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On 29/01/16 02:31, Andy Lutomirski wrote: > Signed-off-by: Andy Lutomirski <luto at kernel.org> > --- > drivers/virtio/virtio_ring.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index c169c6444637..305c05cc249a 100644...

On 29/01/16 02:31, Andy Lutomirski wrote: > Signed-off-by: Andy Lutomirski <luto at kernel.org> > --- > drivers/virtio/virtio_ring.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index c169c6444637..305c05cc249a 100644...

On Fri, Sep 19, 2014 at 11:30 AM, Christopher Covington <cov at codeaurora.org> wrote: > On 09/17/2014 10:50 PM, Andy Lutomirski wrote: >> Hi all- >> >> I would like to standardize on a very simple protocol by which a guest >> OS can obtain an RNG seed early in boot. >> >> The main design requirements are: >> >> - The interface should be very easy to use. Linux, at least, wil...

On Fri, Sep 19, 2014 at 11:30 AM, Christopher Covington <cov at codeaurora.org> wrote: > On 09/17/2014 10:50 PM, Andy Lutomirski wrote: >> Hi all- >> >> I would like to standardize on a very simple protocol by which a guest >> OS can obtain an RNG seed early in boot. >> >> The main design requirements are: >> >> - The interface should be very easy to use. Linux, at least, wil...

On Tue, Apr 19, 2016 at 09:02:14AM -0700, Andy Lutomirski wrote: > On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin <mst at redhat.com> wrote: > > On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote: > >> On Mon, Apr 18, 2016 at 11:29 AM, David Woodhouse <dwmw2 at infradead.org> wrote: > >> > For x8...

On Tue, Apr 19, 2016 at 09:02:14AM -0700, Andy Lutomirski wrote: > On Tue, Apr 19, 2016 at 3:27 AM, Michael S. Tsirkin <mst at redhat.com> wrote: > > On Mon, Apr 18, 2016 at 12:24:15PM -0700, Andy Lutomirski wrote: > >> On Mon, Apr 18, 2016 at 11:29 AM, David Woodhouse <dwmw2 at infradead.org> wrote: > >> > For x8...

On Sun, Jan 31, 2016 at 12:09 PM, Michael S. Tsirkin <mst at redhat.com> wrote: > On Fri, Jan 29, 2016 at 10:34:59AM +0000, David Vrabel wrote: >> On 29/01/16 02:31, Andy Lutomirski wrote: >> > Signed-off-by: Andy Lutomirski <luto at kernel.org> >> > --- >> > drivers/virtio/virtio_ring.c | 12 ++++++++++++ >> > 1 file changed, 12 insertions(+) >> > >> > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virti...

On Sun, Jan 31, 2016 at 12:09 PM, Michael S. Tsirkin <mst at redhat.com> wrote: > On Fri, Jan 29, 2016 at 10:34:59AM +0000, David Vrabel wrote: >> On 29/01/16 02:31, Andy Lutomirski wrote: >> > Signed-off-by: Andy Lutomirski <luto at kernel.org> >> > --- >> > drivers/virtio/virtio_ring.c | 12 ++++++++++++ >> > 1 file changed, 12 insertions(+) >> > >> > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virti...

On Mon, Sep 1, 2014 at 10:39 AM, Andy Lutomirski <luto at amacapital.net> wrote: > This fixes virtio on Xen guests as well as on any other platform > that uses virtio_pci on which physical addresses don't match bus > addresses. > > This can be tested with: > > virtme-run --xen xen --kimg arch/x86/boot/bzImage --...

On Mon, Sep 1, 2014 at 10:39 AM, Andy Lutomirski <luto at amacapital.net> wrote: > This fixes virtio on Xen guests as well as on any other platform > that uses virtio_pci on which physical addresses don't match bus > addresses. > > This can be tested with: > > virtme-run --xen xen --kimg arch/x86/boot/bzImage --...

