RE: virtcrypto_dataq_callback calls crypto_finalize_request() from irq context

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> -----Original Message-----
> From: Michael S. Tsirkin [mailto:mst@xxxxxxxxxx]
> Sent: Thursday, November 2, 2023 9:17 PM
> To: Gonglei (Arei) <arei.gonglei@xxxxxxxxxx>
> Cc: Halil Pasic <pasic@xxxxxxxxxxxxx>; Herbert Xu
> <herbert@xxxxxxxxxxxxxxxxxxx>; Jason Wang <jasowang@xxxxxxxxxx>;
> virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-crypto@xxxxxxxxxxxxxxx; Marc Hartmayer <mhartmay@xxxxxxxxxxxxx>
> Subject: Re: virtcrypto_dataq_callback calls crypto_finalize_request() from irq
> context
> 
> On Thu, Nov 02, 2023 at 01:04:07PM +0000, Gonglei (Arei) wrote:
> >
> >
> > > -----Original Message-----
> > > From: Michael S. Tsirkin [mailto:mst@xxxxxxxxxx]
> > > Sent: Wednesday, November 1, 2023 9:26 PM
> > > To: Halil Pasic <pasic@xxxxxxxxxxxxx>
> > > Cc: Gonglei (Arei) <arei.gonglei@xxxxxxxxxx>; Herbert Xu
> > > <herbert@xxxxxxxxxxxxxxxxxxx>; Jason Wang <jasowang@xxxxxxxxxx>;
> > > virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx;
> > > linux-kernel@xxxxxxxxxxxxxxx; linux-crypto@xxxxxxxxxxxxxxx; Marc
> > > Hartmayer <mhartmay@xxxxxxxxxxxxx>
> > > Subject: Re: virtcrypto_dataq_callback calls
> > > crypto_finalize_request() from irq context
> > >
> > > On Sun, Sep 24, 2023 at 07:39:41PM +0200, Halil Pasic wrote:
> > > > On Sun, 24 Sep 2023 11:56:25 +0000 "Gonglei (Arei)"
> > > > <arei.gonglei@xxxxxxxxxx> wrote:
> > > >
> > > > > Hi Halil,
> > > > >
> > > > > Commit 4058cf08945 introduced a check for detecting crypto
> > > > > completion function called with enable BH, and indeed the
> > > > > virtio-crypto driver didn't disable BH, which needs a patch to fix it.
> > > > >
> > > > > P.S.:
> > > > > https://lore.kernel.org/lkml/20220221120833.2618733-5-clabbe@bay
> > > > > libr
> > > > > e.com/T/
> > > > >
> > > > > Regards,
> > > > > -Gonglei
> > > >
> > > > Thanks Gonglei!
> > > >
> > > > Thanks! I would be glad to test that fix on s390x. Are you about
> > > > to send one?
> > > >
> > > > Regards,
> > > > Halil
> > >
> > >
> > > Gonglei did you intend to send a fix?
> >
> > Actually I sent a patch a month ago, pls see another thread.
> >
> >
> > Regards,
> > -Gonglei
> 
> And I think there was an issue with that patch that you wanted to fix?
> config changed callback got fixed but this still didn't.
> 
Now my concern is whether or not the judgement (commit 4058cf08945c1) is reasonable.

Regards,
-Gonglei



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