Description: Speculation on incompletely validated data on IBM Power9
References:
 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1899573
Notes:
 carnil> Released as well in v5.9.10.
Bugs:
upstream: released (5.10-rc5) [fcb48454c23c5679d1a2e252f127642e91b05cbe, f79643787e0a0762d2409b7b8334e83f22d85695, 9a32a7e78bd0cd9a9b6332cbdc345ee5ffd0c5de, 178d52c6e89c38d0553b0ac8b99927b11eb995b0, 89a83a0c69c81a25ce91002b90ca27ed86132a0a, 0d239f3b03efc78fb5b290aff6c747fecd3b98cb, da631f7fd623b6c180c8d93a93040d1e0d61291f]
4.19-upstream-stable: released (4.19.159) [b4e80478115bc7fcea627110c133f4afe1a40899, f69bb4e51f41973fb7594be1479fa689831efe1a, 357a5e6febe8839bd217121baa394b11e8fe4085, 8145b3a014e8504f02e15a38f04051fec826f4f2, 92e7ec289b955384fba88953584562ce43164fa7, 6b36099dc92354dc0a895115605d4bf31f252142, 31ebc2fe02df202566d0e36c1106b4902d6e2f8c]
4.9-upstream-stable: released (4.9.245) [6672e0ba87c7643ed2c86ac949d3dbaa7a8ae6d7, 4eb53cb9f9f71bf615f344524eb195607501dd9e, fa4bf9f38184ed7ca4916eb64f8c767d1e279c1f, 82973e9a1b814c3f0a11014fd84261f4c9e00e37, 3853ff577423903917b7951bbf48bb198a96bd18, d765c7b38bc7532b99e868e4df9f9b3156f2cb0c, 9fbcbd259cf6ecab607efc7ad3a0f3d9bff3a325, d67c5c60a4225d98e24381f2da8f449e50733e81]
sid: released (5.9.11-1)
4.19-buster-security: released (4.19.160-1)
4.9-stretch-security: ignored "powerpc architectures not included in LTS"