linux-kernel - Re: [PATCH 02/10] x86, asm: use bool for bitops and other assembly outputs

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Message-ID: <2074cf4f-2074-98be-809f-3bc33db8169a@zytor.com>
Date:	Wed, 8 Jun 2016 01:58:42 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH 02/10] x86, asm: use bool for bitops and other assembly
 outputs

On 06/08/16 01:28, Ingo Molnar wrote:
> 
> It does matter:
> 
>  In file included from arch/x86/kernel/cpu/common.c:21:0:
>  ./arch/x86/include/asm/archrandom.h:95:20: error: redefinition of ‘arch_get_random_long’
>  static inline bool arch_get_random_long(unsigned long *v)
>  In file included from ./arch/x86/include/asm/stackprotector.h:43:0,
>  include/linux/random.h:98:20: note: previous definition of ‘arch_get_random_long’ was here
> 

Actually this is an indication of a major bug, quite possibly
pre-existing; we somehow are trying to include both the stub and the
non-stub version of arch_get_random_long(), which is an obvious no-no.
I will look at it in the morning (02:00 here.)

	-hpa