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From: Kevin Hao <haokexin@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Scott Wood <scottwood@freescale.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Subject: [PATCH v2 1/3] powerpc32: booke: fix the build error when CRASH_DUMP is enabled
Date: Wed, 13 Jul 2016 09:14:38 +0800	[thread overview]
Message-ID: <1468372480-6453-2-git-send-email-haokexin@gmail.com> (raw)
In-Reply-To: <1468372480-6453-1-git-send-email-haokexin@gmail.com>

In the current code, the RELOCATABLE will be forcedly enabled when
enabling CRASH_DUMP. But for ppc32, the RELOCABLE also depend on
ADVANCED_OPTIONS and select NONSTATIC_KERNEL. This will cause the
following build error when CRASH_DUMP=y && ADVANCED_OPTIONS=n
because the select of NONSTATIC_KERNEL doesn't take effect.
  arch/powerpc/include/asm/io.h: In function 'virt_to_phys':
  arch/powerpc/include/asm/page.h:113:26: error: 'virt_phys_offset' undeclared (first use in this function)
   #define VIRT_PHYS_OFFSET virt_phys_offset
                          ^
It doesn't have any strong reasons to make the RELOCATABLE depend on
ADVANCED_OPTIONS. So remove this dependency to fix this issue.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 0a4cea451cf2..cb7910b9f10f 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -952,7 +952,7 @@ config DYNAMIC_MEMSTART
 
 config RELOCATABLE
 	bool "Build a relocatable kernel"
-	depends on ADVANCED_OPTIONS && FLATMEM && (44x || FSL_BOOKE)
+	depends on FLATMEM && (44x || FSL_BOOKE)
 	select NONSTATIC_KERNEL
 	help
 	  This builds a kernel image that is capable of running at the
-- 
2.8.1

  reply	other threads:[~2016-07-13  1:15 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-13  1:14 [PATCH v2 0/3] powerpc: tweak the kernel options for CRASH_DUMP and RELOCATABLE Kevin Hao
2016-07-13  1:14 ` Kevin Hao [this message]
2016-07-20  9:10   ` [v2, 1/3] powerpc32: booke: fix the build error when CRASH_DUMP is enabled Michael Ellerman
2016-07-13  1:14 ` [PATCH v2 2/3] powerpc: merge the RELOCATABLE config entries for ppc32 and ppc64 Kevin Hao
2016-07-13  1:14 ` [PATCH v2 3/3] powerpc32: kill RELOCATABLE_PPC32 Kevin Hao

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