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authorSzabolcs Nagy <nsz@port70.net>2019-01-23 20:50:55 +0000
committerRich Felker <dalias@aerifal.cx>2019-03-13 12:33:04 -0400
commit13c73da72f4c0926c82ce46964afc40c41cc7025 (patch)
tree8aefb3d8f4dea87ca64d9128b386ace1d4a77a77 /include/sys/prctl.h
parent0b026bbd69ac4f35e08b9ab800b7467eba7cb414 (diff)
downloadmusl-13c73da72f4c0926c82ce46964afc40c41cc7025.tar.gz
sys/prctl.h: add PR_SPEC_INDIRECT_BRANCH from linux v4.20
prctls to allow per task control of indirect branch speculation on x86. added in linux commit 9137bb27e60e554dab694eafa4cca241fa3a694f
Diffstat (limited to 'include/sys/prctl.h')
-rw-r--r--include/sys/prctl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/prctl.h b/include/sys/prctl.h
index af76408c..07a3490b 100644
--- a/include/sys/prctl.h
+++ b/include/sys/prctl.h
@@ -139,6 +139,7 @@ struct prctl_mm_map {
#define PR_GET_SPECULATION_CTRL 52
#define PR_SET_SPECULATION_CTRL 53
#define PR_SPEC_STORE_BYPASS 0
+#define PR_SPEC_INDIRECT_BRANCH 1
#define PR_SPEC_NOT_AFFECTED 0
#define PR_SPEC_PRCTL (1UL << 0)
#define PR_SPEC_ENABLE (1UL << 1)