[PATCH 6.0 214/862] ARM: 9243/1: riscpc: Unbreak the build

[PATCH 6.0 214/862] ARM: 9243/1: riscpc: Unbreak the build

[Greg Kroah-Hartman]

From: Bart Van Assche <bvanassche@acm.org>

[ Upstream commit 32844a8eecaa4a3e65841c53e43e04a9087d1ef6 ]

This patch fixes the following build error:

In file included from ./include/linux/io.h:13,
                 from ./arch/arm/mach-rpc/include/mach/uncompress.h:9,
                 from arch/arm/boot/compressed/misc.c:31:
./arch/arm/include/asm/io.h:85:22: error: conflicting types for ‘__raw_writeb’
   85 | #define __raw_writeb __raw_writeb
      |                      ^~~~~~~~~~~~
./arch/arm/include/asm/io.h:86:20: note: in expansion of macro ‘__raw_writeb’
   86 | static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
      |                    ^~~~~~~~~~~~
In file included from arch/arm/boot/compressed/misc.c:26:
arch/arm/boot/compressed/misc-ep93xx.h:13:20: note: previous definition of ‘__raw_writeb’ was here
   13 | static inline void __raw_writeb(unsigned char value, unsigned int ptr)
      |                    ^~~~~~~~~~~~

To: Russell King <linux@armlinux.org.uk>

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Fixes: 0361c7e504b1 ("ARM: ep93xx: multiplatform support")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/compressed/misc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index cb2e069dc73f..abfed1aa2baa 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -23,7 +23,9 @@ unsigned int __machine_arch_type;
 #include <linux/types.h>
 #include <linux/linkage.h>
 #include "misc.h"
+#ifdef CONFIG_ARCH_EP93XX
 #include "misc-ep93xx.h"
+#endif
 
 static void putstr(const char *ptr);
 
-- 
2.35.1




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[PATCH 6.0 674/862] ARM: decompressor: Include .data.rel.ro.local

[Greg Kroah-Hartman]

From: Kees Cook <keescook@chromium.org>

[ Upstream commit 1b64daf413acd86c2c13f5443f6b4ef3690c8061 ]

The .data.rel.ro.local section has the same semantics as .data.rel.ro
here, so include it in the .rodata section of the decompressor.
Additionally since the .printk_index section isn't usable outside of
the core kernel, discard it in the decompressor. Avoids these warnings:

arm-linux-gnueabi-ld: warning: orphan section `.data.rel.ro.local' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.data.rel.ro.local'
arm-linux-gnueabi-ld: warning: orphan section `.printk_index' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.printk_index'

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/linux-mm/202209080545.qMIVj7YM-lkp@intel.com
Cc: Russell King <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/compressed/vmlinux.lds.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index 1bcb68ac4b01..3fcb3e62dc56 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -23,6 +23,7 @@ SECTIONS
     *(.ARM.extab*)
     *(.note.*)
     *(.rel.*)
+    *(.printk_index)
     /*
      * Discard any r/w data - this produces a link error if we have any,
      * which is required for PIC decompression.  Local data generates
@@ -57,6 +58,7 @@ SECTIONS
     *(.rodata)
     *(.rodata.*)
     *(.data.rel.ro)
+    *(.data.rel.ro.*)
   }
   .piggydata : {
     *(.piggydata)
-- 
2.35.1




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