netdev - Re: [PATCH net] bnxt_en: replace ptp

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Message-ID: <CACKFLikahUtGiJJoqT2mxJN-gfRT1z1Cy0bjLo6ZZRxk=bt0ig@mail.gmail.com>
Date: Tue, 15 Oct 2024 13:42:18 -0700
From: Michael Chan <michael.chan@...adcom.com>
To: Vadim Fedorenko <vadfed@...a.com>
Cc: Edwin Peer <edwin.peer@...adcom.com>, Pavan Chebbi <pavan.chebbi@...adcom.com>, 
	Jakub Kicinski <kuba@...nel.org>, Vadim Fedorenko <vadim.fedorenko@...ux.dev>, 
	Andrew Lunn <andrew+netdev@...n.ch>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, 
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH net] bnxt_en: replace ptp_lock with irqsave variant

On Tue, Oct 15, 2024 at 11:53 AM Vadim Fedorenko <vadfed@...a.com> wrote:
>
> In netpoll configuration the completion processing can happen in hard
> irq context which will break with spin_lock_bh() for fullfilling RX
> timestamp in case of all packets timestamping. Replace it with
> spin_lock_irqsave() variant.
>
> Fixes: 7f5515d19cd7 ("bnxt_en: Get the RX packet timestamp")
> Signed-off-by: Vadim Fedorenko <vadfed@...a.com>

Thanks.
Reviewed-by: Michael Chan <michael.chan@...adcom.com>

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