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(parent: 0ca7624) | patch
mm: option to _always_ scrub freed domheap pages
authorEslam Elnikety <elnikety@amazon.com>
Mon, 13 May 2019 07:58:08 +0000 (09:58 +0200)
committerJan Beulich <jbeulich@suse.com>
Mon, 13 May 2019 07:58:08 +0000 (09:58 +0200)
commit24f1a58d1954f56f28e494f45e2ea9aa7f78f5fb
treeba47ddcbdd15152f1b357964ec462f09c3b75553tree
parent0ca7624d06a6c5020b01f2617d786a2607172751commit | diff
mm: option to _always_ scrub freed domheap pages

Give the administrator further control on when to scrub domheap pages by adding
an option to always scrub. This is a safety feature that, when enabled,
prevents a (buggy) domain from leaking secrets if it accidentally frees a page
without proper scrubbing.

Signed-off-by: Eslam Elnikety <elnikety@amazon.com>
Acked-by: George Dunlap <george.dunlap@citrix.com>
docs/misc/xen-command-line.pandoc diff | blob | blame | history
xen/common/page_alloc.c diff | blob | blame | history
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