linux-kernel - Re: [PATCH v2 0/2] firmware: qcom: scm: fix SMC calls on ARM32

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Message-ID: <CAMRc=MdmZ7_oHv_7Ja9E0pfuoF5wWeGz_1=Yq=G-gE_cpsBGSA@mail.gmail.com>
Date: Wed, 25 Sep 2024 11:45:49 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linux regressions mailing list <regressions@...ts.linux.dev>
Cc: Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Andrew Halaney <ahalaney@...hat.com>, Elliot Berman <quic_eberman@...cinc.com>, 
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Rudraksha Gupta <guptarud@...il.com>, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 0/2] firmware: qcom: scm: fix SMC calls on ARM32

On Wed, Sep 25, 2024 at 11:35 AM Linux regression tracking (Thorsten
Leemhuis) <regressions@...mhuis.info> wrote:
>
> On 11.09.24 11:07, Bartosz Golaszewski wrote:
> > The new TZ Mem allocator assumes the SCM driver is always probed which
> > apparently isn't the case on older platforms. Add a proper workaround.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > ---
> > Changes in v2:
> > - use likely() for the more likely branch in smc_args_free()
> > - Link to v1: https://lore.kernel.org/r/20240909-tzmem-null-ptr-v1-0-96526c421bac@linaro.org
>
> Thx for working on this. This afaics is fixing a regression from the
> 6.11 cycle; we already missed fixing this for 6.11[1], but please allow
> me to ask: is that something that bothers many people and thus should
> maybe be fixed rather sooner than later? No pressure, just wondering, as
> it seems the review is making slow progress.
>
> Ciao, Thorsten
>

Bjorn should pick up patch 1/2 from this series into the QCom branch.
If it doesn't happen by the end of the merge window, I'll resend it
separately on Monday.

Bart