On Sat, Oct 06, 2018 at 03:28:05PM -0700, Andy Lutomirski wrote: > On Sat, Oct 6, 2018 at 1:29 PM Marcelo Tosatti <mtosatti at redhat.com> wrote: > > > > On Thu, Oct 04, 2018 at 03:15:32PM -0700, Andy Lutomirski wrote: > > > For better or for worse, I'm trying to understand this code. So far, > > > I've come...

On Sat, Oct 06, 2018 at 03:28:05PM -0700, Andy Lutomirski wrote: > On Sat, Oct 6, 2018 at 1:29 PM Marcelo Tosatti <mtosatti at redhat.com> wrote: > > > > On Thu, Oct 04, 2018 at 03:15:32PM -0700, Andy Lutomirski wrote: > > > For better or for worse, I'm trying to understand this code. So far, > > > I've come...

On 03/02/16 05:46, Andy Lutomirski wrote: > Signed-off-by: Andy Lutomirski <luto at kernel.org> You forgot the previous Reviewed-by tags. David

On 03/02/16 05:46, Andy Lutomirski wrote: > Signed-off-by: Andy Lutomirski <luto at kernel.org> You forgot the previous Reviewed-by tags. David

...be passed a pointer to the stack and it will OOPS. Copy the address to the heap to prevent the crash. Cc: Michael S. Tsirkin <mst at redhat.com> Cc: Jason Wang <jasowang at redhat.com> Cc: Laura Abbott <labbott at redhat.com> Reported-by: zbyszek at in.waw.pl Signed-off-by: Andy Lutomirski <luto at kernel.org> --- Very lightly tested. drivers/net/virtio_net.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 7276d5a95bd0..cbf1c613c67a 100644 --- a/drivers/net/virtio_net.c +++ b/d...

...be passed a pointer to the stack and it will OOPS. Copy the address to the heap to prevent the crash. Cc: Michael S. Tsirkin <mst at redhat.com> Cc: Jason Wang <jasowang at redhat.com> Cc: Laura Abbott <labbott at redhat.com> Reported-by: zbyszek at in.waw.pl Signed-off-by: Andy Lutomirski <luto at kernel.org> --- Very lightly tested. drivers/net/virtio_net.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 7276d5a95bd0..cbf1c613c67a 100644 --- a/drivers/net/virtio_net.c +++ b/d...

On Sat, Apr 25, 2020 at 1:23 PM Joerg Roedel <joro at 8bytes.org> wrote: > > On Sat, Apr 25, 2020 at 12:47:31PM -0700, Andy Lutomirski wrote: > > I assume the race you mean is: > > > > #VC > > Immediate NMI before IST gets shifted > > #VC > > > > Kaboom. > > > > How are you dealing with this? Ultimately, I think that NMI will need > > to turn off IST before engaging in a...

On Tue, Mar 17, 2015 at 2:57 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote: > On Tue, Mar 17, 2015 at 5:52 PM, Andy Lutomirski <luto at amacapital.net> wrote: >> On Fri, Feb 13, 2015 at 9:52 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote: >>> On Fri, Feb 13, 2015 at 8:59 PM, Andy Lutomirski <luto at amacapital.net> wrote: >>>> My new GTX 960 (GM206, I think) says: >>>&...

On Fri, Sep 19, 2014 at 1:21 PM, Nadav Amit <nadav.amit at gmail.com> wrote: > > On Sep 19, 2014, at 9:42 PM, Andy Lutomirski <luto at amacapital.net> wrote: > >> On Fri, Sep 19, 2014 at 11:30 AM, Christopher Covington >> <cov at codeaurora.org> wrote: >>> On 09/17/2014 10:50 PM, Andy Lutomirski wrote: >>>> Hi all- >>>> >>>> I would like to standardiz...

On Fri, Sep 19, 2014 at 1:21 PM, Nadav Amit <nadav.amit at gmail.com> wrote: > > On Sep 19, 2014, at 9:42 PM, Andy Lutomirski <luto at amacapital.net> wrote: > >> On Fri, Sep 19, 2014 at 11:30 AM, Christopher Covington >> <cov at codeaurora.org> wrote: >>> On 09/17/2014 10:50 PM, Andy Lutomirski wrote: >>>> Hi all- >>>> >>>> I would like to standardiz...