.snip..
> [0.00] Booting Linux on physical CPU 0x0
>
> [0.00] Linux version 4.13.0-linaro-hikey960+ (mc@xenpro3) (gcc
> version 7.1.1 20170510 (Linaro GCC 7.1-2017.05)) #1 SMP PREEMPT Wed Sep 13
> 10:16:12 EDT 2017
What branch is this? And what git repo ?
_
On Thu, Nov 09, 2017 at 11:13:44AM +, Roger Pau Monne wrote:
> So that other implementations of the sysctl can be added.
>
> Signed-off-by: Roger Pau Monné
> ---
> Cc: Andrew Cooper
> Cc: George Dunlap
> Cc: Ian Jackson
> Cc: Jan Beulich
> Cc: Konrad Rz
gt; Cc: Andrew Cooper
> Cc: George Dunlap
> Cc: Ian Jackson
> Cc: Jan Beulich
> Cc: Konrad Rzeszutek Wilk
> Cc: Stefano Stabellini
> Cc: Tim Deegan
> Cc: Wei Liu
> ---
> Changes since v1:
> - Use a choice in kconfig to select code coverage technology.
> - C
ap
> Cc: Ian Jackson
> Cc: Jan Beulich
> Cc: Konrad Rzeszutek Wilk
Reviewed-by: Konrad Rzeszutek Wilk
> Cc: Stefano Stabellini
> Cc: Tim Deegan
> Cc: Wei Liu
> ---
> Changes since v1:
> - Use private coverage.h header.
> - Sort alphabetically the obj-y
ap
> Cc: Jan Beulich
> Cc: Konrad Rzeszutek Wilk
Reviewed-by: Konrad Rzeszutek Wilk
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On Thu, Nov 09, 2017 at 11:13:42AM +, Roger Pau Monne wrote:
> Preparatory change before adding llvm profiling support.
> No functional change.
>
> Signed-off-by: Roger Pau Monné
> ---
> Cc: Andrew Cooper
> Cc: George Dunlap
> Cc: Ian Jackson
> Cc: Jan Beulich
On Tue, Jul 18, 2017 at 02:38:14PM +0100, Wei Liu wrote:
> On Fri, Jul 07, 2017 at 10:00:01AM -0400, Konrad Rzeszutek Wilk wrote:
> > >
> > > 1. PV PCI passthrough is done via pciback, which means the physical
> > >device is assigned to the driver do
he range [0, 0x7fff]. This request is
> > > only applicable if "request-abs-pointer" is also set. Frontends
> > > should set this value before setting Connected.
> > >
> > > Signed-off-by: Owen Smith
> >
> > Reviewed-by: Stefano Stabellini
On Wed, Jul 19, 2017 at 03:51:48PM +0800, Junxiao Bi wrote:
> Hi Konrad,
>
> On 07/19/2017 03:37 PM, Roger Pau Monné wrote:
> > On Wed, Jul 19, 2017 at 09:19:49AM +0800, Junxiao Bi wrote:
> >> Hi Roger,
> >>
> >> On 06/23/2017 08:57 PM, Roger Pau Monné wrote:
> >>> On Thu, Jun 22, 2017 at 09:36:52
2:35:56PM +0100, Wei Liu wrote:
> > > > > The code says it defaults to false.
> > > > >
> > > > > Signed-off-by: Wei Liu
> > > > > ---
> > > > > Cc: Andrew Cooper
> > > > > Cc: George Dunlap
> > > &g
On Fri, Jul 21, 2017 at 05:51:02PM +0100, Wei Liu wrote:
> On Fri, Jul 21, 2017 at 12:44:18PM -0400, Konrad Rzeszutek Wilk wrote:
> > On Thu, Jul 20, 2017 at 01:57:17PM +0100, Wei Liu wrote:
> > > On Thu, Jul 20, 2017 at 12:49:37PM +0100, Andrew Cooper wrote:
> > > &
On Mon, Jul 24, 2017 at 11:34:26AM +0100, Julien Grall wrote:
> Hi,
>
> On 12/07/17 07:07, Jan Beulich wrote:
> > > > > Konrad Rzeszutek Wilk 07/11/17 10:34 PM >>>
> > > On Tue, Jul 11, 2017 at 02:06:09PM -0600, Jan Beulich wrote:
> > &
Hi Jens,
Please git pull in your branch "for-linus" the following
branch which is based on 765e40b675a9566459ddcb8358ad16f3b8344bbe
"blk-mq: map queues to all present CPUs":
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
stable/for-jens-4.13
It has two bug-fixes for the xen-blkfr
ubaa64.efi \
--format=arm64-efi \
--prefix="/boot/grub" \
$GRUB_MODULES
And grub.config:
search.fs_label rootfs root
set prefix=($root)/boot/grub
configfile $prefix/grub.cfg
Signed-off-by: Konrad Rzeszutek Wilk
---
docs/misc/arm/early-printk.txt
though, seeing as this was an Oracle
> feature originally (even though we were given permission to rip it out).
