[Xen-devel] [linux-4.1 test] 114665: tolerable FAIL - PUSHED

2017-10-18 Thread osstest service owner
flight 114665 linux-4.1 real [real] http://logs.test-lab.xenproject.org/osstest/logs/114665/ Failures :-/ but no regressions. Tests which are failing intermittently (not blocking): test-armhf-armhf-xl-rtds 7 xen-boot fail in 114646 pass in 114665 test-armhf-armhf-xl-vhd 6 xen

Re: [Xen-devel] [PATCH V3 4/29] tools/libacpi: Add DMA remapping reporting (DMAR) ACPI table structures

2017-10-18 Thread Lan Tianyu
On 2017年10月18日 22:36, Roger Pau Monné wrote: > On Thu, Sep 21, 2017 at 11:01:45PM -0400, Lan Tianyu wrote: >> From: Chao Gao >> >> Add dmar table structure according Chapter 8 "BIOS Considerations" of >> VTd spec Rev. 2.4. >> >> VTd >> spec:http://www.intel.com/content/dam/www/public/us/en/docume

Re: [Xen-devel] [PATCH V3 3/29] DOMCTL: Introduce new DOMCTL commands for vIOMMU support

2017-10-18 Thread Lan Tianyu
On 2017年10月18日 22:18, Roger Pau Monné wrote: > On Thu, Sep 21, 2017 at 11:01:44PM -0400, Lan Tianyu wrote: >> This patch is to introduce create, destroy and query capabilities >> command for vIOMMU. vIOMMU layer will deal with requests and call >> arch vIOMMU ops. >> >> Signed-off-by: Lan Tianyu >

Re: [Xen-devel] [PATCH V3 2/29] VIOMMU: Add vIOMMU helper functions to create, destroy vIOMMU instance

2017-10-18 Thread Lan Tianyu
On 2017年10月18日 22:05, Roger Pau Monné wrote: > On Thu, Sep 21, 2017 at 11:01:43PM -0400, Lan Tianyu wrote: >> +int viommu_destroy_domain(struct domain *d) >> +{ >> +int ret; >> + >> +if ( !d->viommu ) >> +return -EINVAL; > > ENODEV would be better. OK. Will update. > >> + >> +

[Xen-devel] [PATCH v3 6/7] libxl:xl: add parsing code to parse "libxl_static_sshm" from xl config files

2017-10-18 Thread Zhongze Liu
Add the parsing utils for the newly introduced libxl_static_sshm struct to the libxl/libxlu_* family. And add realated parsing code in xl to parse the struct from xl config files. This is for the proposal "Allow setting up shared memory areas between VMs from xl config file" (see [1]). [1] https:/

[Xen-devel] [PATCH v3 7/7] docs: documentation about static shared memory regions

2017-10-18 Thread Zhongze Liu
Add docs to document the motivation, usage, use cases and other relavant infomation about the static shared memory feature. This is for the proposal "Allow setting up shared memory areas between VMs from xl config file". See: https://lists.xen.org/archives/html/xen-devel/2017-08/msg03242.html

[Xen-devel] [PATCH v3 0/7] Allow setting up shared memory areas between VMs from xl config files

2017-10-18 Thread Zhongze Liu
This series implements the new xl config entry proposed in [1]. Users can use the new config entry to statically setup shared memory areas among VMs that don't have grant table support so that they could communicate with each other through the static shared memory areas. [1] Proposla to allow sett

[Xen-devel] [PATCH v3 5/7] libxl: support unmapping static shared memory areas during domain destruction

2017-10-18 Thread Zhongze Liu
Add libxl__sshm_del to unmap static shared memory areas mapped by libxl__sshm_add during domain creation. The unmapping process is: * For a master: decrease the refcount of the sshm region, if the refcount reaches 0, cleanup the whole sshm path. * For a slave: unmap the shared pages, and cleanup

[Xen-devel] [PATCH v3 4/7] libxl: support mapping static shared memory areas during domain creation

2017-10-18 Thread Zhongze Liu
Add libxl__sshm_add to map shared pages from one DomU to another, The mapping process involves the follwing steps: * Set defaults and check for further errors in the static_shm configs: overlapping areas, invalid ranges, duplicated master domain, no master domain etc. * Write infomatio

[Xen-devel] [PATCH v3 2/7] xsm: flask: change the dummy xsm policy and flask hook for map_gmfn_foregin

2017-10-18 Thread Zhongze Liu
The original dummy xsm_map_gmfn_foregin checks if source domain has the proper privileges over the target domain. Under this policy, it's not allowed if a Dom0 wants to map pages from one DomU to another, which restricts some useful yet not dangerous use cases of the API, such as sharing pages amon

[Xen-devel] [PATCH v3 3/7] libxl: introduce a new structure to represent static shared memory regions

2017-10-18 Thread Zhongze Liu
Add a new structure to the IDL familiy to represent static shared memory regions as proposed in the proposal "Allow setting up shared memory areas between VMs from xl config file" (see [1]). [1] https://lists.xen.org/archives/html/xen-devel/2017-08/msg03242.html Signed-off-by: Zhongze Liu Review

[Xen-devel] [PATCH v3 1/7] libxc: add xc_domain_remove_from_physmap to wrap XENMEM_remove_from_physmap

2017-10-18 Thread Zhongze Liu
This is for the proposal "Allow setting up shared memory areas between VMs from xl config file". See: https://lists.xen.org/archives/html/xen-devel/2017-08/msg03242.html Then plan is to use XENMEM_add_to_physmap_batch to map the shared pages from one domU to another and use XENMEM_remove_from_p

