On 06/27/2015 03:46 AM, Borislav Petkov wrote:
On Sat, Jun 27, 2015 at 03:32:40AM -0700, Michel Lespinasse wrote:
Yes, tried this successfully both with <64 and >64 CPUs, this does get
rid of the lockdep warning for me.
Thanks, I'll add your Tested-by to the patch.
Just for kicks, can one of you big NUMA owners try running the sigreturn
tests (tools/testing/selftests/x86/sigreturn_{32,64}) on one of these
monsters with that patch applied, preferably on every cpu?
Something like:
for i in `seq 1 64`; do (taskset -c $i ./sigreturn_32 && taskset -c $i
./sigreturn_64) >/dev/null || echo FAIL; done
I don't see why it would fail, but if the percpu conversion was botched,
then these tests are likely to blow up.
--Andy
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