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From: sashiko-bot@kernel.org
To: "Christoph Schlameuss" <schlameuss@linux.ibm.com>
Cc: "Christian Borntraeger" <borntraeger@linux.ibm.com>,
	linux-s390@vger.kernel.org, "Heiko Carstens" <hca@linux.ibm.com>,
	"Alexander Gordeev" <agordeev@linux.ibm.com>,
	kvm@vger.kernel.org, "Vasily Gorbik" <gor@linux.ibm.com>
Subject: Re: [PATCH v7 08/21] KVM: s390: vsie: Create helpers to alloc and free vsie_pages
Date: Fri, 18 Sep 2026 15:19:29 +0000	[thread overview]
Message-ID: <20260918151929.B29541F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260918-vsie-sigpi-v7-8-f39806eaae37@linux.ibm.com>

Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
- [Low] kvm: s390: unused parameter 'kvm' in alloc_vsie_page()
--

commit 1e1ca0f3e1c46c0196550769e69e63dd15389aa5
Author: Christoph Schlameuss <schlameuss@linux.ibm.com>

KVM: s390: vsie: Create helpers to alloc and free vsie_pages

This commit encapsulates the allocation and freeing of struct vsie_page
into their own methods to allow reuse from multiple code paths.

> diff --git a/arch/s390/kvm/s390/vsie.c b/arch/s390/kvm/s390/vsie.c
> index afc2e56fcabfa..e7005bade7574 100644
> --- a/arch/s390/kvm/s390/vsie.c
> +++ b/arch/s390/kvm/s390/vsie.c

[ ... ]

> +static struct vsie_page *alloc_vsie_page(struct kvm *kvm)
> +{
> +	struct vsie_page *vsie_page;
> +
> +	vsie_page = (struct vsie_page *)__get_free_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO | GFP_DMA);

[Severity: Low]
Does this new function need the kvm parameter? It appears the kvm
parameter is never used within the body of alloc_vsie_page in 
arch/s390/kvm/s390/vsie.c.

> +	if (!vsie_page)
> +		return vsie_page;
> +
> +	/* Mark it as invalid until it resides in the tree. */
> +	vsie_page->scb_gpa = ULONG_MAX;
> +	return vsie_page;
> +}

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260918-vsie-sigpi-v7-0-f39806eaae37@linux.ibm.com?part=8

  reply	other threads:[~2026-09-18 15:19 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-18 15:09 [PATCH v7 00/21] KVM: s390: vsie: Add VSIE SIGP ECALL and SRSI Interpretation Christoph Schlameuss
2026-09-18 15:09 ` [PATCH v7 01/21] KVM: s390: vsie: Add SCAO read and write helpers Christoph Schlameuss
2026-09-18 15:14   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 02/21] KVM: s390: vsie: Move SCAO validation into a function Christoph Schlameuss
2026-09-18 15:24   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 03/21] KVM: s390: vsie: Add vsie_interp_extf detection Christoph Schlameuss
2026-09-18 15:15   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 04/21] KVM: s390: vsie: Add ssca_block and ssca_entry structs Christoph Schlameuss
2026-09-18 15:14   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 05/21] KVM: s390: vsie: Move pin/unpin guest page Christoph Schlameuss
2026-09-18 15:16   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 06/21] KVM: s390: vsie: Move pin/unpin_scb methods Christoph Schlameuss
2026-09-18 15:24   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 07/21] KVM: s390: vsie: Move release/acquire gmap shadow Christoph Schlameuss
2026-09-18 15:16   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 08/21] KVM: s390: vsie: Create helpers to alloc and free vsie_pages Christoph Schlameuss
2026-09-18 15:19   ` sashiko-bot [this message]
2026-09-23 11:54   ` Janosch Frank
2026-09-24 11:32     ` Christoph Schlameuss
2026-09-18 15:09 ` [PATCH v7 09/21] KVM: s390: vsie: Replace radix_tree with xarray addr_to_page Christoph Schlameuss
2026-09-18 15:25   ` sashiko-bot
2026-09-23 12:40   ` Janosch Frank
2026-09-18 15:09 ` [PATCH v7 10/21] KVM: s390: vsie: Refactor kvm_s390_vsie_destroy and extract reusable methods Christoph Schlameuss
2026-09-18 15:22   ` sashiko-bot
2026-09-23 12:56   ` Janosch Frank
2026-09-18 15:09 ` [PATCH v7 11/21] KVM: s390: vsie: Add helper reset_vsie_page() and unshadow_intercept() Christoph Schlameuss
2026-09-18 15:25   ` sashiko-bot
2026-09-23 12:58   ` Janosch Frank
2026-09-18 15:09 ` [PATCH v7 12/21] KVM: s390: vsie: Add helper unshadow_intercept() Christoph Schlameuss
2026-09-18 15:27   ` sashiko-bot
2026-09-23 14:04   ` Janosch Frank
2026-09-18 15:09 ` [PATCH v7 13/21] KVM: s390: vsie: Lazily keep original scb pinned after vsie exit Christoph Schlameuss
2026-09-18 15:34   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 14/21] KVM: s390: vsie: Add helper to pin and unpin multiple guest pages Christoph Schlameuss
2026-09-18 15:31   ` sashiko-bot
2026-09-24 12:46   ` Janosch Frank
2026-09-18 15:09 ` [PATCH v7 15/21] KVM: s390: vsie: Add struct vsie_sca with pin and unpin methods Christoph Schlameuss
2026-09-18 15:33   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 16/21] KVM: s390: vsie: Shadow VSIE SCA in guest-1 Christoph Schlameuss
2026-09-18 15:41   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 17/21] KVM: s390: vsie: Allow guest-3 cpu add and remove with ssca Christoph Schlameuss
2026-09-18 15:41   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 18/21] KVM: s390: vsie: Add VSIE max shadow configuration Christoph Schlameuss
2026-09-18 15:45   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 19/21] KVM: s390: vsie: Add VSIE shadow stat counters Christoph Schlameuss
2026-09-18 15:39   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 20/21] KVM: s390: vsie: Create minimal scb shadows for not running g3 blocks Christoph Schlameuss
2026-09-18 15:50   ` sashiko-bot
2026-09-18 15:09 ` [PATCH v7 21/21] KVM: s390: vsie: Enable use of VSIE SSCA Christoph Schlameuss
2026-09-18 15:53   ` sashiko-bot

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