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authorSteven Rostedt <srostedt@redhat.com>2009-02-10 13:07:13 -0500
committerSteven Rostedt <srostedt@redhat.com>2009-02-10 13:07:13 -0500
commite3944bfac961cd7fc82f3b3143c55dc375748569 (patch)
tree26a5cd89d950ce8900e2a36dd4ca3da0d7240641 /Documentation/Changes
parentacd895795d35d7c6405f20301a846d16998795ec (diff)
tracing, x86: fix fixup section to return to original code
Impact: fix to prevent a kernel crash on fault If for some reason the pointer to the parent function on the stack takes a fault, the fix up code will not return back to the original faulting code. This can lead to unpredictable results and perhaps even a kernel panic. A fault should not happen, but if it does, we should simply disable the tracer, warn, and continue running the kernel. It should not lead to a kernel crash. Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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