From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47508) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dIJ5T-0005wn-Vd for qemu-devel@nongnu.org; Tue, 06 Jun 2017 14:20:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dIJ5P-0007ND-Ka for qemu-devel@nongnu.org; Tue, 06 Jun 2017 14:20:15 -0400 Received: from mail-eopbgr30107.outbound.protection.outlook.com ([40.107.3.107]:56200 helo=EUR03-AM5-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dIJ5P-0007MD-86 for qemu-devel@nongnu.org; Tue, 06 Jun 2017 14:20:11 -0400 From: Roman Kagan Date: Tue, 6 Jun 2017 21:19:39 +0300 Message-Id: <20170606181948.16238-15-rkagan@virtuozzo.com> In-Reply-To: <20170606181948.16238-1-rkagan@virtuozzo.com> References: <20170606181948.16238-1-rkagan@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH 14/23] kvm-all: make async_safe_run_on_cpu safe on kvm too List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Eduardo Habkost , Evgeny Yakovlev , "Denis V . Lunev" Wrap the bulk of kvm_cpu_exec with cpu_exec_start/end, so that kvm version can also enjoy performing certain operations while all vCPUs are quiescent. Signed-off-by: Roman Kagan --- kvm-all.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kvm-all.c b/kvm-all.c index 494b925..85668fb 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1974,6 +1974,7 @@ int kvm_cpu_exec(CPUState *cpu) } qemu_mutex_unlock_iothread(); + cpu_exec_start(cpu); do { MemTxAttrs attrs; @@ -2103,6 +2104,7 @@ int kvm_cpu_exec(CPUState *cpu) } } while (ret == 0); + cpu_exec_end(cpu); qemu_mutex_lock_iothread(); if (ret < 0) { -- 2.9.4