
578{ 578{
579 const u32 *dm, *usm; 579 const u32 *dm, *usm;
580 unsigned int n, rc, ranges, is_kexec_kdump = 0; 580 unsigned int n, rc, ranges, is_kexec_kdump = 0;
581 unsigned long memblock_size, base, size, sz; 581 unsigned long lmb_size, base, size, sz;
582 int nid; 582 int nid;
583 struct assoc_arrays aa; 583 struct assoc_arrays aa;
584 584
@@ -586,8 +586,8 @@ static void __init parse_drconf_memory(struct device_node *memory)
586 if (!n) 586 if (!n)
587 return; 587 return;
588 588
589 memblock_size = of_get_memblock_size(memory); 589 lmb_size = of_get_lmb_size(memory);
590 if (!memblock_size) 590 if (!lmb_size)
591 return; 591 return;
592 592
593 rc = of_get_assoc_arrays(memory, &aa); 593 rc = of_get_assoc_arrays(memory, &aa);
@@ -611,7 +611,7 @@ static void __init parse_drconf_memory(struct device_node *memory)
611 continue; 611 continue;
612 612
613 base = drmem.base_addr; 613 base = drmem.base_addr;
614 size = memblock_size; 614 size = lmb_size;
615 ranges = 1; 615 ranges = 1;
616 616
617 if (is_kexec_kdump) { 617 if (is_kexec_kdump) {
@@ -1072,7 +1072,7 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory,
1072{ 1072{
1073 const u32 *dm; 1073 const u32 *dm;
1074 unsigned int drconf_cell_cnt, rc; 1074 unsigned int drconf_cell_cnt, rc;
1075 unsigned long memblock_size; 1075 unsigned long lmb_size;
1076 struct assoc_arrays aa; 1076 struct assoc_arrays aa;
1077 int nid = -1; 1077 int nid = -1;
1078 1078
@@ -1080,8 +1080,8 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory,
1080 if (!drconf_cell_cnt) 1080 if (!drconf_cell_cnt)
1081 return -1; 1081 return -1;
1082 1082
1083 memblock_size = of_get_memblock_size(memory); 1083 lmb_size = of_get_lmb_size(memory);
1084 if (!memblock_size) 1084 if (!lmb_size)
1085 return -1; 1085 return -1;
1086 1086
1087 rc = of_get_assoc_arrays(memory, &aa); 1087 rc = of_get_assoc_arrays(memory, &aa);
@@ -1100,7 +1100,7 @@ static int hot_add_drconf_scn_to_nid(struct device_node *memory,
1100 continue; 1100 continue;
1101 1101
1102 if ((scn_addr < drmem.base_addr) 1102 if ((scn_addr < drmem.base_addr)
1103 || (scn_addr >= (drmem.base_addr + memblock_size))) 1103 || (scn_addr >= (drmem.base_addr + lmb_size)))
1104 continue; 1104 continue;
1105 1105
1106 nid = of_drconf_to_nid_single(&drmem, &aa); 1106 nid = of_drconf_to_nid_single(&drmem, &aa);
diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index deab5f946090..bc8803664140 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -69,7 +69,7 @@ static int pseries_remove_memory(struct device_node *np)
69 const char *type; 69 const char *type;
70 const unsigned int *regs; 70 const unsigned int *regs;
71 unsigned long base; 71 unsigned long base;
72 unsigned int memblock_size; 72 unsigned int lmb_size;
73 int ret = -EINVAL; 73 int ret = -EINVAL;
74 74
75 /* 75 /*
@@ -87,9 +87,9 @@ static int pseries_remove_memory(struct device_node *np)
87 return ret; 87 return ret;
88 88
89 base = *(unsigned long *)regs; 89 base = *(unsigned long *)regs;
90 memblock_size = regs[3]; 90 lmb_size = regs[3];
91 91
92 ret = pseries_remove_memblock(base, memblock_size); 92 ret = pseries_remove_memblock(base, lmb_size);
93 return ret; 93 return ret;
94} 94}
95 95
