diff --git a/fio-2.0.12.2-no-arch-cpu-clock.patch b/fio-2.0.12.2-no-arch-cpu-clock.patch
new file mode 100644
index 0000000..b3641b5
--- /dev/null
+++ b/fio-2.0.12.2-no-arch-cpu-clock.patch
@@ -0,0 +1,40 @@
+From 4de98eb0e68314ba36fcfc2722a1c9b3bc5d3318 Mon Sep 17 00:00:00 2001
+From: Jens Axboe <axboe@kernel.dk>
+Date: Tue, 1 Jan 2013 10:59:04 +0100
+Subject: [PATCH] Move 'tsc_reliable' outside of ARCH_HAVE_CPU_CLOCK
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Otherwise we fail building on architectures that do not define
+it, as reported by Dan:
+
+cc -o gettime.o -c -std=gnu99 -Wwrite-strings -Wall -O3 -g -O2 -g -pipe
+-Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
+--param=ssp-buffer-size=4 -m31 -march=z9-109 -mtune=z10
+-DFIO_VERSION='"fio-2.0.12.2"' -D_GNU_SOURCE -D_LARGEFILE_SOURCE
+-D_FILE_OFFSET_BITS=64 -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG gettime.c
+gettime.c: In function 'fio_clock_init':
+gettime.c:317:6: error: 'tsc_reliable' undeclared (first use in this function)
+gettime.c:317:6: note: each undeclared identifier is reported only once for each function it appears in
+make: *** [gettime.o] Error 1
+
+Reported-by: Dan Horák <dan@danny.cz>
+Signed-off-by: Jens Axboe <axboe@kernel.dk>
+---
+ gettime.c |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff -up fio-2.0.12.2/gettime.c.no-arch-cpu-clock fio-2.0.12.2/gettime.c
+--- fio-2.0.12.2/gettime.c.no-arch-cpu-clock	2012-12-20 15:19:57.000000000 +0100
++++ fio-2.0.12.2/gettime.c	2013-01-01 11:40:29.000000000 +0100
+@@ -15,8 +15,8 @@
+ 
+ #ifdef ARCH_HAVE_CPU_CLOCK
+ static unsigned long cycles_per_usec;
+-int tsc_reliable = 0;
+ #endif
++int tsc_reliable = 0;
+ 
+ struct tv_valid {
+ 	struct timeval last_tv;
diff --git a/fio.spec b/fio.spec
index b446b06..8442b2c 100644
--- a/fio.spec
+++ b/fio.spec
@@ -1,12 +1,14 @@
 Name:		fio
 Version:	2.0.12.2
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	Multithreaded IO generation tool
 
 Group:		Applications/System
 License:	GPLv2
 URL:		http://git.kernel.dk/?p=fio.git;a=summary
 Source:		http://brick.kernel.dk/snaps/%{name}-%{version}.tar.bz2
+# backported upstream commit 4de98eb0e
+Patch0:		fio-2.0.12.2-no-arch-cpu-clock.patch
 
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
@@ -22,6 +24,7 @@ one wants to simulate.
 
 %prep
 %setup -q
+%patch0 -p1 -b .no-arch-cpu-clock
 
 %build
 EXTFLAGS="$RPM_OPT_FLAGS" make V=1 %{?_smp_mflags}
@@ -40,6 +43,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/*
 
 %changelog
+* Tue Jan 01 2013 Dan Horák <dan[at]danny.cz> - 2.0.12.2-2
+- fix build on arches without ARCH_HAVE_CPU_CLOCK (arm, s390)
+
 * Fri Dec 21 2012 Eric Sandeen <sandeen@redhat.com> 2.0.12.2-1 
 - New upstream version