search for: gmfn_to_mfn

Hi, Maybe it''s a dumb question, but I''m actually trying to understand how the memory allocation works within Xen. I try to give 128MB to a domU and see if it increases for example when I "nano" a 500mb file, but the process just get killed when it reachs the 128MB memory limit. How do I configure the guests so they can ask for more memory until a limit is reached

...->vmid = d->domain_id + 1; + spin_lock(&p2m->lock); + + rc = p2m_alloc_vmid(d); + if ( rc != 0 ) + goto err; d->arch.vttbr = 0; p2m->first_level = NULL; - return 0; +err: + spin_unlock(&p2m->lock); + + return rc; } unsigned long gmfn_to_mfn(struct domain *d, unsigned long gpfn) diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c index 4b31623..4dfb56f 100644 --- a/xen/arch/arm/setup.c +++ b/xen/arch/arm/setup.c @@ -544,6 +544,8 @@ void __init start_xen(unsigned long boot_phys_offset, setup_virt_paging(); + p2m_vmid_al...

...page(ptr); + fixunmap_domain_page(ptr); + + put_page_and_type(page); + break; + } + + case MMUEXT_COPY_PAGE: + { + const unsigned char *src; + unsigned char *dst; + unsigned long src_mfn; + + src_mfn = gmfn_to_mfn(FOREIGNDOM, op.arg2.src_mfn); + okay = get_page_from_pagenr(src_mfn, FOREIGNDOM); + if ( unlikely(!okay) ) + { + MEM_LOG("Error while copying from mfn %lx", src_mfn); + break; + } + + okay = get_page_and_...

Hi, V6: The only change from V5 is in patch #6: - changed comment to reflect autoxlate - removed a redundant ASSERT - reworked logic a bit so that get_page_from_gfn() is called with NULL for p2m type as before. arm has ASSERT wanting it to be NULL. Tim: patch 4 needs your approval. Daniel: patch 5 needs your approval. These patches implement PVH dom0. Patches 1 and 2

...;); + goto skip_cr3; + } + + if (c->cr3 == v->arch.hvm_vmx.cpu_cr3) { + /* + * This is simple TLB flush, implying the guest has + * removed some translation or changed page attributes. + * We simply invalidate the shadow. + */ + mfn = gmfn_to_mfn(v->domain, c->cr3 >> PAGE_SHIFT); + if (mfn != pagetable_get_pfn(v->arch.guest_table)) { + goto bad_cr3; + } + } else { + /* + * If different, make a shadow. Check if the PDBR is valid + * first. + */ + HVM_DBG_LOG(DBG...

Patrick, there following patches fix xenpaging for me. Granttable handling is incomplete. If a page is gone, a GNTST_eagain should be returned to the caller to inidcate the hypercall has to be retried after a while, until the page is available again. Please review. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com

...page(ptr); + fixunmap_domain_page(ptr); + + put_page_and_type(page); + break; + } + + case MMUEXT_COPY_PAGE: + { + const unsigned char *src; + unsigned char *dst; + unsigned long src_mfn; + + src_mfn = gmfn_to_mfn(FOREIGNDOM, op.arg2.src_mfn); + okay = get_page_from_pagenr(src_mfn, FOREIGNDOM); + if ( unlikely(!okay) ) + { + MEM_LOG("Error while copying from mfn %lx", src_mfn); + break; + } + + okay = !get_page_and...

...pte = mfn_to_p2m_entry(page_to_mfn(page), MATTR_MEM); + /* mark the write bit (page table''s case, ro bit) as 0 + * so, it is writable in case of vlpt access */ + pte.pt.ro = 0; + write_pte(entry, pte); return 0; @@ -408,6 +414,206 @@ unsigned long gmfn_to_mfn(struct domain *d, unsigned long gpfn) return p >> PAGE_SHIFT; } +/* Change types across all p2m entries in a domain */ +void p2m_change_entry_type_global(struct domain *d, enum mg nt) +{ + struct p2m_domain *p2m = &d->arch.p2m; + paddr_t ram_base; + int i1, i2,...

Hello, I''m new to Xen and especially to the hypervisor code. I''m working off a 3.0.4.1 base and have the following questions regarding the memory management code for an x86, 32-bit platform (capable of supporting PAE). I''m doing some research into providing grant table hypercall support from a Windows 2003 HVM. I have made all the necessary changes to allow the

This patch series implements SMP boot for arch/arm, as far as getting all CPUs up and running the idle loop. Changes from v1: - moved barriers out of loop in udelay() - dropped broken GIC change in favour of explanatory comment - made the increment of ready_cpus atomic (I couldn''t move the increment to before signalling the next CPU because the PT switch has to happen between

The following dump-core patches changes its format into ELF, adds PFN-GMFN table, HVM support, and adds experimental IA64 support. - ELF format Program header and note section are adopted. - HVM domain support To know the memory area to dump, XENMEM_set_memory_map is added. XENMEM_memory_map hypercall is for current domain, so new one is created. and hvm domain builder tell xen its

Changes from v3: - mini-os configuration files moved into stubdom/ - mini-os extra console support now a config option - Fewer #ifdefs - grant table setup uses hypercall bounce - Xenstore stub domain syslog support re-enabled Changes from v2: - configuration support added to mini-os build system - add mini-os support for conditionally compiling frontends, xenbus -

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

Hello everyone, this is the very first 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