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sparc64: Like x86 we should check current->mm during perf backtrace generation.
authorDavid S. Miller <davem@davemloft.net>
Mon, 15 Oct 2012 00:59:40 +0000 (17:59 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 15 Oct 2012 00:59:40 +0000 (17:59 -0700)
commit08280e6c4c2e8049ac61d9e8e3536ec1df629c0d
tree0ca61313d9c74d66019a7a90306653464de091e2tree | snapshot
parentddffeb8c4d0331609ef2581d84de4d763607bd37commit | diff
sparc64: Like x86 we should check current->mm during perf backtrace generation.

If the MM is not active, only report the top-level PC.  Do not try to
access the address space.

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/kernel/perf_event.c diff | blob | history
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