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-rw-r--r--qemu-seccomp.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/qemu-seccomp.c b/qemu-seccomp.c
index 80d034a..c831fe8 100644
--- a/qemu-seccomp.c
+++ b/qemu-seccomp.c
@@ -16,6 +16,14 @@
#include <seccomp.h>
#include "sysemu/seccomp.h"
+#if SCMP_VER_MAJOR >= 3
+ #define HAVE_CACHEFLUSH
+#elif SCMP_VER_MAJOR == 2 && SCMP_VER_MINOR >= 3
+ #define HAVE_CACHEFLUSH
+#elif SCMP_VER_MAJOR == 2 && SCMP_VER_MINOR == 2 && SCMP_VER_MICRO >= 3
+ #define HAVE_CACHEFLUSH
+#endif
+
struct QemuSeccompSyscall {
int32_t num;
uint8_t priority;
@@ -238,7 +246,10 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
{ SCMP_SYS(inotify_init1), 240 },
{ SCMP_SYS(inotify_add_watch), 240 },
{ SCMP_SYS(mbind), 240 },
- { SCMP_SYS(memfd_create), 240 }
+ { SCMP_SYS(memfd_create), 240 },
+#ifdef HAVE_CACHEFLUSH
+ { SCMP_SYS(cacheflush), 240 },
+#endif
};
int seccomp_start(void)