On Fri, 2018-06-15 at 11:15 -0700, Geoff Levand wrote: > Hi Mark, > > On 06/15/2018 10:33 AM, Mark Salter wrote: > > On Fri, 2018-06-15 at 10:17 -0700, Geoff Levand wrote: > > > > > + MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM) { > > > > > > > > How is the CPU implementer relevant? > > > > > > That was just a copy of what other fixes had. Should I remove it? > > > > It was there because HPE ProLiant strings are generic and you may end up > > disabling platforms which would otherwise work. It is the ProLiant system > > based on the APM chipset which is the problem. Thus the check for cpu > > implementor. > > Your original fix that had this cpu implementor check was in the main > ACPI code, so would be built for other arches. This is now in > arch/arm64/kernel/acpi.c, which will only be built for arm64. Is that > enough to limit it, or do we still need the check? The original code was protected by #ifdef ARM64. But yes, HPE has announced another aarch64 ProLiant system based on Cavium ThunderX2. So we need to allow everything but the APM XGene based ProLiant products. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html