@@ -98,7 +98,7 @@ static int pseries_add_memory(struct device_node *np)
98 const char *type; 98 const char *type;
99 const unsigned int *regs; 99 const unsigned int *regs;
100 unsigned long base; 100 unsigned long base;
101 unsigned int memblock_size; 101 unsigned int lmb_size;
102 int ret = -EINVAL; 102 int ret = -EINVAL;
103 103
104 /* 104 /*
@@ -116,36 +116,36 @@ static int pseries_add_memory(struct device_node *np)
116 return ret; 116 return ret;
117 117
118 base = *(unsigned long *)regs; 118 base = *(unsigned long *)regs;
119 memblock_size = regs[3]; 119 lmb_size = regs[3];
120 120
121 /* 121 /*
122 * Update memory region to represent the memory add 122 * Update memory region to represent the memory add
123 */ 123 */
124 ret = memblock_add(base, memblock_size); 124 ret = memblock_add(base, lmb_size);
125 return (ret < 0) ? -EINVAL : 0; 125 return (ret < 0) ? -EINVAL : 0;
126} 126}
127 127
128static int pseries_drconf_memory(unsigned long *base, unsigned int action) 128static int pseries_drconf_memory(unsigned long *base, unsigned int action)
129{ 129{
130 struct device_node *np; 130 struct device_node *np;
131 const unsigned long *memblock_size; 131 const unsigned long *lmb_size;
132 int rc; 132 int rc;
133 133
134 np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory"); 134 np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
135 if (!np) 135 if (!np)
136 return -EINVAL; 136 return -EINVAL;
137 137
138 memblock_size = of_get_property(np, "ibm,memblock-size", NULL); 138 lmb_size = of_get_property(np, "ibm,lmb-size", NULL);
139 if (!memblock_size) { 139 if (!lmb_size) {
140 of_node_put(np); 140 of_node_put(np);
141 return -EINVAL; 141 return -EINVAL;
142 } 142 }
143 143
144 if (action == PSERIES_DRCONF_MEM_ADD) { 144 if (action == PSERIES_DRCONF_MEM_ADD) {
145 rc = memblock_add(*base, *memblock_size); 145 rc = memblock_add(*base, *lmb_size);
146 rc = (rc < 0) ? -EINVAL : 0; 146 rc = (rc < 0) ? -EINVAL : 0;
147 } else if (action == PSERIES_DRCONF_MEM_REMOVE) { 147 } else if (action == PSERIES_DRCONF_MEM_REMOVE) {
148 rc = pseries_remove_memblock(*base, *memblock_size); 148 rc = pseries_remove_memblock(*base, *lmb_size);
149 } else { 149 } else {
150 rc = -EINVAL; 150 rc = -EINVAL;
151 } 151 }
diff --git a/arch/x86/include/asm/cmpxchg_32.h b/arch/x86/include/asm/cmpxchg_32.h
index 8859e12dd3cf..c1cf59d72f09 100644
--- a/arch/x86/include/asm/cmpxchg_32.h
+++ b/arch/x86/include/asm/cmpxchg_32.h
@@ -27,20 +27,20 @@ struct __xchg_dummy {
27 switch (size) { \ 27 switch (size) { \
28 case 1: \ 28 case 1: \
29 asm volatile("xchgb %b0,%1" \ 29 asm volatile("xchgb %b0,%1" \
30 : "=q" (__x) \ 30 : "=q" (__x), "+m" (*__xg(ptr)) \
31 : "m" (*__xg(ptr)), "0" (__x) \ 31 : "0" (__x) \
32 : "memory"); \ 32 : "memory"); \
33 break; \ 33 break; \
34 case 2: \ 34 case 2: \
35 asm volatile("xchgw %w0,%1" \ 35 asm volatile("xchgw %w0,%1" \
36 : "=r" (__x) \ 36 : "=r" (__x), "+m" (*__xg(ptr)) \
37 : "m" (*__xg(ptr)), "0" (__x) \ 37 : "0" (__x) \
38 : "memory"); \ 38 : "memory"); \
39 break; \ 39 break; \
40 case 4: \ 40 case 4: \
41 asm volatile("xchgl %0,%1" \ 41 asm volatile("xchgl %0,%1" \
42 : "=r" (__x) \ 42 : "=r" (__x), "+m" (*__xg(ptr)) \
43 : "m" (*__xg(ptr)), "0" (__x) \ 43 : "0" (__x) \
