linux-kernel - RE: [EXTERNAL] Re: [net-next PATCH v5 02/10] octeontx2-pf: RVU representor driver

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Date: Tue, 25 Jun 2024 11:58:18 +0000
From: Geethasowjanya Akula <gakula@...vell.com>
To: Markus Elfring <Markus.Elfring@....de>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni
	<pabeni@...hat.com>
CC: LKML <linux-kernel@...r.kernel.org>,
        Hariprasad Kelam
	<hkelam@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Sunil
 Kovvuri Goutham <sgoutham@...vell.com>
Subject: RE: [EXTERNAL] Re: [net-next PATCH v5 02/10] octeontx2-pf: RVU
 representor driver



>-----Original Message-----
>From: Markus Elfring <Markus.Elfring@....de>
>Sent: Saturday, June 15, 2024 8:42 PM
>To: Geethasowjanya Akula <gakula@...vell.com>; netdev@...r.kernel.org;
>David S. Miller <davem@...emloft.net>; Eric Dumazet
><edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni
><pabeni@...hat.com>
>Cc: LKML <linux-kernel@...r.kernel.org>; Hariprasad Kelam
><hkelam@...vell.com>; Subbaraya Sundeep Bhatta <sbhatta@...vell.com>;
>Sunil Kovvuri Goutham <sgoutham@...vell.com>
>Subject: [EXTERNAL] Re: [net-next PATCH v5 02/10] octeontx2-pf: RVU
>representor driver
>
>> This patch adds basic driver for the RVU representor.
>…
>
>Please improve such a change description with imperative wordings.
>https://urldefense.proofpoint.com/v2/url?u=https-
>3A__git.kernel.org_pub_scm_linux_kernel_git_torvalds_linux.git_tree_Docum
>entation_process_submitting-2Dpatches.rst-3Fh-3Dv6.10-2Drc3-
>23n94&d=DwIFaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=UiEt_nUeYFctu7JVLXVlXD
>hTmq_EAfooaZEYInfGuEQ&m=xQWm4c1xZmKhlrocmDCG4wCtdou3imYNqOq6
>gc0ztVLS_xorfok2yNlJvGz1VZ3H&s=QjFN8k0CouBpoGyBrk6eVoIUE7ehlCaJDSKT
>nIOvGew&e=
>
>Can an adjusted summary phrase become also a bit more helpful?
>https://urldefense.proofpoint.com/v2/url?u=https-
>3A__elixir.bootlin.com_linux_v6.10-
>2Drc3_source_Documentation_process_maintainer-2Dtip.rst-
>23L124&d=DwIFaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=UiEt_nUeYFctu7JVLXVlXD
>hTmq_EAfooaZEYInfGuEQ&m=xQWm4c1xZmKhlrocmDCG4wCtdou3imYNqOq6
>gc0ztVLS_xorfok2yNlJvGz1VZ3H&s=3pyeUiahw8W4NW4bo4IE785fCId1HnoZcd
>havPlF2ZI&e=
>
>
>…
>> +static int rvu_get_rep_cnt(struct otx2_nic *priv) {
>…
>> +	mutex_lock(&priv->mbox.lock);
>> +	req = otx2_mbox_alloc_msg_get_rep_cnt(&priv->mbox);
>…
>> +exit:
>> +	mutex_unlock(&priv->mbox.lock);
>> +	return err;
>> +}
>…
>
>Would you become interested to apply a statement like “guard(mutex)(&priv-
>>mbox.lock);”?
>https://urldefense.proofpoint.com/v2/url?u=https-
>3A__elixir.bootlin.com_linux_v6.10-2Drc3_source_include_linux_mutex.h-
>23L196&d=DwIFaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=UiEt_nUeYFctu7JVLXVlXD
>hTmq_EAfooaZEYInfGuEQ&m=xQWm4c1xZmKhlrocmDCG4wCtdou3imYNqOq6
>gc0ztVLS_xorfok2yNlJvGz1VZ3H&s=_FctAWQQczGBL2JWu_iLo4v5650355w6Xd
>MjpvJbhjk&e=
>
Thanks for your suggestions. Will submit separate patch for entire driver.
>
>…
>> +++ b/drivers/net/ethernet/marvell/octeontx2/nic/rep.h
>> @@ -0,0 +1,31 @@
>…
>> +#ifndef REP_H
>> +#define REP_H
>…
>
>Can unique include guards be more desirable also for this software?
>
>Regards,
>Markus