search for: extent_ord

...y: Jan Beulich <jbeulich@suse.com> --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -99,7 +99,8 @@ static void populate_physmap(struct memo a->nr_extents-1) ) return; - if ( !multipage_allocation_permitted(current->domain, a->extent_order) ) + if ( a->memflags & MEMF_populate_on_demand ? a->extent_order > MAX_ORDER : + !multipage_allocation_permitted(current->domain, a->extent_order) ) return; for ( i = a->nr_done; i < a->nr_extents; i++ ) @@ -115,8 +116,7 @@ static void popul...

...page_info *page; + struct page_info *page = NULL; unsigned long i, j; xen_pfn_t gpfn, mfn; struct domain *d = a->domain; @@ -122,7 +125,33 @@ static void populate_physmap(struct memop_args *a) } else { - page = alloc_domheap_pages(d, a->extent_order, a->memflags); +#ifdef CONFIG_ARM + if ( d == dom0 && platform_has_quirk(PLATFORM_QUIRK_DOM0_MAPPING_11) ) + { + mfn = gpfn; + if (!mfn_valid(mfn)) + { + gdprintk(XENLOG_INFO, "Invalid mfn 0x%&qu...

Last year we had a discussion[1] about how the hypercall ABI unfortunately contains fields that change width between 32- and 64-bit builds. This is a huge problem as we come up on the python management stack for ppc64, since the distributions ship 32-bit python. A 32-bit python/libxc cannot currently manage a 64-bit hypervisor. I had a patch but was unable to test it, and some other things were

2013/10/29, mail fetch <fetchmail.0104@gmail.com>: > Hi all, > > I just saw a know bug from wiki that network doesn''t work in guest in > arndale board : > > Network doesn''t work in the guest > > Contact: julien.grall@citrix.com > Status: In progress > Description: Network doesn''t work in the guest when an ehternet cable is > plugged

Hi Jeremy. Here are the 3 patches for ia64/xen support. The first one is just to move manage.c under drivers/xen. This is trivial. The second and third ones are for compilation fix on ia64. You may want to postpone those 2 patches to make your merge task easy as you said before. thanks, Diffstat arch/x86/xen/Makefile | 2 +- drivers/xen/Makefile | 2 +-

Hi Jeremy. Here are the 3 patches for ia64/xen support. The first one is just to move manage.c under drivers/xen. This is trivial. The second and third ones are for compilation fix on ia64. You may want to postpone those 2 patches to make your merge task easy as you said before. thanks, Diffstat arch/x86/xen/Makefile | 2 +- drivers/xen/Makefile | 2 +-

...k so my responsiveness to comments may be slower for awhile. --djm] v3->v4: (please ignore v3) - Process error, sent stale patch, sorry [djm] v2->v3: - Add per-domain and global "get" for unclaimed info [JBeulich] - New hypercall(s) should fail for unpriv callers [IanC] - Non-zero extent_order disallowed [JBeulich] - Remove bonehead ASSERTs [JBeulich] - Need not hold heaplock for decrease case too [JBeulich] - More descriptive failure return values [JBeulich] - Don''t allow a claim to exceed max_pages [IanC] - Subops must be in correct ifdef block in memory.c [keir] v1->v2:...

I am confused with a problem: I have a blade with 64 physical CPUs and 64G physical RAM, and defined only one VM with 1 CPU and 40G RAM. For the first time I started the VM, it just took 3s, But for the second starting it took 30s. After studied it by printing log, I have located a place in the hypervisor where cost too much time, occupied 98% of the whole starting time. xen/common/page_alloc.c

...dat) + rollback_node_hotadd(nid, pgdat); + +out: + unlock_system_sleep(); + return ret; +} + +static int allocate_additional_memory(unsigned long nr_pages) +{ + long rc; + resource_size_t r_min, r_size; + struct resource *r; + struct xen_memory_reservation reservation = { + .address_bits = 0, + .extent_order = 0, + .domid = DOMID_SELF + }; + unsigned long flags, i, pfn; + + if (nr_pages > ARRAY_SIZE(frame_list)) + nr_pages = ARRAY_SIZE(frame_list); + + spin_lock_irqsave(&balloon_lock, flags); + + if (!is_memory_resource_reserved()) { + + /* + * Look for first unused memory region s...

