linux-kernel - Re: [PATCH v3 2/2] x86/efi: clean up dead code around efi_reserve_boot

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Message-ID: <20170724132044.GB11076@codeblueprint.co.uk>
Date:   Mon, 24 Jul 2017 14:20:44 +0100
From:   Matt Fleming <matt@...eblueprint.co.uk>
To:     Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:     Baoquan He <bhe@...hat.com>, Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org, x86@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
        izumi.taku@...fujitsu.com, Thomas Garnier <thgarnie@...gle.com>,
        fanc.fnst@...fujitsu.com, Jun'ichi Nomura <j-nomura@...jp.nec.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>
Subject: Re: [PATCH v3 2/2] x86/efi: clean up dead code around
 efi_reserve_boot_services()

On Mon, 10 Jul, at 02:51:36PM, Naoya Horiguchi wrote:
> EFI_BOOT_SERVICES_{CODE|DATA} regions never overlap the kernel now,
> so we can clean up the check in efi_reserve_boot_services().
> 
> Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> ---
>  arch/x86/platform/efi/quirks.c | 23 +----------------------
>  1 file changed, 1 insertion(+), 22 deletions(-)

Is this true for kernels not using KASLR?