[PATCH v3 1/5] arm64: Provide dcache_by_myline_op_nosync helper

[Catalin Marinas]

On Sun, Mar 01, 2026 at 06:12:16AM +0800, Barry Song wrote:
> From: Barry Song <baohua at kernel.org>
> 
> dcache_by_myline_op ensures completion of the data cache operations for a
> region, while dcache_by_myline_op_nosync only issues them without waiting.
> This enables deferred synchronization so completion for multiple regions
> can be handled together later.
> 
> Cc: Leon Romanovsky <leon at kernel.org>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: Marek Szyprowski <m.szyprowski at samsung.com>
> Cc: Robin Murphy <robin.murphy at arm.com>
> Cc: Ada Couprie Diaz <ada.coupriediaz at arm.com>
> Cc: Ard Biesheuvel <ardb at kernel.org>
> Cc: Marc Zyngier <maz at kernel.org>
> Cc: Anshuman Khandual <anshuman.khandual at arm.com>
> Cc: Ryan Roberts <ryan.roberts at arm.com>
> Cc: Suren Baghdasaryan <surenb at google.com>
> Cc: Tangquan Zheng <zhengtangquan at oppo.com>
> Tested-by: Xueyuan Chen <xueyuan.chen21 at gmail.com>
> Signed-off-by: Barry Song <baohua at kernel.org>

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>