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From: Yazen Ghannam <yazen.ghannam@amd.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org,
	mchehab@kernel.org, tony.luck@intel.com, james.morse@arm.com,
	rric@kernel.org, Smita.KoralahalliChannabasappa@amd.com
Subject: Re: [PATCH v4 18/24] EDAC/amd64: Define function to insert CS ID into address
Date: Wed, 9 Mar 2022 22:31:32 +0000	[thread overview]
Message-ID: <YikqxFfS9qrLLXM4@yaz-ubuntu> (raw)
In-Reply-To: <YgpUc7J2/4+n2oMv@zn.tnic>

On Mon, Feb 14, 2022 at 02:09:07PM +0100, Borislav Petkov wrote:
> 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?
>

No firm reason. I just got the feeling it wasn't very useful. But I'll keep it
in case others find it helpful.

Thanks,
Yazen
 

  reply	other threads:[~2022-03-09 22:31 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-27 20:40 [PATCH v4 00/24] AMD MCA Address Translation Updates Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 01/24] EDAC/amd64: Define Data Fabric operations Yazen Ghannam
2022-02-11 19:10   ` Borislav Petkov
2022-03-09 21:42     ` Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 02/24] EDAC/amd64: Define functions for DramOffset Yazen Ghannam
2022-02-11 19:23   ` Borislav Petkov
2022-03-09 21:43     ` Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 03/24] EDAC/amd64: Define function to read DRAM address map registers Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 04/24] EDAC/amd64: Define function to find interleaving mode Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 05/24] EDAC/amd64: Define function to denormalize address Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 06/24] EDAC/amd64: Define function to add DRAM base and hole Yazen Ghannam
2022-01-27 20:40 ` [PATCH v4 07/24] EDAC/amd64: Define function to dehash address Yazen Ghannam
2022-02-11 22:47   ` Borislav Petkov
2022-03-09 21:50     ` Yazen Ghannam
2022-03-10 16:01       ` Borislav Petkov
2022-01-27 20:40 ` [PATCH v4 08/24] EDAC/amd64: Define function to check DRAM limit address Yazen Ghannam
2022-02-14 10:06   ` Borislav Petkov
2022-03-09 22:03     ` Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 09/24] EDAC/amd64: Remove goto statements Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 10/24] EDAC/amd64: Define function to get Interleave Address Bit Yazen Ghannam
2022-02-14 12:10   ` Borislav Petkov
2022-03-09 22:12     ` Yazen Ghannam
2022-03-10 16:09       ` Borislav Petkov
2022-01-27 20:41 ` [PATCH v4 11/24] EDAC/amd64: Skip denormalization if no interleaving Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 12/24] EDAC/amd64: Define function to get number of interleaved channels Yazen Ghannam
2022-02-14 12:20   ` Borislav Petkov
2022-03-09 22:13     ` Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 13/24] EDAC/amd64: Define function to get number of interleaved dies Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 14/24] EDAC/amd64: Define function to get number of interleaved sockets Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 15/24] EDAC/amd64: Remove unnecessary assert Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 16/24] EDAC/amd64: Define function to make space for CS ID Yazen Ghannam
2022-02-14 12:50   ` Borislav Petkov
2022-03-09 22:25     ` Yazen Ghannam
2022-03-11 21:00       ` Borislav Petkov
2022-01-27 20:41 ` [PATCH v4 17/24] EDAC/amd64: Define function to calculate " Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 18/24] EDAC/amd64: Define function to insert CS ID into address Yazen Ghannam
2022-02-14 13:09   ` Borislav Petkov
2022-03-09 22:31     ` Yazen Ghannam [this message]
2022-01-27 20:41 ` [PATCH v4 19/24] EDAC/amd64: Define function to get CS Fabric ID Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 20/24] EDAC/amd64: Define function to find shift and mask values Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 21/24] EDAC/amd64: Update CS ID calculation to match reference code Yazen Ghannam
2022-02-14 13:42   ` Borislav Petkov
2022-03-09 22:32     ` Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 22/24] EDAC/amd64: Match hash function to " Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 23/24] EDAC/amd64: Define function to get interleave address select bit Yazen Ghannam
2022-01-27 20:41 ` [PATCH v4 24/24] EDAC/amd64: Add support for address translation on DF3 systems Yazen Ghannam

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