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From: Ingo Molnar <mingo@kernel.org>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: kstewart@linuxfoundation.org, andrea.parri@amarulasolutions.com,
	linux-efi@vger.kernel.org, brijesh.singh@amd.com,
	jan.kiszka@siemens.com, jpoimboe@redhat.com, will.deacon@arm.com,
	jarkko.sakkinen@linux.intel.com,
	virtualization@lists.linux-foundation.org,
	yamada.masahiro@socionext.com, manojgupta@google.com,
	hpa@zytor.com, boris.ostrovsky@oracle.com, tweek@google.com,
	mawilcox@microsoft.com, x86@kernel.org, akataria@vmware.com,
	ghackmann@google.com, mingo@redhat.com, astrachan@google.com,
	rientjes@google.com, geert@linux-m68k.org,
	thomas.lendacky@amd.com, arnd@arndb.de,
	linux-kbuild@vger.kernel.org, pombredanne@nexb.com,
	rostedt@goodmis.org, acme@redhat.com, caoj.fnst@cn.fujitsu.com,
	aryabinin@virtuozzo.com, sedat.dilek@gmail.com,
	tglx@linutronix.de, jgross@suse.com, michal.lkml@markovi.net,
	tstellar@redhat.com, gregkh@linuxfoundation.org,
	mka@chromium.org, ard.bieshe
Subject: Re: [PATCH v6 3/3] x86: paravirt: make native_save_fl extern inline
Date: Fri, 22 Jun 2018 04:24:02 +0200	[thread overview]
Message-ID: <20180622022402.GA24194@gmail.com> (raw)
In-Reply-To: <20180621162324.36656-4-ndesaulniers@google.com>


* Nick Desaulniers <ndesaulniers@google.com> wrote:

> native_save_fl() is marked static inline, but by using it as
> a function pointer in arch/x86/kernel/paravirt.c, it MUST be outlined.

> --- a/arch/x86/include/asm/irqflags.h
> +++ b/arch/x86/include/asm/irqflags.h
> @@ -13,7 +13,7 @@
>   * Interrupt control:
>   */
>  
> -static inline unsigned long native_save_fl(void)
> +extern inline unsigned long native_save_fl(void)
>  {
>  	unsigned long flags;
>  

What's the code generation effect of this on say a defconfig kernel vmlinux with 
paravirt enabled?

Thanks,

	Ingo

       reply	other threads:[~2018-06-22  2:24 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180621162324.36656-1-ndesaulniers@google.com>
     [not found] ` <20180621162324.36656-4-ndesaulniers@google.com>
2018-06-22  2:24   ` Ingo Molnar [this message]
     [not found]     ` <CAKwvOdn5gnB5cK=cy6weKyxAn4SNEdZTT_MtT_D_nHRG5EDZ4g@mail.gmail.com>
2018-06-26  7:13       ` [PATCH v6 3/3] x86: paravirt: make native_save_fl extern inline Ingo Molnar
     [not found]         ` <CAKwvOdnW9r=pgmodEL0VXCv=PZVt_WMCA+B5x4D5oKRM1y-0Ow@mail.gmail.com>
2018-07-03  7:21           ` Juergen Gross
2018-07-13 10:16   ` David Laight
     [not found]     ` <CAKwvOdmFVnSos71vAUnayuocBDhxLg76tvGF0y3sj+4+s7TCcw@mail.gmail.com>
2018-07-17  8:44       ` David Laight

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