diff options
Diffstat (limited to 'arch/parisc')
-rw-r--r-- | arch/parisc/Kconfig | 1 | ||||
-rw-r--r-- | arch/parisc/Makefile | 2 | ||||
-rw-r--r-- | arch/parisc/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/parisc/kernel/init_task.c | 70 | ||||
-rw-r--r-- | arch/parisc/kernel/smp.c | 25 | ||||
-rw-r--r-- | arch/parisc/mm/init.c | 12 |
6 files changed, 18 insertions, 94 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 242a1b7ac759..ddb8b24b823d 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig | |||
@@ -17,6 +17,7 @@ config PARISC | |||
17 | select GENERIC_PCI_IOMAP | 17 | select GENERIC_PCI_IOMAP |
18 | select IRQ_PER_CPU | 18 | select IRQ_PER_CPU |
19 | select ARCH_HAVE_NMI_SAFE_CMPXCHG | 19 | select ARCH_HAVE_NMI_SAFE_CMPXCHG |
20 | select GENERIC_SMP_IDLE_THREAD | ||
20 | 21 | ||
21 | help | 22 | help |
22 | The PA-RISC microprocessor is designed by Hewlett-Packard and used | 23 | The PA-RISC microprocessor is designed by Hewlett-Packard and used |
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 19ab7b2ea1cd..dbc3850b1d0d 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile | |||
@@ -75,7 +75,7 @@ head-y := arch/parisc/kernel/head.o | |||
75 | 75 | ||
76 | KBUILD_CFLAGS += $(cflags-y) | 76 | KBUILD_CFLAGS += $(cflags-y) |
77 | 77 | ||
78 | kernel-y := mm/ kernel/ math-emu/ kernel/init_task.o | 78 | kernel-y := mm/ kernel/ math-emu/ |
79 | kernel-$(CONFIG_HPUX) += hpux/ | 79 | kernel-$(CONFIG_HPUX) += hpux/ |
80 | 80 | ||
81 | core-y += $(addprefix arch/parisc/, $(kernel-y)) | 81 | core-y += $(addprefix arch/parisc/, $(kernel-y)) |
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile index 67db0722e6ca..66ee3f12df58 100644 --- a/arch/parisc/kernel/Makefile +++ b/arch/parisc/kernel/Makefile | |||
@@ -2,7 +2,7 @@ | |||
2 | # Makefile for arch/parisc/kernel | 2 | # Makefile for arch/parisc/kernel |
3 | # | 3 | # |
4 | 4 | ||
5 | extra-y := init_task.o head.o vmlinux.lds | 5 | extra-y := head.o vmlinux.lds |
6 | 6 | ||
7 | obj-y := cache.o pacache.o setup.o traps.o time.o irq.o \ | 7 | obj-y := cache.o pacache.o setup.o traps.o time.o irq.o \ |
8 | pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \ | 8 | pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \ |
diff --git a/arch/parisc/kernel/init_task.c b/arch/parisc/kernel/init_task.c deleted file mode 100644 index 4a91e433416f..000000000000 --- a/arch/parisc/kernel/init_task.c +++ /dev/null | |||
@@ -1,70 +0,0 @@ | |||
1 | /* | ||
2 | * Static declaration of "init" task data structure. | ||
3 | * | ||
4 | * Copyright (C) 2000 Paul Bame <bame at parisc-linux.org> | ||
5 | * Copyright (C) 2000-2001 John Marvin <jsm at parisc-linux.org> | ||
6 | * Copyright (C) 2001 Helge Deller <deller @ parisc-linux.org> | ||
7 | * Copyright (C) 2002 Matthew Wilcox <willy with parisc-linux.org> | ||
8 | * | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
18 | * GNU General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the Free Software | ||
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 | */ | ||
24 | |||
25 | #include <linux/mm.h> | ||
26 | #include <linux/fs.h> | ||
27 | #include <linux/module.h> | ||
28 | #include <linux/sched.h> | ||
29 | #include <linux/init.h> | ||
30 | #include <linux/init_task.h> | ||
31 | #include <linux/mqueue.h> | ||
32 | |||
33 | #include <asm/uaccess.h> | ||
34 | #include <asm/pgtable.h> | ||
35 | #include <asm/pgalloc.h> | ||
36 | |||
37 | static struct signal_struct init_signals = INIT_SIGNALS(init_signals); | ||
38 | static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); | ||
39 | /* | ||
40 | * Initial task structure. | ||
41 | * | ||
42 | * We need to make sure that this is 16384-byte aligned due to the | ||
43 | * way process stacks are handled. This is done by having a special | ||
44 | * "init_task" linker map entry.. | ||
45 | */ | ||
46 | union thread_union init_thread_union __init_task_data | ||
47 | __attribute__((aligned(128))) = | ||
48 | { INIT_THREAD_INFO(init_task) }; | ||
49 | |||
50 | #if PT_NLEVELS == 3 | ||
51 | /* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout | ||
52 | * with the first pmd adjacent to the pgd and below it. gcc doesn't actually | ||
53 | * guarantee that global objects will be laid out in memory in the same order | ||
54 | * as the order of declaration, so put these in different sections and use | ||
55 | * the linker script to order them. */ | ||
56 | pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".data..vm0.pmd"), aligned(PAGE_SIZE))); | ||
