linux-kernel - Re: [RFC PATCH 1/5] arch: Remove Itanium (IA-64) architecture

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Message-ID: <CAMj1kXHpyBrSvRVk+SyOzxFuYEWiL1uOxtdya5gXW3nbO95K5g@mail.gmail.com>
Date:   Wed, 15 Feb 2023 17:59:35 +0100
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
        Arnd Bergmann <arnd@...db.de>, Tony Luck <tony.luck@...el.com>,
        Jessica Clarke <jrtc27@...c27.com>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Matthew Wilcox <willy@...radead.org>,
        Marc Zyngier <maz@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-ia64@...r.kernel.org
Subject: Re: [RFC PATCH 1/5] arch: Remove Itanium (IA-64) architecture

On Wed, 15 Feb 2023 at 17:58, Guenter Roeck <linux@...ck-us.net> wrote:
>
> On Wed, Feb 15, 2023 at 11:00:04AM +0100, Ard Biesheuvel wrote:
> > Itanium is the original architecture for which EFI was developed, and
> > the way Linux supports it deviates significantly from other
> > architectures.
> >
> > So it is anyone's guess whether the ongoing maintenance and developement
> > of the EFI subsystem has regressed Itanium or not - QEMU no longer
> > implements support for it, and so there is zero test coverage using
> > actual hardware.
> >
> > Note that the Intel firmware team themselves already removed all IA-64
> > support from the Tianocore/EDK2 reference implementation of EFI in 2018,
> > so let's follow suit, and drop IA-64 from Linux as well.
> >
> > Acked-by: Tony Luck <tony.luck@...el.com>
> > Signed-off-by: Ard Biesheuvel <ardb@...nel.org>
>
> Trying again since the previous message bounced with "message too long".
>
> Acked-by: Guenter Roeck <linux@...ck-us.net>
>
> Sorry for the noise for anyone receiving this twice.
>

Thanks, and this is my fault really - I used the -D option to omit the
pre-images but the patch is still >100k :-(