On 06/13/2018 05:44 PM, Ram Pai wrote:
> If the flag is 0, no bits will be set. Hence we cant expect
> the resulting bitmap to have a higher value than what it
> was earlier
...
> if (flags)
> - pkey_assert(read_pkey_reg() > orig_pkey_reg);
> + pkey_assert(read_pkey_reg() >= orig_pkey_reg);
> dprintf1("END<---%s(%d, 0x%x)\n", __func__,
> pkey, flags);
> }
This is the kind of thing where I'd love to hear the motivation and
background. This "disable a key that was already disabled" operation
obviously doesn't happen today. What motivated you to change it now?
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