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authorJason Wessel <jason.wessel@windriver.com>2010-08-05 09:22:25 -0500
committerJason Wessel <jason.wessel@windriver.com>2010-08-05 09:22:25 -0500
commit3fa43aba08c5b5a4b407e402606fbe463239b14a (patch)
tree83c6b8a61a1c8a8795504217518300417c49c6a6 /kernel/debug/gdbstub.c
parentdf4939350b345ebb44937902827aa75b8ad4998c (diff)
downloadlinux-3fa43aba08c5b5a4b407e402606fbe463239b14a.tar.bz2
debug_core,kdb: fix crash when arch does not have single step
When an arch such as mips and microblaze does not implement either HW or software single stepping the debug core should re-enter kdb. The kdb code will properly ignore the single step operation. Attempting to single step the kernel without software or hardware support causes unpredictable kernel crashes. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Diffstat (limited to 'kernel/debug/gdbstub.c')
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