search for: p2m_teardown

...l exhausted\n", d->domain_id); + return -EBUSY; + } + + set_bit(nr, vmid_mask); + + p2m->vmid = nr; + + return 0; +} + +static void p2m_free_vmid(struct domain *d) +{ + struct p2m_domain *p2m = &d->arch.p2m; + clear_bit(p2m->vmid, vmid_mask); +} + void p2m_teardown(struct domain *d) { struct p2m_domain *p2m = &d->arch.p2m; @@ -318,25 +359,33 @@ void p2m_teardown(struct domain *d) p2m->first_level = NULL; + p2m_free_vmid(d); + spin_unlock(&p2m->lock); } int p2m_init(struct domain *d) { struct p2m_domain *p2m =...

Commit 90805dc (c/s 26387:4056e5a3d815) ("EPT: Make ept data stucture or operations neutral") makes nested p2m tables be unlinked from the host p2m table before their destruction (in p2m_teardown_nestedp2m). However, by this time the host p2m table has already been torn down, leading to a possible race condition where another allocation between the two kinds of table being torn down can lead to a linked list assertion with debug=y builds or memory corruption on debug=n ones. Fix by swappin...

Another bundle of issues from Coverity triage. The first one is in x86/mm, and looks scarier than it is. The others are all in xen/drivers and AFAICT are pretty minor. Cheers, Tim.

George has release acked all of these. Otherwise mostly minor updates this time around. Summary: A == acked, M == modified A xen: arm64: Add 8250 earlyprintk support A xen: arm64: Add Basic Platform support for APM X-Gene Storm. A xen: arm64: Add APM implementor id to processor implementers. M xen: arm: add a quirk to handle platforms with unusual GIC layout A xen: arm: allow platform

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

Populate-on-demand: Check pages being returned by the balloon driver This patch series is the second result of my work last summer on decreasing fragmentation of superpages in a guests'' p2m when using populate-on-demand. This patch series is against 4.1; I''m posting it to get feedback on the viability of getting a ported version of this patch into 4.2. As with the previous

I''m afraid this series is rather a grab bag and it is distressingly large at this stage. With this series I can boot an Xgene board until it fails to find its SATA controller. This is a dom0 issue for which patches are pending from APM (/me nudges Anup). As well as the APM specific platform stuff there are also some generic improvements which were either necessary or useful during this

(moving to xen-devel, xen-arm is for the older PV ARM port) On Tue, 2013-06-25 at 23:59 +0000, Eric Trudeau wrote: > Hi, I am trying to build the XEN tools for our port of XEN to our > Cortex A15-based platform. > > I am using the repo at git://xenbits.xenproject.org/xen.git to > cross-compile the tools into our rootfs. Which branch/changeset are you using? I've heard that

This patch series tidies up a few bits ofthe nested p2m code. The main thing it does is reorganize the locking so that most of the changes to nested p2m tables happen only under the p2m lock, and the nestedp2m lock is only needed to reassign p2m tables to new cr3 values. Changes since v1: - a few minor fixes - more sensible flushing policy in p2m_get_nestedp2m() - smoke-tested this time!

From: Zhang Xiantao <xiantao.zhang@intel.com> With virtual EPT support, L1 hyerpvisor can use EPT hardware for L2 guest''s memory virtualization. In this way, L2 guest''s performance can be improved sharply. According to our testing, some benchmarks can show > 5x performance gain. Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com> Zhang Xiantao (11):