linux-kernel - Re: [PATCH v4 05/16] x86/cpu: Remove redundant comment during feature setup

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Message-ID: <20240710172107.GHZo7DA3pQ1Mkj8gy7@fat_crate.local>
Date: Wed, 10 Jul 2024 19:21:07 +0200
From: Borislav Petkov <bp@...en8.de>
To: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Xiongwei Song <xiongwei.song@...driver.com>,
	Xin Li <xin3.li@...el.com>, "Mike Rapoport (IBM)" <rppt@...nel.org>,
	Brijesh Singh <brijesh.singh@....com>,
	Michael Roth <michael.roth@....com>,
	Tony Luck <tony.luck@...el.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Alexey Kardashevskiy <aik@....com>,
	Jonathan Corbet <corbet@....net>,
	Sohil Mehta <sohil.mehta@...el.com>, Ingo Molnar <mingo@...nel.org>,
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Daniel Sneddon <daniel.sneddon@...ux.intel.com>,
	Kai Huang <kai.huang@...el.com>,
	Sandipan Das <sandipan.das@....com>,
	Breno Leitao <leitao@...ian.org>,
	Rick Edgecombe <rick.p.edgecombe@...el.com>,
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	Kees Cook <kees@...nel.org>, Eric Biggers <ebiggers@...gle.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
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	Andrew Morton <akpm@...ux-foundation.org>,
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	Rasmus Villemoes <linux@...musvillemoes.dk>,
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	Huang Shijie <shijie@...amperecomputing.com>,
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	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-efi@...r.kernel.org
Subject: Re: [PATCH v4 05/16] x86/cpu: Remove redundant comment during
 feature setup

On Wed, Jul 10, 2024 at 07:06:41PM +0300, Alexander Shishkin wrote:
> From: Sohil Mehta <sohil.mehta@...el.com>
> 
> The code below the comment is self explanatory. Instead of updating the
> comment with the newly added LASS feature, it is better to just remove
> it.
> 
> Signed-off-by: Sohil Mehta <sohil.mehta@...el.com>
> Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
> ---
>  arch/x86/kernel/cpu/common.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index dcf61a66e462..33a76256a6f5 100644
> --- a/arch/x86/kernel/cpu/common.c
> +++ b/arch/x86/kernel/cpu/common.c
> @@ -1841,7 +1841,6 @@ static void identify_cpu(struct cpuinfo_x86 *c)
>  	/* Disable the PN if appropriate */
>  	squash_the_stupid_serial_number(c);
>  
> -	/* Set up SMEP/SMAP/UMIP */
>  	setup_smep(c);
>  	setup_smap(c);
>  	setup_umip(c);
> -- 

A separate patch just for that?! You're kidding, right?

Just merge it with the previous one.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette