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sys/prctl.h: add PR_SPEC_DISABLE_NOEXEC from linux v5.1

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allows specifying that the speculative store bypass disable bit should
be cleared on exec. see

  linux commit 71368af9027f18fe5d1c6f372cfdff7e4bde8b48
  x86/speculation: Add PR_SPEC_DISABLE_NOEXEC
This commit is contained in:
Szabolcs Nagy 2019-05-09 18:59:51 +00:00 committed by Rich Felker
parent 9e8dd1c7f1
commit c7081edcf8
1 changed files with 1 additions and 0 deletions
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include/sys/prctl.h
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@ -145,6 +145,7 @@ struct prctl_mm_map {
#define PR_SPEC_ENABLE (1UL << 1)
#define PR_SPEC_DISABLE (1UL << 2)
#define PR_SPEC_FORCE_DISABLE (1UL << 3)
#define PR_SPEC_DISABLE_NOEXEC (1UL << 4)
#define PR_PAC_RESET_KEYS 54
#define PR_PAC_APIAKEY (1UL << 0)