linux-kernel - Re: EFI reboot vs. ACPI reboot (was: Re: [tip:x86/urgent] x86/reboot, efi: Use EFI reboot for Acer TravelMate X514-51T)

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Message-ID: <20190417182341.GA5140@gmail.com>
Date:   Wed, 17 Apr 2019 20:23:41 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@...el.com>
Cc:     Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Daniel Drake <drake@...lessm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Jian-Hong Pan <jian-hong@...lessm.com>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        linux-efi <linux-efi@...r.kernel.org>,
        "Brown, Len" <len.brown@...el.com>,
        "linux-tip-commits@...r.kernel.org" 
        <linux-tip-commits@...r.kernel.org>,
        Endless Linux Upstreaming Team <linux@...lessm.com>
Subject: Re: EFI reboot vs. ACPI reboot (was: Re: [tip:x86/urgent]
 x86/reboot, efi: Use EFI reboot for Acer TravelMate X514-51T)


* Prakhya, Sai Praneeth <sai.praneeth.prakhya@...el.com> wrote:

> I will ask around internally to check if it is a good idea to make EFI 
> reboot the default method when the machine is booted in EFI mode.

Or whether there's some robust signature that indicates "modern EFI 
system where EFI reboot is the primary method"?

Major EFI version or ACPI version or such?

Thanks,

	Ingo