[PATCH v5 1/6] powerpc: Allow flush_icache_range to work across ranges >4GB

[Christophe Leroy]

Le 04/11/2019 à 20:43, Segher Boessenkool a écrit :
> On Mon, Nov 04, 2019 at 01:32:53PM +1100, Alastair D'Silva wrote:
>> When calling flush_icache_range with a size >4GB, we were masking
>> off the upper 32 bits, so we would incorrectly flush a range smaller
>> than intended.
>>
>> This patch replaces the 32 bit shifts with 64 bit ones, so that
>> the full size is accounted for.
> 
> Please send this separately, to be committed right now?  It is a bug fix,
> independent of the rest of the series.
> 

Patch 4/6 needs it, as it drops the function.

Or do you mean that the series should drop the assembly at once, and 
this patch should only go into stable ?

But I guess mpe can take this patch alone if he wants to ?

By the way, Patch 2/6 is also a bugfix.

Christophe