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Message-ID: <88031c06-ebef-8290-fa0b-695859c1a40e@suse.com>
Date: Mon, 6 Jul 2020 06:15:35 +0200
From: Jürgen Groß <jgross@...e.com>
To: Andy Lutomirski <luto@...capital.net>, linux-kernel@...r.kernel.org
Cc: linux-tip-commits@...r.kernel.org,
Andy Lutomirski <luto@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
"Peter Zijlstra (Intel)" <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>, x86 <x86@...nel.org>
Subject: Re: [tip: x86/urgent] x86/entry/32: Fix XEN_PV build dependency
On 05.07.20 22:24, Andy Lutomirski wrote:
>
>
>> On Jul 5, 2020, at 12:44 PM, tip-bot2 for Ingo Molnar <tip-bot2@...utronix.de> wrote:
>>
>> The following commit has been merged into the x86/urgent branch of tip:
>>
>> Commit-ID: a4c0e91d1d65bc58f928b80ed824e10e165da22c
>> Gitweb: https://git.kernel.org/tip/a4c0e91d1d65bc58f928b80ed824e10e165da22c
>> Author: Ingo Molnar <mingo@...nel.org>
>> AuthorDate: Sun, 05 Jul 2020 21:33:11 +02:00
>> Committer: Ingo Molnar <mingo@...nel.org>
>> CommitterDate: Sun, 05 Jul 2020 21:39:23 +02:00
>>
>> x86/entry/32: Fix XEN_PV build dependency
>>
>> xenpv_exc_nmi() and xenpv_exc_debug() are only defined on 64-bit kernels,
>> but they snuck into the 32-bit build via <asm/identry.h>, causing the link
>> to fail:
>>
>> ld: arch/x86/entry/entry_32.o: in function `asm_xenpv_exc_nmi':
>> (.entry.text+0x817): undefined reference to `xenpv_exc_nmi'
>>
>> ld: arch/x86/entry/entry_32.o: in function `asm_xenpv_exc_debug':
>> (.entry.text+0x827): undefined reference to `xenpv_exc_debug'
>>
>> Only use them on 64-bit kernels.
>
> Jürgen, can you queue a revert for when PV32 goes away?
Yes, will do.
Juergen
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