linux-kernel - Re: [tip: x86/cpu] x86/xen: Move Xen upcall handler to Xen specific code files

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Message-ID: <eccb68b1-ae34-4576-8f98-2cd9b2b2de0b@suse.com>
Date: Fri, 14 Mar 2025 11:14:34 +0100
From: Jürgen Groß <jgross@...e.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-tip-commits@...r.kernel.org,
 Brian Gerst <brgerst@...il.com>, Sohil Mehta <sohil.mehta@...el.com>,
 Andy Lutomirski <luto@...nel.org>, "H. Peter Anvin" <hpa@...or.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org
Subject: Re: [tip: x86/cpu] x86/xen: Move Xen upcall handler to Xen specific
 code files

On 14.03.25 11:08, Ingo Molnar wrote:
> 
> * Jürgen Groß <jgross@...e.com> wrote:
> 
>> On 14.03.25 10:47, tip-bot2 for Brian Gerst wrote:
>>> The following commit has been merged into the x86/cpu branch of tip:
>>>
>>> Commit-ID:     827dc2e36172e978d6b1c701b04bee56881f54bf
>>> Gitweb:        https://git.kernel.org/tip/827dc2e36172e978d6b1c701b04bee56881f54bf
>>> Author:        Brian Gerst <brgerst@...il.com>
>>> AuthorDate:    Thu, 13 Mar 2025 14:22:32 -04:00
>>> Committer:     Ingo Molnar <mingo@...nel.org>
>>> CommitterDate: Fri, 14 Mar 2025 10:32:51 +01:00
>>>
>>> x86/xen: Move Xen upcall handler to Xen specific code files
>>>
>>> Move the upcall handler to Xen-specific files.
>>>
>>> No functional changes.
>>>
>>> Signed-off-by: Brian Gerst <brgerst@...il.com>
>>> Signed-off-by: Ingo Molnar <mingo@...nel.org>
>>> Reviewed-by: Sohil Mehta <sohil.mehta@...el.com>
>>> Cc: Andy Lutomirski <luto@...nel.org>
>>> Cc: Juergen Gross <jgross@...e.com>
>>> Cc: H. Peter Anvin <hpa@...or.com>
>>> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
>>> Cc: Josh Poimboeuf <jpoimboe@...hat.com>
>>> Link: https://lore.kernel.org/r/20250313182236.655724-2-brgerst@gmail.com
>>
>> Why do I even request changes if such a request is being ignored?
> 
> I missed your mail, sorry.
> 
>> Please note that my request wasn't about something which should be
>> handled in a followup patch. I was asking to NOT move the code into
>> multiple files, but to keep it in one file as it was originally.
> 
> I agree with you that this code looks better in enlighten_pv.c, but
> there's no reason to keep arch/x86/entry/common.c, agreed?

Absolutely.

> 
> I've rolled back these changes and will wait for -v2.

Thanks


Juergen

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