From: Blue Swirl <blauwirbel@gmail.com> To: Michael Tokarev <mjt@tls.msk.ru> Cc: Jan Kiszka <jan.kiszka@web.de>, Avi Kivity <avi@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, Alex Williamson <alex.williamson@redhat.com>, qemu-devel@nongnu.org, kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com> Subject: Re: [Qemu-devel] [PATCH 4/4] kvm: i386: Add classic PCI device assignment Date: Tue, 28 Aug 2012 17:01:55 +0000 [thread overview] Message-ID: <CAAu8pHsoamxPWFNX81bceokYFOjTdDdf6oKUR+Zk6JiTuXEokQ@mail.gmail.com> (raw) In-Reply-To: <503C74DD.3020307@msgid.tls.msk.ru> On Tue, Aug 28, 2012 at 7:35 AM, Michael Tokarev <mjt@tls.msk.ru> wrote: > On 27.08.2012 22:56, Blue Swirl wrote: > [] >>> +static uint32_t slow_bar_readb(void *opaque, target_phys_addr_t addr) >>> +{ >>> + AssignedDevRegion *d = opaque; >>> + uint8_t *in = d->u.r_virtbase + addr; >> >> Don't perform arithmetic with void pointers. > > There are a few places in common qemu code which does this for a very > long time. So I guess it is safe now. It's a non-standard GCC extension. > > /mjt
WARNING: multiple messages have this Message-ID (diff)
From: Blue Swirl <blauwirbel@gmail.com> To: Michael Tokarev <mjt@tls.msk.ru> Cc: kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, qemu-devel@nongnu.org, Alex Williamson <alex.williamson@redhat.com>, Jan Kiszka <jan.kiszka@web.de>, Avi Kivity <avi@redhat.com> Subject: Re: [Qemu-devel] [PATCH 4/4] kvm: i386: Add classic PCI device assignment Date: Tue, 28 Aug 2012 17:01:55 +0000 [thread overview] Message-ID: <CAAu8pHsoamxPWFNX81bceokYFOjTdDdf6oKUR+Zk6JiTuXEokQ@mail.gmail.com> (raw) In-Reply-To: <503C74DD.3020307@msgid.tls.msk.ru> On Tue, Aug 28, 2012 at 7:35 AM, Michael Tokarev <mjt@tls.msk.ru> wrote: > On 27.08.2012 22:56, Blue Swirl wrote: > [] >>> +static uint32_t slow_bar_readb(void *opaque, target_phys_addr_t addr) >>> +{ >>> + AssignedDevRegion *d = opaque; >>> + uint8_t *in = d->u.r_virtbase + addr; >> >> Don't perform arithmetic with void pointers. > > There are a few places in common qemu code which does this for a very > long time. So I guess it is safe now. It's a non-standard GCC extension. > > /mjt
next prev parent reply other threads:[~2012-08-28 17:02 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 ` [Qemu-ppc] [Qemu-devel] " Blue Swirl 2012-09-08 10:16 ` [Qemu-devel] [Qemu-ppc] " 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 [this message] 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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