linux-kernel - Re: [PATCH] crypto: hisilicon/qm

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Date:   Fri, 20 Oct 2023 13:57:22 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Longfang Liu <liulongfang@...wei.com>
Cc:     wangzhou1@...ilicon.com, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: hisilicon/qm - fix EQ/AEQ interrupt issue

On Fri, Oct 13, 2023 at 11:49:57AM +0800, Longfang Liu wrote:
> During hisilicon accelerator live migration operation. In order to
> prevent the problem of EQ/AEQ interrupt loss. Migration driver will
> trigger an EQ/AEQ doorbell at the end of the migration.
> 
> This operation may cause double interruption of EQ/AEQ events.
> To ensure that the EQ/AEQ interrupt processing function is normal.
> The interrupt handling functionality of EQ/AEQ needs to be updated.
> Used to handle repeated interrupts event.
> 
> Fixes: b0eed085903e ("hisi_acc_vfio_pci: Add support for VFIO live migration")
> Signed-off-by: Longfang Liu <liulongfang@...wei.com>
> ---
>  drivers/crypto/hisilicon/qm.c | 105 +++++++++++++---------------------
>  include/linux/hisi_acc_qm.h   |   1 +
>  2 files changed, 41 insertions(+), 65 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt