* Rafael J. Wysocki <[email protected]> wrote:
> From: Rafael J. Wysocki <[email protected]> > > Commit b9c273babce7 (PM / arch: x86: MSR_IA32_ENERGY_PERF_BIAS sysfs > interface) caused kernels built with CONFIG_PM unset to crash on > systems supporting the Performance and Energy Bias Hint (EPB), > because it attempts to add files to sysfs directories that don't > exist on those systems. > > Prevent that from happening by taking CONFIG_PM into account so > that the code depending on it is not compiled at all when it is > not set. > > Fixes: b9c273babce7 (PM / arch: x86: MSR_IA32_ENERGY_PERF_BIAS sysfs > interface) > Reported-by: Ido Schimmel <[email protected]> > Tested-by: Ido Schimmel <[email protected]> > Signed-off-by: Rafael J. Wysocki <[email protected]> > --- > arch/x86/kernel/cpu/intel_epb.c | 22 +++++++++++++++++++++- > 1 file changed, 21 insertions(+), 1 deletion(-) Acked-by: Ingo Molnar <[email protected]> Thanks, Ingo
