Re: [PATCH 5.10 082/133] drm/v3d: Ensure job pointer is set to NULL after job completion

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On Thu, Jan 30, 2025 at 01:45:22PM -0300, Maíra Canal wrote:
> Hi Greg,
> 
> On 30/01/25 13:26, Greg Kroah-Hartman wrote:
> > On Thu, Jan 30, 2025 at 12:56:25PM -0300, Maíra Canal wrote:
> > > Hi Greg,
> > > 
> > > This patch introduced a race-condition that was fixed in
> > > 6e64d6b3a3c39655de56682ec83e894978d23412 ("drm/v3d: Assign job pointer
> > > to NULL before signaling the fence") - already in torvalds/master. Is it
> > > possible to push the two patches together? This way we wouldn't break
> > > any devices.
> > 
> > As all 5.15 and newer devices are broken right now, that's not good :(
> 
> I agree, it's terrible. I'm currently waiting for stable to pick up the
> fix (as it is quite quick, thanks for the great work). For a even
> quicker solution, should I send the fix for the newer stable branches or
> you can queue 6e64d6b3a3c39655de56682ec83e894978d23412 directly?
> 
> I added the "Fixes:" tag to the fix and CCed stable.

You did it all right here, it's just that we can't normally take patches
until they show up in a -rc release unless specifically asked to (or
it's a trivial one).  You hit the window where the longest delay is, not
your fault.

thanks,

greg k-h




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