20/03/2024 10:31, fengchengwen:
> Reviewed-by: Chengwen Feng
>
> On 2024/3/20 15:23, Wenwu Ma wrote:
> > The structure rte_dma_dev needs to be aligned to the cache line, but
> > the return value of malloc may not be aligned to the cache line. When
> > we use memset to clear the rte_dma_dev object
On Thu, Mar 21, 2024 at 11:06:34AM +0100, Thomas Monjalon wrote:
> 21/03/2024 10:18, Ma, WenwuX:
> > From: Thomas Monjalon
> > > 21/03/2024 02:25, Ma, WenwuX:
> > > > From: Thomas Monjalon
> > > > > 20/03/2024 08:23, Wenwu Ma:
> > > > > > The structure rte_dma_dev needs to be aligned to the cache
21/03/2024 10:18, Ma, WenwuX:
> From: Thomas Monjalon
> > 21/03/2024 02:25, Ma, WenwuX:
> > > From: Thomas Monjalon
> > > > 20/03/2024 08:23, Wenwu Ma:
> > > > > The structure rte_dma_dev needs to be aligned to the cache line,
> > > > > but the return value of malloc may not be aligned to the cac
Hi, Thomas
> -Original Message-
> From: Thomas Monjalon
> Sent: Thursday, March 21, 2024 4:31 PM
> To: fengcheng...@huawei.com; Ma, WenwuX
> Cc: dev@dpdk.org; Jiale, SongX ; sta...@dpdk.org
> Subject: Re: [PATCH v3] dmadev: fix structure alignment
>
> 21/0
Hi, Thomas
> -Original Message-
> From: Thomas Monjalon
> Sent: Thursday, March 21, 2024 4:31 PM
> To: fengcheng...@huawei.com; Ma, WenwuX
> Cc: dev@dpdk.org; Jiale, SongX ; sta...@dpdk.org
> Subject: Re: [PATCH v3] dmadev: fix structure alignment
>
> 21/0
21/03/2024 02:25, Ma, WenwuX:
> Hi, Thomas
>
> From: Thomas Monjalon
> > 20/03/2024 08:23, Wenwu Ma:
> > > The structure rte_dma_dev needs to be aligned to the cache line, but
> > > the return value of malloc may not be aligned to the cache line. When
> > > we use memset to clear the rte_dma_dev
Hi, Thomas
> -Original Message-
> From: Thomas Monjalon
> Sent: Wednesday, March 20, 2024 7:37 PM
> To: fengcheng...@huawei.com; Ma, WenwuX
> Cc: dev@dpdk.org; Jiale, SongX ; sta...@dpdk.org
> Subject: Re: [PATCH v3] dmadev: fix structure alignment
>
> 20
20/03/2024 08:23, Wenwu Ma:
> The structure rte_dma_dev needs to be aligned to the cache line, but
> the return value of malloc may not be aligned to the cache line. When
> we use memset to clear the rte_dma_dev object, it may cause a segmentation
> fault in clang-x86-platform.
>
> This is because
Reviewed-by: Chengwen Feng
On 2024/3/20 15:23, Wenwu Ma wrote:
> The structure rte_dma_dev needs to be aligned to the cache line, but
> the return value of malloc may not be aligned to the cache line. When
> we use memset to clear the rte_dma_dev object, it may cause a segmentation
> fault in cla
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