From: patchwork-bot+netdevbpf@kernel.org
To: Mike Rapoport <rppt@kernel.org>
Cc: ast@kernel.org, andrii@kernel.org, luto@kernel.org, bp@alien8.de,
daniel@iogearbox.net, dave.hansen@linux.intel.com,
eddyz87@gmail.com, mingo@redhat.com, memxor@gmail.com,
peterz@infradead.org, song@kernel.org, tglx@kernel.org,
emil@etsalapatis.com, jolsa@kernel.org, john.fastabend@gmail.com,
martin.lau@linux.dev, hpa@zytor.com, yonghong.song@linux.dev,
bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
x86@kernel.org
Subject: Re: [PATCH bpf-next v3 0/5] bpf, x86: enable EXECMEM_ROX_CACHE for BPF allocations
Date: Wed, 22 Jul 2026 15:40:14 +0000 [thread overview]
Message-ID: <178473481439.1464421.4198838118908627842.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260716-execmem-x86-rox-bpf-v0-v3-0-4e76158c01c5@kernel.org>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Kumar Kartikeya Dwivedi <memxor@gmail.com>:
On Thu, 16 Jul 2026 10:51:34 +0300 you wrote:
> Hi,
>
> BPF allocations of executable memory on x86 are essentially read-only. Most
> paths that call bpf_jit_alloc_exec() immediately make it ROX with
> set_memory_rox().
>
> The code generation, at least on x86, uses separately allocated writable
> buffers and then updates the actual text memory with text_poke().
>
> [...]
Here is the summary with links:
- [bpf-next,v3,1/5] bpf: dispatcher: allocate bpf_dispatcher->rw_image with vzalloc()
https://git.kernel.org/bpf/bpf-next/c/810a273919df
- [bpf-next,v3,2/5] bpf: drop __weak from bpf_jit_alloc_exec() and bpf_jit_free_exec()
https://git.kernel.org/bpf/bpf-next/c/4946eb5d37cb
- [bpf-next,v3,3/5] bpf: alloc_prog_pack(): skip ROX management for already ROX memory
https://git.kernel.org/bpf/bpf-next/c/7516714947da
- [bpf-next,v3,4/5] bpf, x86: make sure allocation in arch_bpf_trampoline_size() is writable
https://git.kernel.org/bpf/bpf-next/c/5bf02dbf39fa
- [bpf-next,v3,5/5] x86/bpf: enable EXECMEM_ROX_CACHE for BPF allocations
https://git.kernel.org/bpf/bpf-next/c/6b88aaec81db
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-07-22 15:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-16 7:51 Mike Rapoport (Microsoft)
2026-07-16 7:51 ` [PATCH bpf-next v3 1/5] bpf: dispatcher: allocate bpf_dispatcher->rw_image with vzalloc() Mike Rapoport (Microsoft)
2026-07-16 8:52 ` bot+bpf-ci
2026-07-16 9:27 ` Mike Rapoport
2026-07-16 9:49 ` Kumar Kartikeya Dwivedi
2026-07-16 7:51 ` [PATCH bpf-next v3 2/5] bpf: drop __weak from bpf_jit_alloc_exec() and bpf_jit_free_exec() Mike Rapoport (Microsoft)
2026-07-16 7:51 ` [PATCH bpf-next v3 3/5] bpf: alloc_prog_pack(): skip ROX management for already ROX memory Mike Rapoport (Microsoft)
2026-07-16 7:51 ` [PATCH bpf-next v3 4/5] bpf, x86: make sure allocation in arch_bpf_trampoline_size() is writable Mike Rapoport (Microsoft)
2026-07-16 7:51 ` [PATCH bpf-next v3 5/5] x86/bpf: enable EXECMEM_ROX_CACHE for BPF allocations Mike Rapoport (Microsoft)
2026-07-17 0:00 ` [PATCH bpf-next v3 0/5] bpf, x86: " Song Liu
2026-07-17 6:41 ` Mike Rapoport
2026-07-17 7:27 ` Song Liu
2026-07-17 9:29 ` Mike Rapoport
2026-07-17 17:50 ` Song Liu
2026-07-19 9:23 ` Mike Rapoport
2026-07-21 17:59 ` Song Liu
2026-07-22 8:05 ` Mike Rapoport
2026-07-22 15:04 ` Song Liu
2026-07-27 8:35 ` Mike Rapoport
2026-07-22 15:40 ` patchwork-bot+netdevbpf [this message]
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