From mboxrd@z Thu Jan 1 00:00:00 1970 From: f4da1594@opayq.com Subject: Delivery Status Notification (Delay) Date: Sun, 11 Jun 2017 17:50:43 -0700 (PDT) Message-ID: <1226475577.24899.1497228644732.JavaMail.root@smtp5.opayq.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1784450960011842605==" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org --===============1784450960011842605== Content-Type: multipart/report; boundary="f403045d176e72ab640551b8b507"; report-type=delivery-status --f403045d176e72ab640551b8b507 Content-Type: multipart/related; boundary="f403045d176e72ac020551b8b508" --f403045d176e72ac020551b8b508 Content-Type: multipart/alternative; boundary="f403045d176e72ac070551b8b509" --f403045d176e72ac070551b8b509 Content-Type: text/plain; charset="UTF-8" ** Delivery incomplete ** There was a temporary problem delivering your message to curtiskwong9@gmail.com. Gmail will retry for 47 more hours. You'll be notified if the delivery fails permanently. The response was: Receive rate too high --f403045d176e72ac070551b8b509 Content-Type: text/html; charset="UTF-8"

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(https= ://dnt.abine.com/#help/faq/faq-whataremaskedemails). IF THIS IS SPAM, CLICK HERE TO BLOCK: https://dnt.abine.com/#/block_email/f4da1594@opayq.com/FWD-737QHYSMHVAYQAUC= AOIQBDAAGAQLMA2YAMHECCJDLIBAYAWYAKIAZAQHSMCCWMBLIA4UANQUEIGCIMBKMAZUZ4AAEAA= CA=3D=3D=3D@opayq.com Want to shop safely and privately online? Go Premium: https://dnt.abine.com= /?pk_campaign=3DmaskHeader#premium -------------------------by Abine------------------------- commit a39c6b4516996ae1e776a46743dbcb78002b9dd8 Author: Jan Beulich AuthorDate: Wed Jun 7 11:36:30 2017 +0200 Commit: Jan Beulich CommitDate: Wed Jun 7 11:36:30 2017 +0200 x86/NPT: deal with fallout from 2Mb/1Gb unmapping change =20 Commit efa9596e9d ("x86/mm: fix incorrect unmapping of 2MB and 1GB pages") left the NPT code untouched, as there is no explicit alignment check matching the one in EPT code. However, the now more widespread storing of INVALID_MFN into PTEs requires adjustments: - calculations when shattering large pages may spill into the p2m type field (converting p2m_populate_on_demand to p2m_grant_map_rw) - use OR instead of PLUS, - the use of plain l{2,3}e_from_pfn() in p2m_pt_set_entry() results in all upper (flag) bits being clobbered - introduce and use p2m_l{2,3}e_from_pfn(), paralleling the existing L1 variant. =20 Reported-by: Boris Ostrovsky Signed-off-by: Jan Beulich Tested-by: Boris Ostrovsky Acked-by: George Dunlap Release-acked-by: Julien Grall master commit: 83520cb4aa39ebeb4eb1a7cac2e85b413e75a336 master date: 2017-06-06 14:32:54 +0200 --- xen/arch/x86/mm/p2m-pt.c | 34 +++++++++++++++++++--------------- 1 file changed, 19 insertions(+), 15 deletions(-) diff --git a/xen/arch/x86/mm/p2m-pt.c b/xen/arch/x86/mm/p2m-pt.c index 2eddeee..06e64b8 100644 --- a/xen/arch/x86/mm/p2m-pt.c +++ b/xen/arch/x86/mm/p2m-pt.c @@ -45,13 +45,20 @@ #undef page_to_mfn #define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) =20 -/* We may store INVALID_MFN in l1 PTEs. We need to clip this - * to avoid trampling over higher-order bits (NX, p2m type, IOMMU flags). = We - * seem to not need to unclip on the return path, as callers are concerned= only - * with p2m type in such cases.=20 +/* + * We may store INVALID_MFN in PTEs. We need to clip this to avoid trampl= ing + * over higher-order bits (NX, p2m type, IOMMU flags). We seem to not nee= d + * to unclip on the read path, as callers are concerned only with p2m type= in + * such cases. */ #define p2m_l1e_from_pfn(pfn, flags) \ l1e_from_pfn((pfn) & (PADDR_MASK >> PAGE_SHIFT), (flags)) +#define p2m_l2e_from_pfn(pfn, flags) \ + l2e_from_pfn((pfn) & ((PADDR_MASK & ~(_PAGE_PSE_PAT | 0UL)) \ + >> PAGE_SHIFT), (flags) | _PAGE_PSE) +#define p2m_l3e_from_pfn(pfn, flags) \ + l3e_from_pfn((pfn) & ((PADDR_MASK & ~(_PAGE_PSE_PAT | 0UL)) \ + >> PAGE_SHIFT), (flags) | _PAGE_PSE) =20 /* PTE flags for the various types of p2m entry */ #define P2M_BASE_FLAGS \ @@ -243,7 +250,7 @@ p2m_next_level(struct p2m_domain *p2m, void **table, l1_entry =3D __map_domain_page(pg); for ( i =3D 0; i < L2_PAGETABLE_ENTRIES; i++ ) { - new_entry =3D l1e_from_pfn(pfn + (i * L1_PAGETABLE_ENTRIES), f= lags); + new_entry =3D l1e_from_pfn(pfn | (i * L1_PAGETABLE_ENTRIES), f= lags); p2m_add_iommu_flags(&new_entry, 1, IOMMUF_readable|IOMMUF_writ= able); p2m->write_p2m_entry(p2m, gfn, l1_entry + i, new_entry, 2); } @@ -277,7 +284,7 @@ p2m_next_level(struct p2m_domain *p2m, void **table, l1_entry =3D __map_domain_page(pg); for ( i =3D 0; i < L1_PAGETABLE_ENTRIES; i++ ) { - =20 ----- Message truncated ----- --f403045d176e72ab640551b8b507-- --===============1784450960011842605== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5v cmcveGVuLWRldmVsCg== --===============1784450960011842605==--