From patchwork Fri Nov 28 14:12:20 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 415892 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 7345414017E for ; Sat, 29 Nov 2014 01:17:06 +1100 (AEDT) Received: from localhost ([::1]:44579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuMM4-0007Ce-IT for incoming@patchwork.ozlabs.org; Fri, 28 Nov 2014 09:17:04 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34674) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuMI4-0000Zi-JS for qemu-devel@nongnu.org; Fri, 28 Nov 2014 09:13:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XuMHy-0004vU-7n for qemu-devel@nongnu.org; Fri, 28 Nov 2014 09:12:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53458) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XuMHx-0004vO-Uq for qemu-devel@nongnu.org; Fri, 28 Nov 2014 09:12:50 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id sASECiFg009174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 28 Nov 2014 09:12:44 -0500 Received: from donizetti.redhat.com (ovpn-112-73.ams2.redhat.com [10.36.112.73]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id sASECLD2022437; Fri, 28 Nov 2014 09:12:41 -0500 From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Fri, 28 Nov 2014 15:12:20 +0100 Message-Id: <1417183941-26329-7-git-send-email-pbonzini@redhat.com> In-Reply-To: <1417183941-26329-1-git-send-email-pbonzini@redhat.com> References: <1417183941-26329-1-git-send-email-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, ming.lei@canonical.com, pl@kamp.de, stefanha@redhat.com Subject: [Qemu-devel] [PATCH 6/7] coroutine: drop qemu_coroutine_adjust_pool_size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This is not needed anymore. The new TLS-based algorithm is adaptive. Signed-off-by: Paolo Bonzini --- block/block-backend.c | 4 ---- include/block/coroutine.h | 10 ---------- qemu-coroutine.c | 4 ---- 3 files changed, 18 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index d0692b1..abf0cd1 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -260,9 +260,6 @@ int blk_attach_dev(BlockBackend *blk, void *dev) blk_ref(blk); blk->dev = dev; bdrv_iostatus_reset(blk->bs); - - /* We're expecting I/O from the device so bump up coroutine pool size */ - qemu_coroutine_adjust_pool_size(COROUTINE_POOL_RESERVATION); return 0; } @@ -290,7 +287,6 @@ void blk_detach_dev(BlockBackend *blk, void *dev) blk->dev_ops = NULL; blk->dev_opaque = NULL; bdrv_set_guest_block_size(blk->bs, 512); - qemu_coroutine_adjust_pool_size(-COROUTINE_POOL_RESERVATION); blk_unref(blk); } diff --git a/include/block/coroutine.h b/include/block/coroutine.h index 793df0e..20c027a 100644 --- a/include/block/coroutine.h +++ b/include/block/coroutine.h @@ -216,14 +216,4 @@ void coroutine_fn co_aio_sleep_ns(AioContext *ctx, QEMUClockType type, */ void coroutine_fn yield_until_fd_readable(int fd); -/** - * Add or subtract from the coroutine pool size - * - * The coroutine implementation keeps a pool of coroutines to be reused by - * qemu_coroutine_create(). This makes coroutine creation cheap. Heavy - * coroutine users should call this to reserve pool space. Call it again with - * a negative number to release pool space. - */ -void qemu_coroutine_adjust_pool_size(int n); - #endif /* QEMU_COROUTINE_H */ diff --git a/qemu-coroutine.c b/qemu-coroutine.c index aee1017..ca40f4f 100644 --- a/qemu-coroutine.c +++ b/qemu-coroutine.c @@ -144,7 +144,3 @@ void coroutine_fn qemu_coroutine_yield(void) self->caller = NULL; coroutine_swap(self, to); } - -void qemu_coroutine_adjust_pool_size(int n) -{ -}