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authorKees Cook2018-05-03 23:56:12 +0200
committerThomas Gleixner2018-05-05 00:51:44 +0200
commit00a02d0c502a06d15e07b857f8ff921e3e402675 (patch)
treed1f2bd8ff6733e43840a199d11e455790d7c21c8 /include/uapi/linux/seccomp.h
parentseccomp: Use PR_SPEC_FORCE_DISABLE (diff)
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seccomp: Add filter flag to opt-out of SSB mitigation
If a seccomp user is not interested in Speculative Store Bypass mitigation by default, it can set the new SECCOMP_FILTER_FLAG_SPEC_ALLOW flag when adding filters. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/uapi/linux/seccomp.h')
-rw-r--r--include/uapi/linux/seccomp.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/uapi/linux/seccomp.h b/include/uapi/linux/seccomp.h
index 2a0bd9dd104d..9efc0e73d50b 100644
--- a/include/uapi/linux/seccomp.h
+++ b/include/uapi/linux/seccomp.h
@@ -17,8 +17,9 @@
#define SECCOMP_GET_ACTION_AVAIL 2
/* Valid flags for SECCOMP_SET_MODE_FILTER */
-#define SECCOMP_FILTER_FLAG_TSYNC 1
-#define SECCOMP_FILTER_FLAG_LOG 2
+#define SECCOMP_FILTER_FLAG_TSYNC (1UL << 0)
+#define SECCOMP_FILTER_FLAG_LOG (1UL << 1)
+#define SECCOMP_FILTER_FLAG_SPEC_ALLOW (1UL << 2)
/*
* All BPF programs must return a 32-bit value.