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From: Eduard Zingerman <eddyz87@gmail.com>
To: Vineet Gupta <vineet.gupta@linux.dev>,
	ast@kernel.org, daniel@iogearbox.net, 	andrii@kernel.org,
	memxor@gmail.com
Cc: martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev,
	 jolsa@kernel.org, emil@etsalapatis.com, ihor.solodrai@linux.dev,
	 john.fastabend@gmail.com, shuah@kernel.org, bpf@vger.kernel.org,
	 linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [RFC bpf-next 3/6] bpf: support low-32 subreg scalar linking for zero-extending movs
Date: Tue, 18 Aug 2026 21:07:11 -0700	[thread overview]
Message-ID: <3409369bebc67b512257583556b02104710fcd1c.camel@gmail.com> (raw)
In-Reply-To: <20260814231945.3884596-4-vineet.gupta@linux.dev>

On Fri, 2026-08-14 at 16:19 -0700, Vineet Gupta wrote:

...

>  include/linux/bpf_verifier.h | 10 ++++
>  kernel/bpf/states.c          | 23 ++++++++-
>  kernel/bpf/verifier.c        | 91 ++++++++++++++++++++++++++++++++----
>  3 files changed, 114 insertions(+), 10 deletions(-)

Also, would be nice to reflect ZEXT flag when printing the register in log.c.

  parent reply	other threads:[~2026-08-19  4:07 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-14 23:19 [RFC bpf-next 0/6] bpf: track scalar equality across the low 32 bits Vineet Gupta
2026-08-14 23:19 ` [RFC bpf-next 1/6] bpf: turn bpf_reg_state->precise into a flags field [NFC] Vineet Gupta
2026-08-18 21:38   ` Eduard Zingerman
2026-08-14 23:19 ` [RFC bpf-next 2/6] bpf: move the linked-scalar flags into bpf_reg_state->flags [NFC] Vineet Gupta
2026-08-14 23:34   ` sashiko-bot
2026-08-18 22:51   ` Eduard Zingerman
2026-08-14 23:19 ` [RFC bpf-next 3/6] bpf: support low-32 subreg scalar linking for zero-extending movs Vineet Gupta
2026-08-19  3:39   ` Eduard Zingerman
2026-08-19  4:07   ` Eduard Zingerman [this message]
2026-08-14 23:19 ` [RFC bpf-next 4/6] selftests/bpf: cover low-32 subreg-equal link " Vineet Gupta
2026-08-14 23:27   ` sashiko-bot
2026-08-19  5:05   ` Eduard Zingerman
2026-08-14 23:19 ` [RFC bpf-next 5/6] bpf: support low-32 subreg scalar linking for sign-extending movs Vineet Gupta
2026-08-19  6:18   ` Eduard Zingerman
2026-08-14 23:19 ` [RFC bpf-next 6/6] selftests/bpf: cover 32-bit sign-extension low-32 links Vineet Gupta
2026-08-14 23:27   ` sashiko-bot
2026-08-19  4:35 ` [RFC bpf-next 0/6] bpf: track scalar equality across the low 32 bits Eduard Zingerman

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