Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-09 Thread Dave Scott
> On 9 Jun 2015, at 10:38, Wei Liu wrote: > > On Tue, Jun 09, 2015 at 10:29:56AM +0100, Wei Liu wrote: > [...] + con.next_tid <- initial_next_tid >>> >>> I couldn’t spot the part in the C version where the next transaction id is >>> reset — is this a (minor) difference between the two im

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-09 Thread Wei Liu
On Tue, Jun 09, 2015 at 10:29:56AM +0100, Wei Liu wrote: [...] > > > + con.next_tid <- initial_next_tid > > > > I couldn’t spot the part in the C version where the next transaction id is > > reset — is this a (minor) difference between the two implementations, or > > have I misread the code? >

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-09 Thread Wei Liu
On Tue, Jun 09, 2015 at 09:19:19AM +0100, Dave Scott wrote: > > > On 8 Jun 2015, at 18:43, Wei Liu wrote: > > > > On Mon, Jun 08, 2015 at 04:53:46PM +0100, Wei Liu wrote: > >> On Wed, Jun 03, 2015 at 03:35:18PM +0200, Vitaly Kuznetsov wrote: > >>> Jan and Tim, > >>> > >>> last week you expresse

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-09 Thread Dave Scott
> On 8 Jun 2015, at 18:43, Wei Liu wrote: > > On Mon, Jun 08, 2015 at 04:53:46PM +0100, Wei Liu wrote: >> On Wed, Jun 03, 2015 at 03:35:18PM +0200, Vitaly Kuznetsov wrote: >>> Jan and Tim, >>> >>> last week you expressed some concerns about if the toolstack-based >>> approach to PVHVM guest kex

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-08 Thread Wei Liu
On Mon, Jun 08, 2015 at 04:53:46PM +0100, Wei Liu wrote: > On Wed, Jun 03, 2015 at 03:35:18PM +0200, Vitaly Kuznetsov wrote: > > Jan and Tim, > > > > last week you expressed some concerns about if the toolstack-based > > approach to PVHVM guest kexec is the best. Here you can see the 'reset > > ev

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-08 Thread Wei Liu
On Wed, Jun 03, 2015 at 03:35:18PM +0200, Vitaly Kuznetsov wrote: > Jan and Tim, > > last week you expressed some concerns about if the toolstack-based > approach to PVHVM guest kexec is the best. Here you can see the 'reset > everything' approach to the same problem. It is the bare minimum of wha

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-08 Thread Ian Jackson
Vitaly Kuznetsov writes ("[PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec"): > 1) As XS_RESET_WATCHES is not supported by oxenstored we need to try removing > the watch in case add operation failed, e.g.: It would surely be better to fix oxenstored. IIRC the approach of trying t

Re: [Xen-devel] [PATCH RFC 0/4] 'reset everything' approach to PVHVM guest kexec

2015-06-04 Thread Tim Deegan
Hi, At 15:35 +0200 on 03 Jun (1433345718), Vitaly Kuznetsov wrote: > last week you expressed some concerns about if the toolstack-based > approach to PVHVM guest kexec is the best. Here you can see the 'reset > everything' approach to the same problem. It is the bare minimum of what > should be do