From: Jan Kiszka <jan.kiszka@siemens.com> To: Avi Kivity <avi@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com> Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: Re: [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse Date: Mon, 10 Jan 2011 11:10:43 +0100 [thread overview] Message-ID: <4D2ADB23.1090505@siemens.com> (raw) In-Reply-To: <cover.1294648329.git.jan.kiszka@web.de> Am 10.01.2011 09:31, Jan Kiszka wrote: > 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 Ugh, I did it again: Forgot to test this "trivial" patch. Promptly, it turned out to be buggy, and it also revealed some potential issues in the kvm init code. Need to look into this later. The rest of the series is unaffected, though. Jan > 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(-) > -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kiszka <jan.kiszka@siemens.com> To: Avi Kivity <avi@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com> Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [Qemu-devel] Re: [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse Date: Mon, 10 Jan 2011 11:10:43 +0100 [thread overview] Message-ID: <4D2ADB23.1090505@siemens.com> (raw) In-Reply-To: <cover.1294648329.git.jan.kiszka@web.de> Am 10.01.2011 09:31, Jan Kiszka wrote: > 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 Ugh, I did it again: Forgot to test this "trivial" patch. Promptly, it turned out to be buggy, and it also revealed some potential issues in the kvm init code. Need to look into this later. The rest of the series is unaffected, though. Jan > 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(-) > -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2011-01-10 10:11 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-01-10 8:31 [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 01/18] Revert "kvm: Drop return value of kvm_cpu_exec" Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 02/18] kvm: Drop redundant kvm_enabled from kvm_cpu_thread_fn Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 03/18] kvm: Provide sigbus services arch-independently Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 10:13 ` Paolo Bonzini 2011-01-10 10:13 ` [Qemu-devel] " Paolo Bonzini 2011-01-10 10:30 ` Jan Kiszka 2011-01-10 10:30 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 04/18] Refactor signal setup functions in cpus.c Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 05/18] kvm: Set up signal mask also for !CONFIG_IOTHREAD Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:31 ` [PATCH 06/18] kvm: Refactor qemu_kvm_eat_signals Jan Kiszka 2011-01-10 8:31 ` [Qemu-devel] " Jan Kiszka 2011-01-10 10:15 ` Paolo Bonzini 2011-01-10 10:15 ` [Qemu-devel] " Paolo Bonzini 2011-01-10 8:32 ` [PATCH 07/18] kvm: Add MCE signal support for !CONFIG_IOTHREAD Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-24 11:17 ` Marcelo Tosatti 2011-01-24 11:17 ` [Qemu-devel] " Marcelo Tosatti 2011-01-24 12:36 ` Jan Kiszka 2011-01-24 12:36 ` [Qemu-devel] " Jan Kiszka 2011-01-26 8:09 ` Jan Kiszka 2011-01-26 8:09 ` [Qemu-devel] " Jan Kiszka 2011-01-26 12:01 ` Marcelo Tosatti 2011-01-26 12:01 ` [Qemu-devel] " Marcelo Tosatti 2011-01-26 12:06 ` Jan Kiszka 2011-01-26 12:06 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 08/18] kvm: Handle kvm_init_vcpu errors Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 09/18] Refactor kvm&tcg function names in cpus.c Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 10/18] Fix a few coding style violations " Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 11/18] Introduce VCPU self-signaling service Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-24 11:47 ` Marcelo Tosatti 2011-01-24 11:47 ` [Qemu-devel] " Marcelo Tosatti 2011-01-24 12:36 ` Jan Kiszka 2011-01-24 12:36 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 12/18] kvm: Move irqchip event processing out of inner loop Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 13/18] kvm: Unconditionally reenter kernel after IO exits Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 14/18] kvm: Remove static return code of kvm_handle_io Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 15/18] kvm: Leave kvm_cpu_exec directly after KVM_EXIT_SHUTDOWN Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 16/18] kvm: Separate TCG from KVM cpu execution Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 17/18] kvm: x86: Prepare VCPU loop for in-kernel irqchip Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 8:32 ` [PATCH 18/18] kvm: Drop return values from kvm_arch_pre/post_run Jan Kiszka 2011-01-10 8:32 ` [Qemu-devel] " Jan Kiszka 2011-01-10 10:10 ` Jan Kiszka [this message] 2011-01-10 10:10 ` [Qemu-devel] Re: [PATCH 00/18] [uq/master] MCE & IO exit fixes, prepare for VCPU loop reuse Jan Kiszka
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