[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 1 of 4] x86 shadow: for multi-page shadows, explicitly track the first page
x86 shadow: for multi-page shadows, explicitly track the first page (where the refcounts are) and check that none of the routines that do refcounting ever see the second, third or fourth page. This is just stating and enforcing an existing implicit requirement. Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx> 4 files changed, 47 insertions(+), 14 deletions(-) xen/arch/x86/mm/shadow/common.c | 8 +++++- xen/arch/x86/mm/shadow/multi.c | 48 ++++++++++++++++++++++++++++---------- xen/arch/x86/mm/shadow/private.h | 2 + xen/include/asm-x86/mm.h | 3 +- Attachment:
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