From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39242) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bEsNg-0003II-Da for qemu-devel@nongnu.org; Mon, 20 Jun 2016 02:08:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bEsNb-0001hH-22 for qemu-devel@nongnu.org; Mon, 20 Jun 2016 02:08:19 -0400 Received: from [59.151.112.132] (port=18433 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bEsNa-0001dt-Ci for qemu-devel@nongnu.org; Mon, 20 Jun 2016 02:08:14 -0400 From: Cao jin Date: Mon, 20 Jun 2016 14:13:44 +0800 Message-ID: <1466403224-16604-14-git-send-email-caoj.fnst@cn.fujitsu.com> In-Reply-To: <1466403224-16604-1-git-send-email-caoj.fnst@cn.fujitsu.com> References: <1466403224-16604-1-git-send-email-caoj.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v9 13/13] vmw_pvscsi: remove unnecessary internal msi state flag List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Dmitry Fleytman , Markus Armbruster , Marcel Apfelbaum , "Michael S. Tsirkin" Internal flag msi_used is uncesessary, msi_uninit() could be called directly, msi_enabled() is enough to check device msi state. But for migration compatibility, keep the field in structure. cc: Paolo Bonzini cc: Dmitry Fleytman cc: Markus Armbruster cc: Marcel Apfelbaum cc: Michael S. Tsirkin Signed-off-by: Cao jin --- hw/scsi/vmw_pvscsi.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c index ecd6077..da71c8c 100644 --- a/hw/scsi/vmw_pvscsi.c +++ b/hw/scsi/vmw_pvscsi.c @@ -121,8 +121,7 @@ typedef struct { uint8_t msg_ring_info_valid; /* Whether message ring initialized */ uint8_t use_msg; /* Whether to use message ring */ - uint8_t msi_used; /* Whether MSI support was installed successfully */ - + uint8_t msi_used; /* For migration compatibility */ PVSCSIRingInfo rings; /* Data transfer rings manager */ uint32_t resetting; /* Reset in progress */ @@ -362,7 +361,7 @@ pvscsi_update_irq_status(PVSCSIState *s) trace_pvscsi_update_irq_level(should_raise, s->reg_interrupt_enabled, s->reg_interrupt_status); - if (s->msi_used && msi_enabled(d)) { + if (msi_enabled(d)) { if (should_raise) { trace_pvscsi_update_irq_msi(); msi_notify(d, PVSCSI_VECTOR_COMPLETION); @@ -1077,9 +1076,7 @@ pvscsi_cleanup_msi(PVSCSIState *s) { PCIDevice *d = PCI_DEVICE(s); - if (s->msi_used) { - msi_uninit(d); - } + msi_uninit(d); } static const MemoryRegionOps pvscsi_ops = { -- 2.1.0