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Peter Anvin" , Peter Zijlstra , Andrew Morton , Arnd Bergmann , Drew Fustini , Linus Walleij , Alexandre Belloni , Krzysztof Kozlowski Cc: james.morse@arm.com, Will Deacon , Davidlohr Bueso , linuxarm@huawei.com, Yushan Wang , Lorenzo Pieralisi , Mark Rutland , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, Andy Lutomirski , Dave Jiang References: <20251117104800.2041329-1-Jonathan.Cameron@huawei.com> <20251117104800.2041329-4-Jonathan.Cameron@huawei.com> Content-Language: en-US From: Randy Dunlap In-Reply-To: <20251117104800.2041329-4-Jonathan.Cameron@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: E0AAE40011 X-Stat-Signature: wkwc17e3qkcpkay6jfxp5y5my8zhgaws X-Rspam-User: X-HE-Tag: 1763405475-786278 X-HE-Meta: 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 q+fhNuJB 7IouIgES7zuuwka1otWXJu86i7C7f7LcnaA4uKJwbJPTXEH/oXsUiZmtuG9CEFhopUIMPL99b22WxR+/wiyGvnLiMQCaW+XEX2z5xvPfDt93qx2zDRXey/azolss+PZEY15R6VREIEbFAcnkufIXSC4TGEC4XtviU+W7MOVVUzQetffV/bDmo/c+w0iS975pz/D80F7LQoxDA77Oq+/xd11PMdoDR1qFCeqGqCP3Hg+ZEGmhBVSageBgGgLYjFElvCn0AHexox11X1WzbnfFFsGr/kxZIF8U4ZJemipM+Yc0wsmfekvcdJrBAxLmE9LgA5dF9zx+I26xMfuf091Fe+Dm9sw== 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 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