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Received: from [50.53.43.113] (helo=[192.168.254.34]) by bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vMg0Y-00000009HED-3nNK; Sat, 22 Nov 2025 05:18:02 +0000 Message-ID: <4807417b-a8f7-47a3-b38a-94ea7bdbf775@infradead.org> Date: Fri, 21 Nov 2025 21:18:01 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v13 1/2] ACPI:RAS2: Add driver for the ACPI RAS2 feature table To: shiju.jose@huawei.com, rafael@kernel.org, bp@alien8.de, akpm@linux-foundation.org, rppt@kernel.org, dferguson@amperecomputing.com, linux-edac@vger.kernel.org, linux-acpi@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, tony.luck@intel.com, lenb@kernel.org, leo.duran@amd.com, Yazen.Ghannam@amd.com, mchehab@kernel.org Cc: jonathan.cameron@huawei.com, linuxarm@huawei.com, rientjes@google.com, jiaqiyan@google.com, Jon.Grimm@amd.com, dave.hansen@linux.intel.com, naoya.horiguchi@nec.com, james.morse@arm.com, jthoughton@google.com, somasundaram.a@hpe.com, erdemaktas@google.com, pgonda@google.com, duenwen@google.com, gthelen@google.com, wschwartz@amperecomputing.com, wbs@os.amperecomputing.com, nifan.cxl@gmail.com, tanxiaofei@huawei.com, prime.zeng@hisilicon.com, roberto.sassu@huawei.com, kangkang.shen@futurewei.com, wanghuiqiang@huawei.com References: <20251121182825.237-1-shiju.jose@huawei.com> <20251121182825.237-2-shiju.jose@huawei.com> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20251121182825.237-2-shiju.jose@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 21BFB180009 X-Stat-Signature: 6st6x3k59ax8tbdupdkqgp7b8xy5qyua X-Rspam-User: X-HE-Tag: 1763788694-606714 X-HE-Meta: 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 AzzzO+wF mvlt0u5nLjuQvc7Ny5Cgmx9pEAyXbkLNyu8Dd1OElVfAGVcqdqe1idPvgSjCKmpDix9PsGPJj/sxAqtSyQft6PgkLtauaSW01ru+7GzALOK6Dyav4UT0usCUsgfcYtxJ2xdvYXq7A7uVg9UoacucdepKu3IgsvDxD1Gf0oYcgt7acV1fPNxskek6vIIfux1WjLISMGo2QuKxv6FU47umpFGv/9N30Bbl9ZWLkhhv00CJTa1STthXl8/C5WtVq6oiaMJeoZ+z+XAB7pnTlprKR14xr+9TgI9v3uReHNkuC92fmAS+lTIGHwkpJ5K/9sdhM0SiRS1B/ITWkoxbyNn9aGiJORH9+fwq1k8Gqz2GlB44N+dX6CfgvQSODg1jhXafXKL2vOa18AYWbO0Q= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 11/21/25 10:28 AM, shiju.jose@huawei.com wrote: > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig > index ca00a5dbcf75..bfa9f3f4def5 100644 > --- a/drivers/acpi/Kconfig > +++ b/drivers/acpi/Kconfig > @@ -293,6 +293,18 @@ config ACPI_CPPC_LIB > If your platform does not support CPPC in firmware, > leave this option disabled. > > +config ACPI_RAS2 > + bool "ACPI RAS2 driver" > + select AUXILIARY_BUS > + select MAILBOX > + select PCC > + depends on NUMA_KEEP_MEMINFO > + help > + This driver adds support for RAS2 feature table provides interfaces > + for platform RAS features, for eg. HW-based memory scrubbing. features, e.g., for HW-based > + If your platform does not support RAS2 in firmware, leave this > + option disabled. -- ~Randy