linux-kernel - RE: [PATCH v5] Drivers: hv: Cosmetic changes for hv.c and balloon.c

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Message-ID:
 <SN6PR02MB41572A8E15A990EB162C60FCD4F22@SN6PR02MB4157.namprd02.prod.outlook.com>
Date: Wed, 29 May 2024 16:29:17 +0000
From: Michael Kelley <mhklinux@...look.com>
To: Aditya Nagesh <adityanagesh@...ux.microsoft.com>,
	"adityanagesh@...rosoft.com" <adityanagesh@...rosoft.com>,
	"kys@...rosoft.com" <kys@...rosoft.com>, "haiyangz@...rosoft.com"
	<haiyangz@...rosoft.com>, "wei.liu@...nel.org" <wei.liu@...nel.org>,
	"decui@...rosoft.com" <decui@...rosoft.com>, "linux-hyperv@...r.kernel.org"
	<linux-hyperv@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v5] Drivers: hv: Cosmetic changes for hv.c and balloon.c

From: Aditya Nagesh <adityanagesh@...ux.microsoft.com> Sent: Wednesday, May 29, 2024 9:05 AM
> 
> Fix issues reported by checkpatch.pl script in hv.c and
> balloon.c
>  - Remove unnecessary parentheses
>  - Remove extra newlines
>  - Remove extra spaces
>  - Add spaces between comparison operators
>  - Remove comparison with NULL in if statements
> 
> No functional changes intended
> 
> Signed-off-by: Aditya Nagesh <adityanagesh@...ux.microsoft.com>
> Reviewed-by: Saurabh Sengar <ssengar@...ux.microsoft.com>
> ---
> [V5]
> Rebase to hyperv-fixes
> 
> [V4]
> Fix Alignment issue and revert a line since 100 characters are allowed in a line
> 
> [V3]
> Fix alignment issues in multiline function parameters.
> 
> [V2]
> Change Subject from "Drivers: hv: Fix Issues reported by checkpatch.pl script"
>  to "Drivers: hv: Cosmetic changes for hv.c and balloon.c"
>  drivers/hv/hv.c         |  37 +++++++-------
>  drivers/hv/hv_balloon.c | 105 ++++++++++++++--------------------------
>  2 files changed, 53 insertions(+), 89 deletions(-)
> 

[snip]

> @@ -999,21 +984,14 @@ static void hot_add_req(struct work_struct *dummy)
>  	rg_start = dm->ha_wrk.ha_region_range.finfo.start_page;
>  	rg_sz = dm->ha_wrk.ha_region_range.finfo.page_cnt;
> 
> -	if ((rg_start == 0) && (!dm->host_specified_ha_region)) {
> +	if (rg_start == 0 && !dm->host_specified_ha_region) {
>  		/*
> -		 * The host has not specified the hot-add region.
>  		 * Based on the hot-add page range being specified,
> -		 * compute a hot-add region that can cover the pages
> -		 * that need to be hot-added while ensuring the alignment
> -		 * and size requirements of Linux as it relates to hot-add.
> -		 */
> -		rg_start = ALIGN_DOWN(pg_start, ha_pages_in_chunk);
> -		rg_sz = ALIGN(pfn_cnt, ha_pages_in_chunk);

Hmmm.  The above is not a cosmetic change.  Looks like this
delta was erroneously introduced in the v5 version.  It wasn't
there in v4.

Everything else LGTM.

Michael