44 : "memory"); \ 44 : "memory"); \
45 break; \ 45 break; \
46 default: \ 46 default: \
@@ -70,14 +70,14 @@ static inline void __set_64bit(unsigned long long *ptr,
70 unsigned int low, unsigned int high) 70 unsigned int low, unsigned int high)
71{ 71{
72 asm volatile("\n1:\t" 72 asm volatile("\n1:\t"
73 "movl (%0), %%eax\n\t" 73 "movl (%1), %%eax\n\t"
74 "movl 4(%0), %%edx\n\t" 74 "movl 4(%1), %%edx\n\t"
75 LOCK_PREFIX "cmpxchg8b (%0)\n\t" 75 LOCK_PREFIX "cmpxchg8b (%1)\n\t"
76 "jnz 1b" 76 "jnz 1b"
77 : /* no outputs */ 77 : "=m" (*ptr)
78 : "D"(ptr), 78 : "D" (ptr),
79 "b"(low), 79 "b" (low),
80 "c"(high) 80 "c" (high)
81 : "ax", "dx", "memory"); 81 : "ax", "dx", "memory");
82} 82}
83 83
@@ -121,21 +121,21 @@ extern void __cmpxchg_wrong_size(void);
121 __typeof__(*(ptr)) __new = (new); \ 121 __typeof__(*(ptr)) __new = (new); \
122 switch (size) { \ 122 switch (size) { \
123 case 1: \ 123 case 1: \
124 asm volatile(lock "cmpxchgb %b1,%2" \ 124 asm volatile(lock "cmpxchgb %b2,%1" \
125 : "=a"(__ret) \ 125 : "=a" (__ret), "+m" (*__xg(ptr)) \
126 : "q"(__new), "m"(*__xg(ptr)), "0"(__old) \ 126 : "q" (__new), "0" (__old) \
127 : "memory"); \ 127 : "memory"); \
128 break; \ 128 break; \
129 case 2: \ 129 case 2: \
130 asm volatile(lock "cmpxchgw %w1,%2" \ 130 asm volatile(lock "cmpxchgw %w2,%1" \
131 : "=a"(__ret) \ 131 : "=a" (__ret), "+m" (*__xg(ptr)) \
132 : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ 132 : "r" (__new), "0" (__old) \
133 : "memory"); \ 133 : "memory"); \
134 break; \ 134 break; \
135 case 4: \ 135 case 4: \
136 asm volatile(lock "cmpxchgl %1,%2" \ 136 asm volatile(lock "cmpxchgl %2,%1" \
137 : "=a"(__ret) \ 137 : "=a" (__ret), "+m" (*__xg(ptr)) \
138 : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ 138 : "r" (__new), "0" (__old) \
139 : "memory"); \ 139 : "memory"); \
140 break; \ 140 break; \
141 default: \ 141 default: \
@@ -180,12 +180,12 @@ static inline unsigned long long __cmpxchg64(volatile void *ptr,
180 unsigned long long new) 180 unsigned long long new)
181{ 181{
182 unsigned long long prev; 182 unsigned long long prev;
183 asm volatile(LOCK_PREFIX "cmpxchg8b %3" 183 asm volatile(LOCK_PREFIX "cmpxchg8b %1"
184 : "=A"(prev) 184 : "=A" (prev),
185 : "b"((unsigned long)new), 185 "+m" (*__xg(ptr))
186 "c"((unsigned long)(new >> 32)), 186 : "b" ((unsigned long)new),
187 "m"(*__xg(ptr)), 187 "c" ((unsigned long)(new >> 32)),
188 "0"(old) 188 "0" (old)
189 : "memory"); 189 : "memory");
190 return prev; 190 return prev;
191} 191}
@@ -195,12 +195,12 @@ static inline unsigned long long __cmpxchg64_local(volatile void *ptr,
195 unsigned long long new) 195 unsigned long long new)
196{ 196{
197 unsigned long long prev; 197 unsigned long long prev;
198 asm volatile("cmpxchg8b %3" 198 asm volatile("cmpxchg8b %1"
199 : "=A"(prev) 199 : "=A" (prev),
200 : "b"((unsigned long)new), 200 "+m" (*__xg(ptr))
201 "c"((unsigned long)(new >> 32)), 201 : "b" ((unsigned long)new),
202 "m"(*__xg(ptr)), 202 "c" ((unsigned long)(new >> 32)),
203 "0"(old) 203 "0" (old)
204 : "memory"); 204 : "memory");
205 return prev; 205 return prev;
206} 206}
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index 485ae415faec..b92f147339f3 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -26,26 +26,26 @@ extern void __cmpxchg_wrong_size(void);
