From nobody Mon Feb 9 17:22:48 2026 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1557125917; cv=none; d=zoho.com; s=zohoarc; b=NaVsCOiWBc8aEU4mXqq0PnFNq7Olugk4u4GJtvEuCqB0r+d3TfmzVCxs2hdiOx+AyCXskNs+renDQLj7KxZrhCXM21B3mx/zqFgQtItl7JgR6NuN7BpGk51FBDsmWEPNz0BgBntt5ZH8eU9AilE10E+uZCs5Wwp4LWSGmFnhff8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1557125917; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=ZOatkKk4yP2++h4Gmw5NyHTcltOJ+UB764rd6X9U1+c=; b=KczVwDehy7mtaPre4NYXYdvT3Jb5WtwIsg9PhWQo1DXYluq6SdymMlmUxX7pn4cC5s79WqFeCg3yTI6xdCfb0oVMdm5Yx4ZA2vm+sOwwG6aVe1S/TLGoyW0yRC08xse6eG9RYORjiCCFpJWnDodcLCdRFcGqI4J3bs0xCPOBW50= ARC-Authentication-Results: i=1; mx.zoho.com; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1557125917946282.80359578341483; Sun, 5 May 2019 23:58:37 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hNXZ0-0002pZ-BB; Mon, 06 May 2019 06:57:26 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hNXYm-0002HI-74 for xen-devel@lists.xenproject.org; Mon, 06 May 2019 06:57:12 +0000 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 27acf987-6fcc-11e9-843c-bc764e045a96; Mon, 06 May 2019 06:57:04 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 77F9FAF42; Mon, 6 May 2019 06:57:00 +0000 (UTC) X-Inumbo-ID: 27acf987-6fcc-11e9-843c-bc764e045a96 X-Virus-Scanned: by amavisd-new at test-mx.suse.de From: Juergen Gross To: xen-devel@lists.xenproject.org Date: Mon, 6 May 2019 08:56:43 +0200 Message-Id: <20190506065644.7415-45-jgross@suse.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190506065644.7415-1-jgross@suse.com> References: <20190506065644.7415-1-jgross@suse.com> Subject: [Xen-devel] [PATCH RFC V2 44/45] xen/sched: carve out freeing sched_item memory into dedicated function X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , George Dunlap , Dario Faggioli MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" We'll need a way to free a sched_item structure without side effects in a later patch. Signed-off-by: Juergen Gross --- RFC V2: new patch, carved out from RFC V1 patch 49 --- xen/common/schedule.c | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/xen/common/schedule.c b/xen/common/schedule.c index 49ed2b5900..4336f2bdf8 100644 --- a/xen/common/schedule.c +++ b/xen/common/schedule.c @@ -281,25 +281,10 @@ static void sched_spin_unlock_double(spinlock_t *lock= 1, spinlock_t *lock2, spin_unlock_irqrestore(lock1, flags); } =20 -static void sched_free_item(struct sched_item *item, struct vcpu *v) +static void sched_free_item_mem(struct sched_item *item) { struct sched_item *prev_item; struct domain *d =3D item->domain; - struct vcpu *vitem; - unsigned int cnt =3D 0; - - /* Don't count to be released vcpu, might be not in vcpu list yet. */ - for_each_sched_item_vcpu ( item, vitem ) - if ( vitem !=3D v ) - cnt++; - - v->sched_item =3D NULL; - - if ( cnt ) - return; - - if ( item->vcpu =3D=3D v ) - item->vcpu =3D v->next_in_list; =20 if ( d->sched_item_list =3D=3D item ) d->sched_item_list =3D item->next_in_list; @@ -323,6 +308,25 @@ static void sched_free_item(struct sched_item *item, s= truct vcpu *v) xfree(item); } =20 +static void sched_free_item(struct sched_item *item, struct vcpu *v) +{ + struct vcpu *vitem; + unsigned int cnt =3D 0; + + /* Don't count to be released vcpu, might be not in vcpu list yet. */ + for_each_sched_item_vcpu ( item, vitem ) + if ( vitem !=3D v ) + cnt++; + + v->sched_item =3D NULL; + + if ( item->vcpu =3D=3D v ) + item->vcpu =3D v->next_in_list; + + if ( !cnt ) + sched_free_item_mem(item); +} + static void sched_item_add_vcpu(struct sched_item *item, struct vcpu *v) { v->sched_item =3D item; --=20 2.16.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel