diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 13 | ||||
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/rtas_flash.c | 2 |
4 files changed, 13 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 11b4f6d9ffce..d3aee08e6814 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S | |||
| @@ -1387,12 +1387,14 @@ __secondary_start: | |||
| 1387 | #ifdef CONFIG_PPC_ISERIES | 1387 | #ifdef CONFIG_PPC_ISERIES |
| 1388 | BEGIN_FW_FTR_SECTION | 1388 | BEGIN_FW_FTR_SECTION |
| 1389 | ori r4,r4,MSR_EE | 1389 | ori r4,r4,MSR_EE |
| 1390 | li r8,1 | ||
| 1391 | stb r8,PACAHARDIRQEN(r13) | ||
| 1390 | END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) | 1392 | END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) |
| 1391 | #endif | 1393 | #endif |
| 1392 | BEGIN_FW_FTR_SECTION | 1394 | BEGIN_FW_FTR_SECTION |
| 1393 | stb r7,PACASOFTIRQEN(r13) | ||
| 1394 | stb r7,PACAHARDIRQEN(r13) | 1395 | stb r7,PACAHARDIRQEN(r13) |
| 1395 | END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) | 1396 | END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) |
| 1397 | stb r7,PACASOFTIRQEN(r13) | ||
| 1396 | 1398 | ||
| 1397 | mtspr SPRN_SRR0,r3 | 1399 | mtspr SPRN_SRR0,r3 |
| 1398 | mtspr SPRN_SRR1,r4 | 1400 | mtspr SPRN_SRR1,r4 |
| @@ -1520,15 +1522,14 @@ _INIT_GLOBAL(start_here_common) | |||
| 1520 | #ifdef CONFIG_PPC_ISERIES | 1522 | #ifdef CONFIG_PPC_ISERIES |
| 1521 | BEGIN_FW_FTR_SECTION | 1523 | BEGIN_FW_FTR_SECTION |
| 1522 | mfmsr r5 | 1524 | mfmsr r5 |
| 1523 | ori r5,r5,MSR_EE /* Hard Enabled */ | 1525 | ori r5,r5,MSR_EE /* Hard Enabled on iSeries*/ |
| 1524 | mtmsrd r5 | 1526 | mtmsrd r5 |
| 1527 | li r5,1 | ||
| 1525 | END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) | 1528 | END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES) |
| 1526 | #endif | 1529 | #endif |
| 1527 | BEGIN_FW_FTR_SECTION | 1530 | stb r5,PACAHARDIRQEN(r13) /* Hard Disabled on others */ |
| 1528 | stb r5,PACAHARDIRQEN(r13) | ||
| 1529 | END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES) | ||
| 1530 | 1531 | ||
| 1531 | bl .start_kernel | 1532 | bl .start_kernel |
| 1532 | 1533 | ||
| 1533 | /* Not reached */ | 1534 | /* Not reached */ |
| 1534 | BUG_OPCODE | 1535 | BUG_OPCODE |
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index b0e5deb4274f..292163f5b39a 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c | |||
| @@ -143,7 +143,6 @@ void local_irq_restore(unsigned long en) | |||
| 143 | */ | 143 | */ |
| 144 | if (local_paca->lppaca_ptr->int_dword.any_int) | 144 | if (local_paca->lppaca_ptr->int_dword.any_int) |
| 145 | iseries_handle_interrupts(); | 145 | iseries_handle_interrupts(); |
| 146 | return; | ||
| 147 | } | 146 | } |
| 148 | 147 | ||
| 149 | /* | 148 | /* |
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 59311ec0d422..4ec605521504 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c | |||
| @@ -241,8 +241,12 @@ void discard_lazy_cpu_state(void) | |||
| 241 | } | 241 | } |
| 242 | #endif /* CONFIG_SMP */ | 242 | #endif /* CONFIG_SMP */ |
| 243 | 243 | ||
| 244 | static DEFINE_PER_CPU(unsigned long, current_dabr); | ||
| 245 | |||
| 244 | int set_dabr(unsigned long dabr) | 246 | int set_dabr(unsigned long dabr) |
| 245 | { | 247 | { |
| 248 | __get_cpu_var(current_dabr) = dabr; | ||
| 249 | |||
| 246 | #ifdef CONFIG_PPC_MERGE /* XXX for now */ | 250 | #ifdef CONFIG_PPC_MERGE /* XXX for now */ |
| 247 | if (ppc_md.set_dabr) | 251 | if (ppc_md.set_dabr) |
| 248 | return ppc_md.set_dabr(dabr); | 252 | return ppc_md.set_dabr(dabr); |
| @@ -259,8 +263,6 @@ int set_dabr(unsigned long dabr) | |||
| 259 | DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array); | 263 | DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array); |
| 260 | #endif | 264 | #endif |
| 261 | 265 | ||
| 262 | static DEFINE_PER_CPU(unsigned long, current_dabr); | ||
| 263 | |||
| 264 | struct task_struct *__switch_to(struct task_struct *prev, | 266 | struct task_struct *__switch_to(struct task_struct *prev, |
| 265 | struct task_struct *new) | 267 | struct task_struct *new) |
| 266 | { | 268 | { |
| @@ -325,10 +327,8 @@ struct task_struct *__switch_to(struct task_struct *prev, | |||
| 325 | 327 | ||
| 326 | #endif /* CONFIG_SMP */ | 328 | #endif /* CONFIG_SMP */ |
| 327 | 329 | ||
| 328 | if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) { | 330 | if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) |
| 329 | set_dabr(new->thread.dabr); | 331 | set_dabr(new->thread.dabr); |
| 330 | __get_cpu_var(current_dabr) = new->thread.dabr; | ||
| 331 | } | ||
| 332 | 332 | ||
| 333 | new_thread = &new->thread; | 333 | new_thread = &new->thread; |
| 334 | old_thread = ¤t->thread; | 334 | old_thread = ¤t->thread; |
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index f2276593f416..538baf46f15f 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c | |||
| @@ -356,7 +356,7 @@ static int rtas_excl_open(struct inode *inode, struct file *file) | |||
| 356 | 356 | ||
| 357 | /* Enforce exclusive open with use count of PDE */ | 357 | /* Enforce exclusive open with use count of PDE */ |
| 358 | spin_lock(&flash_file_open_lock); | 358 | spin_lock(&flash_file_open_lock); |
| 359 | if (atomic_read(&dp->count) > 1) { | 359 | if (atomic_read(&dp->count) > 2) { |
| 360 | spin_unlock(&flash_file_open_lock); | 360 | spin_unlock(&flash_file_open_lock); |
| 361 | return -EBUSY; | 361 | return -EBUSY; |
| 362 | } | 362 | } |
