Description: powerpc/64s: Fix pte update for kernel memory on radix
References:
Notes:
 carnil> Introduced in f1cb8f9beba8 ("powerpc/64s/radix: avoid ptesync after set_pte and
 carnil> ptep_set_access_flags"). Vulnerable versions: 4.18-rc1.
Bugs:
upstream: released (5.13-rc1) [b8b2f37cf632434456182e9002d63cbc4cccc50c]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.37) [84c0762633f2a7ac8399e6b97d3b9bb8e6e1d50f]
4.19-upstream-stable: released (4.19.191) [b3d5d0983388d6c4fb35f7d722556d5595f167a7]
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: released (4.19.194-1)