Re: [Xen-devel] [PATCH V3 1/29] Xen/doc: Add Xen virtual IOMMU doc

2017-10-18 Thread Lan Tianyu
Hi Roger: Thanks for review. On 2017年10月18日 21:26, Roger Pau Monné wrote: > On Thu, Sep 21, 2017 at 11:01:42PM -0400, Lan Tianyu wrote: >> This patch is to add Xen virtual IOMMU doc to introduce motivation, >> framework, vIOMMU hypercall and xl configuration. >> >> Signed-off-by: Lan Tianyu

[Xen-devel] [PATCH v9 02/16] Rename PSR sysctl/domctl interfaces and xsm policy to make them be general

2017-10-18 Thread Yi Sun
This patch renames PSR sysctl/domctl interfaces and related xsm policy to make them be general for all resource allocation features but not only for CAT. Then, we can resuse the interfaces for all allocation features. Basically, it changes 'psr_cat_op' to 'psr_alloc', and remove 'CAT_' from some m

Re: [Xen-devel] [PATCH v1 00/27] x86: PIE support and option to extend KASLR randomization

2017-10-18 Thread Thomas Garnier
On Thu, Oct 12, 2017 at 9:28 AM, Tom Lendacky wrote: > On 10/12/2017 10:34 AM, Thomas Garnier wrote: >> >> On Wed, Oct 11, 2017 at 2:34 PM, Tom Lendacky >> wrote: >>> >>> On 10/11/2017 3:30 PM, Thomas Garnier wrote: Changes: - patch v1: - Simplify ftrace implementation

Re: [Xen-devel] [PATCH v1 15/27] compiler: Option to default to hidden symbols

2017-10-18 Thread Thomas Garnier
On Thu, Oct 12, 2017 at 1:02 PM, Luis R. Rodriguez wrote: > On Wed, Oct 11, 2017 at 01:30:15PM -0700, Thomas Garnier wrote: >> Provide an option to default visibility to hidden except for key >> symbols. This option is disabled by default and will be used by x86_64 >> PIE support to remove errors

[Xen-devel] [xen-unstable baseline-only test] 72329: regressions - trouble: blocked/broken/fail/pass

2017-10-18 Thread Platform Team regression test user
This run is configured for baseline tests only. flight 72329 xen-unstable real [real] http://osstest.xs.citrite.net/~osstest/testlogs/logs/72329/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-armhf-armhf-examine 10 examine-serial/

[Xen-devel] [PATCH v2] arm: configure interrupts to be in non-secure group1

2017-10-18 Thread Stefano Stabellini
Xen uses non-secure group1 interrupts, however it doesn't configure the GICv3 accordingly. Xen needs to set GICD_IGROUPR for SPIs and GICR_IGROUPR0 for local interrupt to "1" to specify that interrupts belong to group1. This is particularly important if the system has GICD_CTLR.DS set, also see com

Re: [Xen-devel] [PATCH v2 1/2] x86/boot: fix early error display

2017-10-18 Thread Doug Goldstein
On 10/18/17 4:50 AM, Jan Beulich wrote: On 17.10.17 at 23:41, wrote: >> From: David Esler >> >> In 9180f5365524 a change was made to the send_chr function to take in >> C-strings and print out a character at a time until a NULL was >> encountered. However there is no code to increment the cu

[Xen-devel] [libvirt test] 114669: tolerable all pass - PUSHED

2017-10-18 Thread osstest service owner
flight 114669 libvirt real [real] http://logs.test-lab.xenproject.org/osstest/logs/114669/ Failures :-/ but no regressions. Tests which did not succeed, but are not blocking: test-armhf-armhf-libvirt-xsm 14 saverestore-support-checkfail like 114531 test-armhf-armhf-libvirt 14 saveresto

[Xen-devel] [PATCH RFC v2 2/8] Modified xl stack to receieve mirror QEMU disk option

2017-10-18 Thread Bruno Alvisio
--- tools/ocaml/libs/xl/xenlight_stubs.c | 4 +-- tools/xl/xl.h| 1 + tools/xl/xl_migrate.c| 47 +--- tools/xl/xl_saverestore.c| 2 +- tools/xl/xl_vmcontrol.c | 5 ++-- 5 files changed, 45 insertio

[Xen-devel] [PATCH RFC v2 3/8] Adapted libxl to handle migration of instance with qemu based disks

2017-10-18 Thread Bruno Alvisio
--- tools/libxl/libxl.h | 11 ++- tools/libxl/libxl_create.c | 191 --- tools/libxl/libxl_dm.c | 26 -- tools/libxl/libxl_dom_save.c | 85 - tools/libxl/libxl_domain.c | 4 +- tools/libxl/libxl_inte

[Xen-devel] [PATCH RFC v2 5/8] Improved migration flow syntax in libxl

2017-10-18 Thread Bruno Alvisio
--- tools/libxl/libxl_create.c | 5 +++-- tools/libxl/libxl_dm.c | 10 +- tools/libxl/libxl_internal.h | 4 ++-- tools/libxl/libxl_save_callout.c | 41 +--- tools/libxl/libxl_save_helper.c | 15 ++- tools/libxl/libxl_ty

[Xen-devel] [PATCH RFC v2 6/8] Adapted libxc for migration of local disk

2017-10-18 Thread Bruno Alvisio
--- tools/libxc/include/xenguest.h| 6 +- tools/libxc/xc_nomigrate.c| 6 +- tools/libxc/xc_sr_common.h| 3 + tools/libxc/xc_sr_restore.c | 14 +++-- tools/libxc/xc_sr_save.c | 118 +- tools/libxc/xc_sr_save_x86_hvm.c |

