From: Stefan Agner <stefan@agner.ch>
To: catalin.marinas@arm.com, will@kernel.org
Cc: Stefan Agner <stefan.agner@toradex.com>,
linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch>,
olof@lixom.net, shawnguo@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: defconfig: enable deprecated ARMv8 instructions emulation
Date: Thu, 8 Aug 2019 10:00:04 +0200 [thread overview]
Message-ID: <20190808080004.20984-1-stefan@agner.ch> (raw)
Enable deprecated/obsolete ARMv8 instructions emulation. This allows
to run ARMv6 binaries (e.g. Raspberry Pi) on ARMv8 machines.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
---
arch/arm64/configs/defconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 0e58ef02880c..fd5af5582dda 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -68,6 +68,10 @@ CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
CONFIG_XEN=y
CONFIG_COMPAT=y
+CONFIG_ARMV8_DEPRECATED=y
+CONFIG_SWP_EMULATION=y
+CONFIG_CP15_BARRIER_EMULATION=y
+CONFIG_SETEND_EMULATION=y
CONFIG_RANDOMIZE_BASE=y
CONFIG_HIBERNATION=y
CONFIG_WQ_POWER_EFFICIENT_DEFAULT=y
--
2.22.0
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reply other threads:[~2019-08-08 8:00 UTC|newest]
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