diff --git a/5725.patch b/5725.patch
new file mode 100644
index 0000000..ae4bd8b
--- /dev/null
+++ b/5725.patch
@@ -0,0 +1,35 @@
+From 7cfa6f3114168797cf1fa7faa4ffe6c06b73f149 Mon Sep 17 00:00:00 2001
+From: Peter Trommler <ptrommler@acm.org>
+Date: Tue, 11 May 2021 20:52:01 +0200
+Subject: [PATCH] Hadrian: Enable SMP on powerpc64{le}
+
+Fixes #19825
+---
+ hadrian/src/Oracles/Flag.hs | 11 ++++++++++-
+ 1 file changed, 10 insertions(+), 1 deletion(-)
+
+diff --git a/hadrian/src/Oracles/Flag.hs b/hadrian/src/Oracles/Flag.hs
+index 86521e4aa8a..1b3aff693eb 100644
+--- a/hadrian/src/Oracles/Flag.hs
++++ b/hadrian/src/Oracles/Flag.hs
+@@ -70,7 +70,16 @@ targetSupportsSMP :: Action Bool
+ targetSupportsSMP = do
+   unreg <- flag GhcUnregisterised
+   armVer <- targetArmVersion
+-  goodArch <- anyTargetArch ["i386", "x86_64", "sparc", "powerpc", "arm", "aarch64", "s390x", "riscv64"]
++  goodArch <- anyTargetArch ["i386"
++                            , "x86_64"
++                            , "sparc"
++                            , "powerpc"
++                            , "powerpc64"
++                            , "powerpc64le"
++                            , "arm"
++                            , "aarch64"
++                            , "s390x"
++                            , "riscv64"]
+   if   -- The THREADED_RTS requires `BaseReg` to be in a register and the
+        -- Unregisterised mode doesn't allow that.
+      | unreg                -> return False
+-- 
+GitLab
+
diff --git a/ghc.spec b/ghc.spec
index 508bad3..61f279b 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -88,7 +88,7 @@ Version: 9.2.6
 # - release can only be reset if *all* library versions get bumped simultaneously
 #   (sometimes after a major release)
 # - minor release numbers for a branch should be incremented monotonically
-Release: 128%{?dist}
+Release: 129%{?dist}
 Summary: Glasgow Haskell Compiler
 
 License: BSD and HaskellReport
@@ -136,6 +136,10 @@ Patch16: ghc-9.2.1-hadrian-s390x-rts--qg.patch
 # https://gitlab.haskell.org/ghc/ghc/-/issues/16998
 Patch18: Disable-unboxed-arrays.patch
 
+# ppc64le
+# enable smp with hadrian
+Patch20: https://gitlab.haskell.org/ghc/ghc/-/merge_requests/5725.patch
+
 # Debian patches:
 Patch24: buildpath-abi-stability.patch
 Patch26: no-missing-haddock-file-warning.patch
@@ -451,6 +455,9 @@ rm libffi-tarballs/libffi-*.tar.gz
 %patch18 -p1 -b .orig
 %endif
 
+# ppc64le
+%patch20 -p1 -b .orig
+
 # debian
 %patch24 -p1 -b .orig
 %patch26 -p1 -b .orig
@@ -985,6 +992,9 @@ env -C %{ghc_html_libraries_dir} ./gen_contents_index
 
 
 %changelog
+* Fri Feb 17 2023 Jens Petersen <petersen@redhat.com> - 9.2.6-129
+- upstream patch to enable SMP rts for ppc64le
+
 * Thu Feb 16 2023 Jens Petersen <petersen@redhat.com> - 9.2.6-128
 - rebuild to fix prof deps