Re: [Qemu-devel] [PATCH v4 0/3] AHCI migration

2013-01-22 Thread Kevin Wolf
Am 18.01.2013 11:28, schrieb Stefan Hajnoczi:
 On Thu, Jan 17, 2013 at 11:01:52AM +0100, Kevin Wolf wrote:
 Let's get Jason's patches merged while they still apply. I addressed the 
 review
 comments (mostly my own) that came up during the v3 review, otherwise this is
 unchanged.

 Please note that in my tests it didn't work entirely reliably and I saw guest
 lockups and kernel crashes in like one of ten cases. I confirmed that the 
 same
 kind of bugs occurs with v3 of the series, so my changes are likely innocent.
 Someone will have to debug this some more, but what I did took about the time
 that I'm willing to spend on it right now.
 
 It makes sense to merge these patches to avoid bitrot, but should we
 keep unmigratable = 1 so that users aren't led to believe migration
 works?
 
 Developers willing to tackle the remaining problem can always comment
 out the unmigratable flag during testing.  But I think users shouldn't
 be exposed to something unreliable.

Makes sense. Added unmigratable = 1 back and applied all to the block
branch.

Kevin



Re: [Qemu-devel] [PATCH v4 0/3] AHCI migration

2013-01-18 Thread Stefan Hajnoczi
On Thu, Jan 17, 2013 at 11:01:52AM +0100, Kevin Wolf wrote:
 Let's get Jason's patches merged while they still apply. I addressed the 
 review
 comments (mostly my own) that came up during the v3 review, otherwise this is
 unchanged.
 
 Please note that in my tests it didn't work entirely reliably and I saw guest
 lockups and kernel crashes in like one of ten cases. I confirmed that the same
 kind of bugs occurs with v3 of the series, so my changes are likely innocent.
 Someone will have to debug this some more, but what I did took about the time
 that I'm willing to spend on it right now.

It makes sense to merge these patches to avoid bitrot, but should we
keep unmigratable = 1 so that users aren't led to believe migration
works?

Developers willing to tackle the remaining problem can always comment
out the unmigratable flag during testing.  But I think users shouldn't
be exposed to something unreliable.

Stefan



Re: [Qemu-devel] [PATCH v4 0/3] AHCI migration

2013-01-18 Thread Juan Quintela
Stefan Hajnoczi stefa...@redhat.com wrote:
 On Thu, Jan 17, 2013 at 11:01:52AM +0100, Kevin Wolf wrote:
 Let's get Jason's patches merged while they still apply. I addressed the 
 review
 comments (mostly my own) that came up during the v3 review, otherwise this is
 unchanged.
 
 Please note that in my tests it didn't work entirely reliably and I saw guest
 lockups and kernel crashes in like one of ten cases. I confirmed that the 
 same
 kind of bugs occurs with v3 of the series, so my changes are likely innocent.
 Someone will have to debug this some more, but what I did took about the time
 that I'm willing to spend on it right now.

 It makes sense to merge these patches to avoid bitrot, but should we
 keep unmigratable = 1 so that users aren't led to believe migration
 works?

 Developers willing to tackle the remaining problem can always comment
 out the unmigratable flag during testing.  But I think users shouldn't
 be exposed to something unreliable.

Agreed with that.

Later, Juan.



[Qemu-devel] [PATCH v4 0/3] AHCI migration

2013-01-17 Thread Kevin Wolf
Let's get Jason's patches merged while they still apply. I addressed the review
comments (mostly my own) that came up during the v3 review, otherwise this is
unchanged.

Please note that in my tests it didn't work entirely reliably and I saw guest
lockups and kernel crashes in like one of ten cases. I confirmed that the same
kind of bugs occurs with v3 of the series, so my changes are likely innocent.
Someone will have to debug this some more, but what I did took about the time
that I'm willing to spend on it right now.

Jason Baron (2):
  ahci: Remove unused AHCIDevice fields
  ahci: Add migration support

Kevin Wolf (1):
  ahci: Change data types in preparation for migration

 hw/ide/ahci.c |   97 ++--
 hw/ide/ahci.h |   20 ---
 hw/ide/ich.c  |   13 +--
 3 files changed, 109 insertions(+), 21 deletions(-)

-- 
1.7.6.5