26 switch (size) { \ 26 switch (size) { \
27 case 1: \ 27 case 1: \
28 asm volatile("xchgb %b0,%1" \ 28 asm volatile("xchgb %b0,%1" \
29 : "=q" (__x) \ 29 : "=q" (__x), "+m" (*__xg(ptr)) \
30 : "m" (*__xg(ptr)), "0" (__x) \ 30 : "0" (__x) \
31 : "memory"); \ 31 : "memory"); \
32 break; \ 32 break; \
33 case 2: \ 33 case 2: \
34 asm volatile("xchgw %w0,%1" \ 34 asm volatile("xchgw %w0,%1" \
35 : "=r" (__x) \ 35 : "=r" (__x), "+m" (*__xg(ptr)) \
36 : "m" (*__xg(ptr)), "0" (__x) \ 36 : "0" (__x) \
37 : "memory"); \ 37 : "memory"); \
38 break; \ 38 break; \
39 case 4: \ 39 case 4: \
40 asm volatile("xchgl %k0,%1" \ 40 asm volatile("xchgl %k0,%1" \
41 : "=r" (__x) \ 41 : "=r" (__x), "+m" (*__xg(ptr)) \
42 : "m" (*__xg(ptr)), "0" (__x) \ 42 : "0" (__x) \
43 : "memory"); \ 43 : "memory"); \
44 break; \ 44 break; \
45 case 8: \ 45 case 8: \
46 asm volatile("xchgq %0,%1" \ 46 asm volatile("xchgq %0,%1" \
47 : "=r" (__x) \ 47 : "=r" (__x), "+m" (*__xg(ptr)) \
48 : "m" (*__xg(ptr)), "0" (__x) \ 48 : "0" (__x) \
49 : "memory"); \ 49 : "memory"); \
50 break; \ 50 break; \
51 default: \ 51 default: \
@@ -71,27 +71,27 @@ extern void __cmpxchg_wrong_size(void);
71 __typeof__(*(ptr)) __new = (new); \ 71 __typeof__(*(ptr)) __new = (new); \
72 switch (size) { \ 72 switch (size) { \
73 case 1: \ 73 case 1: \
74 asm volatile(lock "cmpxchgb %b1,%2" \ 74 asm volatile(lock "cmpxchgb %b2,%1" \
75 : "=a"(__ret) \ 75 : "=a" (__ret), "+m" (*__xg(ptr)) \
76 : "q"(__new), "m"(*__xg(ptr)), "0"(__old) \ 76 : "q" (__new), "0" (__old) \
77 : "memory"); \ 77 : "memory"); \
78 break; \ 78 break; \
79 case 2: \ 79 case 2: \
80 asm volatile(lock "cmpxchgw %w1,%2" \ 80 asm volatile(lock "cmpxchgw %w2,%1" \
81 : "=a"(__ret) \ 81 : "=a" (__ret), "+m" (*__xg(ptr)) \
82 : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ 82 : "r" (__new), "0" (__old) \
83 : "memory"); \ 83 : "memory"); \
84 break; \ 84 break; \
85 case 4: \ 85 case 4: \
86 asm volatile(lock "cmpxchgl %k1,%2" \ 86 asm volatile(lock "cmpxchgl %k2,%1" \
87 : "=a"(__ret) \ 87 : "=a" (__ret), "+m" (*__xg(ptr)) \
88 : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ 88 : "r" (__new), "0" (__old) \
89 : "memory"); \ 89 : "memory"); \
90 break; \ 90 break; \
91 case 8: \ 91 case 8: \
92 asm volatile(lock "cmpxchgq %1,%2" \ 92 asm volatile(lock "cmpxchgq %2,%1" \
93 : "=a"(__ret) \ 93 : "=a" (__ret), "+m" (*__xg(ptr)) \
94 : "r"(__new), "m"(*__xg(ptr)), "0"(__old) \ 94 : "r" (__new), "0" (__old) \
95 : "memory"); \ 95 : "memory"); \
96 break; \ 96 break; \
97 default: \ 97 default: \
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 2e837f5080fe..fb7a5f052e2b 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -145,6 +145,15 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
145 percpu_entry->states[cx->index].eax = cx->address; 145 percpu_entry->states[cx->index].eax = cx->address;
146 percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK; 146 percpu_entry->states[cx->index].ecx = MWAIT_ECX_INTERRUPT_BREAK;
147 } 147 }
148
149 /*
150 * For _CST FFH on Intel, if GAS.access_size bit 1 is cleared,
151 * then we should skip checking BM_STS for this C-state.
