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[PATCH] uml: move libc-dependent irq code to os-Linux

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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>
This commit is contained in:
Jeff Dike
2006-03-27 01:14:30 -08:00
committed by Linus Torvalds
parent d9f8b62a6b
commit 63ae2a94d9
10 changed files with 290 additions and 163 deletions
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14
arch/um/kernel/smp.c
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@@ -1,4 +1,4 @@
/*
/*
* Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
@@ -77,9 +77,9 @@ static int idle_proc(void *cpup)
if(err < 0)
panic("CPU#%d failed to create IPI pipe, err = %d", cpu, -err);
activate_ipi(cpu_data[cpu].ipi_pipe[0],
os_set_fd_async(cpu_data[cpu].ipi_pipe[0],
current->thread.mode.tt.extern_pid);
wmb();
if (cpu_test_and_set(cpu, cpu_callin_map)) {
printk("huh, CPU#%d already present??\n", cpu);
@@ -106,7 +106,7 @@ static struct task_struct *idle_thread(int cpu)
panic("copy_process failed in idle_thread, error = %ld",
PTR_ERR(new_task));
cpu_tasks[cpu] = ((struct cpu_task)
cpu_tasks[cpu] = ((struct cpu_task)
{ .pid = new_task->thread.mode.tt.extern_pid,
.task = new_task } );
idle_threads[cpu] = new_task;
@@ -134,12 +134,12 @@ void smp_prepare_cpus(unsigned int maxcpus)
if(err < 0)
panic("CPU#0 failed to create IPI pipe, errno = %d", -err);
activate_ipi(cpu_data[me].ipi_pipe[0],
os_set_fd_async(cpu_data[me].ipi_pipe[0],
current->thread.mode.tt.extern_pid);
for(cpu = 1; cpu < ncpus; cpu++){
printk("Booting processor %d...\n", cpu);
idle = idle_thread(cpu);
init_idle(idle, cpu);
@@ -223,7 +223,7 @@ void smp_call_function_slave(int cpu)
atomic_inc(&scf_finished);
}
int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic,
int smp_call_function(void (*_func)(void *info), void *_info, int nonatomic,
int wait)
{
int cpus = num_online_cpus() - 1;