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
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 clang uses the "vmovaps" assembly instr
10 matches
Mail list logo
