From: Wu Zhangjin <wuzhangjin@gmail.com>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: Wu Zhangjin <wuzhangjin@gmail.com>,
linux-mips <linux-mips@linux-mips.org>
Subject: [PATCH v5 3/4] Loongson-2F: Flush the branch target history in BTB and RAS (cont.)
Date: Sat, 10 Apr 2010 20:07:01 +0800 [thread overview]
Message-ID: <1270901221.14758.8.camel@falcon> (raw)
In-Reply-To: <cover.1270882402.git.wuzhangjin@gmail.com>
In-Reply-To: <cover.1270882402.git.wuzhangjin@gmail.com>
From: Wu Zhangjin <wuzhangjin@gmail.com>
This patch uses the new option CONFIG_CPU_JUMP_WORKAROUNDS introduced
from "Loongson: Add CPU_LOONGSON2F_WORKAROUNDS" to enable the
workarounds for the necessary loongson series(2F01/02).
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
---
arch/mips/include/asm/stackframe.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index c841912..58730c5 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -121,7 +121,7 @@
.endm
#else
.macro get_saved_sp /* Uniprocessor variation */
-#ifdef CONFIG_CPU_LOONGSON2F
+#ifdef CONFIG_CPU_JUMP_WORKAROUNDS
/*
* Clear BTB (branch target buffer), forbid RAS (return address
* stack) to workaround the Out-of-order Issue in Loongson2F
--
1.7.0.1
next prev parent reply other threads:[~2010-04-10 12:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1270882402.git.wuzhangjin@gmail.com>
2010-04-10 12:04 ` [PATCH v5 1/4] Loongson: Add CPU_LOONGSON2F_WORKAROUNDS Wu Zhangjin
2010-04-29 21:45 ` Ralf Baechle
2010-04-10 12:05 ` [PATCH v5 2/4] Loongson-2F: Enable fixups of the latest binutils Wu Zhangjin
2010-04-29 21:58 ` Ralf Baechle
2010-04-10 12:05 ` [PATCH v5 1/4] Loongson: Add CPU_LOONGSON2F_WORKAROUNDS Wu Zhangjin
2010-04-29 21:32 ` Ralf Baechle
2010-04-10 12:07 ` Wu Zhangjin [this message]
2010-04-29 22:12 ` [PATCH v5 3/4] Loongson-2F: Flush the branch target history in BTB and RAS (cont.) Ralf Baechle
2010-04-10 12:07 ` [PATCH v5 4/4] Loongson-2F: Fixup of problems introduced by -mfix-loongson2f-jump Wu Zhangjin
2010-04-29 22:24 ` Ralf Baechle
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