AMBA3 AXI - Exclusive access

1/ What will happen when a master performs 2 exclusive read with 2 different transaction ID to the sam an address location??

Example: Master0 (M0) issue 2 exclusive read with 2 different transaction ID (first is 00 and second is 01) to the sam an address location.

What Master or slave must do in this case??

2/ What will happen when a master performs a exclusive read to an address location,

and then have a transaction read (NOT exclusive read) to that address location??

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