openwrt-owl/target/linux/leon/patches/003-smp_cpu_stuck_fix.patch

24 lines
850 B
Diff

From 417bc6751fdd3c24df274f25e020ec3decd09280 Mon Sep 17 00:00:00 2001
From: Daniel Hellstrom <daniel@gaisler.com>
Date: Thu, 16 Sep 2010 11:00:46 +0200
Subject: [PATCH] Fixed SPARC/LEON SMP CPU Stuck problem.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
---
arch/sparc/kernel/leon_smp.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -56,8 +56,8 @@ void __init leon_configure_cache_smp(voi
static inline unsigned long do_swap(volatile unsigned long *ptr,
unsigned long val)
{
- __asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
- : "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
+ __asm__ __volatile__("swapa [%2] %3, %0\n\t" : "=&r"(val)
+ : "0"(val), "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
: "memory");
return val;
}