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arm64: Scalable Vector Extension (SVE) support.

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Change-Id: I3568687913f583edfaa297d5cf5ac91d319d97e9
This commit is contained in:
Shiratori, Takehiro
2019-02-21 11:29:33 +09:00
committed by Masamichi Takagi
parent dac99f708c
commit 07aa96ef95
15 changed files with 490 additions and 223 deletions
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7
arch/arm64/kernel/syscall.c
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@ -1,4 +1,4 @@
/* syscall.c COPYRIGHT FUJITSU LIMITED 2015-2018 */
/* syscall.c COPYRIGHT FUJITSU LIMITED 2015-2019 */
#include <cpulocal.h>
#include <string.h>
#include <kmalloc.h>
@ -178,11 +178,10 @@ SYSCALL_DECLARE(prctl)
switch (option) {
case PR_SVE_SET_VL:
error = SVE_SET_VL(cpu_local_var(current),
ihk_mc_syscall_arg1(ctx), ihk_mc_syscall_arg2(ctx));
error = SVE_SET_VL(ihk_mc_syscall_arg1(ctx));
break;
case PR_SVE_GET_VL:
error = SVE_GET_VL(cpu_local_var(current));
error = SVE_GET_VL();
break;
case PR_SET_THP_DISABLE:
if (arg3 || arg4 || arg5) {