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Peter Anvin" , Peter Zijlstra Cc: Yicong Yang , linuxarm@huawei.com, Yushan Wang , Lorenzo Pieralisi , Mark Rutland , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, Andy Lutomirski References: <20250820102950.175065-1-Jonathan.Cameron@huawei.com> <20250820102950.175065-8-Jonathan.Cameron@huawei.com> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20250820102950.175065-8-Jonathan.Cameron@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 199701C0002 X-Stat-Signature: 1oti4phrssxbme755jy1q1mg1rio4kgd X-Rspam-User: X-HE-Tag: 1755709632-466969 X-HE-Meta: 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 yDQTZtHg LlxytW+si+dKvuudDhZjwuOgoEjeMOfbugmcr2F0PFlUnuInwX6hNdbzCJMSN0/LqX0cZ85PzmG1BG+cI11glgzDGeYNbQGkiS1OFv7x1LOc0dDaQm+8s7DE9ckeRX43/3PVoH9S5IYbEcZzhmd6oVTv7Jf+3aEKMuJZSyTxePRUyHcRUC5h+8YFeg8RZuUfEeWj4LR9Fq7Jcfdvcolh+hr7OCRxwVNDONH1j2RCeSGfISGZVIl2T5ATJ/i7dG0dHaJTpZq2NBRPMZIU= 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: 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