RE: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-28 Thread Paul Durrant
Apologies; I missed the v2 from the subject line. I'll re-send. Paul > -Original Message- > From: Xen-devel On Behalf Of Paul > Durrant > Sent: 28 January 2021 12:55 > To: xen-de...@lists.xenproject.org; linux-bl...@vger.kernel.org; > linux-kernel@vger.kernel.org > Cc: Paul Durrant

RE: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-28 Thread Paul Durrant
; Roger Pau > Monné ; Jens Axboe > Subject: Re: [PATCH] xen-blkback: fix compatibility bug with single page rings > > > > On 1/27/21 2:30 AM, Paul Durrant wrote: > > From: Paul Durrant > > > > Prior to commit 4a8c31a1c6f5 ("xen/blkback: rework con

Re: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Dongli Zhang
On 1/27/21 2:30 AM, Paul Durrant wrote: > From: Paul Durrant > > Prior to commit 4a8c31a1c6f5 ("xen/blkback: rework connect_ring() to avoid > inconsistent xenstore 'ring-page-order' set by malicious blkfront"), the > behaviour of xen-blkback when connecting to a frontend was: > > - read

Re: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Jan Beulich
gt; ; linux-kernel@vger.kernel.org; >> linux-bl...@vger.kernel.org; xen- >> de...@lists.xenproject.org >> Subject: Re: [PATCH] xen-blkback: fix compatibility bug with single page >> rings >> >> On 27.01.2021 12:09, Paul Durrant wrote: >>>> -Orig

RE: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Paul Durrant
@vger.kernel.org; xen- > de...@lists.xenproject.org > Subject: Re: [PATCH] xen-blkback: fix compatibility bug with single page rings > > On 27.01.2021 12:09, Paul Durrant wrote: > >> -Original Message- > >> From: Jan Beulich > >> Sent: 27 January 2021 10:57 &g

Re: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Jan Beulich
> ; >> linux-kernel@vger.kernel.org; linux-bl...@vger.kernel.org; >> xen-de...@lists.xenproject.org >> Subject: Re: [PATCH] xen-blkback: fix compatibility bug with single page >> rings >> >> On 27.01.2021 11:30, Paul Durrant wrote: >>> From: Pau

RE: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Paul Durrant
xen-de...@lists.xenproject.org > Subject: Re: [PATCH] xen-blkback: fix compatibility bug with single page rings > > On 27.01.2021 11:30, Paul Durrant wrote: > > From: Paul Durrant > > > > Prior to commit 4a8c31a1c6f5 ("xen/blkback: rework connect_ring() to avoid > &g

Re: [PATCH] xen-blkback: fix compatibility bug with single page rings

2021-01-27 Thread Jan Beulich
On 27.01.2021 11:30, Paul Durrant wrote: > From: Paul Durrant > > Prior to commit 4a8c31a1c6f5 ("xen/blkback: rework connect_ring() to avoid > inconsistent xenstore 'ring-page-order' set by malicious blkfront"), the > behaviour of xen-blkback when connecting to a frontend was: > > - read