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authorPaul E. McKenney <paulmck@linux.ibm.com>2019-05-11 20:18:00 -0700
committerPaul E. McKenney <paulmck@linux.ibm.com>2019-05-28 09:06:09 -0700
commitb93c765fda30cadae6aafb9d32a30f9391dc0b41 (patch)
tree8539b04e42f2f76b7d0da6ef535d49b5da257500 /kernel
parent7225c0777271bb489ad6fb095aa10985ad138a81 (diff)
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torture: Add --trust-make to suppress "make clean"
The current rcutorture scripts unconditionally do "make clean", which is a good way of getting the needed testing done despite any imperfections in Makefile dependency tracking. However, this can be a bit irritating when repeatedly running a single scenario after small changes, for example, when debugging a problem that affects only a single scenario. This commit therefore adds a --trust-make argument that suppresses the "make clean". Even when using ccache, this speeds up kernel builds by up to almost an order of magnitude on my laptop. Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
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