From: Mike Rapoport <rppt@kernel.org>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-mm@kvack.org, Arnd Bergmann <arnd@arndb.de>,
Andrew Morton <akpm@linux-foundation.org>,
Andreas Larsson <andreas@gaisler.com>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
"David Hildenbrand (Arm)" <david@kernel.org>,
Jason Gunthorpe <jgg@nvidia.com>,
Linus Walleij <linus.walleij@linaro.org>,
"Lorenzo Stoakes (ARM)" <ljs@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Malin Jonsson <malin.jonsson@est.tech>,
Richard Weinberger <richard@nod.at>,
Russell King <linux@armlinux.org.uk>,
linux-arm-kernel@lists.infradead.org,
linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
x86@kernel.org
Subject: Re: [PATCH v2 2/6] mm: remove ARCH_NEEDS_KMAP_HIGH_GET
Date: Thu, 12 Nov 2026 13:48:58 +0200 [thread overview]
Message-ID: <avWnqt1E9ssKQDWt@kernel.org> (raw)
In-Reply-To: <20261112112528.1116405-3-arnd@kernel.org>
On Thu, Nov 12, 2026 at 12:25:24PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> Arm has stopped setting ARCH_NEEDS_KMAP_HIGH_GET, so this
> is handled using the same wrappers across all architectures
> now, which leaves room for simplification.
>
> Replace lock_kmap()/unlock_kmap() with open-coded spinlocks
> and drop the now empty arch_kmap_local_high_get() and
> kmap_high_unmap_local() helpers.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> mm/highmem.c | 100 ++++++---------------------------------------------
> 1 file changed, 10 insertions(+), 90 deletions(-)
Nice :)
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2026-11-12 11:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 11:25 [PATCH v2 0/6] mm: highmem cleanups Arnd Bergmann
2026-11-12 11:25 ` [PATCH v2 1/6] ARM: remove support for highmem on VIVT Arnd Bergmann
2026-11-12 11:25 ` [PATCH v2 2/6] mm: remove ARCH_NEEDS_KMAP_HIGH_GET Arnd Bergmann
2026-11-12 11:48 ` Mike Rapoport [this message]
2026-11-12 11:25 ` [PATCH v2 3/6] ARM: drop CONFIG_HIGHPTE support Arnd Bergmann
2026-11-12 11:47 ` Mike Rapoport
2026-11-12 11:25 ` [PATCH v2 4/6] mm: drop HIGHPTE support altogether Arnd Bergmann
2026-11-12 11:54 ` Mike Rapoport
2026-11-12 11:25 ` [PATCH v2 5/6] arch/*: increase lowmem size to avoid highmem use Arnd Bergmann
2026-11-12 11:25 ` [PATCH v2 6/6] ARM: add CONFIG_VMSPLIT_2G_OPT option Arnd Bergmann
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