Re: [PATCH 6.15 000/515] 6.15.11-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Tue, Aug 26, 2025 at 02:06:04PM +0200, Bartosz Golaszewski wrote:
> On Tue, 19 Aug 2025 at 13:52, Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > On Tue, Aug 19, 2025 at 01:30:46PM +0200, Bartosz Golaszewski wrote:
> > > On Tue, 19 Aug 2025 at 12:02, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
> > > >
> > > > On Tue, 19 Aug 2025 at 00:18, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
> > > > >
> > > > >
> > > > > Boot regression: stable-rc 6.15.11-rc1 arm64 Qualcomm Dragonboard 410c
> > > > > Unable to handle kernel NULL pointer dereference
> > > > > qcom_scm_shm_bridge_enable
> > > >
> > > > I have reverted the following patch and the regression got fixed.
> > > >
> > > > firmware: qcom: scm: initialize tzmem before marking SCM as available
> > > >     [ Upstream commit 87be3e7a2d0030cda6314d2ec96b37991f636ccd ]
> > > >
> > >
> > > Hi! I'm on vacation, I will look into this next week. I expect there
> > > to be a fix on top of this commit.
> >
> > Ok, I'll go and drop this one from the queues now, thanks.
> >
> > greg k-h
> 
> Hi!
> 
> The issue was caused by only picking up commit 7ab36b51c6bee
> ("firmware: qcom: scm: request the waitqueue irq *after* initializing
> SCM") into stable, while the following four must be applied instead:
> 
> 23972da96e1ee ("firmware: qcom: scm: remove unused arguments from SHM
> bridge routines")
> dc3f4e75c54c1 ("firmware: qcom: scm: take struct device as argument in
> SHM bridge enable")
> 87be3e7a2d003 ("firmware: qcom: scm: initialize tzmem before marking
> SCM as available")
> 7ab36b51c6bee ("firmware: qcom: scm: request the waitqueue irq *after*
> initializing SCM")

6.15.y is long end-of-life, so is anything still to be done here?

thanks,

greg k-h