From: Blue Swirl <blauwirbel@gmail.com> To: Alexander Graf <agraf@suse.de> Cc: "Avi Kivity" <avi@redhat.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Michael S. Tsirkin" <mst@redhat.com>, "Marcelo Tosatti" <mtosatti@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "Alex Williamson" <alex.williamson@redhat.com>, "Jan Kiszka" <jan.kiszka@web.de>, "Anthony Liguori" <anthony@codemonkey.ws>, qemu-ppc <qemu-ppc@nongnu.org>, "Andreas Färber" <afaerber@suse.de> Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH 4/4] kvm: i386: Add classic PCI device assignment Date: Sat, 8 Sep 2012 10:16:43 +0000 [thread overview] Message-ID: <CAAu8pHt4UT-RmybUNev+9ZOxaqot9hPkME44GZ5iGqOPiUXxMA@mail.gmail.com> (raw) In-Reply-To: <82563D1C-0B5E-432B-9CA1-68F72B122055@suse.de> On Sat, Sep 8, 2012 at 9:28 AM, Alexander Graf <agraf@suse.de> wrote: > > > On 08.09.2012, at 10:06, Blue Swirl <blauwirbel@gmail.com> wrote: > >> On Thu, Sep 6, 2012 at 8:44 AM, Avi Kivity <avi@redhat.com> wrote: >>> On 09/05/2012 10:04 PM, Blue Swirl wrote: >>>> >>>> Reinventing a disassembler for ever growing x86 assembly is >>>> no fun. >>> >>> We can try linking to a disassembler library. I use udis86 to >>> disassemble instructions in kvm tracepoints >>> (http://udis86.git.sourceforge.net/git/gitweb.cgi?p=udis86/udis86;a=shortlog), >>> it's maintained but not heavily so. >> >> I think commonality with KVM would be preferred. The library looks >> neat and based on changelog, more actively developed than BSD DDB. >> >>> >>> Of course for non-x86 we'd need to continue using binutils; this is >>> about copying code vs. libraries, not about licensing. >> >> For most architectures, pre-GPLv3 binutils is good enough since the >> instruction set does not change anymore. Maybe only PPC and Sparc64 >> still change besides x86. New CPUs types more recent than 2007 will >> have problems. > > Alternatively we could try to run the disassembler in a different process, right? For qemu.log this would be doable and even improve performance since only binary data would be transferred. But for monitor disassembly command x/i it may be too clumsy. There's some overlap with GDB support, so maybe we could deprecate monitor disassembly. > > Alex > >> >>> >>> >>> -- >>> error compiling committee.c: too many arguments to function >>
WARNING: multiple messages have this Message-ID (diff)
From: Blue Swirl <blauwirbel@gmail.com> To: Alexander Graf <agraf@suse.de> Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Michael S. Tsirkin" <mst@redhat.com>, "Marcelo Tosatti" <mtosatti@redhat.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "Alex Williamson" <alex.williamson@redhat.com>, "Jan Kiszka" <jan.kiszka@web.de>, "Avi Kivity" <avi@redhat.com>, "Anthony Liguori" <anthony@codemonkey.ws>, qemu-ppc <qemu-ppc@nongnu.org>, "Andreas Färber" <afaerber@suse.de> Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH 4/4] kvm: i386: Add classic PCI device assignment Date: Sat, 8 Sep 2012 10:16:43 +0000 [thread overview] Message-ID: <CAAu8pHt4UT-RmybUNev+9ZOxaqot9hPkME44GZ5iGqOPiUXxMA@mail.gmail.com> (raw) In-Reply-To: <82563D1C-0B5E-432B-9CA1-68F72B122055@suse.de> On Sat, Sep 8, 2012 at 9:28 AM, Alexander Graf <agraf@suse.de> wrote: > > > On 08.09.2012, at 10:06, Blue Swirl <blauwirbel@gmail.com> wrote: > >> On Thu, Sep 6, 2012 at 8:44 AM, Avi Kivity <avi@redhat.com> wrote: >>> On 09/05/2012 10:04 PM, Blue Swirl wrote: >>>> >>>> Reinventing a disassembler for ever growing x86 assembly is >>>> no fun. >>> >>> We can try linking to a