Acked-by: Konrad Rzeszutek Wilk
for all this code.
RIP PV superpage.
>
> ~Andrew
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From: Konrad Rzeszutek Wilk
If the .bug.frames.X or .livepatch.funcs sizes are different
than what the hypervisor expects - we fail the payload. To help
in diagnosing this include the expected and the payload
sizes.
Also make it more natural by having "Multiples" in the warning.
Sig
: Before=822563, After=822563, chg +0.00%
Signed-off-by: Konrad Rzeszutek Wilk
---
v2: First version
---
xen/include/asm-arm/alternative.h | 4
xen/include/asm-x86/alternative.h | 2 ++
2 files changed, 6 insertions(+)
diff --git a/xen/include/asm-arm/alternative.h
b/xen/include/asm-arm/alte
LEASE-4.9.0 they would crash thanks to alignment
errors).
Thanks.
Konrad Rzeszutek Wilk (4):
livepatch: Tighten alignment checks.
livepatch: Include sizes when an mismatch occurs
xen/livepatch/ARM32: Don't load and crash on livepatches loaded with
wrong alignment.
alter
From: Ross Lagerwall
See docs/features/livepatch.pandoc for the details.
Signed-off-by: Ross Lagerwall
Signed-off-by: Konrad Rzeszutek Wilk
--
v2:
- Moved it into a feature document.
- Clarified a few bits and pieces based on feedback.
v3:
- default X86
---
docs/features/livepatch.pandoc
From: Konrad Rzeszutek Wilk
The ELF specification mentions nothing about the sh_size being
modulo the sh_addralign. Only that sh_addr MUST be aligned on
sh_addralign if sh_addralign is not zero or one.
We on loading did not take this in-to account so this patch adds
a check on the ELF file as
xes the .livepatch.depends alignment)
Signed-off-by: Konrad Rzeszutek Wilk
---
v1: Initial patch
v2: Redo the commit to include the commits which fix the alignment issues.
Also mention the need in the docs
---
docs/misc/livepatch.markdown | 6 +-
xen/arch/arm/arm32/livepatch.c | 15 +
On Wed, Jul 26, 2017 at 05:59:15PM +0100, Julien Grall wrote:
> Hi Konrad,
>
> On 26/07/17 17:54, Konrad Rzeszutek Wilk wrote:
> > Introduce an earlyprintk configuration of Hikey 960 boards.
..snip..
