Re: dom0 panic with Upstream Linux 4.1 tree

2015-08-24 Thread Juergen Groß
On 08/17/2015 09:32 AM, Zhenzhong Duan wrote: Hi Maintainers I found below panic when bootup OVM3.3.3 on HP PROLIANT DL980 G7 with dom0_mem=max:128G, not reproduce with dom0_mem=max:127G. Dom0 kernel is uek4 4.1.5-5.el6uek which is based on Upstream Linux 4.1 tree. This looks like an upstream is

Re: [PATCH RFC] xen: if on Xen, "flatten" the scheduling domain hierarchy

2015-08-20 Thread Juergen Groß
On 08/18/2015 05:55 PM, Dario Faggioli wrote: Hey everyone, So, as a followup of what we were discussing in this thread: [Xen-devel] PV-vNUMA issue: topology is misinterpreted by the guest http://lists.xenproject.org/archives/html/xen-devel/2015-07/msg03241.html I started looking in more d

Re: [PATCH] x86: xen: remove unnecessary variable in xen_foreach_remap_area()

2017-06-26 Thread Juergen Groß
On 06/24/2017 12:01 AM, Gustavo A. R. Silva wrote: Remove unnecessary variable mfn in function xen_foreach_remap_area() and, refactor the code. Variable mfn at line 518:mfn = xen_remap_buf.mfns[i]; is only being used to store a value to be passed as an argument to the xen_update_mem_tables() fun

Re: [PATCH] x86/xen: allow userspace access during hypercalls

2017-06-26 Thread Juergen Groß
On 06/23/2017 02:47 PM, Marek Marczykowski-Górecki wrote: Userspace application can do a hypercall through /dev/xen/privcmd, and some for some hypercalls argument is a pointers to user-provided structure. When SMAP is supported and enabled, hypervisor can't access. So, lets allow it. What about

Re: [PATCH v2] x86/xen: allow userspace access during hypercalls

2017-06-26 Thread Juergen Groß
On 06/26/2017 02:49 PM, Marek Marczykowski-Górecki wrote: Userspace application can do a hypercall through /dev/xen/privcmd, and some for some hypercalls argument is a pointers to user-provided structure. When SMAP is supported and enabled, hypervisor can't access. So, lets allow it. The same ap

Re: [Xen-devel] [PATCH] xen/x86: Don't BUG on CPU0 offlining

2017-06-29 Thread Juergen Groß
On 06/28/2017 06:31 PM, Vitaly Kuznetsov wrote: Konrad Rzeszutek Wilk writes: 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 leftov