linux-kernel - [PATCH 17/23] make section names compatible with -ffunction-sections -fdata-sections: s390

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Message-Id: <200807020240.33271.vda.linux@googlemail.com>
Date:	Wed, 2 Jul 2008 02:40:33 +0200
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	linux-arch@...r.kernel.org
Cc:	Russell King <rmk@....linux.org.uk>,
	David Howells <dhowells@...hat.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Lennert Buytenhek <kernel@...tstofly.org>,
	Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	linux-embedded@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tim Bird <tim.bird@...sony.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Dave Miller <davem@...emloft.net>
Subject: [PATCH 17/23] make section names compatible with -ffunction-sections -fdata-sections: s390

The purpose of this patch is to make kernel buildable
with "gcc -ffunction-sections -fdata-sections".
This patch fixes s390 architecture.

Signed-off-by: Denys Vlasenko <vda.linux@...glemail.com>
--
vda


--- 0.org/arch/s390/kernel/head.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/s390/kernel/head.S	Wed Jul  2 00:44:22 2008
@@ -35,7 +35,7 @@
 #define ARCH_OFFSET	0
 #endif
 
-.section ".text.head","ax"
+.section ".head.text","ax"
 #ifndef CONFIG_IPL
 	.org   0
 	.long  0x00080000,0x80000000+startup	# Just a restart PSW
--- 0.org/arch/s390/kernel/init_task.c	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/s390/kernel/init_task.c	Wed Jul  2 00:45:57 2008
@@ -31,7 +31,7 @@
  * "init_task" linker map entry..
  */
 union thread_union init_thread_union 
-	__attribute__((__section__(".data.init_task"))) =
+	__attribute__((__section__(".init_task.data"))) =
 		{ INIT_THREAD_INFO(init_task) };
 
 /*
--- 0.org/arch/s390/kernel/vmlinux.lds.S	Wed Jul  2 00:40:42 2008
+++ 1.fixname/arch/s390/kernel/vmlinux.lds.S	Wed Jul  2 00:46:32 2008
@@ -28,7 +28,7 @@
 	. = 0x00000000;
 	.text : {
 	_text = .;		/* Text and read-only data */
-		*(.text.head)
+		*(.head.text)
 	TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT
@@ -66,30 +66,30 @@
 	. = ALIGN(PAGE_SIZE);
 	.data_nosave : {
 	__nosave_begin = .;
-		*(.data.nosave)
+		*(.nosave.data)
 	}
 	. = ALIGN(PAGE_SIZE);
 	__nosave_end = .;
 
 	. = ALIGN(PAGE_SIZE);
-	.data.page_aligned : {
-		*(.data.idt)
+	.page_aligned.data : {
+		*(.idt.data)
 	}
 
 	. = ALIGN(0x100);
-	.data.cacheline_aligned : {
-		*(.data.cacheline_aligned)
+	.cacheline_aligned.data : {
+		*(.cacheline_aligned.data)
 	}
 
 	. = ALIGN(0x100);
-	.data.read_mostly : {
-		*(.data.read_mostly)
+	.read_mostly.data : {
+		*(.read_mostly.data)
 	}
 	_edata = .;		/* End of data section */
 
 	. = ALIGN(2 * PAGE_SIZE);	/* init_task */
-	.data.init_task : {
-		*(.data.init_task)
+	.init_task.data : {
+		*(.init_task.data)
 	}
 
 	/* will be freed after init */
--- 0.org/include/asm-s390/cache.h	Wed Jul  2 00:40:50 2008
+++ 1.fixname/include/asm-s390/cache.h	Wed Jul  2 00:45:45 2008
@@ -14,6 +14,6 @@
 #define L1_CACHE_BYTES     256
 #define L1_CACHE_SHIFT     8
 
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __read_mostly __attribute__((__section__(".read_mostly.data")))
 
 #endif
--
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