All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Rientjes <rientjes@google.com>
To: Ezequiel Garcia <elezegarcia@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Michal Marek <mmarek@suse.cz>
Subject: Re: [PATCH 01/10] Makefile: Add option CONFIG_DISABLE_GCC_AUTOMATIC_INLINING
Date: Sun, 9 Sep 2012 14:25:44 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.00.1209091424580.13346@chino.kir.corp.google.com> (raw)
In-Reply-To: <1347137279-17568-1-git-send-email-elezegarcia@gmail.com>

On Sat, 8 Sep 2012, Ezequiel Garcia wrote:

> diff --git a/Makefile b/Makefile
> index ddf5be9..df6045a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -561,6 +561,10 @@ else
>  KBUILD_CFLAGS	+= -O2
>  endif
>  
> +ifdef CONFIG_DISABLE_GCC_AUTOMATIC_INLINING
> +KBUILD_CFLAGS	+= -fno-inline-small-functions

This isn't the only option that controls automatic inlining of functions, 
see indirect-inlining, inline-functions, and inline-functions-called-once.

> +endif
> +
>  include $(srctree)/arch/$(SRCARCH)/Makefile
>  
>  ifdef CONFIG_READABLE_ASM
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 2403a63..c8fd50f 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1265,6 +1265,17 @@ config LATENCYTOP
>  source mm/Kconfig.debug
>  source kernel/trace/Kconfig
>  
> +config DISABLE_GCC_AUTOMATIC_INLINING
> +	bool "Disable gcc automatic inlining"
> +	depends on TRACING
> +	help
> +	  This option tells gcc he's not allowed to inline functions automatically,
> +	  when they are not marked as 'inline'.
> +	  In turn, this enables to trace an event with an accurate call site.
> +	  Of course, the resultant kernel is slower and slightly smaller.
> +
> +	  Select this option only if you want to trace call sites accurately.
> +
>  config PROVIDE_OHCI1394_DMA_INIT
>  	bool "Remote debugging over FireWire early on boot"
>  	depends on PCI && X86
> -- 
> 1.7.8.6
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
> 

WARNING: multiple messages have this Message-ID (diff)
From: David Rientjes <rientjes@google.com>
To: Ezequiel Garcia <elezegarcia@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Michal Marek <mmarek@suse.cz>
Subject: Re: [PATCH 01/10] Makefile: Add option CONFIG_DISABLE_GCC_AUTOMATIC_INLINING
Date: Sun, 9 Sep 2012 14:25:44 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.00.1209091424580.13346@chino.kir.corp.google.com> (raw)
In-Reply-To: <1347137279-17568-1-git-send-email-elezegarcia@gmail.com>

On Sat, 8 Sep 2012, Ezequiel Garcia wrote:

> diff --git a/Makefile b/Makefile
> index ddf5be9..df6045a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -561,6 +561,10 @@ else
>  KBUILD_CFLAGS	+= -O2
>  endif
>  
> +ifdef CONFIG_DISABLE_GCC_AUTOMATIC_INLINING
> +KBUILD_CFLAGS	+= -fno-inline-small-functions

This isn't the only option that controls automatic inlining of functions, 
see indirect-inlining, inline-functions, and inline-functions-called-once.

> +endif
> +
>  include $(srctree)/arch/$(SRCARCH)/Makefile
>  
>  ifdef CONFIG_READABLE_ASM
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 2403a63..c8fd50f 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1265,6 +1265,17 @@ config LATENCYTOP
>  source mm/Kconfig.debug
>  source kernel/trace/Kconfig
>  
> +config DISABLE_GCC_AUTOMATIC_INLINING
> +	bool "Disable gcc automatic inlining"
> +	depends on TRACING
> +	help
> +	  This option tells gcc he's not allowed to inline functions automatically,
> +	  when they are not marked as 'inline'.
> +	  In turn, this enables to trace an event with an accurate call site.
> +	  Of course, the resultant kernel is slower and slightly smaller.
> +
> +	  Select this option only if you want to trace call sites accurately.
> +
>  config PROVIDE_OHCI1394_DMA_INIT
>  	bool "Remote debugging over FireWire early on boot"
>  	depends on PCI && X86
> -- 
> 1.7.8.6
> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
> 

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  parent reply	other threads:[~2012-09-09 21:25 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-08 20:47 [PATCH 01/10] Makefile: Add option CONFIG_DISABLE_GCC_AUTOMATIC_INLINING Ezequiel Garcia
2012-09-08 20:47 ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 02/10] mm, slob: Use NUMA_NO_NODE instead of -1 Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-09 21:27   ` David Rientjes
2012-09-09 21:27     ` David Rientjes
2012-09-24 17:13     ` Ezequiel Garcia
2012-09-24 17:13       ` Ezequiel Garcia
2012-09-25  7:37       ` Pekka Enberg
2012-09-25  7:37         ` Pekka Enberg
2012-09-25 10:13         ` Ezequiel Garcia
2012-09-25 10:13           ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 03/10] mm, slab: Remove silly function slab_buffer_size() Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-09 21:28   ` David Rientjes
2012-09-09 21:28     ` David Rientjes
2012-09-08 20:47 ` [PATCH 04/10] mm, slob: Add support for kmalloc_track_caller() Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-25 19:53   ` [patch slab/next] mm, slob: fix build breakage in __kmalloc_node_track_caller David Rientjes
2012-09-25 19:53     ` David Rientjes
2012-09-25 19:55     ` Ezequiel Garcia
2012-09-25 19:55       ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 05/10] mm, util: Use dup_user to duplicate user memory Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-25  7:15   ` Pekka Enberg
2012-09-25  7:15     ` Pekka Enberg
2012-09-25 21:29   ` Andrew Morton
2012-09-25 21:29     ` Andrew Morton
2012-09-26  1:15     ` Ezequiel Garcia
2012-09-26  1:15       ` Ezequiel Garcia
2012-09-26 21:42       ` Andrew Morton
2012-09-26 21:42         ` Andrew Morton
2012-09-26 21:51         ` Ezequiel Garcia
2012-09-26 21:51           ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 06/10] mm, slab: Replace 'caller' type, void* -> unsigned long Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 07/10] mm, slab: Match SLAB and SLUB kmem_cache_alloc_xxx_trace() prototype Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 08/10] mm, slab: Rename __cache_alloc() -> slab_alloc() Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 09/10] mm, slub: Rename slab_alloc() -> slab_alloc_node() to match SLAB Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-08 20:47 ` [PATCH 10/10] mm: Factor SLAB and SLUB common code Ezequiel Garcia
2012-09-08 20:47   ` Ezequiel Garcia
2012-09-08 21:43 ` [PATCH 01/10] Makefile: Add option CONFIG_DISABLE_GCC_AUTOMATIC_INLINING Sam Ravnborg
2012-09-08 21:43   ` Sam Ravnborg
2012-09-09 21:25 ` David Rientjes [this message]
2012-09-09 21:25   ` David Rientjes
2012-09-13  0:30   ` Ezequiel Garcia
2012-09-13  0:30     ` Ezequiel Garcia
2012-09-13  7:17     ` Michal Marek
2012-09-13  7:17       ` Michal Marek
2012-09-13  9:16       ` Ezequiel Garcia
2012-09-13  9:16         ` Ezequiel Garcia

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.DEB.2.00.1209091424580.13346@chino.kir.corp.google.com \
    --to=rientjes@google.com \
    --cc=elezegarcia@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mmarek@suse.cz \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.