linux-kernel - Re: [PATCH] x86/cpufeatures: Clean up formatting

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Message-ID: <a8782d3a-9c22-48c3-916f-29babc58db5f@zytor.com>
Date: Thu, 10 Apr 2025 10:11:56 -0700
From: Xin Li <xin@...or.com>
To: Borislav Petkov <bp@...nel.org>, X86 ML <x86@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
        "Borislav Petkov (AMD)"
 <bp@...en8.de>
Subject: Re: [PATCH] x86/cpufeatures: Clean up formatting

On 4/10/2025 9:54 AM, Borislav Petkov wrote:
> @@ -477,10 +477,10 @@
>   #define X86_FEATURE_BHI_CTRL		(21*32+ 2) /* BHI_DIS_S HW control available */
>   #define X86_FEATURE_CLEAR_BHB_HW	(21*32+ 3) /* BHI_DIS_S HW control enabled */
>   #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */
> -#define X86_FEATURE_AMD_FAST_CPPC	(21*32 + 5) /* Fast CPPC */
> -#define X86_FEATURE_AMD_HETEROGENEOUS_CORES (21*32 + 6) /* Heterogeneous Core Topology */
> -#define X86_FEATURE_AMD_WORKLOAD_CLASS	(21*32 + 7) /* Workload Classification */
> -#define X86_FEATURE_PREFER_YMM		(21*32 + 8) /* Avoid ZMM registers due to downclocking */
> +#define X86_FEATURE_AMD_FAST_CPPC	(21*32+ 5) /* Fast CPPC */
> +#define X86_FEATURE_AMD_HETEROGENEOUS_CORES (21*32+ 6) /* Heterogeneous Core Topology */
> +#define X86_FEATURE_AMD_WORKLOAD_CLASS	(21*32+ 7) /* Workload Classification */
> +#define X86_FEATURE_PREFER_YMM		(21*32+ 8) /* Avoid ZMM registers due to downclocking */

Ha, I did a similar cleanup with adding the immediate MSR instruction
support (you asked to use scattered):

https://lore.kernel.org/lkml/20250331082251.3171276-9-xin@zytor.com/

Thanks!
     Xin