Re: [PATCH v26 00/28] riscv control-flow integrity for usermode

Deepak Gupta
2025-12-12T18:33:21Z

On Fri, Dec 12, 2025 at 01:30:29AM -0700, Paul Walmsley wrote:
>On Thu, 11 Dec 2025, Deepak Gupta via B4 Relay wrote:
>
>> v26: CONFIG_RISCV_USER_CFI depends on CONFIG_MMU (dependency of shadow stack
>> on MMU). Used b4 to pick tags, apparantly it messed up some tag picks. Fixing it
>
>Deepak: I'm now (at least) the third person to tell you to stop resending
>this entire series over and over again.

To be very honest I also feel very bad doing and DOSing the lists. Sorry to you
and everyone else.

But I have been sitting on this patch series for last 3-4 merge windows with
patches being exactly same/similar. So I have been a little more than desperate
to get it in.

I really haven't had any meaningful feedback on patch series except stalling
just before each merge window for reasons which really shouldn't stall its
merge. Sure that's the nature of open source development and it's maintainer's
call at the end of the day. And I am new to this. I'll improve.

>
>First, a modified version of the CFI v23 series was ALREADY SITTING IN
>LINUX-NEXT. So there's no reason you should be resending the entire
>series, UNLESS your intention for me is to drop the entire existing series
>and wait for another merge window.
>
>Second: when someone asks you questions about an individual patch, and you
>want to answer those questions, it's NOT GOOD for you to resend the entire
>28 series as the response! You are DDOSing a bunch of lists and E-mail
>inboxes. Just answer the question in a single E-mail. If you want to
>update a single patch, just send that one patch.

Noted. I wasn't sure about it. I'll explicitly ask next time if you want me to
send another one.

>
>If you don't start paying attention to these rules then people are going
>to start ignoring you -- at best! -- and it's going to give the entire
>community a bad reputation.

Even before this, this patch series has been ignored largely. I don't know
how to get attention. All I wanted was either feedback or get it in. And as I
said I've been desparate to get it in. Also as I said, I'll improve.

>
>Please acknowledge that you understand this,

ACKed.

>
>
>- Paul