From: Kimberly Brown Sent: Thursday, March 14, 2019 1:05
PM
>
> Fix a race condition that can result in a ring buffer pointer being set
> to null while a "_show" function is reading the ring buffer's data. This
> problem was discussed here: https://lkml.org/lkml/2018/10/18/779
>
> To fix the ra
On Thu, 28 Mar 2019 00:30:57 -0400
Kimberly Brown wrote:
> On Thu, Mar 21, 2019 at 04:04:20PM +, Michael Kelley wrote:
> > From: Kimberly Brown Sent: Wednesday, March 20,
> > 2019 8:48 PM
> > > > > > Adding more locks will solve the problem but it seems like overkill.
> > > > > > Why not
On Thu, Mar 21, 2019 at 04:04:20PM +, Michael Kelley wrote:
> From: Kimberly Brown Sent: Wednesday, March 20, 2019
> 8:48 PM
> > > > > Adding more locks will solve the problem but it seems like overkill.
> > > > > Why not either use a reference count or an RCU style access for the
> > > > >
From: Kimberly Brown Sent: Wednesday, March 20, 2019
8:48 PM
> > > > Adding more locks will solve the problem but it seems like overkill.
> > > > Why not either use a reference count or an RCU style access for the
> > > > ring buffer?
> > >
> > > I agree that a reference count or RCU could also
On Wed, Mar 20, 2019 at 01:06:19PM -0700, Stephen Hemminger wrote:
> On Sat, 16 Mar 2019 21:49:28 -0400
> Kimberly Brown wrote:
>
> > On Thu, Mar 14, 2019 at 03:45:33PM -0700, Stephen Hemminger wrote:
> > > On Thu, 14 Mar 2019 13:05:15 -0700
> > > "Kimberly Brown" wrote:
> > >
> > > > Fix a r
On Sat, 16 Mar 2019 21:49:28 -0400
Kimberly Brown wrote:
> On Thu, Mar 14, 2019 at 03:45:33PM -0700, Stephen Hemminger wrote:
> > On Thu, 14 Mar 2019 13:05:15 -0700
> > "Kimberly Brown" wrote:
> >
> > > Fix a race condition that can result in a ring buffer pointer being set
> > > to null whil
On Thu, Mar 14, 2019 at 03:45:33PM -0700, Stephen Hemminger wrote:
> On Thu, 14 Mar 2019 13:05:15 -0700
> "Kimberly Brown" wrote:
>
> > Fix a race condition that can result in a ring buffer pointer being set
> > to null while a "_show" function is reading the ring buffer's data. This
> > problem
On Thu, 14 Mar 2019 13:05:15 -0700
"Kimberly Brown" wrote:
> Fix a race condition that can result in a ring buffer pointer being set
> to null while a "_show" function is reading the ring buffer's data. This
> problem was discussed here:
> https://nam06.safelinks.protection.outlook.com/?url=https
Fix a race condition that can result in a ring buffer pointer being set
to null while a "_show" function is reading the ring buffer's data. This
problem was discussed here: https://lkml.org/lkml/2018/10/18/779
To fix the race condition, add a new mutex lock to the
"hv_ring_buffer_info" struct. Add
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