powerpc/mm/radix: Avoid flushing the PWC on every flush_tlb_range

Browse source

We do that because it's used by THP pmd collapsing, so use
instead a dedicated flush function.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

...

This commit is contained in:

Benjamin Herrenschmidt 2017-07-19 14:49:06 +10:00 • committed by Michael Ellerman

parent a46cc7a90f

commit 424de9c6e3

3 changed files with 43 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

arch/powerpc/include/asm/book3s/64/tlbflush-radix.h

View file

5

arch/powerpc/mm/pgtable-radix.c

View file

43

arch/powerpc/mm/tlb-radix.c

View file