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bh=IOJrNXqNGC6IPJjtQvQ91e3pVQdJqGF1iDAH9V2MKmI=; b=T68bzDolkmNEilhwi2mos9bVpJut6LeDIvyUlWe39sV48QXi9+nbphtAA9MIIvJrvtkhYI tT4vzMII3vrAO9J/iMgxrnND22GGm226FVCrLXFbvLdQl9rogQYU4slNPesivec1INww3n ce4CJg9+OcH1R5iVoHU+G7uEXh1JrxU= X-MC-Unique: Y0edXdmMPh-z5UMVX_N5-Q-1 From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com, hreitz@redhat.com, eblake@redhat.com, qemu-devel@nongnu.org Subject: [PATCH 02/11] qdev-properties-system: Lock AioContext for blk_insert_bs() Date: Wed, 31 May 2023 13:02:22 +0200 Message-Id: <20230531110231.262251-3-kwolf@redhat.com> In-Reply-To: <20230531110231.262251-1-kwolf@redhat.com> References: <20230531110231.262251-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.163, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1685531173592100001 Content-Type: text/plain; charset="utf-8" blk_insert_bs() requires that callers hold the AioContext lock for the node that should be inserted. Take it. Signed-off-by: Kevin Wolf --- hw/core/qdev-properties-system.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-sys= tem.c index d42493f630..7f6b14276a 100644 --- a/hw/core/qdev-properties-system.c +++ b/hw/core/qdev-properties-system.c @@ -147,7 +147,10 @@ static void set_drive_helper(Object *obj, Visitor *v, = const char *name, blk =3D blk_new(ctx, 0, BLK_PERM_ALL); blk_created =3D true; =20 + aio_context_acquire(ctx); ret =3D blk_insert_bs(blk, bs, errp); + aio_context_release(ctx); + if (ret < 0) { goto fail; } --=20 2.40.1