2 files changed, 3 insertions, 5 deletions

diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 80cf20cfaee1..898562ebe94c 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -101,7 +101,7 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
  * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work)
  * XXX WTF is the above comment? Found in late teen 2.4.x.
  */
-#define prepare_arch_switch(rq, next) do { \
+#define prepare_arch_switch(next) do { \
         __asm__ __volatile__( \
         ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \
         "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \
@@ -109,8 +109,6 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
         "save %sp, -0x40, %sp\n\t" \
         "restore; restore; restore; restore; restore; restore; restore"); \
 } while(0)
-#define finish_arch_switch(rq, next)    spin_unlock_irq(&(rq)->lock)
-#define task_running(rq, p)             ((rq)->curr == (p))
 
         /* Much care has gone into this code, do not touch it.
          *
diff --git a/include/asm-sparc/thread_info.h b/include/asm-sparc/thread_info.h
index 104f03c55416..ff6ccb3d24c6 100644
--- a/include/asm-sparc/thread_info.h
+++ b/include/asm-sparc/thread_info.h
@@ -30,9 +30,9 @@ struct thread_info {
         struct task_struct      *task;          /* main task structure */
         struct exec_domain      *exec_domain;   /* execution domain */
         unsigned long           flags;          /* low level flags */
-
         int                     cpu;            /* cpu we're on */
-        int                     preempt_count;
+        int                     preempt_count;  /* 0 => preemptable,
+                                                   <0 => BUG */
         int                     softirq_count;
         int                     hardirq_count;