linux-kernel - Re: [PATCH] x86/reboot: Use efi reboot for Acer TravelMate X514-51T

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Message-ID: <alpine.DEB.2.21.1904052311370.1802@nanos.tec.linutronix.de>
Date:   Fri, 5 Apr 2019 23:13:57 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Jian-Hong Pan <jian-hong@...lessm.com>
cc:     Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org, linux@...lessm.com,
        Daniel Drake <drake@...lessm.com>
Subject: Re: [PATCH] x86/reboot: Use efi reboot for Acer TravelMate
 X514-51T

On Mon, 1 Apr 2019, Jian-Hong Pan wrote:
> +/*
> + * Some machines require the "reboot=e" commandline options
> + */
> +static int __init set_efi_reboot(const struct dmi_system_id *d)
> +{
> +	if (reboot_type != BOOT_EFI) {
> +		reboot_type = BOOT_EFI;

So if EFI is disabled in the kernel this will fall through to BOOT_BIOS. Is
that intended behaviour?

> +		pr_info("%s series board detected. Selecting %s-method for reboot.\n",
> +			d->ident, "EFI");

Is thee a reason not to write "EFI" in the string itself?

Thanks,

	tglx