dma-mapping fix for 4.21

Browse source

Fix a regression in dma-direct that didn't take account the magic AMD
 memory encryption mask in the DMA address.
 -----BEGIN PGP SIGNATURE-----
 
 iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAlwaVAULHGhjaEBsc3Qu
 ZGUACgkQD55TZVIEUYOY4A/9FYHCK486kbEA1df8DxLT6Hz0U6NU9fxgOBMb347K
 uQdmdRB8oR3+aaWnohdr6/qT2oAEn3HM9db4L+eu4D28Fxjfv9Pn0QwjFnAUKGKS
 90ZvmE8FxHOZydR0l3glHgSxuK+aKGs4Qv6Im5vDWkzwVfMqN0WDbBUfbNbG4nsh
 spkdRnx32orstPpUkqbr/26iUAFk9TI3tvg7QDgL88cFArwCBW5ZTmznCnbFeGoz
 TxptRFzDYslWZJYAgKWJ9VQ1sCRyZeMD6maoHsFZNL+XQiZ9/WzLN8GZm8/Tn7sP
 Rcc8D0qkNqcZbUFku2n1r2Z9iHjB3+fI87zdaarSytB5mhHNkpES5boC2ExTjXTu
 QsQt33zbrJXO+8F/571u3k5n8QkkazmYewtviGnNpGq2AofinSOU4BsKxQePI00l
 gN3FjVpFyvgxzRdxp4kpa3UfRFOp61zWqVYZYzGrH8Au99t4ineD+iY1ztd0Z2mH
 23zjAfnCjGF8VOBNi9vxQFeNLlZoWCCuShENePJ76Bm6lBNjPT1O2Tilc+pbBs2A
 RJPoUgMCSfZ+RHyS3ohKM/LLJaX1wEQHYTXa6FyskvOWa9vD4bXJ4kNwc5LY7SyK
 i+KAnEierBxvtRMzo5uu9DJXaJZx1Cw711/2IAPkmXUMDld5rwsrdEbgqDD2mlD8
 6l0=
 =EybB
 -----END PGP SIGNATURE-----

Merge tag 'dma-mapping-4.20-4' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Fix a regression in dma-direct that didn't take account the magic AMD
  memory encryption mask in the DMA address"

* tag 'dma-mapping-4.20-4' of git://git.infradead.org/users/hch/dma-mapping:
  dma-direct: do not include SME mask in the DMA supported check

...

This commit is contained in:

Linus Torvalds 2018-12-19 18:16:17 -08:00

parent 62393dbcbe c92a54cfa0

commit 2dd516ff7d

1 changed files with 6 additions and 1 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

7

kernel/dma/direct.c

View file