From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Stanley Chu <stanley.chuys@gmail.com>
Cc: frank.li@nxp.com, alexandre.belloni@bootlin.com,
linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org,
tomer.maimon@nuvoton.com, kwliu@nuvoton.com, yschu@nuvoton.com
Subject: Re: [PATCH v1 0/2] svc-i3c-master: Reduce IBI transaction time
Date: Tue, 15 Apr 2025 10:31:18 +0200 [thread overview]
Message-ID: <87ikn5ygfd.fsf@bootlin.com> (raw)
In-Reply-To: <20250415051808.88091-1-yschu@nuvoton.com> (Stanley Chu's message of "Tue, 15 Apr 2025 13:18:06 +0800")
On 15/04/2025 at 13:18:06 +08, Stanley Chu <stanley.chuys@gmail.com> wrote:
> This patchset reduces the IBI transaction time by the following
> improvements.
> 1. Receive the request in interrupt context.
I initially had a few concerns about that, especially since the wait
periods were bounded to 1s, but actually we are already in the irqsave
situation when running this code, so your series might not have
such a huge system-wide performance impact in the end.
> 2. Emit the STOP as soon as possible.
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Thanks,
Miquèl
next prev parent reply other threads:[~2025-04-15 8:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-15 5:18 [PATCH v1 0/2] svc-i3c-master: Reduce IBI transaction time Stanley Chu
2025-04-15 5:18 ` [PATCH v1 1/2] i3c: master: svc: Receive IBI requests in interrupt context Stanley Chu
2025-04-15 16:14 ` Frank Li
2025-04-15 5:18 ` [PATCH v1 2/2] i3c: master: svc: Emit STOP asap in the IBI transaction Stanley Chu
2025-04-15 16:15 ` Frank Li
2025-04-15 8:31 ` Miquel Raynal [this message]
2025-04-18 7:39 ` [PATCH v1 0/2] svc-i3c-master: Reduce IBI transaction time Stanley Chu
2025-05-15 9:54 ` Alexandre Belloni
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