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-rw-r--r--lib/libsys/x86/pkru.33
1 files changed, 0 insertions, 3 deletions
diff --git a/lib/libsys/x86/pkru.3 b/lib/libsys/x86/pkru.3
index 95bc66c979ac..06837a39858d 100644
--- a/lib/libsys/x86/pkru.3
+++ b/lib/libsys/x86/pkru.3
@@ -79,9 +79,6 @@ protection, it returns the
error code.
Note that some side effects may have occurred if this error is reported.
.Pp
-Protection keys require that the system uses 4-level paging
-(also called long mode),
-which means that it is only available on amd64 system.
Both 64-bit and 32-bit applications can use protection keys.
More information about the hardware feature is provided in the IA32 Software
Developer's Manual published by Intel Corp.