We have implemented hugepage support for guests in following manner In our implementation we added a parameter hugepage_num which is specified in the config file of the DomU. It is the number of hugepages that the guest is guaranteed to receive whenever the kernel asks for hugepage by using its boot time parameter or reserving after booting (eg. Using echo XX > /proc/sys/vm/nr_hugepages).

...sizeof(memory_reservation->extent_start)); + PRE_MEM_READ(which, + (Addr)&memory_reservation->nr_extents, + sizeof(memory_reservation->nr_extents)); + PRE_MEM_READ(which, + (Addr)&memory_reservation->extent_order, + sizeof(memory_reservation->extent_order)); + PRE_MEM_READ(which, + (Addr)&memory_reservation->mem_flags, + sizeof(memory_reservation->mem_flags)); + PRE_MEM_READ(which, + (Addr)&memory_reservatio...

...wrote: [...] > > +static int allocate_additional_memory(unsigned long nr_pages) > > +{ > > + long rc; > > + resource_size_t r_min, r_size; > > + struct resource *r; > > + struct xen_memory_reservation reservation = { > > + .address_bits = 0, > > + .extent_order = 0, > > + .domid = DOMID_SELF > > + }; > > + unsigned long flags, i, pfn; > > + > > + if (nr_pages > ARRAY_SIZE(frame_list)) > > + nr_pages = ARRAY_SIZE(frame_list); > > + > > + spin_lock_irqsave(&balloon_lock, flags); > > + &...

At OLS we had a couple of "Xen Mini Summit" sessions. Although there weren''t any formal minutes, here''s a rough summary of what we discussed/concluded. Status as of 24 July 2005 ========================= Summary: We have a couple of annoying bugs, but things are coming together nicely. x86_32p (PAE 16GB) and x86_64 ports are close to being feature complete with

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

Hi. This patchset implements xen/ia64 domU support. Qing He and Eddie Dong also has been woring on pv_ops so that I want to discuss before going further and avoid duplicated work. I suppose that Eddie will also post his own patch. So reviewing both patches, we can reach to better pv_ops interface. - I didn't changed the ia64 intrinsic paravirtulization abi from the last post. Presumably it

Hi. This patchset implements xen/ia64 domU support. Qing He and Eddie Dong also has been woring on pv_ops so that I want to discuss before going further and avoid duplicated work. I suppose that Eddie will also post his own patch. So reviewing both patches, we can reach to better pv_ops interface. - I didn't changed the ia64 intrinsic paravirtulization abi from the last post. Presumably it

Hi. This patchset implements ia64/xen domU support based on ia64/pv_ops frame work which was sent as another patchest. Changes from take 5 are rebased to Linux 2.6.26-rc3, bug fix ivt.S paravirtualization and multi entry point support. I believe these patches can be applied to the linux ia64 repository. This patchset does the followings. - Some preparation work. Mainly importing header files to

Hi. This patchset implements ia64/xen domU support based on ia64/pv_ops frame work which was sent as another patchest. Changes from take 5 are rebased to Linux 2.6.26-rc3, bug fix ivt.S paravirtualization and multi entry point support. I believe these patches can be applied to the linux ia64 repository. This patchset does the followings. - Some preparation work. Mainly importing header files to

Hi. This patchset implements ia64/xen domU support based on ia64/pv_ops frame work which was sent as another patchest. This patchset does the followings. - Some preparation work. Mainly importing header files to define related structures. - Then, define functions related to hypercall which is the way to communicate with Xen hypervisor. - Add some helper functions which is necessary to

Hi. This patchset implements ia64/xen domU support based on ia64/pv_ops frame work which was sent as another patchest. This patchset does the followings. - Some preparation work. Mainly importing header files to define related structures. - Then, define functions related to hypercall which is the way to communicate with Xen hypervisor. - Add some helper functions which is necessary to