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Date:      Wed, 19 Jan 2022 07:12:17 +0000
From:      bugzilla-noreply@freebsd.org
To:        x11@FreeBSD.org
Subject:   =?UTF-8?B?W0J1ZyAyNjExNjZdIExpbnV4S1BJIGtlcm5lbCBwYW5pY3M6IG1p?= =?UTF-8?B?X3N3aXRjaDogc3dpdGNoIGluIGEgY3JpdGljYWwgc2VjdGlvbiDigJMgMTQu?= =?UTF-8?B?MC1DVVJSRU5UIG1haW4tbjI1MjM4MS03NWQyMGE1ZTM4NiAoMjAyMi0wMS0x?= =?UTF-8?B?MSk=?=
Message-ID:  <bug-261166-7141-q2FeYdvbvq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-261166-7141@https.bugs.freebsd.org/bugzilla/>
References:  <bug-261166-7141@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261166

--- Comment #13 from Graham Perrin <grahamperrin@gmail.com> ---
Another commit in branch main references this bug:

<https://github.com/freebsd/freebsd-src/commit/02ea6033020e11afec6472bf560b=
0ddebd0fa97a>

<https://cgit.freebsd.org/src/commit/?id=3D02ea6033020e11afec6472bf560b0dde=
bd0fa97a>

author    Vladimir Kondratyev <wulf@=F0=A1=80=A6=E2=80=A6> 2022-01-18 20:14=
:12 +0000
committer Vladimir Kondratyev <wulf@=E2=80=A6>  2022-01-18 20:14:12 +0000
commit    02ea6033020e11afec6472bf560b0ddebd0fa97a=20

LinuxKPI: Allow spin_lock_irqsave to be called within a critical section wi=
th
spinning on spin_trylock. dma-buf part of drm-kmod depends on this property=
 and
absence of it support results in "mi_switch: switch in a critical section"
assertions [1][2].

[1] https://github.com/freebsd/drm-kmod/issues/116
[2] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261166

MFC after:      1 week
Reviewed by:    manu
Differential Revision:  https://reviews.freebsd.org/D33887

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