linux-kernel - Re: [PATCH -v2 2/2] x86, cpu hotplug: Fix cpu bringup concurrency issue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4C6C2E85.9050401@zytor.com>
Date:	Wed, 18 Aug 2010 12:03:33 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...64.org>
CC:	Joerg Roedel <joro@...tes.org>,
	"Roedel, Joerg" <Joerg.Roedel@....com>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"Herrmann3, Andreas" <Andreas.Herrmann3@....com>,
	"Seidel, Conny" <Conny.Seidel@....com>,
	"Sarathy, Bhavna" <Bhavna.Sarathy@....com>,
	"greg@...ah.com" <greg@...ah.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -v2 2/2] x86, cpu hotplug: Fix cpu bringup concurrency
 issue

On 08/16/2010 05:39 AM, Borislav Petkov wrote:
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index dcb0593..1598663 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -58,6 +58,7 @@ config X86
>  	select ANON_INODES
>  	select HAVE_ARCH_KMEMCHECK
>  	select HAVE_USER_RETURN_NOTIFIER
> +	select ARCH_CPU_PROBE_RELEASE
>  

warning: (X86) selects ARCH_CPU_PROBE_RELEASE which has unmet direct
dependencies (HOTPLUG_CPU)

... and build failure when compiling without CONFIG_HOTPLUG_CPU.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/