57 | #endif | ||
58 | |||
59 | pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".data..vm0.pgd"), aligned(PAGE_SIZE))); | ||
60 | pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".data..vm0.pte"), aligned(PAGE_SIZE))); | ||
61 | |||
62 | /* | ||
63 | * Initial task structure. | ||
64 | * | ||
65 | * All other task structs will be allocated on slabs in fork.c | ||
66 | */ | ||
67 | EXPORT_SYMBOL(init_task); | ||
68 | |||
69 | __asm__(".data"); | ||
70 | struct task_struct init_task = INIT_TASK(init_task); | ||
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 4dc7b7942b4c..a47828d31fe6 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c | |||
@@ -340,26 +340,11 @@ void __init smp_callin(void) | |||
340 | /* | 340 | /* |
341 | * Bring one cpu online. | 341 | * Bring one cpu online. |
342 | */ | 342 | */ |
343 | int __cpuinit smp_boot_one_cpu(int cpuid) | 343 | int __cpuinit smp_boot_one_cpu(int cpuid, struct task_struct *idle) |
344 | { | 344 | { |
345 | const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid); | 345 | const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid); |
346 | struct task_struct *idle; | ||
347 | long timeout; | 346 | long timeout; |
348 | 347 | ||
349 | /* | ||
350 | * Create an idle task for this CPU. Note the address wed* give | ||
351 | * to kernel_thread is irrelevant -- it's going to start | ||
352 | * where OS_BOOT_RENDEVZ vector in SAL says to start. But | ||
353 | * this gets all the other task-y sort of data structures set | ||
354 | * up like we wish. We need to pull the just created idle task | ||
355 | * off the run queue and stuff it into the init_tasks[] array. | ||
356 | * Sheesh . . . | ||
357 | */ | ||
358 | |||
359 | idle = fork_idle(cpuid); | ||
360 | if (IS_ERR(idle)) | ||
361 | panic("SMP: fork failed for CPU:%d", cpuid); | ||
362 | |||
363 | task_thread_info(idle)->cpu = cpuid; | 348 | task_thread_info(idle)->cpu = cpuid; |
364 | 349 | ||
365 | /* Let _start know what logical CPU we're booting | 350 | /* Let _start know what logical CPU we're booting |
@@ -403,10 +388,6 @@ int __cpuinit smp_boot_one_cpu(int cpuid) | |||
403 | udelay(100); | 388 | udelay(100); |
404 | barrier(); | 389 | barrier(); |
405 | } | 390 | } |
406 | |||
407 | put_task_struct(idle); | ||
408 | idle = NULL; | ||
409 | |||
410 | printk(KERN_CRIT "SMP: CPU:%d is stuck.\n", cpuid); | 391 | printk(KERN_CRIT "SMP: CPU:%d is stuck.\n", cpuid); |
411 | return -1; | 392 | return -1; |
412 | 393 | ||
@@ -455,10 +436,10 @@ void smp_cpus_done(unsigned int cpu_max) | |||
455 | } | 436 | } |
456 | 437 | ||
457 | 438 | ||
458 | int __cpuinit __cpu_up(unsigned int cpu) | 439 | int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) |
459 | { | 440 | { |
460 | if (cpu != 0 && cpu < parisc_max_cpus) | 441 | if (cpu != 0 && cpu < parisc_max_cpus) |
461 | smp_boot_one_cpu(cpu); | 442 | smp_boot_one_cpu(cpu, tidle); |
462 | 443 | ||
463 | return cpu_online(cpu) ? 0 : -ENOSYS; | 444 | return cpu_online(cpu) ? 0 : -ENOSYS; |
464 | } | 445 | } |
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 82f364e209fc..3ac462de53a4 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c | |||
@@ -33,6 +33,18 @@ | |||
33 | 33 | ||
34 | extern int data_start; | 34 | extern int data_start; |
35 | 35 | ||
36 | #if PT_NLEVELS == 3 | ||
37 | /* NOTE: This layout exactly conforms to the hybrid L2/L3 page table layout | ||
38 | * with the first pmd adjacent to the pgd and below it. gcc doesn't actually | ||
39 | * guarantee that global objects will be laid out in memory in the same order | ||
40 | * as the order of declaration, so put these in different sections and use | ||
41 | * the linker script to order them. */ | ||
42 | pmd_t pmd0[PTRS_PER_PMD] __attribute__ ((__section__ (".data..vm0.pmd"), aligned(PAGE_SIZE))); | ||
43 | #endif | ||
44 | |||
45 | pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((__section__ (".data..vm0.pgd"), aligned(PAGE_SIZE))); | ||
46 | pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((__section__ (".data..vm0.pte"), aligned(PAGE_SIZE))); | ||
47 | |||
36 | #ifdef CONFIG_DISCONTIGMEM | 48 | #ifdef CONFIG_DISCONTIGMEM |
37 | struct node_map_data node_data[MAX_NUMNODES] __read_mostly; | 49 | struct node_map_data node_data[MAX_NUMNODES] __read_mostly; |
38 | unsigned char pfnnid_map[PFNNID_MAP_MAX] __read_mostly; | 50 | unsigned char pfnnid_map[PFNNID_MAP_MAX] __read_mostly; |