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(parent: 1d32c21) | patch
ARM: disable grant table v2
authorStefano Stabellini <sstabellini@kernel.org>
Mon, 13 Aug 2018 16:25:51 +0000 (17:25 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 14 Aug 2018 16:01:28 +0000 (17:01 +0100)
commitfa79f9e762be390b56218437ed317a695a03a5e7
treec5351a06f477f4f7927ab102a8340a86f7f78e4dtree | snapshot
parent1d32c21975097e64a7ecf0932680a3b6d53d00a4commit | diff
ARM: disable grant table v2

It was never expected to work, the implementation is incomplete.

As a side effect, it also prevents guests from triggering a
"BUG_ON(page_get_owner(pg) != d)" in gnttab_unpopulate_status_frames().

This is XSA-268.

Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
(cherry picked from commit 9a5c16a3e75778c8a094ca87784d93b74676f46c)
docs/misc/xen-command-line.markdown diff | blob | history
xen/common/grant_table.c diff | blob | history
xen/include/asm-arm/grant_table.h diff | blob | history
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