152 * ref: "Intel Processor Vendor-Specific ACPI Interface Specification"
153 */
154 if ((c->x86_vendor == X86_VENDOR_INTEL) && !(reg->access_size & 0x2))
155 cx->bm_sts_skip = 1;
156
148 return retval; 157 return retval;
149} 158}
150EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe); 159EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 82e508677b91..fcc3c61fdecc 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -157,9 +157,14 @@ static int __init acpi_sleep_setup(char *str)
157#ifdef CONFIG_HIBERNATION 157#ifdef CONFIG_HIBERNATION
158 if (strncmp(str, "s4_nohwsig", 10) == 0) 158 if (strncmp(str, "s4_nohwsig", 10) == 0)
159 acpi_no_s4_hw_signature(); 159 acpi_no_s4_hw_signature();
160 if (strncmp(str, "s4_nonvs", 8) == 0) 160 if (strncmp(str, "s4_nonvs", 8) == 0) {
161 acpi_s4_no_nvs(); 161 pr_warning("ACPI: acpi_sleep=s4_nonvs is deprecated, "
162 "please use acpi_sleep=nonvs instead");
163 acpi_nvs_nosave();
164 }
162#endif 165#endif
166 if (strncmp(str, "nonvs", 5) == 0)
167 acpi_nvs_nosave();
163 if (strncmp(str, "old_ordering", 12) == 0) 168 if (strncmp(str, "old_ordering", 12) == 0)
164 acpi_old_suspend_ordering(); 169 acpi_old_suspend_ordering();
165 str = strchr(str, ','); 170 str = strchr(str, ',');
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index ce7cde713e71..a36de5bbb622 100644
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -368,22 +368,16 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
368 return -ENODEV; 368 return -ENODEV;
369 369
370 out_obj = output.pointer; 370 out_obj = output.pointer;
371 if (out_obj->type != ACPI_TYPE_BUFFER) { 371 if (out_obj->type != ACPI_TYPE_BUFFER)
372 ret = -ENODEV; 372 return -ENODEV;
373 goto out_free;
374 }
375 373
376 errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0); 374 errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
377 if (errors) { 375 if (errors)
378 ret = -ENODEV; 376 return -ENODEV;
379 goto out_free;
380 }
381 377
382 supported = *((u32 *)(out_obj->buffer.pointer + 4)); 378 supported = *((u32 *)(out_obj->buffer.pointer + 4));
383 if (!(supported & 0x1)) { 379 if (!(supported & 0x1))
384 ret = -ENODEV; 380 return -ENODEV;
385 goto out_free;
386 }
387 381
388out_free: 382out_free:
389 kfree(output.pointer); 383 kfree(output.pointer);
@@ -397,13 +391,17 @@ static int __init pcc_cpufreq_probe(void)
397 struct pcc_memory_resource *mem_resource; 391 struct pcc_memory_resource *mem_resource;
398 struct pcc_register_resource *reg_resource; 392 struct pcc_register_resource *reg_resource;
399 union acpi_object *out_obj, *member; 393 union acpi_object *out_obj, *member;
400 acpi_handle handle, osc_handle; 394 acpi_handle handle, osc_handle, pcch_handle;
401 int ret = 0; 395 int ret = 0;
402 396
403 status = acpi_get_handle(NULL, "\\_SB", &handle); 397 status = acpi_get_handle(NULL, "\\_SB", &handle);
404 if (ACPI_FAILURE(status)) 398 if (ACPI_FAILURE(status))
405 return -ENODEV; 399 return -ENODEV;
406 400
