From: Randy Dunlap <rdunlap@infradead.org>
To: Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Catalin Marinas <catalin.marinas@arm.com>,
james.morse@arm.com, linux-cxl@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
Will Deacon <will@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Davidlohr Bueso <dave@stgolabs.net>,
"H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: Yicong Yang <yangyicong@huawei.com>,
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>
Subject: Re: [PATCH v3 7/8] acpi: PoC of Cache control via ACPI0019 and _DSM
Date: Wed, 20 Aug 2025 10:07:08 -0700 [thread overview]
Message-ID: <dc829b1a-f0d5-42b8-b128-e305a1ceb32b@infradead.org> (raw)
In-Reply-To: <20250820102950.175065-8-Jonathan.Cameron@huawei.com>
Hi,
On 8/20/25 3:29 AM, Jonathan Cameron wrote:
> diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig
> index 4551b28e14dd..158d3819004e 100644
> --- a/drivers/cache/Kconfig
> +++ b/drivers/cache/Kconfig
> @@ -3,6 +3,13 @@ menu "Cache Drivers"
>
> if GENERIC_CPU_CACHE_MAINTENANCE
>
> +config ACPI_CACHE_CONTROL
> + tristate "ACPI cache maintenance"
> + depends on ARM64 && ACPI
> + help
If there is a v4, please use one tab to indent the 3 lines above.
> + ACPI0019 device ID in DSDT identifies an interface that may be used
and tab + 2 spaces to indent the 1 line above.
> + to carry out certain forms of cache flush operation.
--
~Randy
next prev parent reply other threads:[~2025-08-20 17:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-20 10:29 [PATCH v3 0/8] Cache coherency management subsystem Jonathan Cameron
2025-08-20 10:29 ` [PATCH v3 1/8] memregion: Drop unused IORES_DESC_* parameter from cpu_cache_invalidate_memregion() Jonathan Cameron
2025-08-20 10:29 ` [PATCH v3 2/8] memregion: Support fine grained invalidate by cpu_cache_invalidate_memregion() Jonathan Cameron
2025-08-20 10:29 ` [PATCH v3 3/8] lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION Jonathan Cameron
2025-08-20 17:44 ` Randy Dunlap
2025-09-03 16:25 ` Catalin Marinas
2025-08-20 10:29 ` [PATCH v3 4/8] MAINTAINERS: Add Jonathan Cameron to drivers/cache Jonathan Cameron
2025-08-20 10:29 ` [PATCH v3 5/8] arm64: Select GENERIC_CPU_CACHE_MAINTENANCE and ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION Jonathan Cameron
2025-09-03 16:25 ` Catalin Marinas
2025-08-20 10:29 ` [PATCH v3 6/8] cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent Jonathan Cameron
2025-08-20 10:29 ` [PATCH v3 7/8] acpi: PoC of Cache control via ACPI0019 and _DSM Jonathan Cameron
2025-08-20 17:07 ` Randy Dunlap [this message]
2025-08-20 10:29 ` [PATCH v3 8/8] Hack: Pretend we have PSCI 1.2 Jonathan Cameron
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