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,
gregkh@linuxfoundation.org, Will Deacon <will@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
Davidlohr Bueso <dave@stgolabs.net>
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, H Peter Anvin <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v2 6/8] cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent
Date: Tue, 24 Jun 2025 10:18:41 -0700 [thread overview]
Message-ID: <037f1ba1-ead1-4627-b464-39f1a8010d3f@infradead.org> (raw)
In-Reply-To: <20250624154805.66985-7-Jonathan.Cameron@huawei.com>
Hi--
On 6/24/25 8:48 AM, Jonathan Cameron wrote:
> diff --git a/drivers/cache/Kconfig b/drivers/cache/Kconfig
> index bedc51bea1d1..0ed87f25bd69 100644
> --- a/drivers/cache/Kconfig
> +++ b/drivers/cache/Kconfig
> @@ -10,6 +10,20 @@ config CACHE_COHERENCY_SUBSYSTEM
> kernel subsystems to issue invalidations and similar coherency
> operations.
>
> +if CACHE_COHERENCY_SUBSYSTEM
> +
> +config HISI_SOC_HHA
> + tristate "HiSilicon Hydra Home Agent (HHA) device driver"
> + depends on (ARM64 && ACPI) || COMPILE_TEST
> + help
> + The Hydra Home Agent (HHA) is responsible of cache coherency
for cache coherency
> + on SoC. This drivers provides cache maintenance functions of HHA.
on the SoC.
> +
> + This driver can be built as a module. If so, the module will be
> + called hisi_soc_hha.
> +
> +endif
--
~Randy
next prev parent reply other threads:[~2025-06-24 17:18 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 15:47 [PATCH v2 0/8] Cache coherency management subsystem Jonathan Cameron
2025-06-24 15:47 ` [PATCH v2 1/8] memregion: Support fine grained invalidate by cpu_cache_invalidate_memregion() Jonathan Cameron
2025-07-09 19:46 ` Davidlohr Bueso
2025-07-09 22:31 ` dan.j.williams
2025-07-11 11:54 ` Jonathan Cameron
2025-06-24 15:47 ` [PATCH v2 2/8] generic: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION Jonathan Cameron
2025-06-24 16:16 ` Greg KH
2025-06-25 16:46 ` Jonathan Cameron
2025-07-10 5:57 ` dan.j.williams
2025-07-10 6:01 ` H. Peter Anvin
2025-07-11 11:53 ` Jonathan Cameron
2025-07-11 11:52 ` Jonathan Cameron
2025-08-07 16:07 ` Jonathan Cameron
2025-06-24 15:47 ` [PATCH v2 3/8] cache: coherency core registration and instance handling Jonathan Cameron
2025-06-24 15:48 ` [PATCH v2 4/8] MAINTAINERS: Add Jonathan Cameron to drivers/cache Jonathan Cameron
2025-06-24 15:48 ` [PATCH v2 5/8] arm64: Select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION Jonathan Cameron
2025-06-25 16:21 ` kernel test robot
2025-06-28 7:10 ` kernel test robot
2025-06-24 15:48 ` [PATCH v2 6/8] cache: Support cache maintenance for HiSilicon SoC Hydra Home Agent Jonathan Cameron
2025-06-24 17:18 ` Randy Dunlap [this message]
2025-06-24 15:48 ` [RFC v2 7/8] acpi: PoC of Cache control via ACPI0019 and _DSM Jonathan Cameron
2025-06-24 15:48 ` [PATCH v2 8/8] Hack: Pretend we have PSCI 1.2 Jonathan Cameron
2025-06-25 8:52 ` [PATCH v2 0/8] Cache coherency management subsystem Peter Zijlstra
2025-06-25 9:12 ` H. Peter Anvin
2025-06-25 9:31 ` Peter Zijlstra
2025-06-25 17:03 ` Jonathan Cameron
2025-06-26 9:55 ` Jonathan Cameron
2025-07-10 5:32 ` dan.j.williams
2025-07-10 10:59 ` Peter Zijlstra
2025-07-10 18:36 ` dan.j.williams
2025-07-10 5:22 ` dan.j.williams
2025-07-10 5:31 ` H. Peter Anvin
2025-07-10 10:56 ` Peter Zijlstra
2025-07-10 18:45 ` dan.j.williams
2025-07-10 18:55 ` H. Peter Anvin
2025-07-10 19:11 ` dan.j.williams
2025-07-10 19:16 ` H. Peter Anvin
2025-07-09 19:53 ` Davidlohr Bueso
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