On Wednesday, September 14, 2016 04:08:28 PM Hoan Tran wrote: > This patch fixes overflow issue when calculating the desired_perf. > > Signed-off-by: Hoan Tran <[email protected]> > --- > drivers/cpufreq/cppc_cpufreq.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c > index 894e465..3e0961e 100644 > --- a/drivers/cpufreq/cppc_cpufreq.c > +++ b/drivers/cpufreq/cppc_cpufreq.c > @@ -84,7 +84,8 @@ static int cppc_cpufreq_set_target(struct cpufreq_policy > *policy, > > cpu = all_cpu_data[policy->cpu]; > > - cpu->perf_ctrls.desired_perf = target_freq * policy->max / > cppc_dmi_max_khz; > + cpu->perf_ctrls.desired_perf = > + (u64)target_freq * policy->max / cppc_dmi_max_khz; > freqs.old = policy->cur; > freqs.new = target_freq;
That's on top of the CPPC material in linux-next I gather? Which commit does it fix? Thanks, Rafael
