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(parent: c225feb) | patch
s390: add optimized array_index_mask_nospec
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 27 Apr 2018 05:36:43 +0000 (07:36 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 29 Apr 2018 09:31:58 +0000 (11:31 +0200)
commit2dcf46aa49acc4c432ebefe3d4d413f428adc120
tree4a96b5b9b17258d7dc016fe52143750c0aa59ff3tree | snapshot
parentc225febe980f6f112fc0bfce58148d8b390d4cbfcommit | diff
s390: add optimized array_index_mask_nospec

[ Upstream commit e2dd833389cc4069a96b57bdd24227b5f52288f5 ]

Add an optimized version of the array_index_mask_nospec function for
s390 based on a compare and a subtract with borrow.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/s390/include/asm/barrier.h diff | blob | history
Domain: System / Kernel;