disassembler library. I use udis86 to >>> disassemble instructions in kvm tracepoints >>> (http://udis86.git.sourceforge.net/git/gitweb.cgi?p=udis86/udis86;a=shortlog), >>> it's maintained but not heavily so. >> >> I think commonality with KVM would be preferred. The library looks >> neat and based on changelog, more actively developed than BSD DDB. >> >>> >>> Of course for non-x86 we'd need to continue using binutils; this is >>> about copying code vs. libraries, not about licensing. >> >> For most architectures, pre-GPLv3 binutils is good enough since the >> instruction set does not change anymore. Maybe only PPC and Sparc64 >> still change besides x86. New CPUs types more recent than 2007 will >> have problems. > > Alternatively we could try to run the disassembler in a different process, right? For qemu.log this would be doable and even improve performance since only binary data would be transferred. But for monitor disassembly command x/i it may be too clumsy. There's some overlap with GDB support, so maybe we could deprecate monitor disassembly. > > Alex > >> >>> >>> >>> -- >>> error compiling committee.c: too many arguments to function >>
next prev parent reply other threads:[~2012-09-08 10:17 UTC|newest] Thread overview: 146+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-08-27 6:28 [PATCH 0/4] uq/master: Add classic PCI device assignment Jan Kiszka 2012-08-27 6:28 ` [Qemu-devel] " Jan Kiszka 2012-08-27 6:28 ` [PATCH 1/4] kvm: Introduce kvm_irqchip_update_msi_route Jan Kiszka 2012-08-27 6:28 ` [Qemu-devel] " Jan Kiszka 2012-08-27 6:28 ` [PATCH 2/4] kvm: Introduce kvm_has_intx_set_mask Jan Kiszka 2012-08-27 6:28 ` [Qemu-devel] " Jan Kiszka 2012-08-27 6:28 ` [PATCH 3/4] kvm: i386: Add services required for PCI device assignment Jan Kiszka 2012-08-27 6:28 ` [Qemu-devel] " Jan Kiszka 2012-08-27 6:28 ` [PATCH 4/4] kvm: i386: Add classic " Jan Kiszka 2012-08-27 6:28 ` [Qemu-devel] " Jan Kiszka 2012-08-27 12:07 ` Andreas Färber 2012-08-27 12:07 ` Andreas Färber 2012-08-27 12:15 ` Jan Kiszka 2012-08-27 12:15 ` [Qemu-devel] " Jan Kiszka 2012-08-28 21:26 ` Peter Maydell 2012-08-28 21:26 ` [Qemu-devel] " Peter Maydell 2012-08-29 8:47 ` Jan Kiszka 2012-08-29 8:47 ` [Qemu-devel] " Jan Kiszka 2012-08-29 8:49 ` Peter Maydell 2012-08-29 8:49 ` Peter Maydell 2012-08-29 8:50 ` Jan Kiszka 2012-08-29 8:50 ` Jan Kiszka 2012-09-03 15:59 ` Avi Kivity 2012-09-03 15:59 ` Avi Kivity 2012-09-04 3:31 ` Alex Williamson 2012-09-04 3:31 ` [Qemu-devel] " Alex Williamson 2012-08-28 12:57 ` Anthony Liguori 2012-08-28 12:57 ` Anthony Liguori 2012-08-29 14:08 ` Andreas Färber 2012-08-29 14:08 ` Andreas Färber 2012-08-29 18:32 ` Anthony Liguori 2012-08-29 18:32 ` [Qemu-devel] " Anthony Liguori 2012-09-04 21:00 ` Anthony Liguori 2012-09-04 21:00 ` [Qemu-devel] " Anthony Liguori 2012-09-05 15:26 ` Avi Kivity 2012-09-05 15:26 ` [Qemu-devel] " Avi Kivity 2012-09-05 15:29 ` Michael S. Tsirkin 2012-09-05 15:29 ` Michael S. Tsirkin 2012-09-05 15:41 ` Anthony Liguori 2012-09-05 15:41 ` Anthony Liguori 2012-09-05 15:52 ` Avi Kivity 2012-09-05 15:52 ` Avi Kivity 2012-09-05 19:04 ` Blue Swirl 2012-09-05 19:04 ` Blue Swirl 2012-09-05 19:22 ` Anthony Liguori 2012-09-05 19:22 ` Anthony Liguori 2012-09-05 19:38 ` Blue Swirl 2012-09-05 19:38 ` Blue Swirl 2012-09-05 20:46 ` Anthony Liguori 2012-09-05 20:46 ` [Qemu-devel] " Anthony Liguori 2012-09-10 15:33 ` Andreas Färber 2012-09-10 15:33 ` Andreas Färber 2012-09-06 3:42 ` [Qemu-ppc] " Alexander Graf 2012-09-06 3:42 ` [Qemu-devel] [Qemu-ppc] " Alexander