linux-kernel - Re: [PATCH v3 01/21] x86/paravirt: Remove not needed includes of paravirt.h

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Message-ID: <20251124133858.GFaSRf8rU6w3Tf3wU_@fat_crate.local>
Date: Mon, 24 Nov 2025 14:38:58 +0100
From: Borislav Petkov <bp@...en8.de>
To: Juergen Gross <jgross@...e.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org,
	linux-hyperv@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Will Deacon <will@...nel.org>, Boqun Feng <boqun.feng@...il.com>,
	Waiman Long <longman@...hat.com>, Jiri Kosina <jikos@...nel.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v3 01/21] x86/paravirt: Remove not needed includes of
 paravirt.h

On Mon, Oct 06, 2025 at 09:45:46AM +0200, Juergen Gross wrote:
> In some places asm/paravirt.h is included without really being needed.

Except they are:

$ make allnoconfig
$ rebuild-kernel.sh
...

arch/x86/kernel/x86_init.c:90:43: error: ‘default_banner’ undeclared here (not in a function)
   90 |                 .banner                 = default_banner,
      |                                           ^~~~~~~~~~~~~~
make[4]: *** [scripts/Makefile.build:287: arch/x86/kernel/x86_init.o] Error 1
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [scripts/Makefile.build:556: arch/x86/kernel] Error 2
make[2]: *** [scripts/Makefile.build:556: arch/x86] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/mnt/kernel/kernel/linux/Makefile:2010: .] Error 2
make: *** [Makefile:248: __sub-make] Error 2

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette