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From: Vladimir Oltean <olteanv@gmail.com>
To: Furong Xu <0x1207@gmail.com>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>,
	Serge Semin <fancer.lancer@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Joao Pinto <jpinto@synopsys.com>,
	netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, rmk+kernel@armlinux.org.uk,
	linux@armlinux.org.uk, xfr@outlook.com,
	Vladimir Oltean <vladimir.oltean@nxp.com>
Subject: Re: [PATCH net-next v7 3/7] net: stmmac: refactor FPE verification process
Date: Wed, 4 Sep 2024 16:02:23 +0300	[thread overview]
Message-ID: <20240904130223.py2yxmwo5kp6yvnu@skbuf> (raw)
In-Reply-To: <1e452525e496b28c0b1ea43afbdc3533c92930c6.1725441317.git.0x1207@gmail.com> <1e452525e496b28c0b1ea43afbdc3533c92930c6.1725441317.git.0x1207@gmail.com>

On Wed, Sep 04, 2024 at 05:21:18PM +0800, Furong Xu wrote:
> +static void stmmac_fpe_verify_timer_arm(struct stmmac_fpe_cfg *fpe_cfg)
> +{
> +	struct ethtool_mm_state *state = &fpe_cfg->state;
> +
> +	if (state->pmac_enabled && state->tx_enabled &&
> +	    state->verify_enabled &&
> +	    state->verify_status != ETHTOOL_MM_VERIFY_STATUS_FAILED &&
> +	    state->verify_status != ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED) {
> +		/* give caller a chance to release the spinlock */
> +		mod_timer(&fpe_cfg->verify_timer, jiffies + 1);
> +	}
> +}

Why do you need to give the caller a chance to release the spinlock?
Isn't the timer code blocked anyway, as stmmac_fpe_verify_timer_arm()
runs under irqsoff?


  reply	other threads:[~2024-09-04 13:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-04  9:21 [PATCH net-next v7 0/7] net: stmmac: FPE via ethtool + tc Furong Xu
2024-09-04  9:21 ` [PATCH net-next v7 1/7] net: stmmac: move stmmac_fpe_cfg to stmmac_priv data Furong Xu
2024-09-04  9:21 ` [PATCH net-next v7 2/7] net: stmmac: drop stmmac_fpe_handshake Furong Xu
2024-09-04  9:21 ` [PATCH net-next v7 3/7] net: stmmac: refactor FPE verification process Furong Xu
2024-09-04 13:02   ` Vladimir Oltean [this message]
2024-09-04 14:04   ` Vladimir Oltean
2024-09-04 14:58   ` Vladimir Oltean
2024-09-04  9:21 ` [PATCH net-next v7 4/7] net: stmmac: configure FPE via ethtool-mm Furong Xu
2024-09-04  9:21 ` [PATCH net-next v7 5/7] net: stmmac: support fp parameter of tc-mqprio Furong Xu
2024-09-04 15:42   ` Vladimir Oltean
2024-09-04  9:21 ` [PATCH net-next v7 6/7] net: stmmac: support fp parameter of tc-taprio Furong Xu
2024-09-04 15:55   ` Vladimir Oltean
2024-09-04  9:21 ` [PATCH net-next v7 7/7] net: stmmac: silence FPE kernel logs Furong Xu
2024-09-04 16:00   ` Vladimir Oltean

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