>
> Would it be possible to update the wiki page on the hikey [1] with
On Mon, Jul 31, 2017 at 07:55:34AM -0600, Jan Beulich wrote:
> >>> Konrad Rzeszutek Wilk 07/26/17 9:50 PM >>>
> >--- a/docs/misc/livepatch.markdown
> >+++ b/docs/misc/livepatch.markdown
> >@@ -279,6 +279,10 @@ It may also have some architecture-specific se
On Thu, Jul 27, 2017 at 10:52:40AM +0100, Julien Grall wrote:
> Hi Konrad,
>
> On 27/07/17 02:18, Konrad Rzeszutek Wilk wrote:
> > On Wed, Jul 26, 2017 at 05:59:15PM +0100, Julien Grall wrote:
> > > Hi Konrad,
> > >
> > > On 26/07/17 17:54, Konrad
On Wed, Jul 05, 2017 at 02:22:00PM +0100, Joao Martins wrote:
> On 07/05/2017 12:16 PM, Andrew Cooper wrote:
> > On 05/07/17 10:46, Joao Martins wrote:
> >> Hey Andrew,
> >>
> >> On 07/04/2017 03:55 PM, Andrew Cooper wrote:
> >>> Presented herewith is the a plan for the final part of CPUID work, wh
On Thu, Aug 03, 2017 at 06:21:30PM +0100, George Dunlap wrote:
> On 08/03/2017 06:20 PM, George Dunlap wrote:
> > On 07/03/2017 03:53 PM, Ross Lagerwall wrote:
> >> On 06/30/2017 02:42 PM, George Dunlap wrote:
> >>> On 06/28/2017 05:18 PM, Ross Lagerwall wrote:
> On 06/27/2017 10:17 AM, George
On Thu, Aug 10, 2017 at 11:09:20AM +, Zhang, Xiong Y wrote:
> On my SKL/KBL machine, upstream 4.12 kernel dom0 couldn't boot up using
> xen.efi which is xen 4.9
>
>
> (1) Upstream 4.11 kernel doesn't have such issue.
>
> (2) Upstream 4.12 kernel on my native uefi machine could boot
On Mon, Jun 19, 2017 at 03:27:01PM +0100, Ian Jackson wrote:
> Konrad Rzeszutek Wilk writes ("Re: blkback shutdown problem ? (Re: [linux-4.9
> test] 110513: regressions - FAIL)"):
> > On Mon, Jun 19, 2017 at 12:27:33PM +0100, Roger Pau Monné wrote:
> > > This has al
ean); and dist,
> src-tarball-*, etc. (which are converted to install by an earlier
> Makefile).
>
> Reported-by: Andrew Cooper
> Signed-off-by: Ian Jackson
Acked-by: Konrad Rzeszutek Wilk
> ---
> xen/test/Makefile | 7 ++-
> 1 file changed, 6 insertions(+), 1
tch.c to handle typesafe MFN.
>
> Signed-off-by: Julien Grall
> Reviewed-by: Stefano Stabellini
Acked-by: Konrad Rzeszutek Wilk
> ---
>
> Cc: Ross Lagerwall
> Cc: Konrad Rzeszutek Wilk
>
> Changes in v2:
> - Add Stefano's reviewed-by
>
> elf->nsym check as
> >> way to make sure we won't dereference the dest (b/c the symbol
> >> may be outside the bounds).
> > But symndx isn't being used here.
>
> Indeed. r->r_offset (and therefore dest) has no direct bearin
ly there
> aren't that many use cases for it.
OK. In that case:
Acked-by: Konrad Rzeszutek Wilk
Andrew,
Do you think it would be possible to generate an test-case for this
in arch/test/livepatch?
>
> Jan
>
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ean); and dist,
> src-tarball-*, etc. (which are converted to install by an earlier
> Makefile).
>
> Reported-by: Andrew Cooper
> Signed-off-by: Ian Jackson
And
Tested-by: Konrad Rzeszutek Wilk
> ---
> xen/test/Makefile | 7 ++-
> 1 file changed, 6 insertions(+), 1
27;static'
on functions and data variables is the right one.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/common/livepatch.c | 21 ++---
xen/include/xen/livepatch.h | 3 ++-
xen/include/xen/livepatch_elf.h | 7 +++
3 files changed, 23 insertions(+), 8 delet
..
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/test/livepatch/Makefile| 10 ++-
xen/test/livepatch/xen_local_symbols.c | 52 ++
2 files changed, 61 insertions(+), 1 deletion(-)
create mode 100644 xen/test/livepatch/xen_local_symbols.c
diff --git
testing. The test is to verify that the local symbols
of payloads are ignored during loading.
See Xen's patch "livepatch: Add local and global symbol resolution."
Signed-off-by: Konrad Rzeszutek Wilk
---
ts-livepatch-run | 26 --
1 file changed, 24 i
deletions(-)
Konrad Rzeszutek Wilk (2):
livepatch: Add local and global symbol resolution.
livepatch: Add xen_local_symbols test-case
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Hey Jens,
Please git pull the following branch:
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
stable/for-jens-4.12
which has security and memory leak fixes in xen block driver.
Thank you.
