thread_pkey_regs_init() initializes the pkey related registers
instead of initializing the fields in the task structures. Fortunately
those key related registers are re-set to zero when the task
gets scheduled on the cpu. However its good to fix this glaringly
visible error.
Fixes:
06bb53b33804 ("powerpc: store and restore the pkey state across context switches")
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
if (static_branch_likely(&pkey_disabled))
return;
- write_amr(read_amr() & pkey_amr_uamor_mask);
- write_iamr(read_iamr() & pkey_iamr_mask);
- write_uamor(read_uamor() & pkey_amr_uamor_mask);
+ thread->amr = read_amr() & pkey_amr_uamor_mask;
+ thread->iamr = read_iamr() & pkey_iamr_mask;
+ thread->uamor = read_uamor() & pkey_amr_uamor_mask;
}
static inline bool pkey_allows_readwrite(int pkey)