linux-kernel - [PATCH] powerpc/spufs: add CONFIG

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Date:   Mon,  6 Jul 2020 15:22:46 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Arnd Bergmann <arnd@...db.de>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Christoph Hellwig <hch@....de>, Jeremy Kerr <jk@...abs.org>,
        kernel test robot <lkp@...el.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] powerpc/spufs: add CONFIG_COREDUMP dependency

The kernel test robot pointed out a slightly different error message
after recent commit 5456ffdee666 ("powerpc/spufs: simplify spufs core
dumping") to spufs for a configuration that never worked:

   powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.o: in function `.spufs_proxydma_info_dump':
>> file.c:(.text+0x4c68): undefined reference to `.dump_emit'
   powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.o: in function `.spufs_dma_info_dump':
   file.c:(.text+0x4d70): undefined reference to `.dump_emit'
   powerpc64-linux-ld: arch/powerpc/platforms/cell/spufs/file.o: in function `.spufs_wbox_info_dump':
   file.c:(.text+0x4df4): undefined reference to `.dump_emit'

Add a Kconfig dependency to prevent this from happening again.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/powerpc/platforms/cell/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 0f7c8241912b..f2ff359041ee 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -44,6 +44,7 @@ config SPU_FS
 	tristate "SPU file system"
 	default m
 	depends on PPC_CELL
+	depends on COREDUMP
 	select SPU_BASE
 	help
 	  The SPU file system is used to access Synergistic Processing
-- 
2.27.0