Jan Beulich (1):
xen-blkback: don't leak stack data via response ring
Juergen Gross
On Tue, Jun 20, 2017 at 01:15:18AM -0600, Jan Beulich wrote:
> >>> On 20.06.17 at 01:05, wrote:
> > On 19/06/2017 19:30, Konrad Rzeszutek Wilk wrote:
> >> On Wed, Jun 14, 2017 at 12:49:21PM -0600, Jan Beulich wrote:
> >>>>>> Andrew Cooper 06/14/1
On Tue, Jun 20, 2017 at 01:56:28AM -0600, Jan Beulich wrote:
> >>> On 20.06.17 at 09:39, wrote:
> > On 20/06/2017 08:36, Jan Beulich wrote:
> > On 19.06.17 at 20:18, wrote:
> >>> On Wed, Jun 14, 2017 at 07:28:39PM +0100, Andrew Cooper wrote:
> Having said that, there is no sanity check t
On Tue, Jun 20, 2017 at 07:11:01AM -0600, Jens Axboe wrote:
> On 06/20/2017 06:13 AM, Konrad Rzeszutek Wilk wrote:
> > Hey Jens,
> >
> > Please git pull the following branch:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git
> >
On Tue, Jun 20, 2017 at 01:51:41AM -0600, Jan Beulich wrote:
> >>> On 20.06.17 at 04:47, wrote:
> > This way we can load livepatches with symbol names that
> > are the same as long as they are local ('static').
> >
> > The use case here is to replace an existing livepatch
> > with a newer one - a
On Sun, Jun 11, 2017 at 08:16:04PM -0700, Bruno Alvisio wrote:
> Hello,
>
> I think it would be beneficial to add local disk migration feature for
> ‘blkback' backend since it is one of the mostly used backends. I would like
> to start a discussion about the design of the machinery needed to achie
elocation
> with -EOPNOTSUPP.
>
> Additionally, perform a safety check on elf->sym[symndx].sym before
> derefencing it, to avoid tripping over a NULL pointer when calculating val.
>
> Signed-off-by: Andrew Cooper
Reviewed-by: Konrad Rzeszutek Wilk
Tested-by: Konrad Rzeszutek
r
> ---
> CC: Konrad Rzeszutek Wilk
> CC: Ross Lagerwall
> CC: Jan Beulich
> CC: Stefano Stabellini
> CC: Julien Grall
>
> The purpose of this patch is simply to make the following patch easier to
> review.
Jan Acked it and Reviewed-by: Konrad Rzeszutek Wilk
and
Tes
On Thu, Jun 22, 2017 at 03:57:52PM +0200, Olaf Hering wrote:
> It seems that live migration of HVM domUs with more than 32 vcpus causes
> a hang of the domU on the remote side. Both ping and 'xl console' show no
> reaction.
> This happens also with kernel-4.12. Is this a known bug?
Ankur had some
On Wed, Jun 21, 2017 at 09:26:15PM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Jun 21, 2017 at 07:13:36PM +0100, Andrew Cooper wrote:
> > A symndx of STN_UNDEF is special, and means a symbol value of 0. While
> > legitimate in the ELF standard, its existance in a livepatch
On Thu, Jun 22, 2017 at 09:31:50AM -0600, Jan Beulich wrote:
> >>> On 22.06.17 at 16:21, wrote:
> > On Thu, Jun 22, 2017 at 03:26:04AM -0600, Jan Beulich wrote:
> > On 21.06.17 at 12:47, wrote:
> >>> The problem is a VF of RC integrated PF (e.g. PF's BDF is 00:02.0),
> >>> we would wrongly us
On Thu, Jun 22, 2017 at 11:27:50AM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Jun 21, 2017 at 09:26:15PM -0400, Konrad Rzeszutek Wilk wrote:
> > On Wed, Jun 21, 2017 at 07:13:36PM +0100, Andrew Cooper wrote:
> > > A symndx of STN_UNDEF is special, and means a symbol
On Thu, Jun 22, 2017 at 12:10:46PM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, Jun 22, 2017 at 11:27:50AM -0400, Konrad Rzeszutek Wilk wrote:
> > On Wed, Jun 21, 2017 at 09:26:15PM -0400, Konrad Rzeszutek Wilk wrote:
> > > On Wed, Jun 21, 2017 at 07:13:36PM +0100, Andrew Coope
On Thu, Jun 22, 2017 at 12:33:57PM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, Jun 22, 2017 at 12:10:46PM -0400, Konrad Rzeszutek Wilk wrote:
> > On Thu, Jun 22, 2017 at 11:27:50AM -0400, Konrad Rzeszutek Wilk wrote:
> > > On Wed, Jun 21, 2017 at 09:26:15PM -0400, Konrad Rz
On Thu, Jun 22, 2017 at 07:31:53PM +0200, Dario Faggioli wrote:
> Hey,
>
> Am I the only one for which Travis seems to be unhappy of this:
Nope. I saw it too ,but then figured there was some patch from Olaf for this?.
