[PATCH] arm64: kill flush_cache_all()

[Ard Biesheuvel]

On 20 April 2015 at 21:22, Mark Rutland <mark.rutland at arm.com> wrote:
>> > Does that address your concerns? Or pose new questions? ;)
>> >
>>
>> Crystal clear. Lately I have been dealing with some dodgy Tianocore
>> code that 'promoted' VA operations to set/way operations if the VA
>> range exceeded a certain size threshold (and nuked the whole cache
>> instead), so by now I am well aware of the differences. I was just
>> vaguely under the impression that clearing the C bit could result in
>> the caches to lose state, but apparently not.
>
> To the best of my knowledge, that is not permitted.
>
>> So that means the EFI stub entry code is sound, and I have no
>> objections whatsoever to removing flush_cache_all() et al
>
> Great! Can I consider that an Acked-by?
>

Absolutely.

-- 
Ard.