From: Andrew Lunn <andrew@lunn.ch>
To: Liu Wei <liuwei09@cestc.cn>
Cc: prarit@redhat.com, catalin.marinas@arm.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, will@kernel.org
Subject: Re: [PATCH V3] ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on arm64
Date: Sat, 22 Jun 2024 19:05:02 +0200 [thread overview]
Message-ID: <f706cb73-4219-47fb-a075-e591502be7c2@lunn.ch> (raw)
In-Reply-To: <20240622093521.71770-1-liuwei09@cestc.cn>
On Sat, Jun 22, 2024 at 05:35:21PM +0800, Liu Wei wrote:
> For varying privacy and security reasons, sometimes we would like to
> completely silence the serial console, and only enable it when needed.
>
> But there are many existing systems that depend on this console,
> so add acpi=nospcr for this situation.
Maybe it is just me, but i see nospcr and my brain expands it to "no
speaker". Adding to that, your commit message says "completely
silence"...
> + nospcr -- disable ACPI SPCR as default console on ARM64
> + For ARM64, ONLY "acpi=off", "acpi=on", "acpi=force" or
> + "acpi=nospcr" are available
> + For RISCV64, ONLY "acpi=off", "acpi=on" or "acpi=force"
> + are available
How about putting the word 'serial' in here somewhere, just to give
users an additional clue you are not talking about a speaker, CTRL-G
etc.
Andrew
next prev parent reply other threads:[~2024-06-22 17:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-30 1:53 [PATCH] ACPI: Do not enable ACPI SPCR console by default on arm64 Liu Wei
2024-05-30 13:06 ` Prarit Bhargava
2024-06-18 15:29 ` Will Deacon
2024-06-18 16:40 ` Sudeep Holla
2024-06-19 3:43 ` Liu Wei
2024-06-20 12:04 ` Prarit Bhargava
2024-06-21 4:37 ` Liu Wei
2024-05-31 1:52 ` Liu Wei
2024-06-21 4:47 ` [PATCH v2] ACPI: Add config to disable " Liu Wei
2024-06-21 11:26 ` Prarit Bhargava
2024-06-21 16:39 ` Liu Wei
2024-06-22 9:35 ` [PATCH V3] ACPI: Add acpi=nospcr to disable ACPI SPCR as default console " Liu Wei
2024-06-22 17:05 ` Andrew Lunn [this message]
2024-06-24 5:04 ` Liu Wei
2024-06-24 14:42 ` Will Deacon
2024-06-24 15:10 ` Andrew Lunn
2024-06-25 2:48 ` Liu Wei
2024-06-25 3:05 ` [PATCH v4] ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64 Liu Wei
2024-06-25 12:58 ` Prarit Bhargava
2024-06-26 3:07 ` Liu Wei
2024-06-26 7:54 ` Hanjun Guo
2024-07-04 16:22 ` Catalin Marinas
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