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authorGuo Ren <guoren@linux.alibaba.com>2020-05-13 15:15:25 +0800
committerGuo Ren <guoren@linux.alibaba.com>2020-05-13 17:55:06 +0800
commit18c07d23da5a48525b2955aa269b8bb108c19300 (patch)
tree450a798836c2658ff1a2b7fce73bbc5bd59df9af /arch/csky/Kconfig
parent229a0ddee1108a3f82a873e6cbbe35c92c540444 (diff)
csky: Fixup calltrace panic
The implementation of show_stack will panic with wrong fp: addr = *fp++; because the fp isn't checked properly. The current implementations of show_stack, wchan and stack_trace haven't been designed properly, so just deprecate them. This patch is a reference to riscv's way, all codes are modified from arm's. The patch is passed with: - cat /proc/<pid>/stack - cat /proc/<pid>/wchan - echo c > /proc/sysrq-trigger Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Diffstat (limited to 'arch/csky/Kconfig')
-rw-r--r--arch/csky/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 94545d50d40f..bd31ab12f77d 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -8,6 +8,7 @@ config CSKY
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
+ select ARCH_WANT_FRAME_POINTERS if !CPU_CK610
select COMMON_CLK
select CLKSRC_MMIO
select CSKY_MPINTC if CPU_CK860
@@ -38,6 +39,7 @@ config CSKY
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_AUDITSYSCALL
select HAVE_COPY_THREAD_TLS
+ select HAVE_DEBUG_BUGVERBOSE
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_FUNCTION_TRACER