Commit c8785794 authored Jul 04, 2019 by Julien Thierry Committed by Will Deacon Aug 05, 2019

arm64: Remove unused assembly macro



As of commit 4141c857 ("arm64: convert
raw syscall invocation to C"), moving syscall handling from assembly to
C, the macro mask_nospec64 is no longer referenced.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>

parent e21a712a

arch/arm64/include/asm/assembler.h

+0 −11

Original line number	Diff line number	Diff line
		@@ -123,17 +123,6 @@ alternative_else
		alternative_endif
		.endm

		/*
		* Sanitise a 64-bit bounded index wrt speculation, returning zero if out
		* of bounds.
		*/
		.macro mask_nospec64, idx, limit, tmp
		sub \tmp, \idx, \limit
		bic \tmp, \tmp, \idx
		and \idx, \idx, \tmp, asr #63
		csdb
		.endm

		/*
		* NOP sequence
		*/

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