linux-kernel - Re: [PATCH] cache: sifive_ccache: Optimize cache flushes

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Message-ID: <20250911-moonscape-bulk-cd1312329fa1@spud>
Date: Thu, 11 Sep 2025 19:24:06 +0100
From: Conor Dooley <conor@...nel.org>
To: Conor Dooley <conor@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Samuel Holland <samuel.holland@...ive.com>
Cc: Conor Dooley <conor.dooley@...rochip.com>,
	linmin@...incomputing.com,
	Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cache: sifive_ccache: Optimize cache flushes

From: Conor Dooley <conor.dooley@...rochip.com>

On Tue, 09 Sep 2025 15:41:27 -0700, Samuel Holland wrote:
> Fence instructions are required only at the beginning and the end of
> a flush operation, not separately for each cache line being flushed.
> Speed up cache flushes by about 15% by removing the extra fences.
> 
> 

Applied to riscv-cache-for-next, thanks!

[1/1] cache: sifive_ccache: Optimize cache flushes
      https://git.kernel.org/conor/c/941327ca5ddd

Thanks,
Conor.