[PATCH V2 1/2] kexec: arm64: create identity page table to be used in purgatory

[Pratyush Anand]

Hi James,

On Wednesday 18 January 2017 01:13 PM, Pratyush Anand wrote:
>
>>
>>> +     * in kexec
>>> +     */
>>> +    if (next_tbl_cnt > 5)
>>> +        die("%s: No more memory for page table\n", __func__);
>>
>> die()? With a bit of juggling can't we return an error so we never try
>> to enable
>> the MMU+dcache instead?
>>
>
> OK. can do that.

It does not seem easy to do that. We will have to revert job of 
add_buffer_phys_virt() in case of failure, and it will need lot of new 
code. So, IMHO it would be better to keep die() as of now.
What do you say?

~Pratyush