lkml.org 
[lkml]   [2012]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 01/10] Makefile: Add option CONFIG_DISABLE_GCC_AUTOMATIC_INLINING
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>
>


\
 
 \ /
  Last update: 2012-09-10 00:01    [from the cache]
©2003-2011 Jasper Spaans