linux-kernel - Re: [PATCH] ARC: extable: Enable sorting at build time

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Date:	Tue, 19 Nov 2013 16:00:39 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:	David Daney <david.daney@...ium.com>,
	Francois Bedard <Francois.Bedard@...opsys.com>
Subject: Re: [PATCH] ARC: extable: Enable sorting at build time

Dne 19.11.2013 12:08, Vineet Gupta napsal(a):
> Ping ? people OK if I take this via arc tree (after baking it in linux-next for
> some time).

It makes more sense to add it to the arc tree than kbuild. If that's
what you are asking?

Thanks,
Michal

> 
> -Vineet
> 
> On 11/15/2013 12:15 PM, Vineet Gupta wrote:
>> Avoids wasting cycles at boot specially on slower simulators
>>
>> Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
>> Cc: David Daney <david.daney@...ium.com>
>> Cc: Michal Marek <mmarek@...e.cz>
>> Cc: Francois Bedard <fbedard@...opsys.com>
>> Cc: linux-kernel@...r.kernel.org
>> ---
>>  arch/arc/Kconfig      | 1 +
>>  scripts/sortextable.c | 5 +++++
>>  2 files changed, 6 insertions(+)
>>
>> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
>> index 91dbb2757afd..080580216301 100644
>> --- a/arch/arc/Kconfig
>> +++ b/arch/arc/Kconfig
>> @@ -8,6 +8,7 @@
>>  
>>  config ARC
>>  	def_bool y
>> +	select BUILDTIME_EXTABLE_SORT
>>  	select CLONE_BACKWARDS
>>  	# ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
>>  	select DEVTMPFS if !INITRAMFS_SOURCE=""
>> diff --git a/scripts/sortextable.c b/scripts/sortextable.c
>> index 7c2310c5b996..e3fb1c36ed0f 100644
>> --- a/scripts/sortextable.c
>> +++ b/scripts/sortextable.c
>> @@ -31,6 +31,10 @@
>>  #include <tools/be_byteshift.h>
>>  #include <tools/le_byteshift.h>
>>  
>> +#ifndef EM_ARCOMPACT
>> +#define EM_ARCOMPACT	93
>> +#endif
>> +
>>  #ifndef EM_AARCH64
>>  #define EM_AARCH64	183
>>  #endif
>> @@ -244,6 +248,7 @@ do_file(char const *const fname)
>>  	case EM_S390:
>>  		custom_sort = sort_relative_table;
>>  		break;
>> +	case EM_ARCOMPACT:
>>  	case EM_ARM:
>>  	case EM_AARCH64:
>>  	case EM_MIPS:
> 
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