[Xen-devel] [PATCH RFC v2 8/8] Added support to handle QMP events

2017-10-18 Thread Bruno Alvisio
--- tools/libxl/libxl_dom_save.c | 71 tools/libxl/libxl_qmp.c | 150 +-- 2 files changed, 170 insertions(+), 51 deletions(-) diff --git a/tools/libxl/libxl_dom_save.c b/tools/libxl/libxl_dom_save.c index ddfe2f8..d188dd2 100644 -

[Xen-devel] [PATCH RFC v2 0/8] Live migration for VMs with QEMU backed local storage

2017-10-18 Thread Bruno Alvisio
I am reviving this thread about the migration of VMs with local storage. I have worked on a solution to be able to migrate VMs that use QEMU as the backend disk driver. I have adapted the migration flow and piggybacked on the “drive-mirroring” capability already provided by QEMU. Overview 1. Th

[Xen-devel] [PATCH RFC v2 7/8] Fixed bugs in the migration flow

2017-10-18 Thread Bruno Alvisio
--- tools/libxc/xc_sr_save.c | 1 - tools/libxl/libxl_create.c | 15 --- tools/libxl/libxl_dom_save.c | 2 +- tools/libxl/libxl_domain.c | 2 +- tools/libxl/libxl_internal.h | 2 +- tools/libxl/libxl_save_callout.c | 5 +++-- tools/libxl/libxl_stream_wr

[Xen-devel] [PATCH RFC v2 4/8] Remove stop NBD server command from xl

2017-10-18 Thread Bruno Alvisio
--- tools/xl/xl_migrate.c | 11 --- 1 file changed, 11 deletions(-) diff --git a/tools/xl/xl_migrate.c b/tools/xl/xl_migrate.c index fee726f..9f43d96 100644 --- a/tools/xl/xl_migrate.c +++ b/tools/xl/xl_migrate.c @@ -427,17 +427,6 @@ static void migrate_receive(int debug, int daemonize, i

[Xen-devel] [PATCH RFC v2 1/8] Added QMP commands for adding NBD server and disk migration

2017-10-18 Thread Bruno Alvisio
--- tools/libxl/libxl_internal.h | 18 +++ tools/libxl/libxl_qmp.c | 125 ++- 2 files changed, 142 insertions(+), 1 deletion(-) diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h index 7247509..1349a8f 100644 --- a/tools/libx

[Xen-devel] [xen-4.9-testing baseline-only test] 72328: tolerable trouble: blocked/broken/fail/pass

2017-10-18 Thread Platform Team regression test user
This run is configured for baseline tests only. flight 72328 xen-4.9-testing real [real] http://osstest.xs.citrite.net/~osstest/testlogs/logs/72328/ Failures :-/ but no regressions. Regressions which are regarded as allowable (not blocking): test-amd64-i386-xl-qemuu-win7-amd64 17 guest-stop

Re: [Xen-devel] [PATCH RFC] ARM: vPL011: use receive timeout interrupt

2017-10-18 Thread Bhupinder Thakur
Hi Andre, I verified this patch on qualcomm platform. It is working fine. On 18 October 2017 at 19:11, Andre Przywara wrote: > Instead of asserting the receive interrupt (RXI) on the first character > in the FIFO, lets (ab)use the receive timeout interrupt (RTI) for that > purpose. That seems to

Re: [Xen-devel] [PATCH] MAINTAINERS: Make Christian Lindig maintainer for ocaml tools

2017-10-18 Thread David Scott
Hi, This is great! I don’t know if the protocol requires it, but if so then Acked-by: David Scott mailto:d...@recoil.org>> Cheers, Dave > On 17 Oct 2017, at 18:44, Ian Jackson wrote: > > oxenstored is our default implementation of xenstore, for platforms > that have ocaml support. We need i

[Xen-devel] [qemu-mainline test] 114667: regressions - FAIL

2017-10-18 Thread osstest service owner
flight 114667 qemu-mainline real [real] http://logs.test-lab.xenproject.org/osstest/logs/114667/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: build-i3866 xen-buildfail REGR. vs. 114507 build-amd64-xsm

Re: [Xen-devel] [PATCH V3 5/29] tools/libacpi: Add new fields in acpi_config for DMAR table

2017-10-18 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:01:46PM -0400, Lan Tianyu wrote: > From: Chao Gao > > The BIOS reports the remapping hardware units in a platform to system software > through the DMA Remapping Reporting (DMAR) ACPI table. > New fields are introduces for DMAR table. These new fields are set by

[Xen-devel] [xen-unstable-smoke test] 114696: tolerable all pass - PUSHED

2017-10-18 Thread osstest service owner
flight 114696 xen-unstable-smoke real [real] http://logs.test-lab.xenproject.org/osstest/logs/114696/ Failures :-/ but no regressions. Tests which did not succeed, but are not blocking: test-amd64-amd64-libvirt 13 migrate-support-checkfail never pass test-armhf-armhf-xl 1

Re: [Xen-devel] [PATCH v8 02/16] Rename PSR sysctl/domctl interfaces and xsm policy to make them be general

2017-10-18 Thread Wei Liu
On Wed, Oct 18, 2017 at 08:14:20AM -0600, Jan Beulich wrote: > >>> On 16.10.17 at 05:04, wrote: > > v7: > > - add single trailing underscore for internal variabled in macro. > > (suggested by Jan Beulich) > > - add parentheses for input parameters of marcro. > > (suggested by J

Re: [Xen-devel] [PATCH V3 4/29] tools/libacpi: Add DMA remapping reporting (DMAR) ACPI table structures

2017-10-18 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:01:45PM -0400, Lan Tianyu wrote: > From: Chao Gao > > Add dmar table structure according Chapter 8 "BIOS Considerations" of > VTd spec Rev. 2.4. > > VTd > spec:http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/vt-directed-io-spec.pdf >

