netdev - Re: [PATCH] firmware: qcom_scm: Use fixed width src vm bitmap

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Message-ID: <20230315041119.fp7npwa5bia5hck3@ripper>
Date:   Tue, 14 Mar 2023 21:11:19 -0700
From:   Bjorn Andersson <andersson@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Elliot Berman <quic_eberman@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Amol Maheshwari <amahesh@....qualcomm.com>,
        Arnd Bergmann <arnd@...db.de>, Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Gokul krishna Krishnakumar <quic_gokukris@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH] firmware: qcom_scm: Use fixed width src vm bitmap

On Fri, Mar 03, 2023 at 01:09:08PM -0800, Elliot Berman wrote:
> 
> 
> On 2/14/2023 10:52 AM, Elliot Berman wrote:
> > 
> > 
> > On 2/14/2023 9:23 AM, Bjorn Andersson wrote:
> > > On Tue, Feb 14, 2023 at 09:58:44AM +0100, Greg Kroah-Hartman wrote:
> > > > On Mon, Feb 13, 2023 at 01:44:17PM -0800, Bjorn Andersson wrote:
> > > > > On Mon, Feb 13, 2023 at 10:18:29AM -0800, Elliot Berman wrote:
> > > > > > The maximum VMID for assign_mem is 63. Use a u64 to represent this
> > > > > > bitmap instead of architecture-dependent "unsigned int"
> > > > > > which varies in
> > > > > > size on 32-bit and 64-bit platforms.
> > > > > > 
> > > > > > Acked-by: Kalle Valo <kvalo@...nel.org> (ath10k)
> > > > > > Tested-by: Gokul krishna Krishnakumar <quic_gokukris@...cinc.com>
> > > > > > Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
> > > > > 
> > > > > Reviewed-by: Bjorn Andersson <andersson@...nel.org>
> > > > > 
> > > > > @Greg, would you mind taking this through your tree for v6.3, you
> > > > > already have a related change in fastrpc.c in your tree...
> > > > 
> > > > I tried, but it doesn't apply to my char-misc tree at all:
> > > > 
> > > > checking file drivers/firmware/qcom_scm.c
> > > > Hunk #1 succeeded at 898 (offset -7 lines).
> > > > Hunk #2 succeeded at 915 (offset -7 lines).
> > > > Hunk #3 succeeded at 930 (offset -7 lines).
> > > > checking file drivers/misc/fastrpc.c
> > > > checking file drivers/net/wireless/ath/ath10k/qmi.c
> > > > checking file drivers/remoteproc/qcom_q6v5_mss.c
> > > > Hunk #1 succeeded at 227 (offset -8 lines).
> > > > Hunk #2 succeeded at 404 (offset -10 lines).
> > > > Hunk #3 succeeded at 939 with fuzz 1 (offset -28 lines).
> > > > checking file drivers/remoteproc/qcom_q6v5_pas.c
> > > > Hunk #1 FAILED at 94.
> > > > 1 out of 1 hunk FAILED
> > > > checking file drivers/soc/qcom/rmtfs_mem.c
> > > > Hunk #1 succeeded at 30 (offset -1 lines).
> > > > can't find file to patch at input line 167
> > > > Perhaps you used the wrong -p or --strip option?
> > > > The text leading up to this was:
> > > > --------------------------
> > > > |diff --git a/include/linux/firmware/qcom/qcom_scm.h
> > > > b/include/linux/firmware/qcom/qcom_scm.h
> > > > |index 1e449a5d7f5c..250ea4efb7cb 100644
> > > > |--- a/include/linux/firmware/qcom/qcom_scm.h
> > > > |+++ b/include/linux/firmware/qcom/qcom_scm.h
> > > > --------------------------
> > > > 
> > > > What tree is this patch made against?
> > > > 
> > > 
> > > Sorry about that, I missed the previous changes in qcom_q6v5_pas in the
> > > remoteproc tree. Elliot said he based it on linux-next, so I expect that
> > > it will merge fine on top of -rc1, once that arrives.
> > > 
> > 
> > Yes, this patch applies on next-20230213. I guess there are enough
> > changes were coming from QCOM side (via Bjorn's qcom tree) as well as
> > the fastrpc change (via Greg's char-misc tree).
> > 
> > Let me know if I should do anything once -rc1 arrives. Happy to post
> > version on the -rc1 if it helps.
> > 
> 
> The patch now applies on tip of Linus's tree and on char-misc.

Greg, I have a couple more patches in the scm driver in my inbox. Would
you be okay with me pulling this through the Qualcomm tree for v6.4?

Regards,
Bjorn