powerpc/radix: fix double page offset in mmu_radix_sync_icache()stable/14

mmu_radix_sync_icache() adds the offset of va within its page to the
physical address it gets from mmu_radix_extract_locked().  That address
already includes the offset - the extract routines return the physical
address of the byte, not of the frame - so the offset is counted twice
and __syncicache() is handed frame + 2 * offset.

The hash MMU counterpart, moea64_sync_icache(), has to add the offset
because PVO_PADDR() yields only the frame.  Here the addition is wrong.

Fixes:	6f0b2a235a13 ("powerpc/pmap: Add pmap_sync_icache() for radix pmap")
Reviewed by:	jhibbits
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D59870

(cherry picked from commit 9d0859637f99160e17b656df153effae3df31f8b)
(cherry picked from commit 107212618921492ffed84d6ea3c9a27c77aaf725)

0 files changed, 0 insertions, 0 deletions