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Florian Fainelli
a02b0cde8e
In commit721255b982("genirq: Use a maple tree for interrupt descriptor management"), the irq_desc_tree was replaced with a sparse_irqs tree using a maple tree structure. Since the script looked for the irq_desc_tree symbol which is no longer available, no interrupts would be printed and the script output would not be useful anymore. In addition to looking up the correct symbol (sparse_irqs), a new module (mapletree.py) is added whose mtree_load() implementation is largely copied after the C version and uses the same variable and intermediate function names wherever possible to ensure that both the C and Python version be updated in the future. This restores the scripts' output to match that of /proc/interrupts. Link: https://lkml.kernel.org/r/[email protected] Fixes:721255b982("genirq: Use a maple tree for interrupt descriptor management") Signed-off-by: Florian Fainelli <[email protected]> Cc: Jan Kiszka <[email protected]> Cc: Kieran Bingham <[email protected]> Cc: Shanker Donthineni <[email protected]> Cc: Thomas Gleinxer <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]>