Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Subject: Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
From: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>
Date: Mon, 4 Nov 2024 21:19:13 -0800
Cc: bpf <bpf@xxxxxxxxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Kernel Team <kernel-team@xxxxxx>, Martin KaFai Lau <martin.lau@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>
In-reply-to: <06f43c37-a789-49cb-a4b0-bc2c45ae9485@linux.dev>

On Mon, Nov 4, 2024 at 7:44 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote:
>
>
> Agree. I use alignment 16 to cover all architectures. for x86_64,
> alignment 8 is used. I did some checking in arch/ directory.

hmm. I'm pretty sure x86 psABI requires 16-byte stack alignment,
but I don't know why.

Follow-Ups:
- Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
  - From: Yonghong Song

References:
- [PATCH bpf-next v9 00/10] bpf: Support private stack for bpf progs
  - From: Yonghong Song
- [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
  - From: Yonghong Song
- Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
  - From: Alexei Starovoitov
- Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
  - From: Yonghong Song
- Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
  - From: Yonghong Song

Prev by Date: Re: [PATCH net-next v2 07/13] virtio_ring: remove API virtqueue_set_dma_premapped
Next by Date: Re: [PATCH bpf-next 2/2] bpf: Switch bpf arena to use drm_mm instead of maple_tree
Previous by thread: Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
Next by thread: Re: [PATCH bpf-next v9 05/10] bpf: Allocate private stack for eligible main prog or subprogs
Index(es):
- Date
- Thread

[Index of Archives] [Linux Samsung SoC] [Linux Rockchip SoC] [Linux Actions SoC] [Linux for Synopsys ARC Processors] [Linux NFS] [Linux NILFS] [Linux USB Devel] [Video for Linux] [Linux Audio Users] [Yosemite News] [Linux Kernel] [Linux SCSI]