Messages in this thread | | | Subject | Re: [PATCH v2 1/8] x86/feature: Detect the x86 IBRS feature to control Speculation | From | Tim Chen <> | Date | Tue, 9 Jan 2018 09:53:15 -0800 |
| |
On 01/09/2018 02:39 AM, Paolo Bonzini wrote:
> + > +#define MSR_IA32_SPEC_CTRL 0x00000048 > +#define SPEC_CTRL_FEATURE_DISABLE_IBRS (0 << 0) > +#define SPEC_CTRL_FEATURE_ENABLE_IBRS (1 << 0)
Boris requested that the name for ENABLE/DISABLE to be shortened to SPEC_CTRL_{ENABLE,DISABLE}_IBRS. I'm planning to do that for the next patchset update.
> + > +#define MSR_IA32_PRED_CMD 0x00000049 > +#define PRED_CMD_IBPB (1UL << 0) > +
The IBPB stuff should be enumerated separately. Feel free to create a separate patch for this chunk.
Thanks.
Tim
| |