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authorChristoph Hellwig <hch@lst.de>2010-03-10 15:21:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 15:52:32 -0800
commite28cbf22933d0c0ccaf3c4c27a1a263b41f73859 (patch)
treea93ff48cfd97766a23b2c4f3ea86fccfc9c51d3f /arch/s390/include
parentAdd generic sys_ipc wrapper (diff)
downloadlinux-dev-e28cbf22933d0c0ccaf3c4c27a1a263b41f73859.tar.xz
linux-dev-e28cbf22933d0c0ccaf3c4c27a1a263b41f73859.zip
improve sys_newuname() for compat architectures
On an architecture that supports 32-bit compat we need to override the reported machine in uname with the 32-bit value. Instead of doing this separately in every architecture introduce a COMPAT_UTS_MACHINE define in <asm/compat.h> and apply it directly in sys_newuname(). Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: James Morris <jmorris@namei.org> Cc: Andreas Schwab <schwab@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/compat.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 01a08020bc0e..104f2007f097 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -35,7 +35,8 @@
extern long psw32_user_bits;
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ 100
+#define COMPAT_UTS_MACHINE "s390\0\0\0\0"
typedef u32 compat_size_t;
typedef s32 compat_ssize_t;