Re: [Xen-devel] [PATCH] libxc: don't fail domain creation when unpacking initrd fails

2017-10-18 Thread Jan Beulich
>>> On 16.10.17 at 18:43, wrote: > Jan Beulich writes ("Re: [PATCH] libxc: don't fail domain creation when > unpacking initrd fails"): >> On 16.10.17 at 17:45, wrote: >> > Is there no way to tell that a kernel supports gzipped initrds by >> > looking at the kernel ? >> >> Well, Linux kernels ha

Re: [Xen-devel] [PATCH V3 3/29] DOMCTL: Introduce new DOMCTL commands for vIOMMU support

2017-10-18 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:01:44PM -0400, Lan Tianyu wrote: > This patch is to introduce create, destroy and query capabilities > command for vIOMMU. vIOMMU layer will deal with requests and call > arch vIOMMU ops. > > Signed-off-by: Lan Tianyu > --- > xen/common/domctl.c | 6 ++ >

Re: [Xen-devel] [PATCH v8 02/16] Rename PSR sysctl/domctl interfaces and xsm policy to make them be general

2017-10-18 Thread Jan Beulich
>>> On 16.10.17 at 05:04, wrote: > v7: > - add single trailing underscore for internal variabled in macro. > (suggested by Jan Beulich) > - add parentheses for input parameters of marcro. > (suggested by Jan Beulich) > - adjust the postion of macro. > (suggested by Ja

Re: [Xen-devel] [PATCH V3 2/29] VIOMMU: Add vIOMMU helper functions to create, destroy vIOMMU instance

2017-10-18 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:01:43PM -0400, Lan Tianyu wrote: > This patch is to introduce an abstract layer for arch vIOMMU implementation > to deal with requests from dom0. Arch vIOMMU code needs to provide callback > to do create and destroy operation. > > Signed-off-by: Lan Tianyu > --- > docs

[Xen-devel] [PATCH v1 0/5] Add dmops to allow use of VGA with restricted QEMU

2017-10-18 Thread Ross Lagerwall
The recently added support for restricting QEMU prevents use of the VGA console. This series addresses that by adding a couple of new dmops. A corresponding patch for QEMU is needed to make use of the new dmops. Ross Lagerwall (5): xen/mm: Make xenmem_add_to_physmap public xen: Provide XEN_DMO

[Xen-devel] [PATCH v1 4/5] tools: libxendevicemodel: Provide xendevicemodel_add_to_physmap

2017-10-18 Thread Ross Lagerwall
Signed-off-by: Ross Lagerwall --- tools/libs/devicemodel/Makefile | 2 +- tools/libs/devicemodel/core.c | 17 + tools/libs/devicemodel/include/xendevicemodel.h | 13 + tools/libs/devicemodel/libxendevicemodel.map| 5 + 4 file

[Xen-devel] [PATCH v1 1/5] xen/mm: Make xenmem_add_to_physmap global

2017-10-18 Thread Ross Lagerwall
Make it global in preparation to be called by a new dmop. Signed-off-by: Ross Lagerwall --- xen/common/memory.c | 5 ++--- xen/include/xen/mm.h | 3 +++ 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/xen/common/memory.c b/xen/common/memory.c index ad987e0..c4f05c7 100644 --- a/x

[Xen-devel] [PATCH v1 5/5] tools: libxendevicemodel: Provide xendevicemodel_pin_memory_cacheattr

2017-10-18 Thread Ross Lagerwall
Signed-off-by: Ross Lagerwall --- tools/libs/devicemodel/core.c | 19 +++ tools/libs/devicemodel/include/xendevicemodel.h | 14 ++ tools/libs/devicemodel/libxendevicemodel.map| 1 + 3 files changed, 34 insertions(+) diff --git a/tools/libs/devic

[Xen-devel] [PATCH v1 2/5] xen: Provide XEN_DMOP_add_to_physmap

2017-10-18 Thread Ross Lagerwall
Provide XEN_DMOP_add_to_physmap, a limited version of XENMEM_add_to_physmap to allow a deprivileged QEMU to move VRAM when a guest programs its BAR. It is equivalent to XENMEM_add_to_physmap with space == XENMAPSPACE_gmfn. Signed-off-by: Ross Lagerwall --- xen/arch/x86/hvm/dm.c | 17 +++

[Xen-devel] [PATCH v1 3/5] xen: Provide XEN_DMOP_pin_memory_cacheattr

2017-10-18 Thread Ross Lagerwall
Provide XEN_DMOP_pin_memory_cacheattr to allow a deprivileged QEMU to pin the caching type of RAM after moving the VRAM. It is equivalent to XEN_DOMCTL_pin_memory_cacheattr. Signed-off-by: Ross Lagerwall --- xen/arch/x86/hvm/dm.c | 12 xen/include/public/hvm/dm_op.h | 14 ++

Re: [Xen-devel] [PATCH v2 for-4.10] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread Jan Beulich
>>> On 18.10.17 at 15:49, wrote: > On 10/18/2017 02:41 PM, Jan Beulich wrote: > On 18.10.17 at 12:51, wrote: >>> @@ -2334,6 +2368,9 @@ static int _put_page_type(struct page_info *page, >>> bool preemptible, >>> ASSERT(ptpg->linear_pt_count > 0); >>> ptpg = N

