linux-kernel - [PATCH 1/2] alpha: use .data.init_task instead of .data.init

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Message-Id: <1249073786-29788-1-git-send-email-tabbott@ksplice.com>
Date:	Fri, 31 Jul 2009 16:56:25 -0400
From:	Tim Abbott <tabbott@...lice.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Anders Kaseorg <andersk@...lice.com>,
	Nelson Elhage <nelhage@...lice.com>,
	Tim Abbott <tabbott@...lice.com>,
	Richard Henderson <rth@...ddle.net>,
	linux-alpha@...r.kernel.org
Subject: [PATCH 1/2] alpha: use .data.init_task instead of .data.init_thread.

alpha is the only architecture that uses the section name
.data.init_thread instead of .data.init_task.  So convert alpha to use
.data.init_task like everything else.

.data.init_task does not need a separate output section; this change
also moves it into the .data output section.

Signed-off-by: Tim Abbott <tabbott@...lice.com>
Cc: Richard Henderson <rth@...ddle.net>
Cc: linux-alpha@...r.kernel.org
---
 arch/alpha/kernel/init_task.c   |    5 ++---
 arch/alpha/kernel/vmlinux.lds.S |    7 ++-----
 2 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/arch/alpha/kernel/init_task.c b/arch/alpha/kernel/init_task.c
index 19b8632..6f80ca4 100644
--- a/arch/alpha/kernel/init_task.c
+++ b/arch/alpha/kernel/init_task.c
@@ -13,6 +13,5 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
 struct task_struct init_task = INIT_TASK(init_task);
 EXPORT_SYMBOL(init_task);
 
-union thread_union init_thread_union
-	__attribute__((section(".data.init_thread")))
-	= { INIT_THREAD_INFO(init_task) };
+union thread_union init_thread_union __init_task_data =
+	{ INIT_THREAD_INFO(init_task) };
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index b9d6568..a4bb75e 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -1,5 +1,6 @@
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/page.h>
+#include <asm/thread_info.h>
 
 OUTPUT_FORMAT("elf64-alpha")
 OUTPUT_ARCH(alpha)
@@ -92,11 +93,6 @@ SECTIONS
 	__init_end = .;
 	/* Freed after init ends here */
 
-	/* Note 2 page alignment above.  */
-	.data.init_thread : {
-		*(.data.init_thread)
-	}
-
 	. = ALIGN(PAGE_SIZE);
 	.data.page_aligned : {
 		*(.data.page_aligned)
@@ -110,6 +106,7 @@ SECTIONS
 	_data = .;
 	/* Data */
 	.data : {
+		INIT_TASK_DATA(THREAD_SIZE)
 		DATA_DATA
 		CONSTRUCTORS
 	}
-- 
1.6.3.3

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