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Message-ID: <6e1792a31c1646f4a301faf1a1b42cc1@huawei.com>
Date: Thu, 2 Nov 2023 13:25:31 +0000
From: "Gonglei (Arei)" <arei.gonglei@...wei.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
CC: Halil Pasic <pasic@...ux.ibm.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Jason Wang <jasowang@...hat.com>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
Marc Hartmayer <mhartmay@...ux.ibm.com>
Subject: RE: virtcrypto_dataq_callback calls crypto_finalize_request() from
irq context
> -----Original Message-----
> From: Michael S. Tsirkin [mailto:mst@...hat.com]
> Sent: Thursday, November 2, 2023 9:17 PM
> To: Gonglei (Arei) <arei.gonglei@...wei.com>
> Cc: Halil Pasic <pasic@...ux.ibm.com>; Herbert Xu
> <herbert@...dor.apana.org.au>; Jason Wang <jasowang@...hat.com>;
> virtualization@...ts.linux-foundation.org; linux-kernel@...r.kernel.org;
> linux-crypto@...r.kernel.org; Marc Hartmayer <mhartmay@...ux.ibm.com>
> 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@...hat.com]
> > > Sent: Wednesday, November 1, 2023 9:26 PM
> > > To: Halil Pasic <pasic@...ux.ibm.com>
> > > Cc: Gonglei (Arei) <arei.gonglei@...wei.com>; Herbert Xu
> > > <herbert@...dor.apana.org.au>; Jason Wang <jasowang@...hat.com>;
> > > virtualization@...ts.linux-foundation.org;
> > > linux-kernel@...r.kernel.org; linux-crypto@...r.kernel.org; Marc
> > > Hartmayer <mhartmay@...ux.ibm.com>
> > > 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@...wei.com> 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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