diff options
| -rw-r--r-- | cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch | 42 | ||||
| -rw-r--r-- | kernel.spec | 5 |
2 files changed, 47 insertions, 0 deletions
diff --git a/cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch b/cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch new file mode 100644 index 000000000..e0d590b21 --- /dev/null +++ b/cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch @@ -0,0 +1,42 @@ +From: dirk.brandewie@gmail.com +To: linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org +Cc: Dirk Brandewie <dirk.brandewie@gmail.com>, + Dirk Brandewie <dirk.j.brandewie@intel.com> +Subject: [PATCH] cpufreq/intel_pstate: Fix calculation of current frequency +Date: Fri, 22 Mar 2013 10:51:05 -0700 +Message-Id: <1363974665-22049-1-git-send-email-dirk.brandewie@gmail.com> + +From: Dirk Brandewie <dirk.brandewie@gmail.com> + +Use the correct pstate value to calculate the effective frequency. + +https://bugzilla.redhat.com/show_bug.cgi?id=923942 +Reported-by: Satish Balay <balay@fastmail.fm> + +Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com> +--- + drivers/cpufreq/intel_pstate.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c +index e84af66..ad72922 100644 +--- a/drivers/cpufreq/intel_pstate.c ++++ b/drivers/cpufreq/intel_pstate.c +@@ -454,7 +454,7 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu, + sample->idletime_us * 100, + sample->duration_us); + core_pct = div64_u64(sample->aperf * 100, sample->mperf); +- sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000; ++ sample->freq = cpu->pstate.max_pstate * core_pct * 1000; + + sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct), + 100); +-- +1.7.7.6 + +-- +To unsubscribe from this list: send the line "unsubscribe linux-kernel" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html +Please read the FAQ at http://www.tux.org/lkml/ + diff --git a/kernel.spec b/kernel.spec index 1f56d3aaf..ea4a0411b 100644 --- a/kernel.spec +++ b/kernel.spec @@ -752,6 +752,7 @@ Patch22000: weird-root-dentry-name-debug.patch Patch22001: selinux-apply-different-permission-to-ptrace-child.patch Patch23000: cpufreq-intel-pstate-validate-msrs.patch +Patch23001: cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch # END OF PATCH DEFINITIONS @@ -1420,6 +1421,7 @@ ApplyPatch selinux-apply-different-permission-to-ptrace-child.patch # rhbz 922923 ApplyPatch cpufreq-intel-pstate-validate-msrs.patch +ApplyPatch cpufreq-intel-pstate-max-is-in-the-max-variable-who-knew.patch #rhbz 859485 ApplyPatch vt-Drop-K_OFF-for-VC_MUTE.patch @@ -2290,6 +2292,9 @@ fi # ||----w | # || || %changelog +* Fri Mar 22 2013 Dave Jones <davej@redhat.com> +- Fix calculation of current frequency in intel_pstate driver. (rhbz 923942) + * Thu Mar 21 2013 Josh Boyer <jwboyer@redhat.com> - Fix workqueue crash in mac80211 (rhbz 920218) |