linux-kernel - [PATCH] sparc, exec: remove redundant addr

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Date:	Fri, 10 Jun 2011 15:10:53 +0200
From:	Mathias Krause <minipli@...glemail.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mathias Krause <minipli@...glemail.com>
Subject: [PATCH] sparc, exec: remove redundant addr_limit assignment

The address limit is already set in flush_old_exec() so this
assignment of USER_DS is redundant.

Signed-off-by: Mathias Krause <minipli@...glemail.com>
---
 arch/sparc/kernel/process_32.c |    3 +--
 arch/sparc/kernel/process_64.c |    3 ---
 2 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index c8cc461..f793742 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -380,8 +380,7 @@ void flush_thread(void)
 #endif
 	}
 
-	/* Now, this task is no longer a kernel thread. */
-	current->thread.current_ds = USER_DS;
+	/* This task is no longer a kernel thread. */
 	if (current->thread.flags & SPARC_FLAG_KTHREAD) {
 		current->thread.flags &= ~SPARC_FLAG_KTHREAD;
 
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index c158a95..d959cd0 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -368,9 +368,6 @@ void flush_thread(void)
 
 	/* Clear FPU register state. */
 	t->fpsaved[0] = 0;
-	
-	if (get_thread_current_ds() != ASI_AIUS)
-		set_fs(USER_DS);
 }
 
 /* It's a bit more tricky when 64-bit tasks are involved... */
-- 
1.5.6.5

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