linux-kernel - [PATCH v4 1/2] rust: alloc: add from

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <20250823130508.867235-1-vitaly.wool@konsulko.se>
Date: Sat, 23 Aug 2025 15:05:08 +0200
From: Vitaly Wool <vitaly.wool@...sulko.se>
To: rust-for-linux@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Uladzislau Rezki <urezki@...il.com>,
	Danilo Krummrich <dakr@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	"Liam R . Howlett" <Liam.Howlett@...cle.com>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Bjorn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Trevor Gross <tmgross@...ch.edu>,
	Johannes Weiner <hannes@...xchg.org>,
	Yosry Ahmed <yosry.ahmed@...ux.dev>,
	Nhat Pham <nphamcs@...il.com>,
	linux-mm@...ck.org,
	Vitaly Wool <vitaly.wool@...sulko.se>
Subject: [PATCH v4 1/2] rust: alloc: add from_raw method to Flags

We need to be able to create Flags from its raw representation as u32
to properly map zpool C API into Rust. This patch adds from_raw method
to Flags and makes it crate private.

Signed-off-by: Vitaly Wool <vitaly.wool@...sulko.se>
---
 rust/kernel/alloc.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/rust/kernel/alloc.rs b/rust/kernel/alloc.rs
index b39c279236f5..808bd4281164 100644
--- a/rust/kernel/alloc.rs
+++ b/rust/kernel/alloc.rs
@@ -41,6 +41,11 @@
 pub struct Flags(u32);
 
 impl Flags {
+    /// Create from the raw representation
+    pub(crate) fn from_raw(f: u32) -> Self {
+        Self(f)
+    }
+
     /// Get the raw representation of this flag.
     pub(crate) fn as_raw(self) -> u32 {
         self.0
-- 
2.39.2