Merge branch 'master'

[cascardo/linux.git] / arch / um / kernel / process_kern.c

diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 0d73cee..3113cab 100644 (file)
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -36,11 +36,9 @@
 #include "kern_util.h"
 #include "kern.h"
 #include "signal_kern.h"
-#include "signal_user.h"
 #include "init.h"
 #include "irq_user.h"
 #include "mem_user.h"
-#include "time_user.h"
 #include "tlb.h"
 #include "frame_kern.h"
 #include "sigcontext.h"
@@ -108,7 +106,7 @@ void set_current(void *t)
 {
        struct task_struct *task = t;
 
-       cpu_tasks[task->thread_info->cpu] = ((struct cpu_task) 
+       cpu_tasks[task_thread_info(task)->cpu] = ((struct cpu_task)
                { external_pid(task), task });
 }
 
@@ -222,6 +220,7 @@ void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
        pud_t *pud;
        pmd_t *pmd;
        pte_t *pte;
+       pte_t ptent;
 
        if(task->mm == NULL) 
                return(ERR_PTR(-EINVAL));
@@ -238,12 +237,13 @@ void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
                return(ERR_PTR(-EINVAL));
 
        pte = pte_offset_kernel(pmd, addr);
-       if(!pte_present(*pte)) 
+       ptent = *pte;
+       if(!pte_present(ptent))
                return(ERR_PTR(-EINVAL));
 
        if(pte_out != NULL)
-               *pte_out = *pte;
-       return((void *) (pte_val(*pte) & PAGE_MASK) + (addr & ~PAGE_MASK));
+               *pte_out = ptent;
+       return((void *) (pte_val(ptent) & PAGE_MASK) + (addr & ~PAGE_MASK));
 }
 
 char *current_cmd(void)
@@ -287,17 +287,27 @@ EXPORT_SYMBOL(disable_hlt);
 
 void *um_kmalloc(int size)
 {
-       return(kmalloc(size, GFP_KERNEL));
+       return kmalloc(size, GFP_KERNEL);
 }
 
 void *um_kmalloc_atomic(int size)
 {
-       return(kmalloc(size, GFP_ATOMIC));
+       return kmalloc(size, GFP_ATOMIC);
 }
 
 void *um_vmalloc(int size)
 {
-       return(vmalloc(size));
+       return vmalloc(size);
+}
+
+void *um_vmalloc_atomic(int size)
+{
+       return __vmalloc(size, GFP_ATOMIC | __GFP_HIGHMEM, PAGE_KERNEL);
+}
+
+int __cant_sleep(void) {
+       return in_atomic() || irqs_disabled() || in_interrupt();
+       /* Is in_interrupt() really needed? */
 }
 
 unsigned long get_fault_addr(void)
@@ -322,10 +332,6 @@ int user_context(unsigned long sp)
        return(stack != (unsigned long) current_thread);
 }
 
-extern void remove_umid_dir(void);
-
-__uml_exitcall(remove_umid_dir);
-
 extern exitcall_t __uml_exitcall_begin, __uml_exitcall_end;
 
 void do_uml_exitcalls(void)
@@ -373,11 +379,6 @@ int smp_sigio_handler(void)
        return(0);
 }
 
-int um_in_interrupt(void)
-{
-       return(in_interrupt());
-}
-
 int cpu(void)
 {
        return(current_thread->cpu);