kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

arm64: Remove unused assembly macro

Browse source 
As of commit 4141c857fd ("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>
This commit is contained in:
Julien Thierry 2019-07-04 14:44:04 +01:00 committed by Will Deacon
parent e21a712a96
commit c87857945b
1 changed files with 0 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
arch/arm64/include/asm/assembler.h
View file

@ -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
*/