Re: [PATCH] powerpc: thp: Use tlbiel wherever possible

On Wed, 2014-08-06 at 20:16 +0530, Aneesh Kumar K.V wrote:

"Aneesh Kumar K.V" [off-list ref] writes:
=20

quoted

If we know that user address space has never executed on other cpus
we could use tlbiel.

Signed-off-by: Aneesh Kumar K.V <redacted>

=20
Now checking against flush_hash_page, I am wondering whether I need to ha=

ndle

transcational memory in case of tlbiel ? Michael, can you let me know if
this is needed ?

Yeah, you do need to add something. =20

local tlbie won't abort the transaction (broadcast will abort), so you
need to do a explicit tabort if there is an active transaction, to make
sure the transaction is doomed.

Mikey