1 files changed, 2 insertions, 79 deletions
diff --git a/man/man2/prctl.2 b/man/man2/prctl.2
index 041f27bcf2..76e5788df2 100644
--- a/man/man2/prctl.2
+++ b/man/man2/prctl.2
@@ -112,77 +112,8 @@ The first argument can be:
 .B PR_SET_NO_NEW_PRIVS
 .TQ
 .B PR_GET_NO_NEW_PRIVS
-.\" prctl PR_PAC_RESET_KEYS
-.\" commit ba830885656414101b2f8ca88786524d4bb5e8c1
-.TP
-.BR PR_PAC_RESET_KEYS " (since Linux 5.0, only on arm64)"
-Securely reset the thread's pointer authentication keys
-to fresh random values generated by the kernel.
-.IP
-The set of keys to be reset is specified by
-.IR arg2 ,
-which must be a logical OR of zero or more of the following:
-.RS
-.TP
-.B PR_PAC_APIAKEY
-instruction authentication key A
-.TP
-.B PR_PAC_APIBKEY
-instruction authentication key B
-.TP
-.B PR_PAC_APDAKEY
-data authentication key A
-.TP
-.B PR_PAC_APDBKEY
-data authentication key B
-.TP
-.B PR_PAC_APGAKEY
-generic authentication \[lq]A\[rq] key.
-.IP
-(Yes folks, there really is no generic B key.)
-.RE
-.IP
-As a special case, if
-.I arg2
-is zero, then all the keys are reset.
-Since new keys could be added in future,
-this is the recommended way to completely wipe the existing keys
-when establishing a clean execution context.
-Note that there is no need to use
-.B PR_PAC_RESET_KEYS
-in preparation for calling
-.BR execve (2),
-since
-.BR execve (2)
-resets all the pointer authentication keys.
-.IP
-The remaining arguments
-.IR arg3 ", " arg4 ", and " arg5
-must all be zero.
-.IP
-If the arguments are invalid,
-and in particular if
-.I arg2
-contains set bits that are unrecognized
-or that correspond to a key not available on this platform,
-then the call fails with error
-.BR EINVAL .
-.IP
-.B Warning:
-Because the compiler or run-time environment
-may be using some or all of the keys,
-a successful
+.TQ
 .B PR_PAC_RESET_KEYS
-may crash the calling process.
-The conditions for using it safely are complex and system-dependent.
-Don't use it unless you know what you are doing.
-.IP
-For more information, see the kernel source file
-.I Documentation/arm64/pointer\-authentication.rst
-.\"commit b693d0b372afb39432e1c49ad7b3454855bc6bed
-(or
-.I Documentation/arm64/pointer\-authentication.txt
-before Linux 5.3).
 .\" prctl PR_SET_PDEATHSIG
 .TP
 .BR PR_SET_PDEATHSIG " (since Linux 2.1.57)"
@@ -1334,15 +1265,6 @@ is not
 .B EINVAL
 .I op
 is
-.B PR_PAC_RESET_KEYS
-and the arguments are invalid or unsupported.
-See the description of
-.B PR_PAC_RESET_KEYS
-above for details.
-.TP
-.B EINVAL
-.I op
-is
 .B PR_SVE_SET_VL
 and the arguments are invalid or unsupported,
 or SVE is not available on this platform.
@@ -1491,4 +1413,5 @@ glibc 2.0.6
 .BR PR_GET_NAME (2const),
 .BR PR_SET_NO_NEW_PRIVS (2const),
 .BR PR_GET_NO_NEW_PRIVS (2const),
+.BR PR_PAC_RESET_KEYS (2const),
 .BR core (5)