Re: [Xen-devel] [PATCH] xen-blkfront: switch from llist to list

2013-02-25 Thread konrad wilk
On 2/25/2013 12:00 PM, Roger Pau Monné wrote: On 25/02/13 17:49, Konrad Rzeszutek Wilk wrote: On Fri, Feb 15, 2013 at 08:12:52PM +0100, Roger Pau Monné wrote: On 15/02/13 19:56, Konrad Rzeszutek Wilk wrote: Should be backported to 3.8 stable. Lets do one thing at a time. The patch I have in

Re: [PATCH] xen/p2m: Don't call get_balloon_scratch_page() twice, keep interrupts disabled for multicalls

2013-09-06 Thread konrad wilk
On 9/6/2013 11:09 AM, Stefano Stabellini wrote: On Fri, 6 Sep 2013, Boris Ostrovsky wrote: m2p_remove_override() calls get_balloon_scratch_page() in MULTI_update_va_mapping() even though it already has pointer to this page from the earlier call (in scratch_page). This second call doesn't have a

Re: [Xen-devel] [PATCH] xen/pci: Deal with toolstack missing an 'XenbusStateClosing'.

2013-06-11 Thread konrad wilk
On 6/11/2013 5:00 AM, George Dunlap wrote: On 06/11/2013 08:29 AM, Jan Beulich wrote: On 10.06.13 at 23:06, Konrad Rzeszutek Wilk wrote: There are two tool-stack that can instruct the Xen PCI frontend and backend to change states: 'xm' (Python code with a daemon), and 'xl' (C library - does n

Re: [PATCH] xen/blkback: Check for insane amounts of request on the ring.

2013-06-11 Thread konrad wilk
On 6/11/2013 3:42 AM, Jan Beulich wrote: On 10.06.13 at 18:43, Konrad Rzeszutek Wilk wrote: On Mon, Jun 10, 2013 at 04:52:35PM +0100, Jan Beulich wrote: On 07.06.13 at 22:11, Konrad Rzeszutek Wilk wrote: On Tue, Jun 04, 2013 at 03:57:06PM -0400, Konrad Rzeszutek Wilk wrote: + /* N.B.

Re: [PATCH] xen/pci: Deal with toolstack missing an 'XenbusStateClosing'.

2013-06-11 Thread konrad wilk
On 6/11/2013 11:36 AM, George Dunlap wrote: On 06/10/2013 10:06 PM, Konrad Rzeszutek Wilk wrote: There are two tool-stack that can instruct the Xen PCI frontend and backend to change states: 'xm' (Python code with a daemon), and 'xl' (C library - does not keep state changes). With the 'xm', th

Re: [PATCH] xen/pci: Deal with toolstack missing an 'XenbusStateClosing'.

2013-06-11 Thread konrad wilk
On 6/11/2013 12:17 PM, George Dunlap wrote: On 06/11/2013 05:08 PM, konrad wilk wrote: On 6/11/2013 11:36 AM, George Dunlap wrote: On 06/10/2013 10:06 PM, Konrad Rzeszutek Wilk wrote: There are two tool-stack that can instruct the Xen PCI frontend and backend to change states: 'xm

Re: [PATCH] xen: ifdef CONFIG_HIBERNATE_CALLBACKS xen_*_suspend

2013-06-27 Thread konrad wilk
On 6/27/2013 9:28 AM, Stefano Stabellini wrote: xen_hvm_post_suspend, xen_pre_suspend, xen_post_suspend are only used if CONFIG_HIBERNATE_CALLBACKS is defined, resulting in: drivers/xen/manage.c:46:13: warning: ‘xen_hvm_post_suspend’ defined but not used [-Wunused-function] drivers/xen/manage.

Re: [GIT PULL] (xen) stable/for-linus-3.9-rc3-tag

2013-03-23 Thread konrad wilk
> David Vrabel (1): xen/events: avoid race with raising an event in unmask_evtchn() Unless I am looking in the wrong place, this patch is still the same one that breaks PV on HVM and Xen ARM guests, see: http://marc.info/?l=xen-devel&m=136377731913034 David is aware of the issue and I think is

Re: Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use

2013-08-21 Thread konrad wilk
On 8/21/2013 9:48 AM, David Vrabel wrote: All, 179ef71c (mm: save soft-dirty bits on swapped pages) introduces a new PTE bit on x86 _PTE_SWP_SOFT_DIRTY which has the same value as _PTE_PSE and _PTE_PAT. With a Xen PV guest, the use of the _PTE_PAT will result in the page having unexpected cach

Re: [PATCH v3 1/3] acpi: Call acpi_os_prepare_sleep hook in reduced hardware sleep path

2013-07-26 Thread konrad wilk
On 7/25/2013 10:51 PM, Zheng, Lv wrote: From: Konrad Rzeszutek Wilk [mailto:konrad.w...@oracle.com] Sent: Thursday, July 25, 2013 8:04 PM CC-ing some of the tboot maintainers. As what I've said, it's up to the others to determine if the patch is OK. I just need to make my concerns visible in t

Re: [PATCH v4 21/22] x86, mm: Make init_mem_mapping be able to be called several times

2013-04-11 Thread Konrad Wilk
- ying...@kernel.org wrote: > Prepare to put page table on local nodes. > > Move calling of init_mem_mapping to early_initmem_init. > > Rework alloc_low_pages to alloc page table in following order: > BRK, local node, low range > > Still only load_cr3 one time, otherwise we would bre

Re: mellanox mlx4_core and SR-IOV

2012-08-03 Thread Konrad Wilk
Sorry about top-posting, using an webemail client. This looks like you are using PV PCI passthrough? If so, did you remember to use 'iommu=soft' to enable the Xen-SWIOTLB in your guest? And are you booting with more than 4GB? Or is less than 3GB (so that you have a nice gap in E820). - Origin

Re: [Xen-devel] [PATCH] xen/grant-table: Force to use v1 of grants.

2013-01-17 Thread konrad wilk
On 1/17/2013 8:05 AM, Jan Beulich wrote: On 17.01.13 at 13:22, Matt Wilson wrote: On Wed, Jan 16, 2013 at 04:22:49PM -0500, Konrad Rzeszutek Wilk wrote: We have the framework to use v2, but there are no backends that actually use it. The end result is that on PV we use v2 grants and on PVHVM

Re: [PATCH v3 0/5] enhance DMA CMA on x86

2014-10-03 Thread konrad wilk
On 10/3/2014 12:06 PM, Akinobu Mita wrote: 2014-10-03 23:27 GMT+09:00 Peter Hurley : On 10/02/2014 07:08 PM, Akinobu Mita wrote: 2014-10-03 7:03 GMT+09:00 Peter Hurley : On 10/02/2014 12:41 PM, Konrad Rzeszutek Wilk wrote: On Tue, Sep 30, 2014 at 09:49:54PM -0400, Peter Hurley wrote: On 09/3