From: Eric Biggers <ebiggers@google.com>
Date: Thu, 9 Mar 2017 00:27:04 +0000 (-0800)
Subject: arm64: support keyctl() system call in 32-bit mode
X-Git-Tag: v4.9.167~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cc2852a67b4066db41c71e64f0a1b3b9401a9b6e;p=thirdparty%2Fkernel%2Fstable.git

arm64: support keyctl() system call in 32-bit mode

[ Upstream commit 5c2a625937ba49bc691089370638223d310cda9a ]

As is the case for a number of other architectures that have a 32-bit
compat mode, enable KEYS_COMPAT if both COMPAT and KEYS are enabled.
This allows AArch32 programs to use the keyctl() system call when
running on an AArch64 kernel.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 3e43874568f9c..2eb8ae1b2d03f 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1079,6 +1079,10 @@ config SYSVIPC_COMPAT
 	def_bool y
 	depends on COMPAT && SYSVIPC
 
+config KEYS_COMPAT
+	def_bool y
+	depends on COMPAT && KEYS
+
 endmenu
 
 menu "Power management options"