>
> I/home/travis/build/fdario/xen/tools/misc/../../tools/include
> xen
On Wed, Jun 21, 2017 at 01:40:45PM +0100, Andrew Cooper wrote:
> No functional change, but the result is more informative both in the code and
> error messages if the assertions do get hit.
>
> Signed-off-by: Andrew Cooper
> ---
> CC: Jan Beulich
> CC: Konrad Rzeszutek Wi
; ---
> CC: Konrad Rzeszutek Wilk
Reviewed-by: Konrad Rzeszutek Wilk
Tested-by: Konrad Rzeszutek Wilk
[x86 and ARM32]
> CC: Ross Lagerwall
>
> * new in v3
> ---
> xen/common/livepatch.c | 4 ++--
> xen/common/livepatch_elf.c | 4 ++--
> 2 files changed, 4 insertion
elocation
> with -EOPNOTSUPP.
>
> Additionally, fix an off-by-one error while range checking symndx, and perform
> a safety check on elf->sym[symndx].sym before derefencing it, to avoid
> tripping over a NULL pointer when calculating val.
>
> Signed-off-by: Andrew Cooper
On Fri, Jun 23, 2017 at 03:31:16AM -0400, Bruno Alvisio wrote:
> This patch is the first attempt on adding live migration of instances with
> local
> storage to Xen. This patch just handles very restricted case of fully
> virtualized HVMs. The code uses the "drive-mirror" capability provided by
>
On Fri, Jun 23, 2017 at 02:45:22PM +0100, Andrew Cooper wrote:
> On 23/06/17 14:43, Julien Grall wrote:
> > Hi,
> >
> > On 23/06/17 14:33, Andrew Cooper wrote:
> >> On 23/06/17 14:32, Julien Grall wrote:
> >>> Hi Andrew,
> >>>
> >>> I am a bit confused, the title says "PATCH for-4.9 v3 3/3". I have
On Fri, Jun 23, 2017 at 03:36:51PM +0100, Julien Grall wrote:
>
>
> On 23/06/17 15:35, Konrad Rzeszutek Wilk wrote:
> > On Fri, Jun 23, 2017 at 02:45:22PM +0100, Andrew Cooper wrote:
> > > On 23/06/17 14:43, Julien Grall wrote:
> > > > Hi,
> > > >
On Sat, Jun 24, 2017 at 06:28:16PM +0100, Julien Grall wrote:
> Hi Konrad,
>
> On 06/23/2017 03:46 PM, Konrad Rzeszutek Wilk wrote:
> > On Fri, Jun 23, 2017 at 03:36:51PM +0100, Julien Grall wrote:
> > >
> > >
> > > On 23/06/17 15:35, Konrad Rzeszutek W
On June 26, 2017 5:48:17 AM EDT, Razvan Cojocaru
wrote:
>Pending livepatch code wants to check if the vm_event wait queues
>are active, and this is made harder by the fact that they were
Hmm, it wants to? Is there an missing patch that hasn't been posted for this?
If you mean to post this _bef
On June 26, 2017 7:59:02 AM EDT, Andrew Cooper
wrote:
>c/s 2b8eb37 switched int i to being unsigned, but the undo logic on
>failure
>relied in i being signed. As i being unsigned in still preforable,
>adjust the
>undo logic to work with an unsigned i.
