From: Andrew Lunn <andrew@lunn.ch>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Vivien Didelot <vivien.didelot@gmail.com>
Subject: Re: [PATCH v2 net-next 2/7] net: dsa: merge all bools of struct dsa_port into a single u8
Date: Wed, 5 Jan 2022 23:10:35 +0100 [thread overview]
Message-ID: <YdYXWy241wJo5wuC@lunn.ch> (raw)
In-Reply-To: <20220105183934.yxidfrcwcuirm7au@skbuf>
On Wed, Jan 05, 2022 at 06:39:34PM +0000, Vladimir Oltean wrote:
> Hi Florian,
>
> On Wed, Jan 05, 2022 at 10:30:54AM -0800, Florian Fainelli wrote:
> > Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
>
> Thanks a lot for the review.
>
> I'm a bit on the fence on this patch and the other one for dsa_switch.
> The thing is that bit fields are not atomic in C89, so if we update any
> of the flags inside dp or ds concurrently (like dp->vlan_filtering),
> we're in trouble. Right now this isn't a problem, because most of the
> flags are set either during probe, or during ds->ops->setup
I've no idea if it ever got merged, but:
https://lwn.net/Articles/724319/
Andrew
next prev parent reply other threads:[~2022-01-05 22:11 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-05 13:21 [PATCH v2 net-next 0/7] Cleanup to main DSA structures Vladimir Oltean
2022-01-05 13:21 ` [PATCH v2 net-next 1/7] net: dsa: move dsa_port :: stp_state near dsa_port :: mac Vladimir Oltean
2022-01-05 18:30 ` Florian Fainelli
2022-01-05 13:21 ` [PATCH v2 net-next 2/7] net: dsa: merge all bools of struct dsa_port into a single u8 Vladimir Oltean
2022-01-05 18:30 ` Florian Fainelli
2022-01-05 18:39 ` Vladimir Oltean
2022-01-05 18:46 ` Florian Fainelli
2022-01-05 18:56 ` Vladimir Oltean
2022-01-05 19:42 ` Florian Fainelli
2022-01-05 22:10 ` Andrew Lunn [this message]
2022-01-05 13:21 ` [PATCH v2 net-next 3/7] net: dsa: move dsa_port :: type near dsa_port :: index Vladimir Oltean
2022-01-05 18:31 ` Florian Fainelli
2022-01-05 13:21 ` [PATCH v2 net-next 4/7] net: dsa: merge all bools of struct dsa_switch into a single u32 Vladimir Oltean
2022-01-05 18:32 ` Florian Fainelli
2022-01-05 13:21 ` [PATCH v2 net-next 5/7] net: dsa: make dsa_switch :: num_ports an unsigned int Vladimir Oltean
2022-01-05 18:33 ` Florian Fainelli
2022-01-05 13:21 ` [PATCH v2 net-next 6/7] net: dsa: move dsa_switch_tree :: ports and lags to first cache line Vladimir Oltean
2022-01-05 18:34 ` Florian Fainelli
2022-01-05 13:21 ` [PATCH v2 net-next 7/7] net: dsa: combine two holes in struct dsa_switch_tree Vladimir Oltean
2022-01-05 18:34 ` Florian Fainelli
2022-01-05 14:28 ` [PATCH v2 net-next 0/7] Cleanup to main DSA structures Vladimir Oltean
2022-01-05 18:37 ` Florian Fainelli
2022-01-05 18:39 ` Florian Fainelli
2022-01-05 18:59 ` Vladimir Oltean
2022-01-05 19:04 ` Florian Fainelli
2022-01-05 19:22 ` Vladimir Oltean
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