mmiotrace uses the ftrace framework for dynamic patching, so enabling it does not cause any performance impact.
Having mmiotrace enabled is very useful for debugging nvidia / nouveau driver problems, as we often use mmiotraces for nouveau development / debugging.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- config-x86-generic | 1 + kernel.spec | 3 +++ 2 files changed, 4 insertions(+)
diff --git a/config-x86-generic b/config-x86-generic index 9ba3354..eb78690 100644 --- a/config-x86-generic +++ b/config-x86-generic @@ -66,6 +66,7 @@ CONFIG_CAPI_EICON=y # CONFIG_X86_MPPARSE=y # CONFIG_X86_VERBOSE_BOOTUP is not set +CONFIG_MMIOTRACE=y # CONFIG_MMIOTRACE_TEST is not set # CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_RODATA=y diff --git a/kernel.spec b/kernel.spec index 4ccceec..cdb59d4 100644 --- a/kernel.spec +++ b/kernel.spec @@ -2025,6 +2025,9 @@ fi # %changelog * Tue Aug 04 2015 Hans de Goede hdegoede@redhat.com +- Always enable mmiotrace when building x86 kernels + +* Tue Aug 04 2015 Hans de Goede hdegoede@redhat.com - Move joydev.ko from kernel-modules-extra to kernel-modules
* Mon Aug 03 2015 Josh Boyer jwboyer@fedoraproject.org
On Tue, Aug 4, 2015 at 6:00 AM, Hans de Goede hdegoede@redhat.com wrote:
mmiotrace uses the ftrace framework for dynamic patching, so enabling it does not cause any performance impact.
Having mmiotrace enabled is very useful for debugging nvidia / nouveau driver problems, as we often use mmiotraces for nouveau development / debugging.
Signed-off-by: Hans de Goede hdegoede@redhat.com
Applied.
josh
config-x86-generic | 1 + kernel.spec | 3 +++ 2 files changed, 4 insertions(+)
diff --git a/config-x86-generic b/config-x86-generic index 9ba3354..eb78690 100644 --- a/config-x86-generic +++ b/config-x86-generic @@ -66,6 +66,7 @@ CONFIG_CAPI_EICON=y # CONFIG_X86_MPPARSE=y # CONFIG_X86_VERBOSE_BOOTUP is not set +CONFIG_MMIOTRACE=y # CONFIG_MMIOTRACE_TEST is not set # CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_RODATA=y diff --git a/kernel.spec b/kernel.spec index 4ccceec..cdb59d4 100644 --- a/kernel.spec +++ b/kernel.spec @@ -2025,6 +2025,9 @@ fi # %changelog
- Tue Aug 04 2015 Hans de Goede hdegoede@redhat.com
+- Always enable mmiotrace when building x86 kernels
+* Tue Aug 04 2015 Hans de Goede hdegoede@redhat.com
- Move joydev.ko from kernel-modules-extra to kernel-modules
- Mon Aug 03 2015 Josh Boyer jwboyer@fedoraproject.org
-- 2.4.3
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