Hi Razvan, Sure thing. Thanks anyway :)
Cheers, ~Sergej On 05/01/2017 04:38 PM, Razvan Cojocaru wrote: > On 04/30/2017 10:48 PM, Sergej Proskurin wrote: >> The function p2m_mem_access_check_and_get_page in mem_access.c >> translates a gva to an ipa by means of the hardware functionality >> implemented in the function gva_to_ipa. If mem_access is active, >> hardware-based gva to ipa translation might fail, as gva_to_ipa uses the >> guest's translation tables, access to which might be restricted by the >> active VTTBR. To address this issue, we perform the gva to ipa >> translation in software. >> >> Signed-off-by: Sergej Proskurin <prosku...@sec.in.tum.de> >> --- >> Cc: Razvan Cojocaru <rcojoc...@bitdefender.com> >> Cc: Tamas K Lengyel <ta...@tklengyel.com> >> Cc: Stefano Stabellini <sstabell...@kernel.org> >> Cc: Julien Grall <julien.gr...@arm.com> >> --- >> xen/arch/arm/mem_access.c | 140 >> +++++++++++++++++++++++++++++++++++++++++++++- >> 1 file changed, 139 insertions(+), 1 deletion(-) > My ARM knowledge is scant to say the least, and I have no way to test > this code, so I'll leave it to Tamas who has done some ARM work in the > past. In any case - to state the obvious - the main acks here I believe > are Julien and Stefano. > > > Thanks, > Razvan -- Sergej Proskurin, M.Sc. Wissenschaftlicher Mitarbeiter Technische Universität München Fakultät für Informatik Lehrstuhl für Sicherheit in der Informatik Boltzmannstraße 3 85748 Garching (bei München) Tel. +49 (0)89 289-18592 Fax +49 (0)89 289-18579 prosku...@sec.in.tum.de www.sec.in.tum.de _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel