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| author | Graf Yang <graf.yang@analog.com> | 2010-01-20 10:56:24 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-03-09 00:30:49 -0500 |
| commit | 60ffdb36547da2397d6cfefe9c752ebad16524f6 (patch) | |
| tree | ce188bc0ccd1d8d0e6ff0f49937dca95e1f571c0 /arch/blackfin/Kconfig.debug | |
| parent | 726e96561e4704278bc5197238f6459e1a63aa77 (diff) | |
| download | lwn-60ffdb36547da2397d6cfefe9c752ebad16524f6.tar.gz lwn-60ffdb36547da2397d6cfefe9c752ebad16524f6.zip | |
Blackfin: implement nmi_watchdog for SMP on BF561
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/Kconfig.debug')
| -rw-r--r-- | arch/blackfin/Kconfig.debug | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 87f195ee2e06..1460d7b5edc1 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -238,6 +238,15 @@ config EARLY_PRINTK all of this lives in the init section and is thrown away after the kernel boots completely. +config NMI_WATCHDOG + bool "Enable NMI watchdog to help debugging lockup on SMP" + default n + depends on (SMP && !BFIN_SCRATCH_REG_RETN) + help + If any CPU in the system does not execute the period local timer + interrupt for more than 5 seconds, then the NMI handler dumps debug + information. This information can be used to debug the lockup. + config CPLB_INFO bool "Display the CPLB information" help |