On Fri, 28 Feb 2025 at 09:07, John Hubbard wrote:
>
> On Thu Feb 27, 2025 at 1:42 PM PST, Dave Airlie wrote:
> > On Thu, 27 Feb 2025 at 11:34, John Hubbard wrote:
> >> On Wed Feb 26, 2025 at 5:02 PM PST, Greg KH wrote:
> >> > On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> ...
On Fri, 28 Feb 2025 at 11:49, Timur Tabi wrote:
>
> On Fri, 2025-02-28 at 07:37 +1000, Dave Airlie wrote:
> > I've tried to retrofit checking 0x to drivers a lot, I'd
> > prefer not to. Drivers getting stuck in wait for clear bits for ever.
>
> That's what read_poll_timeout() is for. I'm
On 2/12/25 10:01 AM, Gustavo A. R. Silva wrote:
-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
So, in order to avoid ending up with flexible-array members in the
middle of other structs, we use the `struct_group_tagged()` helper
to separ
On Thu, Feb 27, 2025 at 08:55:09AM -0800, Boqun Feng wrote:
> On Thu, Feb 27, 2025 at 12:17:33PM -0400, Jason Gunthorpe wrote:
>
> > I still wonder why you couldn't also have these reliable reference
> > counts rooted on the device driver instead of only on the module.
> >
>
> You could put reli
On Fri, 2025-02-28 at 07:37 +1000, Dave Airlie wrote:
> I've tried to retrofit checking 0x to drivers a lot, I'd
> prefer not to. Drivers getting stuck in wait for clear bits for ever.
That's what read_poll_timeout() is for. I'm surprised Nouveau doesn't use it.
> Applied to drm-misc-next, thanks!
Awesome. :)
Thank you, guys.
--
Gustavo
On Wed, 26 Feb 2025 at 00:11, Alexandre Courbot wrote:
>
> On Mon Feb 24, 2025 at 9:07 PM JST, Danilo Krummrich wrote:
> > CC: Gary
> >
> > On Mon, Feb 24, 2025 at 10:40:00AM +0900, Alexandre Courbot wrote:
> >> This inability to sleep while we are accessing registers seems very
> >> constraining
On Thu, 27 Feb 2025 at 11:34, John Hubbard wrote:
>
> On Wed Feb 26, 2025 at 5:02 PM PST, Greg KH wrote:
> > On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> >> The way misc device works you can't unload the module until all the
> >> FDs are closed and the misc code directly hand
On Thu Feb 27, 2025 at 1:42 PM PST, Dave Airlie wrote:
> On Thu, 27 Feb 2025 at 11:34, John Hubbard wrote:
>> On Wed Feb 26, 2025 at 5:02 PM PST, Greg KH wrote:
>> > On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
...
> nova is just a drm driver, it's not a rewrite of the drm subs
On 26/02/2025 17.42, Zhi Wang wrote:
> On 26/02/2025 11.32, Lyude Paul wrote:
>> For the whole series:
>>
>> Reviewed-by: Lyude Paul
>>
>
> Hi Lyude:
>
> Thanks so much for the RB. Ben found a hidden use-after-free after
> enabling the KFENCE in v3.I re-spined it with a minor fixes. Please
> r
On Thu, Feb 27, 2025 at 06:00:13PM -0400, Jason Gunthorpe wrote:
> On Thu, Feb 27, 2025 at 01:25:10PM -0800, Boqun Feng wrote:
> >
> > Most of the cases, it should be naturally achieved, because you already
> > bind the objects into your module or driver, otherwise they would be
> > already cancel
On Thu, Feb 27, 2025 at 01:25:10PM -0800, Boqun Feng wrote:
> > The design pattern says that 'share it with the rest of the world' is
> > a bug. A driver following the pattern cannot do that, it must contain
> > the driver objects within the driver scope and free them. In C we
>
> I cannot speak f
On Thu, Feb 27, 2025 at 06:32:15PM +0100, Danilo Krummrich wrote:
> On Thu, Feb 27, 2025 at 08:55:09AM -0800, Boqun Feng wrote:
> > On Thu, Feb 27, 2025 at 12:17:33PM -0400, Jason Gunthorpe wrote:
> >
> > > I still wonder why you couldn't also have these reliable reference
> > > counts rooted on t
On Thu, Feb 27, 2025 at 12:32:45PM +0100, Danilo Krummrich wrote:
> On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> > On Wed, Feb 26, 2025 at 10:31:10PM +0100, Danilo Krummrich wrote:
> > > Let's take a step back and look again why we have Devres (and Revocable)
> > > for
> > >
On Wed, Feb 26, 2025 at 05:02:23PM -0800, Greg KH wrote:
> On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> > The way misc device works you can't unload the module until all the
> > FDs are closed and the misc code directly handles races with opening
> > new FDs while modules are
On Wed, Feb 26, 2025 at 04:41:08PM -0800, Boqun Feng wrote:
> And if you don't store the HrTimerHandle anywhere, like you drop() it
> right after start a hrtimer, it will immediately stop the timer. Does
> this make sense?
Oh, I understand that, but it is not sufficient in the kernel.
You are mak
On Thu, Feb 27, 2025 at 07:18:02AM -0800, Boqun Feng wrote:
> On Thu, Feb 27, 2025 at 10:46:18AM -0400, Jason Gunthorpe wrote:
> > On Wed, Feb 26, 2025 at 04:41:08PM -0800, Boqun Feng wrote:
> > > And if you don't store the HrTimerHandle anywhere, like you drop() it
> > > right after start a hrtime
On Thu, Feb 27, 2025 at 11:07:09AM -0400, Jason Gunthorpe wrote:
> On Thu, Feb 27, 2025 at 12:32:45PM +0100, Danilo Krummrich wrote:
> > On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> > > On Wed, Feb 26, 2025 at 10:31:10PM +0100, Danilo Krummrich wrote:
> > > > Let's take a step
On Wed, Feb 26, 2025 at 07:47:30PM -0400, Jason Gunthorpe wrote:
> On Wed, Feb 26, 2025 at 10:31:10PM +0100, Danilo Krummrich wrote:
> > Let's take a step back and look again why we have Devres (and Revocable) for
> > e.g. pci::Bar.
> >
> > The device / driver model requires that device resources
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