Re: [Xen-devel] [PATCH] gcov: support gcc 7.x

2017-10-18 Thread Wei Liu
On Wed, Oct 18, 2017 at 07:45:53AM -0600, Jan Beulich wrote: > Taking Linux commit 0538421343 ("gcov: support GCC 7.1") as reference, > enable gcc 7 support requiring __gcov_exit() and having 9 counters. > > Signed-off-by: Jan Beulich Acked-by: Wei Liu > --- > Considering that gcc 7 has been o

Re: [Xen-devel] [PATCH v2 for-4.10] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread George Dunlap
On 10/18/2017 02:41 PM, Jan Beulich wrote: On 18.10.17 at 12:51, wrote: >> --- a/xen/arch/x86/Kconfig >> +++ b/xen/arch/x86/Kconfig >> @@ -37,6 +37,26 @@ source "arch/Kconfig" >> config PV >> def_bool y >> >> +config PV_LINEAR_PT >> + bool "Support for PV linear pagetables" >> +

[Xen-devel] [xen-4.7-testing test] 114662: regressions - FAIL

2017-10-18 Thread osstest service owner
flight 114662 xen-4.7-testing real [real] http://logs.test-lab.xenproject.org/osstest/logs/114662/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-xtf-amd64-amd64-4 48 xtf/test-hvm64-lbr-tsx-vmentry fail REGR. vs. 114483 Tests which did

Re: [Xen-devel] [PATCH] gcov: support gcc 7.x

2017-10-18 Thread Andrew Cooper
On 18/10/17 14:45, Jan Beulich wrote: > Taking Linux commit 0538421343 ("gcov: support GCC 7.1") as reference, > enable gcc 7 support requiring __gcov_exit() and having 9 counters. > > Signed-off-by: Jan Beulich Acked-by: Andrew Cooper Like the UBSAN stuff, I think this is reasonable for inclus

[Xen-devel] [PATCH] gcov: support gcc 7.x

2017-10-18 Thread Jan Beulich
Taking Linux commit 0538421343 ("gcov: support GCC 7.1") as reference, enable gcc 7 support requiring __gcov_exit() and having 9 counters. Signed-off-by: Jan Beulich --- Considering that gcc 7 has been out for a while, I think we shouldn't ship 4.10 with not even building gcov when using that com

[Xen-devel] [PATCH v2 for-4.10 2/2] xentoolcore_restrict_all: Implement for libxenevtchn

2017-10-18 Thread Ross Lagerwall
Signed-off-by: Ross Lagerwall --- Changed in v2: * Keep warning about DoS and resource exhaustion being a possibility. (Note that v1 of this patch was incorrectly titled v2.) tools/Rules.mk| 2 +- tools/libs/evtchn/Makefile| 4 ++-- tools/libs/evtch

[Xen-devel] [PATCH v2 for-4.10 1/2] tools/libs/evtchn: Add support for restricting a handle

2017-10-18 Thread Ross Lagerwall
Implement support for restricting evtchn handles to a particular domain on Linux by calling the IOCTL_EVTCHN_RESTRICT_DOMID ioctl (support added in Linux v4.8). Signed-off-by: Ross Lagerwall Acked-by: Ian Jackson Release-acked-by: Julien Grall --- No change since v1. tools/include/xen-sys/Lin

[Xen-devel] [PATCH RFC] ARM: vPL011: use receive timeout interrupt

2017-10-18 Thread Andre Przywara
Instead of asserting the receive interrupt (RXI) on the first character in the FIFO, lets (ab)use the receive timeout interrupt (RTI) for that purpose. That seems to be closer to the spec and what hardware does. Improve the readability of vpl011_data_avail() on the way. Signed-off-by: Andre Przywa

Re: [Xen-devel] [PATCH v2 for-4.10] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread Jan Beulich
>>> On 18.10.17 at 12:51, wrote: > --- a/xen/arch/x86/Kconfig > +++ b/xen/arch/x86/Kconfig > @@ -37,6 +37,26 @@ source "arch/Kconfig" > config PV > def_bool y > > +config PV_LINEAR_PT > + bool "Support for PV linear pagetables" > + depends on PV > + default y > + -

Re: [Xen-devel] [PATCH] arm: configure interrupts to be in non-secure group1

2017-10-18 Thread Julien Grall
Hi, On 10/17/2017 10:32 PM, Stefano Stabellini wrote: Xen uses non-secure group1 interrupts, however it doesn't configure the GICv3 accordingly. Xen needs to set GICD_IGROUPR for SPIs and GICR_IGROUPR0 for local interrupt to "1" to specify that interrupts belong to group1. This is particularly i

Re: [Xen-devel] [PATCH v2 for-4.10] ubsan: add clang 5.0 support

2017-10-18 Thread Julien Grall
Hi Roger, On 10/18/2017 08:45 AM, Roger Pau Monne wrote: clang 5.0 changed the layout of the type_mismatch_data structure and introduced __ubsan_handle_type_mismatch_v1 and __ubsan_handle_pointer_overflow. This commit adds support for the new structure layout, adds the missing handlers and the

Re: [Xen-devel] [PATCH V3 1/29] Xen/doc: Add Xen virtual IOMMU doc

2017-10-18 Thread Roger Pau Monné
On Thu, Sep 21, 2017 at 11:01:42PM -0400, Lan Tianyu wrote: > This patch is to add Xen virtual IOMMU doc to introduce motivation, > framework, vIOMMU hypercall and xl configuration. > > Signed-off-by: Lan Tianyu > --- > docs/misc/viommu.txt | 136 > ++

Re: [Xen-devel] [PATCH] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread Jan Beulich
>>> On 18.10.17 at 12:22, wrote: > On 10/18/2017 10:39 AM, Jan Beulich wrote: > On 17.10.17 at 19:10, wrote: >>> @@ -2330,8 +2360,8 @@ static int _put_page_type(struct page_info *page, >>> bool preemptible, >>> * necessary anymore for a dying domain. >>> *

