From: Ben Gras <ben@minix3.org>
Date: Mon, 26 Apr 2010 15:32:42 +0000 (+0000)
Subject: remove intr_disabled() as interrupts are always disabled in the kernel now.
X-Git-Tag: v3.1.7~123
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/addsub.png?a=commitdiff_plain;h=86e8eff9051cac5bd835c73bf42cafcbf0aad170;p=minix.git

remove intr_disabled() as interrupts are always disabled in the kernel now.
---

diff --git a/kernel/arch/i386/i8259.c b/kernel/arch/i386/i8259.c
index a2b0b6c8b..42674bb5a 100644
--- a/kernel/arch/i386/i8259.c
+++ b/kernel/arch/i386/i8259.c
@@ -23,16 +23,6 @@
 #define ICW4_PC_AEOI_SLAVE   0x0B /* not SFNM, buffered, auto EOI, 8086 */
 #define ICW4_PC_AEOI_MASTER  0x0F /* not SFNM, buffered, auto EOI, 8086 */
 
-/*===========================================================================*
- *				intr_disabled			     	     *
- *===========================================================================*/
-PRIVATE int intr_disabled(void)
-{
-	if(!(read_cpu_flags() & X86_FLAG_I))
-		return 1;
-	return 0;
-}
-
 /*===========================================================================*
  *				intr_init				     *
  *===========================================================================*/
@@ -43,8 +33,6 @@ PUBLIC int intr_init(const int mine, const int auto_eoi)
  * use the BIOS locations instead.  The flag "mine" is set if the 8259s are
  * to be programmed for MINIX, or to be reset to what the BIOS expects.
  */
-  if (!intr_disabled())
-	  intr_disable();
 
       /* The AT and newer PS/2 have two interrupt controllers, one master,
        * one slaved at IRQ 2.  (We don't have to deal with the PC that
diff --git a/kernel/profile.c b/kernel/profile.c
index 84ec551ba..121f60533 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -40,16 +40,12 @@ PUBLIC void init_profile_clock(u32_t freq)
 {
   int irq;
 
-  intr_disable();
-
   if((irq = arch_init_profile_clock(freq)) >= 0) {
 	/* Register interrupt handler for statistical system profiling.  */
 	profile_clock_hook.proc_nr_e = CLOCK;
 	put_irq_handler(&profile_clock_hook, irq, profile_clock_handler);
 	enable_irq(&profile_clock_hook);
   }
-
-  intr_enable();
 }
 
 /*===========================================================================*
@@ -57,9 +53,7 @@ PUBLIC void init_profile_clock(u32_t freq)
  *===========================================================================*/
 PUBLIC void stop_profile_clock()
 {
-  intr_disable();
   arch_stop_profile_clock();
-  intr_enable();
 
   /* Unregister interrupt handler. */
   disable_irq(&profile_clock_hook);