> -----Original Message----- > From: Intel-wired-lan <[email protected]> On Behalf Of > Aleksandr Loktionov > Sent: 27 March 2026 12:54 > To: [email protected]; Nguyen, Anthony L > <[email protected]>; Loktionov, Aleksandr > <[email protected]> > Cc: [email protected]; Temerkhanov, Sergey <[email protected]> > Subject: [Intel-wired-lan] [PATCH net] ice: use READ_ONCE() to access cached > PHC time > > From: Sergey Temerkhanov <[email protected]> > > ptp.cached_phc_time is a 64-bit value updated by a periodic work item on one > CPU and read locklessly on another. On 32-bit or non-atomic architectures > this can result in a torn read. Use READ_ONCE() to enforce a single atomic > load. > > Fixes: 77a781155a65 ("ice: enable receive hardware timestamping") > Cc: [email protected] > Signed-off-by: Sergey Temerkhanov <[email protected]> > Signed-off-by: Aleksandr Loktionov <[email protected]> > --- > > drivers/net/ethernet/intel/ice/ice_ptp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Tested-by: Rinitha S <[email protected]> (A Contingent worker at Intel)
