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Francois Romieu
df1c941468
rose /proc code does not serialize timer accesses. Initial report by Bernard F6BVP Pidoux exhibits overflow amounting to 116 ticks on its HZ=250 system. Full timer access serialization would imho be overkill as rose /proc does not enforce consistency between displayed ROSE_STATE_XYZ and timer values during changes of state. The patch may also fix similar behavior in ax25 /proc, ax25 ioctl and netrom /proc as they all exhibit the same timer serialization policy. This point has not been reported though. The sole remaining use of ax25_display_timer - ax25 rtt valuation - may also perform marginally better but I have not analyzed it too deeply. Cc: Thomas DL9SAU Osterried <[email protected]> Link: https://lore.kernel.org/all/[email protected]/ Signed-off-by: Francois Romieu <[email protected]> Tested-by: Bernard Pidoux <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>