diff options
| author | Felix Blyakher <felixb@sgi.com> | 2009-03-30 22:08:33 -0500 |
|---|---|---|
| committer | Felix Blyakher <felixb@sgi.com> | 2009-03-30 22:08:33 -0500 |
| commit | 930861c4e6f13ce2e7d06cd1ef11441a065517d9 (patch) | |
| tree | df6ff01f89768ff8d6fe6a64491be30e6e56c3e0 /arch/arm/Kconfig.debug | |
| parent | 8b112171734c791afaf43ccc8c6ec492e7006e44 (diff) | |
| parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/Kconfig.debug')
| -rw-r--r-- | arch/arm/Kconfig.debug | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 192ee01a9ba..a71fd941ade 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -2,18 +2,29 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -# RMK wants arm kernels compiled with frame pointers so hardwire this to y. +# RMK wants arm kernels compiled with frame pointers or stack unwinding. # If you know what you are doing and are willing to live without stack # traces, you can get a slightly smaller kernel by setting this option to # n, but then RMK will have to kill you ;). config FRAME_POINTER bool - default y + default y if !ARM_UNWIND help If you say N here, the resulting kernel will be slightly smaller and - faster. However, when a problem occurs with the kernel, the - information that is reported is severely limited. Most people - should say Y here. + faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled, + when a problem occurs with the kernel, the information that is + reported is severely limited. + +config ARM_UNWIND + bool "Enable stack unwinding support" + depends on AEABI && EXPERIMENTAL + default y + help + This option enables stack unwinding support in the kernel + using the information automatically generated by the + compiler. The resulting kernel image is slightly bigger but + the performance is not affected. Currently, this feature + only works with EABI compilers. If unsure say Y. config DEBUG_USER bool "Verbose user fault messages" @@ -66,7 +77,7 @@ config DEBUG_ICEDCC Say Y here if you want the debug print routines to direct their output to the EmbeddedICE macrocell's DCC channel using co-processor 14. This is known to work on the ARM9 style ICE - channel. + channel and on the XScale with the PEEDI. It does include a timeout to ensure that the system does not totally freeze when there is nothing connected to read. |