Merge branch into tip/master: 'perf/urgent'

 # New commits in perf/urgent:
    bddf10d26e6e ("uprobes: Reject the shared zeropage in uprobe_write_opcode()")
    2016066c6619 ("perf/core: Order the PMU list to fix warning about unordered pmu_ctx_list")
    0fe8813baf4b ("perf/core: Add RCU read lock protection to perf_iterate_ctx()")

Signed-off-by: Ingo Molnar <mingo@kernel.org>