[PATCH] arm64: introduce AUDIT_ARCH_AARCH64ILP32 for ilp32

[Yuri Norov <ynorov@marvell.com>]

Make syscall_get_arch() distinguish arm64 and arm64/ilp32 by adding
AUDIT_ARCH_AARCH64ILP32.

Sugested-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Yury Norov <ynorov@marvell.com>
---
 arch/arm64/include/asm/syscall.h | 3 +++
 include/uapi/linux/audit.h       | 1 +
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h
index 73fbe08763b0..77578d703cb1 100644
--- a/arch/arm64/include/asm/syscall.h
+++ b/arch/arm64/include/asm/syscall.h
@@ -126,6 +126,9 @@ static inline int syscall_get_arch(void)
 	if (is_a32_compat_task())
 		return AUDIT_ARCH_ARM;
 
+	if (is_ilp32_compat_task())
+		return AUDIT_ARCH_AARCH64ILP32;
+
 	return AUDIT_ARCH_AARCH64;
 }
 
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 818ae690ab79..624127147404 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -374,6 +374,7 @@ enum {
 #define __AUDIT_ARCH_LE	   0x40000000
 
 #define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_AARCH64ILP32	(EM_AARCH64|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARMEB	(EM_ARM)
-- 
2.17.1