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[PATCH v3 6/7] arm64: Add a wrapper for personality() syscall

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In order to prevent setting PER_LINUX32 on systems without
32bit EL0 support, add a wrapper for personality() syscall.

Tested-by: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
 arch/arm64/kernel/sys.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c
index 75151aa..817d860 100644
--- a/arch/arm64/kernel/sys.c
+++ b/arch/arm64/kernel/sys.c
@@ -36,11 +36,17 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
 	return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
 }
 
+SYSCALL_DEFINE1(arm64_personality, unsigned int, personality)
+{
+	return sys_personality(personality);
+}
+
 /*
  * Wrappers to pass the pt_regs argument.
  */
 asmlinkage long sys_rt_sigreturn_wrapper(void);
 #define sys_rt_sigreturn	sys_rt_sigreturn_wrapper
+#define sys_personality		sys_arm64_personality
 
 #undef __SYSCALL
 #define __SYSCALL(nr, sym)	[nr] = sym,
-- 
1.7.9.5

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[PATCH v3 0/7] arm64: Support for systems without AArch32 state Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-03-31 19:30 +0200
  [PATCH v3 7/7] arm64: compat: Check for AArch32 state Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-03-31 19:30 +0200
  [PATCH v3 6/7] arm64: Add a wrapper for personality() syscall Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-03-31 19:30 +0200
  [PATCH v3 1/7] arm64: hwcaps: Cleanup naming Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-03-31 19:30 +0200
  [PATCH v3 3/7] arm64: Add helpers for detecting AArch32 support at EL0 Suzuki K Poulose <suzuki.poulose@arm.com> - 2016-03-31 19:30 +0200

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