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Message-ID: <5180ac42-3d5c-a6dc-a6da-9ede451d6a14@redhat.com>
Date: Mon, 21 Aug 2023 18:53:28 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Shih-Yi Chen <shihyic@...dia.com>, linux-kernel@...r.kernel.org,
Mark Gross <markgross@...nel.org>,
Vadim Pasternak <vadimp@...dia.com>,
platform-driver-x86@...r.kernel.org
Cc: Liming Sung <limings@...dia.com>,
David Thompson <davthompson@...dia.com>
Subject: Re: [PATCH] [v2] platform/mellanox: Fix mlxbf-tmfifo not handling all
virtio CONSOLE notifictions updated to use set_bit()
Hi,
On 8/21/23 17:06, Shih-Yi Chen wrote:
> From: shihyic <shihyic@...dia.com>
>
> rshim console does not show all entries of dmesg.
>
> Fixed by setting MLXBF_TM_TX_LWM_IRQ for every CONSOLE notification.
>
> Signed-off-by: Shih-Yi Chen <shihyic@...dia.com>
> Reviewed-by: Liming Sung <limings@...dia.com>, David Thompson <davthompson@...dia.com>
> Reviewed-by: David Thompson <davthompson@...dia.com>
Thank you for your patch, I've applied this patch to my fixes
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=fixes
Note it will show up in my fixes branch once I've pushed my
local branch there, which might take a while.
I will include this patch in my next fixes pull-req to Linus
for the current kernel development cycle.
Regards,
Hans
> ---
> v1->v2:
> - Per review comment, replaced test_and_set_bit() with set_bit()
>
> drivers/platform/mellanox/mlxbf-tmfifo.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
> index a79318e90a13..b600b77d91ef 100644
> --- a/drivers/platform/mellanox/mlxbf-tmfifo.c
> +++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
> @@ -887,6 +887,7 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue *vq)
> tm_vdev = fifo->vdev[VIRTIO_ID_CONSOLE];
> mlxbf_tmfifo_console_output(tm_vdev, vring);
> spin_unlock_irqrestore(&fifo->spin_lock[0], flags);
> + set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events);
> } else if (test_and_set_bit(MLXBF_TM_TX_LWM_IRQ,
> &fifo->pend_events)) {
> return true;
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