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From: Brian Gerst <brgerst@gmail.com>
To: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Andy Lutomirski <luto@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v2 1/4] x86/xen: remove 32-bit Xen PV guest support
Date: Wed, 1 Jul 2020 12:33:56 -0400
Message-ID: <CAMzpN2iuwv=05vpxeP6eyVqEH9_093gDtDV3QAXYQ2QrucznBQ@mail.gmail.com> (raw)
In-Reply-To: <20200701110650.16172-2-jgross@suse.com>

On Wed, Jul 1, 2020 at 7:08 AM Juergen Gross <jgross@suse.com> wrote:
>
> Xen is requiring 64-bit machines today and since Xen 4.14 it can be
> built without 32-bit PV guest support. There is no need to carry the
> burden of 32-bit PV guest support in the kernel any longer, as new
> guests can be either HVM or PVH, or they can use a 64 bit kernel.
>
> Remove the 32-bit Xen PV support from the kernel.

If you send a v3, it would be better to split the move of the 64-bit
code into xen-asm.S into a separate patch.

--
Brian Gerst


  reply index

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01 11:06 [PATCH v2 0/4] Remove " Juergen Gross
2020-07-01 11:06 ` [PATCH v2 1/4] x86/xen: remove " Juergen Gross
2020-07-01 16:33   ` Brian Gerst [this message]
2020-07-02 22:59   ` Boris Ostrovsky
2020-07-02 23:24     ` Andrew Cooper
2020-07-02 23:27       ` Boris Ostrovsky
2020-07-03  5:15     ` Jürgen Groß
2020-07-01 11:06 ` [PATCH v2 2/4] x86/paravirt: remove 32-bit support from PARAVIRT_XXL Juergen Gross
2020-07-01 11:06 ` [PATCH v2 3/4] x86/paravirt: cleanup paravirt macros Juergen Gross
2020-07-01 11:06 ` [PATCH v2 4/4] x86/paravirt: use CONFIG_PARAVIRT_XXL instead of CONFIG_PARAVIRT Juergen Gross
2020-07-02  8:18 ` [PATCH v2 0/4] Remove 32-bit Xen PV guest support Peter Zijlstra
2020-07-02 14:48 ` Brian Gerst
2020-07-02 15:45   ` Jürgen Groß

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