Re: [PATCH v9] arm64: cpuinfo: Expose MIDR_EL1 and REVIDR_EL1 to sysfs

2016-07-12 Thread Catalin Marinas
On Fri, Jul 08, 2016 at 04:01:13PM +0100, Suzuki K. Poulose wrote: > From: Steve Capper > > It can be useful for JIT software to be aware of MIDR_EL1 and > REVIDR_EL1 to ascertain the presence of any core errata that could > affect code generation. > > This patch exposes these registers through

Re: [PATCH v9] arm64: cpuinfo: Expose MIDR_EL1 and REVIDR_EL1 to sysfs

2016-07-12 Thread Will Deacon
On Fri, Jul 08, 2016 at 04:01:13PM +0100, Suzuki K Poulose wrote: > From: Steve Capper > > It can be useful for JIT software to be aware of MIDR_EL1 and > REVIDR_EL1 to ascertain the presence of any core errata that could > affect code generation. > > This patch exposes these registers through s

[PATCH v9] arm64: cpuinfo: Expose MIDR_EL1 and REVIDR_EL1 to sysfs

2016-07-08 Thread Suzuki K Poulose
From: Steve Capper It can be useful for JIT software to be aware of MIDR_EL1 and REVIDR_EL1 to ascertain the presence of any core errata that could affect code generation. This patch exposes these registers through sysfs: /sys/devices/system/cpu/cpu$ID/regs/identification/midr_el1 /sys/devices/