---

yaml --- r: 162673 b: refs/heads/master c: b9c7eb4 h: refs/heads/master i: 162671: 21c6c68 v: v3
git-mirror · Sep 17, 2009 · 1fb7c81 · 1fb7c81
1 parent 131c886
commit 1fb7c81
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Showing 4 changed files with 23 additions and 34 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d8ca63955a81fd443016ef8813f8e6fd8dea7de4
+refs/heads/master: b9c7eb498ddce1f77536707398b6175696570e80
diff --git a/trunk/arch/blackfin/include/asm/ipipe.h b/trunk/arch/blackfin/include/asm/ipipe.h
@@ -145,10 +145,6 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs);
 
 int __ipipe_get_irq_priority(unsigned irq);
 
-void __ipipe_stall_root_raw(void);
-
-void __ipipe_unstall_root_raw(void);
-
 void __ipipe_serial_debug(const char *fmt, ...);
 
 asmlinkage void __ipipe_call_irqtail(unsigned long addr);
@@ -234,9 +230,6 @@ int ipipe_start_irq_thread(unsigned irq, struct irq_desc *desc);
 #define task_hijacked(p)		0
 #define ipipe_trap_notify(t, r)  	0
 
-#define __ipipe_stall_root_raw()	do { } while (0)
-#define __ipipe_unstall_root_raw()	do { } while (0)
-
 #define ipipe_init_irq_threads()		do { } while (0)
 #define ipipe_start_irq_thread(irq, desc)	0
 

diff --git a/trunk/arch/blackfin/kernel/ipipe.c b/trunk/arch/blackfin/kernel/ipipe.c
@@ -191,30 +191,6 @@ void __ipipe_disable_irqdesc(struct ipipe_domain *ipd, unsigned irq)
 }
 EXPORT_SYMBOL(__ipipe_disable_irqdesc);
 
-void __ipipe_stall_root_raw(void)
-{
-	/*
-	 * This code is called by the ins{bwl} routines (see
-	 * arch/blackfin/lib/ins.S), which are heavily used by the
-	 * network stack. It masks all interrupts but those handled by
-	 * non-root domains, so that we keep decent network transfer
-	 * rates for Linux without inducing pathological jitter for
-	 * the real-time domain.
-	 */
-	__asm__ __volatile__ ("sti %0;" : : "d"(__ipipe_irq_lvmask));
-
-	__set_bit(IPIPE_STALL_FLAG,
-		  &ipipe_root_cpudom_var(status));
-}
-
-void __ipipe_unstall_root_raw(void)
-{
-	__clear_bit(IPIPE_STALL_FLAG,
-		    &ipipe_root_cpudom_var(status));
-
-	__asm__ __volatile__ ("sti %0;" : : "d"(bfin_irq_flags));
-}
-
 int __ipipe_syscall_root(struct pt_regs *regs)
 {
 	struct ipipe_percpu_domain_data *p;
@@ -344,3 +320,23 @@ void ___ipipe_sync_pipeline(unsigned long syncmask)
 
 	__ipipe_sync_stage(syncmask);
 }
+
+void __ipipe_disable_root_irqs_hw(void)
+{
+	/*
+	 * This code is called by the ins{bwl} routines (see
+	 * arch/blackfin/lib/ins.S), which are heavily used by the
+	 * network stack. It masks all interrupts but those handled by
+	 * non-root domains, so that we keep decent network transfer
+	 * rates for Linux without inducing pathological jitter for
+	 * the real-time domain.
+	 */
+	bfin_sti(__ipipe_irq_lvmask);
+	__set_bit(IPIPE_STALL_FLAG, &ipipe_root_cpudom_var(status));
+}
+
+void __ipipe_enable_root_irqs_hw(void)
+{
+	__clear_bit(IPIPE_STALL_FLAG, &ipipe_root_cpudom_var(status));
+	bfin_sti(bfin_irq_flags);
+}
diff --git a/trunk/arch/blackfin/lib/ins.S b/trunk/arch/blackfin/lib/ins.S
@@ -16,7 +16,7 @@
 	[--sp] = rets; \
 	[--sp] = (P5:0); \
 	sp += -12; \
-	call ___ipipe_stall_root_raw; \
+	call ___ipipe_disable_root_irqs_hw; \
 	sp += 12; \
 	(P5:0) = [sp++];
 # define CLI_INNER_NOP
@@ -28,7 +28,7 @@
 #ifdef CONFIG_IPIPE
 # define DO_STI \
 	sp += -12; \
-	call ___ipipe_unstall_root_raw; \
+	call ___ipipe_enable_root_irqs_hw; \
 	sp += 12; \
 2:	rets = [sp++];
 #else