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authorJeff Dike <jdike@addtoit.com>2006-03-27 04:14:30 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 11:44:37 -0500
commit63ae2a94d98dd9d94163918539ec80df33f44a69 (patch)
treeebb7d6d0919fd5a8d3bac6c6a726f2f51f53f779 /arch/um/kernel/smp.c
parentd9f8b62a6b033fe7226d7c2b2efdd164ca1aa07c (diff)
[PATCH] uml: move libc-dependent irq code to os-Linux
The serial UML OS-abstraction layer patch (um/kernel dir). This moves all systemcalls from irq_user.c file under os-Linux dir Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel/smp.c')
-rw-r--r--arch/um/kernel/smp.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index 72113b0a96e..c8d8d0ac1a7 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -1,4 +1,4 @@
1/* 1/*
2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) 2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL 3 * Licensed under the GPL
4 */ 4 */
@@ -77,9 +77,9 @@ static int idle_proc(void *cpup)
77 if(err < 0) 77 if(err < 0)
78 panic("CPU#%d failed to create IPI pipe, err = %d", cpu, -err); 78 panic("CPU#%d failed to create IPI pipe, err = %d", cpu, -err);
79 79
80 activate_ipi(cpu_data[cpu].ipi_pipe[0], 80 os_set_fd_async(cpu_data[cpu].ipi_pipe[0],
81 current->thread.mode.tt.extern_pid); 81 current->thread.mode.tt.extern_pid);
82 82
83 wmb(); 83 wmb();
84 if (cpu_test_and_set(cpu, cpu_callin_map)) { 84 if (cpu_test_and_set(cpu, cpu_callin_map)) {
85 printk("huh, CPU#%d already present??\n", cpu); 85 printk("huh, CPU#%d already present??\n", cpu);
@@ -106,7 +106,7 @@ static struct task_struct *idle_thread(int cpu)
106 panic("copy_process failed in idle_thread, error = %ld", 106 panic("copy_process failed in idle_thread, error = %ld",
107 PTR_ERR(new_task)); 107 PTR_ERR(new_task));
108 108
109 cpu_tasks[cpu] = ((struct cpu_task) 109 cpu_tasks[cpu] = ((struct cpu_task)
110 { .pid = new_task->thread.mode.tt.extern_pid, 110 { .pid = new_task->thread.mode.tt.extern_pid,
111 .task = new_task } ); 111 .task = new_task } );
112 idle_threads[cpu] = new_task; 112 idle_threads[cpu] = new_task;
@@ -134,12 +134,12 @@ void smp_prepare_cpus(unsigned int maxcpus)
134 if(err < 0) 134 if(err < 0)
135 panic("CPU#0 failed to create IPI pipe, errno = %d", -err); 135 panic("CPU#0 failed to create IPI pipe, errno = %d", -err);
136 136
137 activate_ipi(cpu_data[me].ipi_pipe[0], 137 os_set_fd_async(cpu_data[me].ipi_pipe[0],
138 current->thread.mode.tt.extern_pid); 138 current->thread.mode.tt.extern_pid);
139 139
140 for(cpu = 1; cpu < ncpus; cpu++){ 140 for(cpu = 1; cpu < ncpus; cpu++){
141 printk("Booting processor %d...\n", cpu); 141 printk("Booting processor %d...\n", cpu);
142 142
143 idle = idle_thread(cpu); 143 idle = idle_thread(cpu);
144 144
145 init_idle(idle, cpu); 145 init_idle(idle, cpu);
@@ -223,7 +223,7 @@ void smp_call_function_slave(int cpu)
223 atomic_inc(&scf_finished); 223 atomic_inc(&scf_finished);
224} 224}
225 225
226int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic, 226int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic,
227 int wait) 227 int wait)
228{ 228{
229 int cpus = num_online_cpus() - 1; 229 int cpus = num_online_cpus() - 1;