From 575015d2b023e5707293830186581f03c33aa90a Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Fri, 19 Jun 2015 10:27:26 +0200
Subject: kernel: do not pull in atom.s from libc for arm kernels

- provide our own copy of cas() in l.s
- replace use of libc ainc()/adec() with portable incref()/decref()
---
 sys/src/9/omap/arch.c | 26 --------------------------
 sys/src/9/omap/mmu.c  |  4 ++--
 2 files changed, 2 insertions(+), 28 deletions(-)

(limited to 'sys/src/9/omap')

diff --git a/sys/src/9/omap/arch.c b/sys/src/9/omap/arch.c
index a96904dee..007c18b01 100644
--- a/sys/src/9/omap/arch.c
+++ b/sys/src/9/omap/arch.c
@@ -174,32 +174,6 @@ userureg(Ureg* ureg)
 	return (ureg->psr & PsrMask) == PsrMusr;
 }
 
-/*
- * atomic ops
- * make sure that we don't drag in the C library versions
- */
-int
-ainc(int *p)
-{
-	int s, v;
-
-	s = splhi();
-	v = ++*p;
-	splx(s);
-	return v;
-}
-
-int
-adec(int *p)
-{
-	int s, v;
-
-	s = splhi();
-	v = --*p;
-	splx(s);
-	return v;
-}
-
 int
 cas32(void* addr, u32int old, u32int new)
 {
diff --git a/sys/src/9/omap/mmu.c b/sys/src/9/omap/mmu.c
index f54359ff6..bc92b0680 100644
--- a/sys/src/9/omap/mmu.c
+++ b/sys/src/9/omap/mmu.c
@@ -246,8 +246,8 @@ mmurelease(Proc* proc)
 			panic("mmurelease: page->ref %d", page->ref);
 		pagechainhead(page);
 	}
-	if(proc->mmul2cache && palloc.r.p)
-		wakeup(&palloc.r);
+	if(proc->mmul2cache != nil)
+		pagechaindone();
 	proc->mmul2cache = nil;
 
 	mmul1empty();
-- 
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