Re: [Xen-devel] [PATCH for-4.10] string: fix memmove when size is 0

2017-10-18 Thread Jan Beulich
>>> On 18.10.17 at 12:44, wrote: > On Tue, Oct 17, 2017 at 07:00:25AM -0600, Jan Beulich wrote: >> >>> On 17.10.17 at 14:52, wrote: >> > On Tue, Oct 17, 2017 at 01:41:35PM +0100, Andrew Cooper wrote: >> >> There are many passed values which could trigger this warning. Does >> >> >> >> diff --gi

Re: [Xen-devel] [PATCH for-4.10] string: fix memmove when size is 0

2017-10-18 Thread Julien Grall
Hi Roger, On 10/18/2017 11:44 AM, Roger Pau Monné wrote: On Tue, Oct 17, 2017 at 07:00:25AM -0600, Jan Beulich wrote: On 17.10.17 at 14:52, wrote: On Tue, Oct 17, 2017 at 01:41:35PM +0100, Andrew Cooper wrote: There are many passed values which could trigger this warning. Does diff --git a

Re: [Xen-devel] xenconsole: Define and use a macro INVALID_XEN_PFN instead of -1

2017-10-18 Thread Jan Beulich
>>> On 18.10.17 at 15:05, wrote: > On 10/18/2017 12:53 PM, Wei Liu wrote: >> On Wed, Oct 18, 2017 at 04:02:45AM -0600, Jan Beulich wrote: >> On 17.10.17 at 18:46, wrote: --- a/xen/include/public/xen.h +++ b/xen/include/public/xen.h @@ -37,6 +37,8 @@ #error "Unsupported a

Re: [Xen-devel] xenconsole: Define and use a macro INVALID_XEN_PFN instead of -1

2017-10-18 Thread Julien Grall
Hi Wei, On 10/18/2017 12:53 PM, Wei Liu wrote: On Wed, Oct 18, 2017 at 04:02:45AM -0600, Jan Beulich wrote: On 17.10.17 at 18:46, wrote: --- a/xen/include/public/xen.h +++ b/xen/include/public/xen.h @@ -37,6 +37,8 @@ #error "Unsupported architecture" #endif +#define INVALID_XEN_PFN (~(

[Xen-devel] [qemu-mainline bisection] complete build-i386

2017-10-18 Thread osstest service owner
branch xen-unstable xenbranch xen-unstable job build-i386 testid xen-build Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git Tree: qemuu git://git.qemu.org/qemu.git Tree: xen git://xenbits.xen.org/xen.git *** Found and reproduced problem changeset *** Bug is in tree: qemuu git://git.q

[Xen-devel] [xen-unstable-smoke test] 114683: tolerable all pass - PUSHED

2017-10-18 Thread osstest service owner
flight 114683 xen-unstable-smoke real [real] http://logs.test-lab.xenproject.org/osstest/logs/114683/ Failures :-/ but no regressions. Tests which did not succeed, but are not blocking: test-amd64-amd64-libvirt 13 migrate-support-checkfail never pass test-armhf-armhf-xl 1

[Xen-devel] Xen Security Advisory 239 (CVE-2017-15589) - hypervisor stack leak in x86 I/O intercept code

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15589 / XSA-239 version 3 hypervisor stack leak in x86 I/O intercept code UPDATES IN VERSION 3 CVE assigned. ISSUE DESCRIPTION =

[Xen-devel] Xen Security Advisory 241 (CVE-2017-15588) - Stale TLB entry due to page type release race

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15588 / XSA-241 version 4 Stale TLB entry due to page type release race UPDATES IN VERSION 4 CVE assigned. ISSUE DESCRIPTION ==

[Xen-devel] Xen Security Advisory 244 (CVE-2017-15594) - x86: Incorrect handling of IST settings during CPU hotplug

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15594 / XSA-244 version 3 x86: Incorrect handling of IST settings during CPU hotplug UPDATES IN VERSION 3 CVE assigned. ISSUE DESCRIPTION

[Xen-devel] Xen Security Advisory 237 (CVE-2017-15590) - multiple MSI mapping issues on x86

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15590 / XSA-237 version 3 multiple MSI mapping issues on x86 UPDATES IN VERSION 3 CVE assigned. ISSUE DESCRIPTION = M

[Xen-devel] Xen Security Advisory 242 (CVE-2017-15593) - page type reference leak on x86

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15593 / XSA-242 version 3 page type reference leak on x86 UPDATES IN VERSION 3 CVE assigned. ISSUE DESCRIPTION = Th

[Xen-devel] Xen Security Advisory 243 (CVE-2017-15592) - x86: Incorrect handling of self-linear shadow mappings with translated guests

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15592 / XSA-243 version 4 x86: Incorrect handling of self-linear shadow mappings with translated guests UPDATES IN VERSION 4 CVE assigned. ISSUE DESCRI

[Xen-devel] Xen Security Advisory 235 (CVE-2017-15596) - add-to-physmap error paths fail to release lock on ARM

2017-10-18 Thread Xen . org security team
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Xen Security Advisory CVE-2017-15596 / XSA-235 version 2 add-to-physmap error paths fail to release lock on ARM UPDATES IN VERSION 2 CVE assigned. ISSUE DESCRIPTION ==

Re: [Xen-devel] [OSSTEST PATCH] MaxUmask: enforce a maximum umask value

2017-10-18 Thread Roger Pau Monné
On Tue, Oct 17, 2017 at 12:10:38PM +0100, Ian Jackson wrote: > On some operating systems, the default umask is not 002 as it should > be (for the sensible setup with personal groups). > > If a user with an 022 or 077 umask invokes osstest in Executive mode, > they end up creating directories in $c