>
>Coverity-ID: 1413017
>Signed-off-by: Andr
On Mon, Jun 26, 2017 at 07:29:22PM +0100, Julien Grall wrote:
> Hi,
>
> On 06/26/2017 04:36 PM, Ross Lagerwall wrote:
> > Xen Live Patching has been available as tech preview feature since Xen
> > 4.7 and has now had a couple of releases to stabilize. Xen Live patching
> > has been used by multipl
ewed-by: Konrad Rzeszutek Wilk
> ---
> CC: Konrad Rzeszutek Wilk
> ---
> xen/common/tmem.c | 39 ---
> xen/common/tmem_control.c | 16
> xen/common/tmem_xen.c | 12 ++--
> xen/include/xen/tmem_xen.h | 24
On Mon, Jun 26, 2017 at 06:39:30PM +0200, Vitaly Kuznetsov wrote:
> CONFIG_BOOTPARAM_HOTPLUG_CPU0 allows to offline CPU0 but Xen HVM guests
> BUG() in xen_teardown_timer(). Remove the BUG_ON(), this is probably a
> leftover from ancient times when CPU0 hotplug was impossible, it works
> just fine f
. snip..
> > Now all of the customers that have applied those patches are vulnerable.
> >
> > Do you:
> >
> > 1. Tell the reporter to post it publicly to xen-devel immediately, since
> > livepatch tools are not security supported -- thus "zero-day"-ing all
> > your customers (as well as anyone el
On Wed, Jun 28, 2017 at 05:13:44PM +0100, Ross Lagerwall wrote:
> See docs/features/livepatch.pandoc for the details.
>
> Signed-off-by: Ross Lagerwall
Reviewed-by: Konrad Rzeszutek Wilk
Thank you for the writeup!
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On Fri, Jun 30, 2017 at 03:21:31PM +0800, Dongli Zhang wrote:
> As both xen-netfront and xen-blkfront support multi-queue, they would
> consume a lot of grant table references when there are many paravirtual
> devices and vcpus assigned to guest. Guest domU might panic or hang due to
> grant alloca
> > > --- a/xen/include/public/domctl.h
> > > +++ b/xen/include/public/domctl.h
> > > @@ -1222,6 +1222,9 @@ struct xen_domctl {
> > > #define XEN_DOMCTL_gdbsx_pausevcpu 1001
> > > #define XEN_DOMCTL_gdbsx_unpausevcpu 1002
> > > #define XEN_DOMCTL_gdbsx_domstatus
On Thu, Jul 06, 2017 at 11:59:01AM -0700, Adam Williamson wrote:
> Hi, folks! A while ago, Xen virtualization functionality was added to
> the criteria and the validation test case set, on the understanding
> that Oracle would provide testing for it (and help fix bugs as they
> arose).
>
> For the
Posting from gmail, so hopefully it doesn't send it as HTML..
On Thu, Jul 6, 2017 at 3:45 PM, Adam Williamson
wrote:
> On Thu, 2017-07-06 at 15:13 -0400, Konrad Rzeszutek Wilk wrote:
>> On Thu, Jul 06, 2017 at 11:59:01AM -0700, Adam Williamson wrote:
>> > Hi,
On Fri, Jul 07, 2017 at 11:56:43AM +0100, Wei Liu wrote:
> On Wed, Jul 05, 2017 at 02:52:41PM -0500, Venu Busireddy wrote:
> > > [...]
> > > > diff --git a/tools/xl/xl_vmcontrol.c b/tools/xl/xl_vmcontrol.c
> > > > index 89c2b25..10a48a9 100644
> > > > --- a/tools/xl/xl_vmcontrol.c
> > > > +++ b/too
On Tue, Mar 28, 2017 at 05:30:24PM +0200, Juergen Gross wrote:
> On 28/03/17 16:27, Boris Ostrovsky wrote:
> > On 03/28/2017 04:08 AM, Jan Beulich wrote:
> > On 28.03.17 at 03:57, wrote:
> >>> I think there is indeed a disconnect between target memory (provided by
> >>> the toolstack) and cur
GM map to see the NUMA nodes locality.
Attaching them here..
