There are a few instances if trailing whitespace throughout the spec.

It's not uncommon for editors to yell about this (such as vim with
syntastic running rpmlint) and the yelling can be annoying so...

kernel.spec

@@ -341,7 +341,7 @@ Summary: The Linux kernel
 %endif
 
 # Architectures we build tools/cpupower on
-%define cpupowerarchs %{ix86} x86_64 %{power64} %{arm} aarch64 
+%define cpupowerarchs %{ix86} x86_64 %{power64} %{arm} aarch64
 
 #
 # Packages that need to be installed before the kernel is, because the %%post
@@ -947,7 +947,7 @@ on kernel bugs, as some of these options impact performance noticably.
 # And finally the main -core package
 
 %define variant_summary The Linux kernel
-%kernel_variant_package 
+%kernel_variant_package
 %description core
 The kernel package contains the Linux kernel (vmlinuz), the core of any
 Linux operating system.  The kernel handles the basic functions
@@ -2133,7 +2133,7 @@ fi
 # plz don't put in a version string unless you're going to tag
 # and build.
 #
-# 
+#
 %changelog
 * Fri Aug 05 2016 Laura Abbott <labbott@redhat.com> - 4.8.0-0.rc0.git7.1
 - Linux v4.7-11891-gdd7fd3a
@@ -2386,7 +2386,7 @@ fi
 * Wed May 18 2016 Laura Abbott <labbott@redhat.com> - 4.7.0-0.rc0.git3.1
 - Linux v4.6-3623-g0b7962a
 - ata, regulator, gpio, HID, livepatching, networking, dm, block, vfs, fs,
-  timers, crypto merges 
+  timers, crypto merges
 
 * Tue May 17 2016 Laura Abbott <labbott@redhat.com> - 4.7.0-0.rc0.git2.2
 - Adjust solib for cpupower
@@ -2719,7 +2719,7 @@ fi
 - Reenable debugging options.
 
 * Tue Mar 08 2016 Thorsten Leemhuis <fedora@leemhuis.info>
-- add signkernel macro to make signing kernel and signing modules 
+- add signkernel macro to make signing kernel and signing modules
   independent from each other
 - sign modules on all archs
 
@@ -3675,7 +3675,7 @@ fi
 - Inital ARM updates for 4.1
 - Temporarily disable AMD ARM64 xgbe-a0 driver
 
-* Wed Apr 22 2015 Josh Boyer <jwboyer@fedoraproject.org> 
+* Wed Apr 22 2015 Josh Boyer <jwboyer@fedoraproject.org>
 - Linux v4.0-9804-gdb4fd9c5d072
 
 * Tue Apr 21 2015 Josh Boyer <jwboyer@fedoraproject.org> - 4.1.0-0.rc0.git11.1
@@ -3910,7 +3910,7 @@ fi
 - kernel-arm64.patch merge, but leave it off.
 - kernel-arm64-fix-psci-when-pg.patch: when -pg (because of ftrace) is enabled
   we must explicitly annotate which registers should be assigned, otherwise
-  gcc will do unexpected things behind our backs. 
+  gcc will do unexpected things behind our backs.
 
 * Tue Feb 17 2015 Josh Boyer <jwboyer@fedoraproject.org> - 3.20.0-0.rc0.git7.1
 - Linux v3.19-7478-g796e1c55717e