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authorVineet Gupta <vgupta@synopsys.com>2013-08-27 13:52:51 +0530
committerVineet Gupta <vgupta@synopsys.com>2013-09-05 10:31:13 +0530
commitcc80ae38bfb698559c8f728d9f0c7b20ed4a59e6 (patch)
tree5827666efcfc0ffa09fc7cf3a4021d604a6d4823 /lib/Kconfig.debug
parent7efd0da2d17360e1cef91507dbe619db0ee2c691 (diff)
Kconfig.debug: Add FRAME_POINTER anti-dependency for ARC
Frame pointer on ARC doesn't serve the conventional purpose of stack unwinding due to the typical way ABI designates it's usage. Thus it's explicit usage on ARC is discouraged (gcc is free to use it, for some tricky stack frames even if -fomit-frame-pointer). Hence no point enabling it for ARC. References: http://www.spinics.net/lists/kernel/msg1593937.html Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Paul E. McKenney" <paul.mckenney@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Michel Lespinasse <walken@google.com> Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1501aa553221..c971f3ae95e5 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -908,7 +908,7 @@ config LOCKDEP
bool
depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
select STACKTRACE
- select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE
+ select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC
select KALLSYMS
select KALLSYMS_ALL
@@ -1347,7 +1347,7 @@ config FAULT_INJECTION_STACKTRACE_FILTER
depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
depends on !X86_64
select STACKTRACE
- select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND
+ select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC
help
Provide stacktrace filter for fault-injection capabilities
@@ -1357,7 +1357,7 @@ config LATENCYTOP
depends on DEBUG_KERNEL
depends on STACKTRACE_SUPPORT
depends on PROC_FS
- select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND
+ select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC
select KALLSYMS
select KALLSYMS_ALL
select STACKTRACE