>
> Jan
>
>
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>From a5e039801c989df29b704a4a5256715321906535 Mon Sep 17 00:00:00 2001
From: Konrad Rzeszutek Wilk
Date:
On Mon, Jul 10, 2017 at 03:35:33PM +0200, Olaf Hering wrote:
> On Mon, Jul 10, Konrad Rzeszutek Wilk wrote:
>
> > Soo I wrote some code for exactly this for Xen 4.4.4 , along with
> > creation of a PGM map to see the NUMA nodes locality.
>
> Are you planning to prepare
| 7 ++
xen/include/xen/elfstructs.h | 2 ++
xen/include/xen/livepatch.h| 1 +
7 files changed, 88 insertions(+), 7 deletions(-)
Konrad Rzeszutek Wilk (3):
xen/livepatch: Tighten alignment checks.
livepatch: Include sizes when an mismatch occurs
xen/livepatch/ARM32
If the .bug.frames.X or .livepatch.funcs sizes are different
than what the hypervisor expects - we fail the payload. To help
in diagnosing this include the expected and the payload
sizes.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/common/livepatch.c | 9 +
1 file changed, 5 insertions
parsed, and
then when we copy the payload contents in memory - and check the
aligmnent needs there.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/common/livepatch.c | 9 +
xen/common/livepatch_elf.c | 7 +++
xen/include/xen/elfstructs.h | 2 ++
3 files changed, 18 insertions
properly!
Furthermore we also observe that the alignment is not correct
for other sections (when cross compiling) as such we add the check
in various other places which allows us to get.
livepatch: xen_bye_world: .livepatch.depends alignment is wrong!
instead of a crash.
Signed-off-by: Konrad
ongestion control patches.
>
> Cc: Konrad Rzeszutek Wilk
> Cc: "Roger Pau Monné"
> Cc: Boris Ostrovsky
> Cc: Juergen Gross
> Cc: xen-de...@lists.xenproject.org
> Signed-off-by: Ming Lei
> ---
> drivers/block/xen-blkfront.c | 22 --
>
On Tue, Jul 11, 2017 at 02:06:09PM -0600, Jan Beulich wrote:
> >>> Konrad Rzeszutek Wilk 07/11/17 6:53 PM >>>
> >This issue was observed on ARM32 with a cross compiler for the
> >livepatches. Mainly the livepatches .data section size was not
> >aligned
On Wed, Jul 12, 2017 at 10:04:39AM +0800, Haozhong Zhang wrote:
> Though XEN_MC_inject_v2 allows injecting MC# to specified CPUs, the
> current xc_mca_op() does not use this feature and not provide an
> interface to callers. This commit add a new xc_mca_op_inject_v2() that
> receives a cpumap provi
On Wed, Jul 12, 2017 at 10:04:40AM +0800, Haozhong Zhang wrote:
> If option '-l' or '--lmce' is specified and the host supports LMCE,
> xen-mceinj will inject LMCE to CPU specified by '-c' (or CPU0 if '-c'
> is not present).
>
> Signed-off-by: Haozhong Zhang
> Acked-by: Wei Liu
> ---
> Cc: Ian J
On Thu, Jul 06, 2017 at 02:55:27PM -0400, Jason Dickens wrote:
> Thanks for the response Bill. If I should recognize your name, I'm sorry,
> I'm bad with names, but I have been doing a lot of work with Wind River
> recently (and in the past) so its possible I should.
>
> Actually, I should have me
Hey,
I've only been able to reproduce this on ARM64 (trying right now ARM32
as well), and not on x86.
If I compile Xen without CONFIG_SCRUB_DEBUG it works great. But if
enable it and try to load a livepatch it blows up in page_alloc.c:738
This is with origin/staging (d0291f3391)
The test-case (
Jan Beulich wrote:
> >> >> >>> Konrad Rzeszutek Wilk 07/31/17 6:04 PM >>>
> >> >> >On Mon, Jul 31, 2017 at 07:55:34AM -0600, Jan Beulich wrote:
> >> >> >> >>> Konrad Rzeszutek Wilk 07/26/17 9:50 PM >>>
>
27;static'
on functions and data variables is the right one.
Signed-off-by: Konrad Rzeszutek Wilk
---
v1: New version
v2: No changes
---
xen/common/livepatch.c | 21 ++---
xen/include/xen/livepatch.h | 3 ++-
xen/include/xen/livepatch_elf.h | 7 +++
3 fil
00 .. causing a double fault.
