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charset="UTF-8" Ackerley Tng writes: > From: Sean Christopherson > > Add a test to verify that a guest_memfd's shared/private status is > consistent across processes. > Missed copying Sean's note from [1]. Rephrased: Test that on shared to private conversion, any shared pages previously mapped in any process are unmapped from all processes. [1] https://lore.kernel.org/all/aN7U1ewx8dNOKl1n@google.com/ > The test forks a child process after creating the shared guest_memfd > region so that the second process exists alongside the main process for the > entire test. > > The processes then take turns to access memory to check that the > shared/private status is consistent across processes. > > Signed-off-by: Sean Christopherson > Co-developed-by: Ackerley Tng > Signed-off-by: Ackerley Tng > --- > .../kvm/guest_memfd_conversions_test.c | 74 +++++++++++++++++++ > 1 file changed, 74 insertions(+) > > > [...snip...] >