From: Conor Dooley <conor@kernel.org>
To: Conor Dooley <conor@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Samuel Holland <samuel.holland@sifive.com>
Cc: Conor Dooley <conor.dooley@microchip.com>,
linmin@eswincomputing.com,
Pinkesh Vaghela <pinkesh.vaghela@einfochips.com>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cache: sifive_ccache: Optimize cache flushes
Date: Thu, 11 Sep 2025 19:24:06 +0100 [thread overview]
Message-ID: <20250911-moonscape-bulk-cd1312329fa1@spud> (raw)
In-Reply-To: <20250909224131.276800-1-samuel.holland@sifive.com>
From: Conor Dooley <conor.dooley@microchip.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.
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prev parent reply other threads:[~2025-09-11 18:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-09 22:41 [PATCH] cache: sifive_ccache: Optimize cache flushes Samuel Holland
2025-09-11 18:24 ` Conor Dooley [this message]
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