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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1736926739; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=MxJuQ8Cl1gXvB+3D3yOsNEiCMEzVPi4p9bEG36lFuUU=; b=iHyR3yDhYmhis7ZaLFIK4Qr79kgQNvtbrmW7VZdqDialxM8DZrwll9O4kIY6vfrHUo7PNz KJibW86Xis0sG+5UtQfuReb9lm1poJ6L+dR7+Vqw5n7Xi7D+2KEnmzReJTuOmiZQJ2Ma6g hv0i3NJd93uiACV9ut+ynnWgvTsL8Ys= X-MC-Unique: x1TdTgD-OJSix_xW-GANWg-1 X-Mimecast-MFC-AGG-ID: x1TdTgD-OJSix_xW-GANWg From: Thomas Huth To: qemu-s390x@nongnu.org, Christian Borntraeger , David Hildenbrand Cc: qemu-devel@nongnu.org, Halil Pasic , Eric Farman , Richard Henderson , Ilya Leoshkevich Subject: [PATCH 6/8] hw/s390x/event-facility: Remove the obsolete "allow_all_mask_sizes" code Date: Wed, 15 Jan 2025 08:38:17 +0100 Message-ID: <20250115073819.15452-7-thuth@redhat.com> In-Reply-To: <20250115073819.15452-1-thuth@redhat.com> References: <20250115073819.15452-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 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=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.063, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: 1736926829743019000 Content-Type: text/plain; charset="utf-8" Now that the machine types 2.11 and older have been removed, we don't need the "allow_all_mask_sizes" compatibility handling code anymore and can remove it now. Signed-off-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/s390x/event-facility.c | 37 +------------------------------------ 1 file changed, 1 insertion(+), 36 deletions(-) diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c index 2b0332c20e..76ba688370 100644 --- a/hw/s390x/event-facility.c +++ b/hw/s390x/event-facility.c @@ -45,13 +45,6 @@ struct SCLPEventFacility { uint32_t receive_mask_pieces[2]; sccb_mask_t receive_mask; }; - /* - * when false, we keep the same broken, backwards compatible behaviour= as - * before, allowing only masks of size exactly 4; when true, we implem= ent - * the architecture correctly, allowing all valid mask sizes. Needed f= or - * migration toward older versions. - */ - bool allow_all_mask_sizes; /* length of the receive mask */ uint16_t mask_length; }; @@ -294,8 +287,7 @@ static void write_event_mask(SCLPEventFacility *ef, SCC= B *sccb) uint16_t mask_length =3D be16_to_cpu(we_mask->mask_length); sccb_mask_t tmp_mask; =20 - if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX) || - ((mask_length !=3D 4) && !ef->allow_all_mask_sizes)) { + if (!mask_length || mask_length > SCLP_EVENT_MASK_LEN_MAX) { sccb->h.response_code =3D cpu_to_be16(SCLP_RC_INVALID_MASK_LENGTH); return; } @@ -355,13 +347,6 @@ static bool vmstate_event_facility_mask64_needed(void = *opaque) return (ef->receive_mask & 0xFFFFFFFF) !=3D 0; } =20 -static bool vmstate_event_facility_mask_length_needed(void *opaque) -{ - SCLPEventFacility *ef =3D opaque; - - return ef->allow_all_mask_sizes; -} - static const VMStateDescription vmstate_event_facility_mask64 =3D { .name =3D "vmstate-event-facility/mask64", .version_id =3D 0, @@ -377,7 +362,6 @@ static const VMStateDescription vmstate_event_facility_= mask_length =3D { .name =3D "vmstate-event-facility/mask_length", .version_id =3D 0, .minimum_version_id =3D 0, - .needed =3D vmstate_event_facility_mask_length_needed, .fields =3D (const VMStateField[]) { VMSTATE_UINT16(mask_length, SCLPEventFacility), VMSTATE_END_OF_LIST() @@ -399,31 +383,12 @@ static const VMStateDescription vmstate_event_facilit= y =3D { } }; =20 -static void sclp_event_set_allow_all_mask_sizes(Object *obj, bool value, - Error **errp) -{ - SCLPEventFacility *ef =3D (SCLPEventFacility *)obj; - - ef->allow_all_mask_sizes =3D value; -} - -static bool sclp_event_get_allow_all_mask_sizes(Object *obj, Error **errp) -{ - SCLPEventFacility *ef =3D (SCLPEventFacility *)obj; - - return ef->allow_all_mask_sizes; -} - static void init_event_facility(Object *obj) { SCLPEventFacility *event_facility =3D EVENT_FACILITY(obj); DeviceState *sdev =3D DEVICE(obj); =20 event_facility->mask_length =3D 4; - event_facility->allow_all_mask_sizes =3D true; - object_property_add_bool(obj, "allow_all_mask_sizes", - sclp_event_get_allow_all_mask_sizes, - sclp_event_set_allow_all_mask_sizes); =20 /* Spawn a new bus for SCLP events */ qbus_init(&event_facility->sbus, sizeof(event_facility->sbus), --=20 2.47.1