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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 15:56:46 +0000 (16:56 +0100)
commit9a5c16a3e75778c8a094ca87784d93b74676f46c
tree5b5a0359ae1464696c243c2d1ace96418d7de05dtree | snapshot
parent2a3b34ec47817048ab59586855cf0709fc77487ecommit | 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>
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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