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add speculation control prctls from linux v4.17

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PR_{SET,GET}_SPECULATION_CTRL controls speculation related vulnerability
mitigations, new in commits
b617cfc858161140d69cc0b5cc211996b557a1c7
356e4bfff2c5489e016fdb925adbf12a1e3950ee
This commit is contained in:
Szabolcs Nagy 2018-06-09 21:23:54 +00:00 committed by Rich Felker
parent 5b85ed5cec
commit da9f2b2ac8
1 changed files with 9 additions and 0 deletions
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9
include/sys/prctl.h
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@ -136,6 +136,15 @@ struct prctl_mm_map {
#define PR_SVE_VL_LEN_MASK 0xffff
#define PR_SVE_VL_INHERIT (1 << 17)
#define PR_GET_SPECULATION_CTRL 52
#define PR_SET_SPECULATION_CTRL 53
#define PR_SPEC_STORE_BYPASS 0
#define PR_SPEC_NOT_AFFECTED 0
#define PR_SPEC_PRCTL (1UL << 0)
#define PR_SPEC_ENABLE (1UL << 1)
#define PR_SPEC_DISABLE (1UL << 2)
#define PR_SPEC_FORCE_DISABLE (1UL << 3)
int prctl (int, ...);
#ifdef __cplusplus