From: Randy Dunlap <rdunlap@infradead.org>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Conor Dooley <conor@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-cxl@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
Dan Williams <dan.j.williams@intel.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>, Drew Fustini <fustini@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Krzysztof Kozlowski <krzk@kernel.org>
Cc: james.morse@arm.com, Will Deacon <will@kernel.org>,
Davidlohr Bueso <dave@stgolabs.net>,
linuxarm@huawei.com, Yushan Wang <wangyushan12@huawei.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, Andy Lutomirski <luto@kernel.org>,
Dave Jiang <dave.jiang@intel.com>
Subject: Re: [PATCH v6 3/7] lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
Date: Mon, 17 Nov 2025 10:51:11 -0800 [thread overview]
Message-ID: <3bf1793a-2ffd-4017-b4bf-dc63f3a2a7c8@infradead.org> (raw)
In-Reply-To: <20251117104800.2041329-4-Jonathan.Cameron@huawei.com>
Hi,
On 11/17/25 2:47 AM, Jonathan Cameron wrote:
> diff --git a/lib/Kconfig b/lib/Kconfig
> index e629449dd2a3..e11136d188ae 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -542,6 +542,10 @@ config MEMREGION
> config ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
> bool
>
> +config GENERIC_CPU_CACHE_MAINTENANCE
> + bool
> + select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
> +
> config ARCH_HAS_MEMREMAP_COMPAT_ALIGN
> bool
Architectures and/or platforms select ARCH_HAS_*.
With this change above, it becomes the only entry in
lib/Kconfig that does "select ARCH_HAS_anytning".
so I think this is wrong, back*wards.
--
~Randy
next prev parent reply other threads:[~2025-11-17 18:51 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 10:47 [PATCH v6 0/7] Cache coherency management subsystem Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 1/7] memregion: Drop unused IORES_DESC_* parameter from cpu_cache_invalidate_memregion() Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 2/7] memregion: Support fine grained invalidate by cpu_cache_invalidate_memregion() Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 3/7] lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION Jonathan Cameron
2025-11-17 18:51 ` Randy Dunlap [this message]
2025-11-18 0:13 ` Conor Dooley
2025-11-18 9:30 ` Jonathan Cameron
2025-11-19 1:18 ` Randy Dunlap
2025-11-19 9:42 ` Jonathan Cameron
2025-11-19 18:44 ` Conor Dooley
2025-11-20 9:55 ` Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 4/7] arm64: Select GENERIC_CPU_CACHE_MAINTENANCE Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 5/7] MAINTAINERS: Add Jonathan Cameron to drivers/cache and add lib/cache_maint.c + header Jonathan Cameron
2025-11-17 10:47 ` [PATCH v6 6/7] cache: Make top level Kconfig menu a boolean dependent on RISCV Jonathan Cameron
2025-11-17 10:48 ` [PATCH v6 7/7] cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent Jonathan Cameron
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