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From: Pan Xinhui > Sent: 20 October 2016 22:28 > Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 > preempted" into struct kvm_steal_time. This field tells if one vcpu is > running or not. > > It is zero if 1) some old KVM deos not support this filed. 2) the vcpu is > preempted. Other values means the vcpu has been preempted. >

From: Pan Xinhui > Sent: 20 October 2016 22:28 > Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 > preempted" into struct kvm_steal_time. This field tells if one vcpu is > running or not. > > It is zero if 1) some old KVM deos not support this filed. 2) the vcpu is > preempted. Other values means the vcpu has been preempted. >

"Michael S. Tsirkin" <mst at redhat.com> wrote on 20/08/2014 01:57:10 PM: > > Results: > > > > Netperf, 1 vm: > > The polling patch improved throughput by ~33% (1516 MB/sec -> 2046 MB/sec). > > Number of exits/sec decreased 6x. > > The same improvement was shown when I tested with 3 vms running netperf > > (4086 MB/sec -> 5545

"Michael S. Tsirkin" <mst at redhat.com> wrote on 20/08/2014 01:57:10 PM: > > Results: > > > > Netperf, 1 vm: > > The polling patch improved throughput by ~33% (1516 MB/sec -> 2046 MB/sec). > > Number of exits/sec decreased 6x. > > The same improvement was shown when I tested with 3 vms running netperf > > (4086 MB/sec -> 5545

...s part of the directive to remove all VLAs from the kernel: https://lkml.org/lkml/2018/3/7/621 Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> --- Changes in v2: - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change is based on the feedback provided by David Laight. Thanks David. drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c index 6f10b09...

...ernel: https://lkml.org/lkml/2018/3/7/621 >> >> Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> >> --- >> Changes in v2: >> - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change >> is based on the feedback provided by David Laight. Thanks David. >> >> drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- >> 1 file changed, 3 insertions(+), 4 deletions(-) > > Reviewed-by: Thierry Reding <treding at nvidia.com> Thanks everyone. I've taken the patch in my tree. Ben. &...

From: Michael S. Tsirkin > On Wed, Oct 15, 2014 at 09:49:01AM +0000, David Laight wrote: > > From: Of Michael S. Tsirkin > > > On Wed, Oct 15, 2014 at 03:25:27PM +0800, Jason Wang wrote: > > > > Accumulate the sent packets and sent bytes in local variables and perform a > > > > single u64_stats_update_begin/end() after. > > > >...

From: Michael S. Tsirkin > On Wed, Oct 15, 2014 at 09:49:01AM +0000, David Laight wrote: > > From: Of Michael S. Tsirkin > > > On Wed, Oct 15, 2014 at 03:25:27PM +0800, Jason Wang wrote: > > > > Accumulate the sent packets and sent bytes in local variables and perform a > > > > single u64_stats_update_begin/end() after. > > > >...

...t;>> >>>> Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> >>>> --- >>>> Changes in v2: >>>> - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change >>>> is based on the feedback provided by David Laight. Thanks David. >>>> >>>> drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- >>>> 1 file changed, 3 insertions(+), 4 deletions(-) >>> >>> Reviewed-by: Thierry Reding <treding at nvidia.com> >> Thanks everyon...

On 21/10/2016 20:39, rkrcmar at redhat.com wrote: > 2016-10-21 11:27+0000, David Laight: >> From: Pan Xinhui >>> Sent: 20 October 2016 22:28 >>> Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 >>> preempted" into struct kvm_steal_time. This field tells if one vcpu is >>> running or not. >>> &g...

On 21/10/2016 20:39, rkrcmar at redhat.com wrote: > 2016-10-21 11:27+0000, David Laight: >> From: Pan Xinhui >>> Sent: 20 October 2016 22:28 >>> Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 >>> preempted" into struct kvm_steal_time. This field tells if one vcpu is >>> running or not. >>> &g...

From: Of Michael S. Tsirkin > On Wed, Oct 15, 2014 at 03:25:27PM +0800, Jason Wang wrote: > > Accumulate the sent packets and sent bytes in local variables and perform a > > single u64_stats_update_begin/end() after. > > > > Cc: Rusty Russell <rusty at rustcorp.com.au> > > Cc: Michael S. Tsirkin <mst at redhat.com> > > Signed-off-by: Jason Wang

From: Of Michael S. Tsirkin > On Wed, Oct 15, 2014 at 03:25:27PM +0800, Jason Wang wrote: > > Accumulate the sent packets and sent bytes in local variables and perform a > > single u64_stats_update_begin/end() after. > > > > Cc: Rusty Russell <rusty at rustcorp.com.au> > > Cc: Michael S. Tsirkin <mst at redhat.com> > > Signed-off-by: Jason Wang

...ll VLAs from > the kernel: https://lkml.org/lkml/2018/3/7/621 > > Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> > --- > Changes in v2: > - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change > is based on the feedback provided by David Laight. Thanks David. > > drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) Reviewed-by: Thierry Reding <treding at nvidia.com> -------------- next part -------------- A non-text attachment was scrubbed... Name:...

Hi David, On 03/13/2018 11:10 AM, David Laight wrote: > From: Gustavo A. R. Silva >> Sent: 13 March 2018 14:48 >> In preparation to enabling -Wvla, remove VLA. In this particular >> case directly use macro NVKM_MSGQUEUE_CMDLINE_SIZE instead of local >> variable cmdline_size. Also, remove cmdline_size as it is not >...

...lkml/2018/3/7/621 >>> >>> Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> >>> --- >>> Changes in v2: >>> - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change >>> is based on the feedback provided by David Laight. Thanks David. >>> >>> drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- >>> 1 file changed, 3 insertions(+), 4 deletions(-) >> >> Reviewed-by: Thierry Reding <treding at nvidia.com> > Thanks everyone. I've taken the p...

...gt;>> Signed-off-by: Gustavo A. R. Silva <gustavo at embeddedor.com> >>>>> --- >>>>> Changes in v2: >>>>> - Use sizeof(buf) instead of NVKM_MSGQUEUE_CMDLINE_SIZE. This change >>>>> is based on the feedback provided by David Laight. Thanks David. >>>>> >>>>> drivers/gpu/drm/nouveau/nvkm/subdev/secboot/ls_ucode_msgqueue.c | 7 +++---- >>>>> 1 file changed, 3 insertions(+), 4 deletions(-) >>>> >>>> Reviewed-by: Thierry Reding <treding at nvidia.com> &gt...

2016-10-21 11:27+0000, David Laight: > From: Pan Xinhui >> Sent: 20 October 2016 22:28 >> Commit ("x86, kvm: support vcpu preempted check") add one field "__u8 >> preempted" into struct kvm_steal_time. This field tells if one vcpu is >> running or not. >> >> It is zero if 1)...

From: Tiwei Bie > Sent: 23 February 2018 11:18 ... > +struct vring_packed_desc_event { > + /* Descriptor Event Offset */ > + __virtio16 desc_event_off : 15, > + /* Descriptor Event Wrap Counter */ > + desc_event_wrap : 1; > + /* Descriptor Event Flags */ > + __virtio16 desc_event_flags : 2; > +}; This looks like you are assuming that a bit-field has a defined

On Wed, Oct 15, 2014 at 09:49:01AM +0000, David Laight wrote: > From: Of Michael S. Tsirkin > > On Wed, Oct 15, 2014 at 03:25:27PM +0800, Jason Wang wrote: > > > Accumulate the sent packets and sent bytes in local variables and perform a > > > single u64_stats_update_begin/end() after. > > > > > > Cc: Rusty...