linux-kernel - Re: [PATCH v4 18/24] EDAC/amd64: Define function to insert CS ID into address

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YgpUc7J2/4+n2oMv@zn.tnic>
Date:   Mon, 14 Feb 2022 14:09:07 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Yazen Ghannam <yazen.ghannam@....com>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        mchehab@...nel.org, tony.luck@...el.com, james.morse@....com,
        rric@...nel.org, Smita.KoralahalliChannabasappa@....com
Subject: Re: [PATCH v4 18/24] EDAC/amd64: Define function to insert CS ID
 into address

On Thu, Jan 27, 2022 at 08:41:09PM +0000, Yazen Ghannam wrote:
> @@ -1326,20 +1331,7 @@ static int denormalize_addr(struct addr_ctx *ctx)
>  		return -EINVAL;
>  	}
>  
> -	if (num_intlv_bits > 0) {
> -		u64 temp_addr_i;
> -
> -		/*
> -		 * The pre-interleaved address consists of XXXXXXIIIYYYYY
> -		 * where III is the ID for this CS, and XXXXXXYYYYY are the
> -		 * address bits from the post-interleaved address.
> -		 * "num_intlv_bits" has been calculated to tell us how many "I"
> -		 * bits there are. "intlv_addr_bit" tells us how many "Y" bits
> -		 * there are (where "I" starts).
> -		 */

That comment looks useful, why remove it?

-- 
Regards/Gruss,
    Boris.

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