linux-kernel - Re: [PATCH] bpf, arm64: inline bpf_get_current_task/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Fri, 21 Jun 2024 21:30:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Puranjay Mohan <puranjay@...nel.org>
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org,
 xukuohai@...weicloud.com, catalin.marinas@....com, will@...nel.org,
 bpf@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, puranjay12@...il.com
Subject: Re: [PATCH] bpf, arm64: inline bpf_get_current_task/_btf() helpers

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@...nel.org>:

On Wed, 19 Jun 2024 13:13:34 +0000 you wrote:
> On ARM64, the pointer to task_struct is always available in the sp_el0
> register and therefore the calls to bpf_get_current_task() and
> bpf_get_current_task_btf() can be inlined into a single MRS instruction.
> 
> Here is the difference before and after this change:
> 
> Before:
> 
> [...]

Here is the summary with links:
  - bpf, arm64: inline bpf_get_current_task/_btf() helpers
    https://git.kernel.org/bpf/bpf-next/c/2bb138cb20a6

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html