Commit 4cce6040 authored May 14, 2014 by Stepan Moskovchenko Committed by Matt Wagantall May 30, 2015

arm64: Enable handling of CP15 barrier operations



Some legacy userspace application may rely on CP15 barrier
instructions to handle barrier operations. Set the CP15BEN
bit in SCTLR_EL1 to enable support for these instructions.

Change-Id: I293e3477b65d96f09ec5a289b73502b6a667307c
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>

parent e89ce1b0

arch/arm64/mm/proc.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -253,5 +253,5 @@ ENDPROC(__cpu_setup)
		*/
		.type crval, #object
		crval:
		.word 0x000802e2 // clear
		.word 0x0405d11d // set
		.word 0x000802c2 // clear
		.word 0x0405d13d // set