Graf 2012-09-08 7:54 ` [Qemu-ppc] [Qemu-devel] " Blue Swirl 2012-09-08 7:54 ` [Qemu-devel] [Qemu-ppc] " Blue Swirl 2012-09-05 19:24 ` Eric Blake 2012-09-05 19:24 ` [Qemu-devel] " Eric Blake 2012-09-05 19:43 ` Blue Swirl 2012-09-05 19:43 ` Blue Swirl 2012-09-06 8:44 ` Avi Kivity 2012-09-06 8:44 ` Avi Kivity 2012-09-08 8:06 ` Blue Swirl 2012-09-08 8:06 ` [Qemu-devel] " Blue Swirl 2012-09-08 9:28 ` [Qemu-ppc] " Alexander Graf 2012-09-08 9:28 ` [Qemu-devel] " Alexander Graf 2012-09-08 10:16 ` Blue Swirl [this message] 2012-09-08 10:16 ` Blue Swirl 2012-09-08 12:13 ` Alexander Graf 2012-09-08 12:13 ` [Qemu-devel] " Alexander Graf 2012-09-08 12:30 ` Blue Swirl 2012-09-08 12:30 ` [Qemu-devel] " Blue Swirl 2012-09-08 14:59 ` Alexander Graf 2012-09-08 14:59 ` [Qemu-devel] " Alexander Graf 2012-08-27 18:56 ` Blue Swirl 2012-08-27 18:56 ` [Qemu-devel] " Blue Swirl 2012-08-27 19:01 ` Michael S. Tsirkin 2012-08-27 19:01 ` Michael S. Tsirkin 2012-08-27 19:06 ` Blue Swirl 2012-08-27 19:06 ` [Qemu-devel] " Blue Swirl 2012-08-28 0:30 ` Jan Kiszka 2012-08-28 0:30 ` Jan Kiszka 2012-09-03 16:06 ` Avi Kivity 2012-09-03 16:06 ` Avi Kivity 2012-08-28 7:35 ` Michael Tokarev 2012-08-28 7:35 ` Michael Tokarev 2012-08-28 17:01 ` Blue Swirl 2012-08-28 17:01 ` Blue Swirl 2012-08-28 17:28 ` Michael S. Tsirkin 2012-08-28 17:28 ` Michael S. Tsirkin 2012-08-28 17:38 ` Blue Swirl 2012-08-28 17:38 ` Blue Swirl 2012-08-28 19:31 ` Anthony Liguori 2012-08-28 19:31 ` [Qemu-devel] " Anthony Liguori 2012-08-28 19:49 ` malc 2012-08-28 19:49 ` [Qemu-devel] " malc 2012-08-28 20:06 ` Blue Swirl 2012-08-28 20:06 ` Blue Swirl 2012-08-28 21:51 ` Anthony Liguori 2012-08-28 21:51 ` Anthony Liguori 2012-09-01 9:20 ` Blue Swirl 2012-09-01 9:20 ` [Qemu-devel] " Blue Swirl 2012-08-29 8:27 ` Markus Armbruster 2012-08-29 8:27 ` [Qemu-devel] " Markus Armbruster 2012-09-03 16:14 ` Avi Kivity 2012-09-03 16:14 ` [Qemu-devel] " Avi Kivity 2012-09-03 19:32 ` Blue Swirl 2012-09-03 19:32 ` [Qemu-devel] " Blue Swirl 2012-09-04 8:32 ` Avi Kivity 2012-09-04 8:32 ` Avi Kivity 2012-09-04 19:27 ` Blue Swirl 2012-09-04 19:27 ` Blue Swirl 2012-09-04 21:28 ` Michael S. Tsirkin 2012-09-04 21:28 ` [Qemu-devel] " Michael S. Tsirkin 2012-09-05 19:09 ` Blue Swirl 2012-09-05 19:09 ` Blue Swirl 2012-08-28 11:02 ` [PATCH v2 " Jan Kiszka 2012-08-28 11:02 ` [Qemu-devel] " Jan Kiszka 2012-08-28 21:49 ` Michael S. Tsirkin 2012-08-28 21:49 ` [Qemu-devel] " Michael S. Tsirkin 2012-08-29 8:44 ` Jan Kiszka 2012-08-29 8:44 ` [Qemu-devel] " Jan Kiszka 2012-08-29 10:35 ` Michael S. Tsirkin 2012-08-29 10:35 ` [Qemu-devel] " Michael S. Tsirkin 2012-08-30 18:30 ` [PATCH v3 " Jan Kiszka 2012-08-30 18:30 ` [Qemu-devel] " Jan Kiszka 2012-09-06 8:44 ` Jan Kiszka 2012-09-06 8:44 ` [Qemu-devel] " Jan Kiszka 2012-09-06 8:49 ` Michael S. Tsirkin 2012-09-06 8:49 ` [Qemu-devel] " Michael S. Tsirkin 2012-09-06 16:06 ` Andreas Färber 2012-09-06 16:06 ` [Qemu-devel] " Andreas Färber 2012-09-06 16:16 ` Jan Kiszka 2012-09-06 16:16 ` [Qemu-devel] " Jan Kiszka 2012-09-08 7:55 ` Blue Swirl 2012-09-08 7:55 ` [Qemu-devel] " Blue Swirl 2012-09-09 14:13 ` Avi Kivity 2012-09-09 14:13 ` [Qemu-devel] " Avi Kivity 2012-09-10 9:26 ` Jan Kiszka 2012-09-10 9:26 ` [Qemu-devel] " Jan Kiszka 2012-09-10 12:30 ` Avi Kivity 2012-09-10 12:30 ` [Qemu-devel] " Avi Kivity 2012-08-28 15:04 ` [PATCH " Michael S. Tsirkin 2012-08-28 15:04 ` [Qemu-devel] " Michael S. Tsirkin 2012-08-29 10:50 ` Jan Kiszka 2012-08-29 10:50 ` [Qemu-devel] " Jan Kiszka
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