401 status = acpi_get_handle(handle, "PCCH", &pcch_handle);
402 if (ACPI_FAILURE(status))
403 return -ENODEV;
404
407 status = acpi_get_handle(handle, "_OSC", &osc_handle); 405 status = acpi_get_handle(handle, "_OSC", &osc_handle);
408 if (ACPI_SUCCESS(status)) { 406 if (ACPI_SUCCESS(status)) {
409 ret = pcc_cpufreq_do_osc(&osc_handle); 407 ret = pcc_cpufreq_do_osc(&osc_handle);
@@ -543,13 +541,13 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy)
543 541
544 if (!pcch_virt_addr) { 542 if (!pcch_virt_addr) {
545 result = -1; 543 result = -1;
546 goto pcch_null; 544 goto out;
547 } 545 }
548 546
549 result = pcc_get_offset(cpu); 547 result = pcc_get_offset(cpu);
550 if (result) { 548 if (result) {
551 dprintk("init: PCCP evaluation failed\n"); 549 dprintk("init: PCCP evaluation failed\n");
552 goto free; 550 goto out;
553 } 551 }
554 552
555 policy->max = policy->cpuinfo.max_freq = 553 policy->max = policy->cpuinfo.max_freq =
@@ -558,14 +556,15 @@ static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy)
558 ioread32(&pcch_hdr->minimum_frequency) * 1000; 556 ioread32(&pcch_hdr->minimum_frequency) * 1000;
559 policy->cur = pcc_get_freq(cpu); 557 policy->cur = pcc_get_freq(cpu);
560 558
559 if (!policy->cur) {
560 dprintk("init: Unable to get current CPU frequency\n");
561 result = -EINVAL;
562 goto out;
563 }
564
561 dprintk("init: policy->max is %d, policy->min is %d\n", 565 dprintk("init: policy->max is %d, policy->min is %d\n",
562 policy->max, policy->min); 566 policy->max, policy->min);
563 567out:
564 return 0;
565free:
566 pcc_clear_mapping();
567 free_percpu(pcc_cpu_info);
568pcch_null:
569 return result; 568 return result;
570} 569}
571 570
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 7ec2123838e6..3e90cce3dc8b 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1023,13 +1023,12 @@ static int get_transition_latency(struct powernow_k8_data *data)
1023 } 1023 }
1024 if (max_latency == 0) { 1024 if (max_latency == 0) {
1025 /* 1025 /*
1026 * Fam 11h always returns 0 as transition latency. 1026 * Fam 11h and later may return 0 as transition latency. This
1027 * This is intended and means "very fast". While cpufreq core 1027 * is intended and means "very fast". While cpufreq core and
1028 * and governors currently can handle that gracefully, better 1028 * governors currently can handle that gracefully, better set it
1029 * set it to 1 to avoid problems in the future. 1029 * to 1 to avoid problems in the future.
1030 * For all others it's a BIOS bug.
1031 */ 1030 */
1032 if (boot_cpu_data.x86 != 0x11) 1031 if (boot_cpu_data.x86 < 0x11)
1033 printk(KERN_ERR FW_WARN PFX "Invalid zero transition " 1032 printk(KERN_ERR FW_WARN PFX "Invalid zero transition "
1034 "latency\n"); 1033 "latency\n");
1035 max_latency = 1; 1034 max_latency = 1;
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index 0697ff139837..4db7c4d12ffa 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -571,8 +571,8 @@ auditsys:
571 * masked off. 571 * masked off.
