arch-x86: Ignore Linux X86-64 syscall 334 "rseq"

Change-Id: Ibfba48de7d24e582a55bc6f2a9535891c42e89f7
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/64772
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/src/arch/x86/linux/syscall_tbl64.cc b/src/arch/x86/linux/syscall_tbl64.cc
index f239917..1f5638d 100644
--- a/src/arch/x86/linux/syscall_tbl64.cc
+++ b/src/arch/x86/linux/syscall_tbl64.cc
@@ -377,7 +377,7 @@
     { 331, "pkey_free" },
     { 332, "statx" },
     { 333, "io_pgetevents" },
-    { 334, "rseq" }
+    { 334, "rseq", ignoreFunc }
 };
 
 } // namespace X86ISA