linux-kernel - Re: [PATCH] um: Fix build error and kconfig for i386

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Date:	Wed, 23 Dec 2015 13:57:09 +0100
From:	Mickaël Salaün <mic@...ikod.net>
To:	Richard Weinberger <richard@....at>, linux-kernel@...r.kernel.org
Cc:	Jeff Dike <jdike@...toit.com>,
	user-mode-linux-devel@...ts.sourceforge.net, stable@...r.kernel.org
Subject: Re: [PATCH] um: Fix build error and kconfig for i386


On 22/12/2015 23:28, Richard Weinberger wrote:
> Am 22.12.2015 um 22:44 schrieb Mickaël Salaün:
>> Fix build error by selecting COREDUMP when X86_32 is selected:
>>
>> arch/x86/um/built-in.o: In function `elf_core_write_extra_phdrs':
>> (.text+0x3e62): undefined reference to `dump_emit'
>> arch/x86/um/built-in.o: In function `elf_core_write_extra_data':
>> (.text+0x3eef): undefined reference to `dump_emit'
>>
>> Signed-off-by: Mickaël Salaün <mic@...ikod.net>
>> Cc: Jeff Dike <jdike@...toit.com>
>> Cc: Richard Weinberger <richard@....at>
>> ---
>>  arch/x86/um/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
>> index ed56a1c4ae73..bb7cd8b38043 100644
>> --- a/arch/x86/um/Kconfig
>> +++ b/arch/x86/um/Kconfig
>> @@ -26,6 +26,7 @@ config X86_32
>>  	select CLONE_BACKWARDS
>>  	select OLD_SIGSUSPEND3
>>  	select OLD_SIGACTION
>> +	select COREDUMP
> 
> 
> Do you know since when this is broken?


After some bisecting, it's broken since v3.15. I'll send a new patch including this info.

 Mickaël


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