linux-kernel - Re: [tip:x86/urgent] x86/vdso: Discard the __bug

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Message-ID: <53A9C391.6030409@zytor.com>
Date:	Tue, 24 Jun 2014 11:29:37 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...nel.org>, luto@...capital.net,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	hpa@...ux.intel.com
CC:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/urgent] x86/vdso: Discard the __bug_table section

On 06/22/2014 01:47 AM, Ingo Molnar wrote:
> 
> * tip-bot for Andy Lutomirski <tipbot@...or.com> wrote:
> 
>> Commit-ID:  5f56e7167e6d438324fcba87018255d81e201383
>> Gitweb:     http://git.kernel.org/tip/5f56e7167e6d438324fcba87018255d81e201383
>> Author:     Andy Lutomirski <luto@...capital.net>
>> AuthorDate: Wed, 18 Jun 2014 15:59:46 -0700
>> Committer:  H. Peter Anvin <hpa@...ux.intel.com>
>> CommitDate: Thu, 19 Jun 2014 15:44:51 -0700
>>
>> x86/vdso: Discard the __bug_table section
>>
>> It serves no purpose in user code.
>>
>> Signed-off-by: Andy Lutomirski <luto@...capital.net>
>> Link: http://lkml.kernel.org/r/2a5bebff42defd8a5e81d96f7dc00f21143c80e8.1403129369.git.luto@amacapital.net
>> Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
>> ---
>>  arch/x86/vdso/vdso-layout.lds.S | 1 +
>>  1 file changed, 1 insertion(+)
> 
> One of the recent x86/urgent vdso commits causes this build failure:
> 
>  Error: too many copied sections (max = 13)
>  make[2]: *** [arch/x86/vdso/vdso-image-64.c] Error 1
>  make[1]: *** [arch/x86/vdso] Error 2
>  make: *** [arch/x86] Error 2
> 
> with the attached config.
> 

Hi Ingo,

Could you try this with the attached patch?

	-hpa



View attachment "0001-x86-vdso-Make-vdso2c-print-the-number-of-sections-ne.patch" of type "text/x-patch" (1311 bytes)