572 */ 572 */
573sysret_audit: 573sysret_audit:
574 movq %rax,%rsi /* second arg, syscall return value */ 574 movq RAX-ARGOFFSET(%rsp),%rsi /* second arg, syscall return value */
575 cmpq $0,%rax /* is it < 0? */ 575 cmpq $0,%rsi /* is it < 0? */
576 setl %al /* 1 if so, 0 if not */ 576 setl %al /* 1 if so, 0 if not */
577 movzbl %al,%edi /* zero-extend that into %edi */ 577 movzbl %al,%edi /* zero-extend that into %edi */
578 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */ 578 inc %edi /* first arg, 0->1(AUDITSC_SUCCESS), 1->2(AUDITSC_FAILURE) */
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index a198b7c87a12..ba390d731175 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -964,7 +964,7 @@ fs_initcall(hpet_late_init);
964 964
965void hpet_disable(void) 965void hpet_disable(void)
966{ 966{
967 if (is_hpet_capable()) { 967 if (is_hpet_capable() && hpet_virt_address) {
968 unsigned int cfg = hpet_readl(HPET_CFG); 968 unsigned int cfg = hpet_readl(HPET_CFG);
969 969
970 if (hpet_legacy_int_enabled) { 970 if (hpet_legacy_int_enabled) {
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 7c9f02c130f3..cafa7c80ac95 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -276,16 +276,6 @@ static struct sys_device device_i8259A = {
276 .cls = &i8259_sysdev_class, 276 .cls = &i8259_sysdev_class,
277}; 277};
278 278
279static int __init i8259A_init_sysfs(void)
280{
281 int error = sysdev_class_register(&i8259_sysdev_class);
282 if (!error)
283 error = sysdev_register(&device_i8259A);
284 return error;
285}
286
287device_initcall(i8259A_init_sysfs);
288
289static void mask_8259A(void) 279static void mask_8259A(void)
290{ 280{
291 unsigned long flags; 281 unsigned long flags;
@@ -407,3 +397,18 @@ struct legacy_pic default_legacy_pic = {
407}; 397};
408 398
409struct legacy_pic *legacy_pic = &default_legacy_pic; 399struct legacy_pic *legacy_pic = &default_legacy_pic;
400
401static int __init i8259A_init_sysfs(void)
402{
403 int error;
404
405 if (legacy_pic != &default_legacy_pic)
406 return 0;
407
408 error = sysdev_class_register(&i8259_sysdev_class);
409 if (!error)
410 error = sysdev_register(&device_i8259A);
411 return error;
412}
413
414device_initcall(i8259A_init_sysfs);
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 89d66ca4d87c..2331bdc2b549 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -342,6 +342,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
342 /* advance table_gfn when emulating 1gb pages with 4k */ 342 /* advance table_gfn when emulating 1gb pages with 4k */
343 if (delta == 0) 343 if (delta == 0)
344 table_gfn += PT_INDEX(addr, level); 344 table_gfn += PT_INDEX(addr, level);
345 access &= gw->pte_access;
345 } else { 346 } else {
346 direct = 0; 347 direct = 0;
347 table_gfn = gw->table_gfn[level - 2]; 348 table_gfn = gw->table_gfn[level - 2];
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6127468ebbd2..33f0a84cfd93 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1562,7 +1562,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs,
1562 1562
1563 r = -ENOMEM; 1563 r = -ENOMEM;
1564 size = sizeof(struct kvm_msr_entry) * msrs.nmsrs; 1564 size = sizeof(struct kvm_msr_entry) * msrs.nmsrs;
1565 entries = vmalloc(size); 1565 entries = kmalloc(size, GFP_KERNEL);
1566 if (!entries) 1566 if (!entries)
1567 goto out; 1567 goto out;
1568 1568
@@ -1581,7 +1581,7 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs,
1581 r = n; 1581 r = n;
1582 1582
1583out_free: 1583out_free:
1584 vfree(entries); 1584 kfree(entries);
1585out: 1585out:
1586 return r; 1586 return r;
1587} 1587}
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-21 18:35:44 -0500