linux-kernel - Re: [PATCH v1 05/36] wireguard: selftests: remove CONFIG_SPARSEMEM

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Message-ID: <faqp5sdyrkcaatjsnvoxssck7l2qf2e7kivuepobmc5zdg4mnl@b5ie7764mkqi>
Date: Thu, 28 Aug 2025 20:29:12 -0400
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org,
        "Mike Rapoport (Microsoft)" <rppt@...nel.org>,
        "Jason A. Donenfeld" <Jason@...c4.com>, Shuah Khan <shuah@...nel.org>,
        Alexander Potapenko <glider@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Brendan Jackman <jackmanb@...gle.com>,
        Christoph Lameter <cl@...two.org>, Dennis Zhou <dennis@...nel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>, dri-devel@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, iommu@...ts.linux.dev,
        io-uring@...r.kernel.org, Jason Gunthorpe <jgg@...dia.com>,
        Jens Axboe <axboe@...nel.dk>, Johannes Weiner <hannes@...xchg.org>,
        John Hubbard <jhubbard@...dia.com>, kasan-dev@...glegroups.com,
        kvm@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-arm-kernel@...s.com, linux-arm-kernel@...ts.infradead.org,
        linux-crypto@...r.kernel.org, linux-ide@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mm@...ck.org,
        linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-scsi@...r.kernel.org,
        Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
        Marco Elver <elver@...gle.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Michal Hocko <mhocko@...e.com>, Muchun Song <muchun.song@...ux.dev>,
        netdev@...r.kernel.org, Oscar Salvador <osalvador@...e.de>,
        Peter Xu <peterx@...hat.com>, Robin Murphy <robin.murphy@....com>,
        Suren Baghdasaryan <surenb@...gle.com>, Tejun Heo <tj@...nel.org>,
        virtualization@...ts.linux.dev, Vlastimil Babka <vbabka@...e.cz>,
        wireguard@...ts.zx2c4.com, x86@...nel.org, Zi Yan <ziy@...dia.com>
Subject: Re: [PATCH v1 05/36] wireguard: selftests: remove
 CONFIG_SPARSEMEM_VMEMMAP=y from qemu kernel config

* David Hildenbrand <david@...hat.com> [250827 18:04]:
> It's no longer user-selectable (and the default was already "y"), so
> let's just drop it.
> 
> It was never really relevant to the wireguard selftests either way.
> 
> Acked-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
> Cc: "Jason A. Donenfeld" <Jason@...c4.com>
> Cc: Shuah Khan <shuah@...nel.org>
> Signed-off-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Liam R. Howlett <Liam.Howlett@...cle.com>

> ---
>  tools/testing/selftests/wireguard/qemu/kernel.config | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/wireguard/qemu/kernel.config b/tools/testing/selftests/wireguard/qemu/kernel.config
> index 0a5381717e9f4..1149289f4b30f 100644
> --- a/tools/testing/selftests/wireguard/qemu/kernel.config
> +++ b/tools/testing/selftests/wireguard/qemu/kernel.config
> @@ -48,7 +48,6 @@ CONFIG_JUMP_LABEL=y
>  CONFIG_FUTEX=y
>  CONFIG_SHMEM=y
>  CONFIG_SLUB=y
> -CONFIG_SPARSEMEM_VMEMMAP=y
>  CONFIG_SMP=y
>  CONFIG_SCHED_SMT=y
>  CONFIG_SCHED_MC=y
> -- 
> 2.50.1
> 
>