Re: [Xen-devel] xenconsole: Define and use a macro INVALID_XEN_PFN instead of -1

2017-10-18 Thread Wei Liu
On Wed, Oct 18, 2017 at 04:02:45AM -0600, Jan Beulich wrote: > >>> On 17.10.17 at 18:46, wrote: > > --- a/tools/console/daemon/io.c > > +++ b/tools/console/daemon/io.c > > @@ -658,12 +658,12 @@ static void console_unmap_interface(struct console > > *con) > > { > > if (con->interface == NULL)

Re: [Xen-devel] libxc: Fix the data type of mfn parameter passed to xc_map_foreign_range()

2017-10-18 Thread Wei Liu
I appear to receive this series out of order. This one appears in my inbox later then "xenconsole: Change the type of ring_ref to xen_pfn_t in console_create_ring", which at a glance depends on this one. Please resend this series with proper numbering. On Tue, Oct 17, 2017 at 10:16:32PM +0530, B

[Xen-devel] [PATCH v7 for-next 11/12] vpci: add a priority parameter to the vPCI register initializer

2017-10-18 Thread Roger Pau Monne
This is needed for MSI-X, since MSI-X will need to be initialized before parsing the BARs, so that the header BAR handlers are aware of the MSI-X related holes and make sure they are not mapped in order for the trap handlers to work properly. Signed-off-by: Roger Pau Monné Reviewed-by: Jan Beulic

[Xen-devel] [PATCH v7 for-next 08/12] xen: introduce rangeset_consume_ranges

2017-10-18 Thread Roger Pau Monne
This function allows to iterate over a rangeset while removing the processed regions. This will be used in order to split processing of large memory areas when mapping them into the guest p2m. Signed-off-by: Roger Pau Monné --- Cc: George Dunlap Cc: Ian Jackson Cc: Jan Beulich Cc: Konrad Rzes

[Xen-devel] [PATCH v7 for-next 09/12] vpci/bars: add handlers to map the BARs

2017-10-18 Thread Roger Pau Monne
Introduce a set of handlers that trap accesses to the PCI BARs and the command register, in order to snoop BAR sizing and BAR relocation. The command handler is used to detect changes to bit 2 (response to memory space accesses), and maps/unmaps the BARs of the device into the guest p2m. A rangese

[Xen-devel] [PATCH v7 for-next 00/12] vpci: PCI config space emulation

2017-10-18 Thread Roger Pau Monne
Hello, The following series contain an implementation of handlers for the PCI configuration space inside of Xen. This allows Xen to detect accesses to the PCI configuration space and react accordingly. Why is this needed? IMHO, there are two main points of doing all this emulation inside of Xen,

[Xen-devel] [PATCH v7 for-next 05/12] x86/physdev: enable PHYSDEVOP_pci_mmcfg_reserved for PVH Dom0

2017-10-18 Thread Roger Pau Monne
So that MMCFG regions not present in the MCFG ACPI table can be added at run time by the hardware domain. Signed-off-by: Roger Pau Monné --- Cc: Jan Beulich Cc: Andrew Cooper --- Changes since v6: - Do not return EEXIST if the same exact region is already tracked by Xen. Changes since v5:

[Xen-devel] [PATCH v7 for-next 10/12] vpci/msi: add MSI handlers

2017-10-18 Thread Roger Pau Monne
Add handlers for the MSI control, address, data and mask fields in order to detect accesses to them and setup the interrupts as requested by the guest. Note that the pending register is not trapped, and the guest can freely read/write to it. Signed-off-by: Roger Pau Monné --- Cc: Jan Beulich Cc

[Xen-devel] [PATCH v7 for-next 12/12] vpci/msix: add MSI-X handlers

2017-10-18 Thread Roger Pau Monne
Add handlers for accesses to the MSI-X message control field on the PCI configuration space, and traps for accesses to the memory region that contains the MSI-X table and PBA. This traps detect attempts from the guest to configure MSI-X interrupts and properly sets them up. Note that accesses to t

[Xen-devel] [PATCH v7 for-next 03/12] vpci: introduce basic handlers to trap accesses to the PCI config space

2017-10-18 Thread Roger Pau Monne
This functionality is going to reside in vpci.c (and the corresponding vpci.h header), and should be arch-agnostic. The handlers introduced in this patch setup the basic functionality required in order to trap accesses to the PCI config space, and allow decoding the address and finding the correspo

[Xen-devel] [PATCH v7 for-next 01/12] x86/pio: allow internal PIO handlers to return RETRY

2017-10-18 Thread Roger Pau Monne
Fix handle_pio so internal PIO handlers can return X86EMUL_RETRY and it is properly handled by not advancing the IP. Signed-off-by: Roger Pau Monné --- Cc: Paul Durrant Cc: Jan Beulich Cc: Andrew Cooper --- Note this is not an issue currently because no internal handlers return RETRY. --- xen

[Xen-devel] [PATCH v7 for-next 06/12] pci: split code to size BARs from pci_add_device

2017-10-18 Thread Roger Pau Monne
So that it can be called from outside in order to get the size of regular PCI BARs. This will be required in order to map the BARs from PCI devices into PVH Dom0 p2m. Signed-off-by: Roger Pau Monné --- Cc: Jan Beulich --- Changes since v6: - Remove the vf and addr local variables. - Change the

[Xen-devel] [PATCH v7 for-next 07/12] pci: add support to size ROM BARs to pci_size_mem_bar

