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From: Stephen Hemminger <stephen@networkplumber.org>
To: Daniel Gregory <daniel.gregory@bytedance.com>
Cc: Stanislaw Kardach <stanislaw.kardach@gmail.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Tyler Retzlaff <roretzla@linux.microsoft.com>,
	dev@dpdk.org, Liang Ma <liangma@liangbit.com>,
	Punit Agrawal <punit.agrawal@bytedance.com>
Subject: Re: [PATCH 2/2] eal/riscv: add support for zicbop extension
Date: Fri, 4 Oct 2024 18:31:58 -0700	[thread overview]
Message-ID: <20241004183158.577db34c@hermes.local> (raw)
In-Reply-To: <20240530171948.19763-3-daniel.gregory@bytedance.com>

On Thu, 30 May 2024 18:19:48 +0100
Daniel Gregory <daniel.gregory@bytedance.com> wrote:

> This new functionality is controlled by a Meson flag that is disabled by
> default. Whilst it's a hint, like rte_pause(), and so has no effect if
> the target doesn't support the extension, it requires the address
> prefetched to be loaded into a0, which may be costly.

Please just use #ifdef's against compiler version string like
other code does. Introducing a meson flag means user has to do something.
Better to have "it works right the first time".

  parent reply	other threads:[~2024-10-05  1:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-30 17:19 [PATCH 0/2] eal/riscv: implement prefetch using zicbop Daniel Gregory
2024-05-30 17:19 ` [PATCH 1/2] eal: add flag to hide generic prefetch_write Daniel Gregory
2024-05-30 17:19 ` [PATCH 2/2] eal/riscv: add support for zicbop extension Daniel Gregory
2024-05-31  8:49   ` Daniel Gregory
2024-10-05  1:31   ` Stephen Hemminger [this message]
2024-10-07  7:48   ` Stanisław Kardach
2024-07-12 17:22 ` [PATCH 0/2] eal/riscv: implement prefetch using zicbop David Marchand

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