linux-kernel - Re: [PATCH RFC v1 09/11] x86/fpu/apx: Disallow conflicting MPX presence

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Message-ID: <46520236-e326-4559-aa52-21ace869c814@intel.com>
Date: Thu, 27 Feb 2025 15:58:47 -0800
From: "Chang S. Bae" <chang.seok.bae@...el.com>
To: Dave Hansen <dave.hansen@...el.com>, <linux-kernel@...r.kernel.org>
CC: <x86@...nel.org>, <tglx@...utronix.de>, <mingo@...hat.com>,
	<bp@...en8.de>, <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH RFC v1 09/11] x86/fpu/apx: Disallow conflicting MPX
 presence

On 2/27/2025 3:16 PM, Dave Hansen wrote:
> On 2/27/25 10:44, Chang S. Bae wrote:
>>   
>> +	if (fpu_kernel_cfg.max_features & XFEATURE_MASK_APX &&
>> +	    fpu_kernel_cfg.max_features & XFEATURE_MASK_BNDREGS) {
>> +		/*
> 
> Does this also need to check XFEATURE_MASK_BNDCSR for completeness?

Ah, right. Sorry, it was a silly mistake. Thanks for reading through this!

Chang