From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse Date: Mon, 10 Jan 2011 09:31:53 +0100 Message-ID: Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org To: Avi Kivity , Marcelo Tosatti Return-path: Received: from fmmailgate01.web.de ([217.72.192.221]:50109 "EHLO fmmailgate01.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494Ab1AJIcR (ORCPT ); Mon, 10 Jan 2011 03:32:17 -0500 CC: Alexander Graf CC: Gleb Natapov CC: Huang Ying Sender: kvm-owner@vger.kernel.org List-ID: This series has three major topics: - add required kernel reentry after IO exits - provide MCE forwarding under !CONFIG_IOTHREAD - prepare kvm_cpu_exec for qemu-kvm reuse Along these lines, several cleanups and simplifcations are applied to cpus.c and the KVM VCPU execution bits. The first patch should of course be dropped if uq/master is applied without "kvm: Drop return value of kvm_cpu_exec". Note that I did not yet to test the MCE support. Is there an easy way to trigger valid MCE events at kernel level? Or do I need to fake SIGBUS at qemu level? Jan Kiszka (18): Revert "kvm: Drop return value of kvm_cpu_exec" kvm: Drop redundant kvm_enabled from kvm_cpu_thread_fn kvm: Provide sigbus services arch-independently Refactor signal setup functions in cpus.c kvm: Set up signal mask also for !CONFIG_IOTHREAD kvm: Refactor qemu_kvm_eat_signals kvm: Add MCE signal support for !CONFIG_IOTHREAD kvm: Handle kvm_init_vcpu errors Refactor kvm&tcg function names in cpus.c Fix a few coding style violations in cpus.c Introduce VCPU self-signaling service kvm: Move irqchip event processing out of inner loop kvm: Unconditionally reenter kernel after IO exits kvm: Remove static return code of kvm_handle_io kvm: Leave kvm_cpu_exec directly after KVM_EXIT_SHUTDOWN kvm: Separate TCG from KVM cpu execution kvm: x86: Prepare VCPU loop for in-kernel irqchip kvm: Drop return values from kvm_arch_pre/post_run cpu-exec.c | 19 +-- cpus.c | 521 +++++++++++++++++++++++++++++++--------------------- kvm-all.c | 76 +++++---- kvm-stub.c | 9 +- kvm.h | 14 +- qemu-common.h | 1 + target-i386/kvm.c | 90 +++++----- target-ppc/kvm.c | 16 ++- target-s390x/kvm.c | 16 ++- 9 files changed, 444 insertions(+), 318 deletions(-) From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=52135 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PcDAq-0003ai-Qj for qemu-devel@nongnu.org; Mon, 10 Jan 2011 03:32:21 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PcDAn-0006LH-I1 for qemu-devel@nongnu.org; Mon, 10 Jan 2011 03:32:20 -0500 Received: from fmmailgate01.web.de ([217.72.192.221]:50106) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PcDAn-0006Kt-4u for qemu-devel@nongnu.org; Mon, 10 Jan 2011 03:32:17 -0500 From: Jan Kiszka Date: Mon, 10 Jan 2011 09:31:53 +0100 Message-Id: Sender: jan.kiszka@web.de Subject: [Qemu-devel] [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity , Marcelo Tosatti Cc: Gleb Natapov , Huang Ying , qemu-devel@nongnu.org, kvm@vger.kernel.org, Alexander Graf This series has three major topics: - add required kernel reentry after IO exits - provide MCE forwarding under !CONFIG_IOTHREAD - prepare kvm_cpu_exec for qemu-kvm reuse Along these lines, several cleanups and simplifcations are applied to cpus.c and the KVM VCPU execution bits. The first patch should of course be dropped if uq/master is applied without "kvm: Drop return value of kvm_cpu_exec". Note that I did not yet to test the MCE support. Is there an easy way to trigger valid MCE events at kernel level? Or do I need to fake SIGBUS at qemu level? Jan Kiszka (18): Revert "kvm: Drop return value of kvm_cpu_exec" kvm: Drop redundant kvm_enabled from kvm_cpu_thread_fn kvm: Provide sigbus services arch-independently Refactor signal setup functions in cpus.c kvm: Set up signal mask also for !CONFIG_IOTHREAD kvm: Refactor qemu_kvm_eat_signals kvm: Add MCE signal support for !CONFIG_IOTHREAD kvm: Handle kvm_init_vcpu errors Refactor kvm&tcg function names in cpus.c Fix a few coding style violations in cpus.c Introduce VCPU self-signaling service kvm: Move irqchip event processing out of inner loop kvm: Unconditionally reenter kernel after IO exits kvm: Remove static return code of kvm_handle_io kvm: Leave kvm_cpu_exec directly after KVM_EXIT_SHUTDOWN kvm: Separate TCG from KVM cpu execution kvm: x86: Prepare VCPU loop for in-kernel irqchip kvm: Drop return values from kvm_arch_pre/post_run cpu-exec.c | 19 +-- cpus.c | 521 +++++++++++++++++++++++++++++++--------------------- kvm-all.c | 76 +++++---- kvm-stub.c | 9 +- kvm.h | 14 +- qemu-common.h | 1 + target-i386/kvm.c | 90 +++++----- target-ppc/kvm.c | 16 ++- target-s390x/kvm.c | 16 ++- 9 files changed, 444 insertions(+), 318 deletions(-)