search for: p2m_ram_ro

I realized that I had failed to cover the hardware assisted paging case in my earlier p2m_ram_ro patches. This should fix it. Note that I say "should" - I don''t actually have an NPT or EPT capable box to test this patch on, so treat it with a modicum of caution. :) The patch also contains an update to the comment for the p2m_ram_ro type, so that it describes the current beha...

..._gva_to_gfn(v, vaddr, &pfec); + if ( gfn == INVALID_GFN ) + { + hvm_inject_exception(TRAP_page_fault, pfec, vaddr); + return _mfn(BAD_GVA_TO_GFN); + } + + /* Translate the GFN to an MFN */ + mfn = gfn_to_mfn(v->domain, gfn, &p2mt); + + if ( p2mt == p2m_ram_ro ) + return _mfn(READONLY_GFN); + if ( !p2m_is_ram(p2mt) ) + return _mfn(BAD_GFN_TO_MFN); + + ASSERT(mfn_valid(mfn_x(mfn))); + + return mfn; +} + +/* Check that the user is allowed to perform this write. + * Returns a mapped pointer to write to, or NULL for error. */ +#define...

There has been some progress, but still no joy. Definitely not intended for inclusion at this point. Tim, Wei, I added a Xen command line toggle to disable IOMMU and P2M table sharing. Tim, I verified that changes to p2m-pt.c don''t break shadow mode (64bit hypervisor and Win 7 guest). Hongkaixing, I incorporated your suggestion in patch 2, so I should add your Signed-off-by eventually.

Hello everyone, this is the fourth version of the patch series that introduces ARMv7 with virtualization extensions support in Xen. The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile Express simulator. See the following announce email for more informations about what we are trying to achieve, as well as the original git history: See