2017-10-18 Thread Roger Pau Monne
Signed-off-by: Roger Pau Monné Reviewed-by: Jan Beulich --- Cc: Jan Beulich --- Changes since v6: - Remove the rom local variable. Changes since v5: - Use the flags field. - Introduce a mask local variable. - Simplify return. Changes since v4: - New in this version. --- xen/drivers/passt

[Xen-devel] [PATCH v7 for-next 02/12] pci: introduce a type to store a SBDF

2017-10-18 Thread Roger Pau Monne
That provides direct access to all the members that constitute a SBDF. The only function switched to use it is hvm_pci_decode_addr, because it makes following patches simpler. Suggested-by: Andrew Cooper Signed-off-by: Roger Pau Monné Reviewed-by: Paul Durrant --- Cc: Paul Durrant Cc: Jan Beul

[Xen-devel] [PATCH v7 for-next 04/12] x86/mmcfg: add handlers for the PVH Dom0 MMCFG areas

2017-10-18 Thread Roger Pau Monne
Introduce a set of handlers for the accesses to the MMCFG areas. Those areas are setup based on the contents of the hardware MMCFG tables, and the list of handled MMCFG areas is stored inside of the hvm_domain struct. The read/writes are forwarded to the generic vpci handlers once the address is d

Re: [Xen-devel] [PATCH 2/3] x86/mm: Consolidate all Xen L2 slot writing into init_xen_pae_l2_slots()

2017-10-18 Thread George Dunlap
On 10/12/2017 02:54 PM, Andrew Cooper wrote: > Having all of this logic together makes it easier to follow Xen's virtual > setup across the whole system. > > No functional change. > > Signed-off-by: Andrew Cooper Reviewed-by: George Dunlap > --- > CC: Jan Beulich > CC: Tim Deegan > CC: Geor

Re: [Xen-devel] [PATCH 3/3] x86/mm: Consolidate all Xen L4 slot writing into init_xen_l4_slots()

2017-10-18 Thread George Dunlap
On 10/12/2017 02:54 PM, Andrew Cooper wrote: > There are currently three functions which write L4 pagetables for Xen, but > they all behave subtly differently. sh_install_xen_entries_in_l4() in > particular is catering for two different usecases, which makes the safety of > the linear mappings har

Re: [Xen-devel] [PATCH v2 for-4.10] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread Wei Liu
On Wed, Oct 18, 2017 at 11:51:59AM +0100, George Dunlap wrote: > Allowing pagetables to point to other pagetables of the same level > (often called 'linear pagetables') has been included in Xen since its > inception; but recently it has been the source of a number of subtle > reference-counting bug

Re: [Xen-devel] [PATCH v2 2/2] x86/boot: rename send_chr to print_err

2017-10-18 Thread Daniel Kiper
On Tue, Oct 17, 2017 at 04:41:38PM -0500, Doug Goldstein wrote: > From: David Esler > > The send_chr function sends an entire C-string and not one character and > doesn't necessarily just send it over the serial UART anymore so rename > it to print_err so that its closer in name to what it does. >

[Xen-devel] [xen-4.8-testing test] 114661: regressions - FAIL

2017-10-18 Thread osstest service owner
flight 114661 xen-4.8-testing real [real] http://logs.test-lab.xenproject.org/osstest/logs/114661/ Regressions :-( Tests which did not succeed and are blocking, including tests which could not be run: test-xtf-amd64-amd64-4 48 xtf/test-hvm64-lbr-tsx-vmentry fail REGR. vs. 114538 test-amd64-i386

Re: [Xen-devel] [PATCH v2 1/2] x86/boot: fix early error display

2017-10-18 Thread Daniel Kiper
On Tue, Oct 17, 2017 at 04:41:37PM -0500, Doug Goldstein wrote: > From: David Esler > > In 9180f5365524 a change was made to the send_chr function to take in > C-strings and print out a character at a time until a NULL was > encountered. However there is no code to increment the current character

[Xen-devel] [PATCH v2 for-4.10] x86/mm: Make PV linear pagetables optional

2017-10-18 Thread George Dunlap
Allowing pagetables to point to other pagetables of the same level (often called 'linear pagetables') has been included in Xen since its inception; but recently it has been the source of a number of subtle reference-counting bugs. It is not used by Linux or MiniOS; but it used used by NetBSD and N

[Xen-devel] [xen-unstable-coverity test] 114680: all pass - PUSHED

2017-10-18 Thread osstest service owner
flight 114680 xen-unstable-coverity real [real] http://logs.test-lab.xenproject.org/osstest/logs/114680/ Perfect :-) All tests in this flight passed as required version targeted for testing: xen c4efa25058d3f45bf725d6ebe6429db9adf94b62 baseline version: xen 46aa

Re: [Xen-devel] [PATCH 27/27 v12] arm/xen: vpl011: Correct the logic for asserting/de-asserting SBSA UART TX interrupt

2017-10-18 Thread Bhupinder Thakur
On 18 October 2017 at 15:56, Andre Przywara wrote: > Hi, > > On 13/10/17 11:40, Bhupinder Thakur wrote: >> This patch fixes the issue observed when pl011 patches were tested on >> the junos hardware by Andre/Julien. It was observed that when large >> output is generated such as on running 'find /'

Re: [Xen-devel] [PATCH for-4.10] string: fix memmove when size is 0

2017-10-18 Thread Roger Pau Monné
On Tue, Oct 17, 2017 at 07:00:25AM -0600, Jan Beulich wrote: > >>> On 17.10.17 at 14:52, wrote: > > On Tue, Oct 17, 2017 at 01:41:35PM +0100, Andrew Cooper wrote: > >> There are many passed values which could trigger this warning. Does > >> > >> diff --git a/xen/arch/x86/string.c b/xen/arch/x86/

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