Using the arch_livepatch_lookup_mfn solves the problem and
the applying/reverting works on all platforms properly.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/common/livepatch.c | 14 --
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git
onrad Rzeszutek Wilk
---
xen/arch/arm/livepatch.c| 7 ---
xen/arch/x86/livepatch.c| 10 ++
xen/arch/x86/x86_64/mm.c| 33 -
xen/include/asm-x86/mm.h| 1 +
xen/include/xen/livepatch.h | 3 +++
5 files changed, 42 insertions(+), 12 dele
Instead of being writable (.data). This mimics the behavior of what
livepatch-build-tools do.
Other approaches such as 'struct const livepatch_funcs' still result
in the WA section attributes.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/test/livepatch/Makefile | 4
1 file
0036 OBJECT GLOBAL HIDDEN 3 note_depends
21: 36 OBJECT GLOBAL HIDDEN 6 note_depends
See patch titled: "livepatch/arm/x86: Strip note_depends symbol from
test-cases."
which fixes this.
Signed-off-by: Konrad Rzeszutek Wilk
---
v2: First version
-
/0 grow/shrink: 0/0 up/down: 0/0 (0)
function old new delta
Total: Before=822563, After=822563, chg +0.00%
Also since the macros have the alignment coded in them there is no need
to do that for the xen.lds.S anymore.
Signed-off-by: Konrad Rzeszutek Wilk
---
v2: -
0x102
[] check_for_livepatch_work+0x1f3/0x390
[] domain.c#continue_idle_domain+0x1b/0x22
But are definitly the case on x86 - so we expand the scope
of the spin_debug_disable.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/common/livepatch.c | 30 --
1 file changed, 16 insertions(+), 14 dele
tingly the arch_livepatch_revert looks almost the same
on x86 and ARM. See 'livepatch/x86/arm[32,64]: Unify arch_livepatch_revert'
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/arch/arm/livepatch.c| 64
xen/arch/x86/livepatch.c| 32
local and global symbol resolution."
but that patch is stuck in limbo).
Signed-off-by: Konrad Rzeszutek Wilk
---
v3: First version
---
xen/test/livepatch/Makefile | 4
1 file changed, 4 insertions(+)
diff --git a/xen/test/livepatch/Makefile b/xen/test/livepatch/Makefile
index 89ad89dfd
+
xen/test/livepatch/xen_local_symbols.c | 53
xen/test/livepatch/xen_nop.c | 1 +
xen/test/livepatch/xen_replace_world.c | 1 +
25 files changed, 521 insertions(+), 173 deletions(-)
Konrad Rzeszutek Wilk (16):
livepatch: Expand check for safe_for_reapply if livepatch has
The arch_livepatch_revert is very similar between the platforms.
Lets unify it as much as possible.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/arch/arm/livepatch.c| 10 +-
xen/arch/x86/livepatch.c| 10 ++
xen/common/livepatch.c | 14 +-
xen/include/xen
ail if the size of the .ex_table
was being zero - but that is OK.
Signed-off-by: Konrad Rzeszutek Wilk
---
v1: Initial version
v2: - Changed to 'Multiple' per Jan's recommendation.
- Folded the checks in 'check_size' function and removed all the other
part
An alternative is to add the 'W' flag during loading of the
.livepatch_funcs which would result the section being in writeable
region from the gecko.
Note that this vmap solution could be extended to x86 as well.
Signed-off-by: Konrad Rzeszutek Wilk
---
xen/arch/arm/arm32/livepatch.c
by: Konrad Rzeszutek Wilk
---
v3: New patch
---
xen/common/livepatch.c | 9 ++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/xen/common/livepatch.c b/xen/common/livepatch.c
index 66d532db14..a1f54c42d3 100644
--- a/xen/common/livepatch.c
+++ b/xen/common/livepatch.c
@@ -417
for all as we only
implement a small subset of them - as such we only check for
data types that are implemented - and if the type is anything else
and not aligned to 32-bit, then we error out.
Signed-off-by: Konrad Rzeszutek Wilk
---
v1: Initial patch
v2: Redo the commit to include the commits whic
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