Messages in this thread | | | Date | Wed, 29 Nov 2023 22:18:53 +0800 | Subject | Re: [PATCH v7 07/26] x86/fpu/xstate: Warn if kernel dynamic xfeatures detected in normal fpstate | From | "Yang, Weijiang" <> |
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On 11/28/2023 11:25 PM, Edgecombe, Rick P wrote: > On Fri, 2023-11-24 at 00:53 -0500, Yang Weijiang wrote: >> Kernel dynamic xfeatures now are __ONLY__ enabled for guest fpstate, >> i.e., >> none for normal kernel fpstate. The bits are added when guest FPU > ^never?
Sure, will change it, thank you!
>> config >> is initialized. Guest fpstate is allocated with fpstate->is_guest set >> to >> %true. >> >> For normal fpstate, the bits should have been removed when >> initializes >> kernel FPU config settings, WARN_ONCE() if kernel detects normal >> fpstate >> xfeatures contains kernel dynamic xfeatures before executes xsaves. >> >> Signed-off-by: Yang Weijiang <weijiang.yang@intel.com> > Otherwise... > > Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
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