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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Ke Sun <sunke@kylinos.cn>
Cc: "Dirk Behme" <dirk.behme@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Petr Mladek" <pmladek@suse.com>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Timur Tabi" <ttabi@nvidia.com>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Benno Lossin" <lossin@kernel.org>,
	"John Ogness" <john.ogness@linutronix.de>,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Tamir Duberstein" <tamird@gmail.com>,
	"Ke Sun" <sk.alvin.x@gmail.com>,
	rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v7 0/4] rust: Add safe pointer formatting support
Date: Mon, 29 Dec 2025 16:11:51 +0200	[thread overview]
Message-ID: <aVKMJ3prJu6cqANm@smile.fi.intel.com> (raw)
In-Reply-To: <20251229072157.3857053-1-sunke@kylinos.cn>

On Mon, Dec 29, 2025 at 03:21:18PM +0800, Ke Sun wrote:
> This patch series adds safe pointer formatting support for Rust kernel code,
> providing three pointer wrapper types (HashedPtr, RawPtr, RestrictedPtr) that
> correspond to C kernel's printk format specifiers %p, %px, and %pK.

I didn't get the motivation behind %pK. Also what's about all the extensions
we (currently) have?

> The implementation ensures that raw pointers are automatically hashed when
> formatted with {:p}, providing safe default behavior that prevents information
> leaks about kernel memory layout. Users can also explicitly use wrapper types
> when they need specific formatting behavior.


-- 
With Best Regards,
Andy Shevchenko



  parent reply	other threads:[~2025-12-29 14:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-29  7:21 [PATCH v7 0/4] rust: Add safe pointer formatting support Ke Sun
2025-12-29  7:21 ` [PATCH v7 1/4] lib/vsprintf: Export functions for Rust " Ke Sun
2025-12-29 10:44   ` Dirk Behme
2025-12-31  2:46     ` Ke Sun
2025-12-31 11:07       ` Alice Ryhl
2025-12-29 14:18   ` Andy Shevchenko
2025-12-29 15:00     ` Ke Sun
2025-12-31 10:04     ` Alice Ryhl
2026-01-01  1:43       ` 孙科
2026-01-01  1:46         ` Alice Ryhl
2025-12-29  7:21 ` [PATCH v7 2/4] rust: kernel: Add pointer wrapper types for safe pointer formatting Ke Sun
2025-12-29  9:03   ` Alice Ryhl
2025-12-29 14:07     ` Ke Sun
2025-12-29  7:21 ` [PATCH v7 3/4] rust: fmt: Default raw pointer formatting to HashedPtr Ke Sun
2025-12-29  7:21 ` [PATCH v7 4/4] docs: rust: Add pointer formatting documentation Ke Sun
2025-12-29 14:11 ` Andy Shevchenko [this message]
2025-12-30  2:03   ` [PATCH v7 0/4] rust: Add safe pointer formatting support Ke Sun
2025-12-30  8:40     ` Andy Shevchenko

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