tools headers uapi: Sync prctl.h with the kernel sources

To get the changes in ba8308856564 ("arm64: add prctl control for
resetting ptrauth keys"), that introduce a prctl with a name that needs
to be catch by the prctl cmd table generator, which will be done in the
next cset.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/n/tip-a1pahzc8lci0ey1fjvv1chdm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
index b17201edfa09a4d00b01b4b0665b67825f6078b7..b4875a93363a98676b32098404fda28d86b4aad9 100644 (file)
--- a/tools/include/uapi/linux/prctl.h
+++ b/tools/include/uapi/linux/prctl.h
@@ -220,4 +220,12 @@ struct prctl_mm_map {
 # define PR_SPEC_DISABLE               (1UL << 2)
 # define PR_SPEC_FORCE_DISABLE         (1UL << 3)
 
+/* Reset arm64 pointer authentication keys */
+#define PR_PAC_RESET_KEYS              54
+# define PR_PAC_APIAKEY                        (1UL << 0)
+# define PR_PAC_APIBKEY                        (1UL << 1)
+# define PR_PAC_APDAKEY                        (1UL << 2)
+# define PR_PAC_APDBKEY                        (1UL << 3)
+# define PR_PAC_APGAKEY                        (1UL << 4)
+
 #endif /* _LINUX_PRCTL_H */