Messages in this thread |  | | Date | Sun, 8 Oct 2017 10:34:25 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v9 4/5] x86/xsave: Make XSAVE check the base CPUID features before enabling |
| |
On Fri, 6 Oct 2017, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com> > > Before enabling XSAVE, not only check the XSAVE specific CPUID bits, > but also the base CPUID features of the respective XSAVE feature. > This allows to disable individual XSAVE states using the existing > clearcpuid= option, which can be useful for performance testing > and debugging, and also in general avoids inconsistencies. > > v2: > Add curly brackets (Thomas Gleixner) > Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
|  |