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Tue, 24 Jun 2025 17:50:43 +0200 From: Jonathan Cameron To: Catalin Marinas , , , , , , , , Will Deacon , Dan Williams , Davidlohr Bueso CC: Yicong Yang , , Yushan Wang , Lorenzo Pieralisi , Mark Rutland , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , , H Peter Anvin , Andy Lutomirski , Peter Zijlstra Subject: [PATCH v2 5/8] arm64: Select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION Date: Tue, 24 Jun 2025 16:48:01 +0100 Message-ID: <20250624154805.66985-6-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250624154805.66985-1-Jonathan.Cameron@huawei.com> References: <20250624154805.66985-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.122.19.247] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To frapeml500008.china.huawei.com (7.182.85.71) X-Rspamd-Queue-Id: 9FF5B80007 X-Stat-Signature: jkf8c84icr8rbh8pznf1na156g3sm4ru X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1750780245-250267 X-HE-Meta: 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 I7QbWXmM yJrLCo8LBeHd+8X6pr7OCDHkkM3/dy1hOfNK1p+mS4skmWoNPHCducimPelKLozsdMCdPi8UElRH+3uV9DXgBGwt3Vm6/79tQ503mxRrZVaRQqmPBQqWTL7ytSnXemcNDEcw/C45c12hSzy496o1Ey9p/FtYLw2N5uGty6NnicbVU+DV+YDjW2A2ramW5LZTfa+DAkIFJPVeem9+KryHQWbPSRh0ZgVMo8lWA1PdVmL7FP9U= 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: Also ensure the hooks that the generic cache framework uses are available by selecting ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION. The generic CPU cache framework registers a callback which iterates over any registered cache coherency drivers to perform the requested flush. Signed-off-by: Jonathan Cameron --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 55fc331af337..9e59311d3e85 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -21,6 +21,7 @@ config ARM64 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_CACHE_LINE_SIZE select ARCH_HAS_CC_PLATFORM + select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION select ARCH_HAS_CRC32 select ARCH_HAS_CRC_T10DIF if KERNEL_MODE_NEON select ARCH_HAS_CURRENT_STACK_POINTER @@ -147,6 +148,7 @@ config ARM64 select GENERIC_ARCH_TOPOLOGY select GENERIC_CLOCKEVENTS_BROADCAST select GENERIC_CPU_AUTOPROBE + select GENERIC_CPU_CACHE_INVALIDATE_MEMREGION select GENERIC_CPU_DEVICES select GENERIC_CPU_VULNERABILITIES select GENERIC_EARLY_IOREMAP -- 2.48.1