linux-kernel - Re: [PATCH] RDMA/pvrdma: Remove useless DMA-32 fallback configuration

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Message-ID: <20220128145137.GA1792367@nvidia.com>
Date:   Fri, 28 Jan 2022 10:51:37 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Bryan Tan <bryantan@...are.com>, Vishnu Dasa <vdasa@...are.com>,
        VMware PV-Drivers <pv-drivers@...are.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH] RDMA/pvrdma: Remove useless DMA-32 fallback configuration

On Sun, Jan 09, 2022 at 09:35:18AM +0100, Christophe JAILLET wrote:
> As stated in [1], dma_set_mask() with a 64-bit mask never fails if
> dev->dma_mask is non-NULL.
> So, if it fails, the 32 bits case will also fail for the same reason.
> 
> Simplify code and remove some dead code accordingly.
> 
> [1]: https://lkml.org/lkml/2021/6/7/398
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)

Applied to for-next, thanks

Jason