From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1995C20D51E; Wed, 7 May 2025 11:46:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746618414; cv=none; b=VWUISVyAA6H3GB5qtVBAqFV3gaqnEsBrLo4Yfp+/V0gi5DTPmWacDiCQZqk1pInb+JClzgl05iVY93d9C8SsYmwAKcb4mOdbqtIGyI6nZ5tOozP7vgbXzh3IjHJWjNteIJWIYAc0FF1Ei7DZWLSpq2pVVSNQYSDo7UIeDayA5XM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746618414; c=relaxed/simple; bh=d9eoay/eQSnb1NhwL/Ylx13z5/rr9edqhJMtxsP2WNg=; h=Mime-Version:Content-Type:Date:Message-Id:Cc:Subject:From:To: References:In-Reply-To; b=h1ObfzStKSeocbHKgnGXPZUKvzcJ5RouDNtNuRWqEaHU5asWeJOeiUmrTBp5Y6YpkXaOpGZTWleGAOFK7pBxoPsxNUfqBOf7mqQ5M2FUthFJrnV/OfOoTehFj6CQAMdHcEASJqx3xqbvitz20MuM91jTWS+G86BoMEYEQbexo1w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fg4skWBD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fg4skWBD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 783ECC4CEE7; Wed, 7 May 2025 11:46:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746618413; bh=d9eoay/eQSnb1NhwL/Ylx13z5/rr9edqhJMtxsP2WNg=; h=Date:Cc:Subject:From:To:References:In-Reply-To:From; b=fg4skWBDnj93slBLBQBKydTNn/7jU2wzMW+tnUxL8WSiyii5tb49z39PhUeRFDg2r GS10uns8DgDYmXyua8FhQVBBrzLasewfKvmK5Fvzv/MzRyw/MGTxKvp+s0Mv7aKqhH 3ZQva2z0gMGKUoCINJ476NUbpHynbnOaFnjM5ppz70s5/JfosZG+WFD/45tziJEw6a 2NlbEFESlQlIg1Js+x+YN8P6p+ZCyTWf+5HpWb5vMN5Y7botRozWlEZ2DEZtvjN+AX +cgpW+eH3ndxtIwSm+rEcQEdiYSb4Av+CNnC+2B9jJKWt+aQcOGB+TS//eykk5ZMCF gWwoR3XazkKXg== Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 07 May 2025 13:46:50 +0200 Message-Id: Cc: "Matthew Maurer" , , Subject: Re: [PATCH v5 7/7] rust: alloc: add Vec::insert_within_capacity From: "Benno Lossin" To: "Alice Ryhl" , "Danilo Krummrich" X-Mailer: aerc 0.20.1 References: <20250502-vec-methods-v5-0-06d20ad9366f@google.com> <20250502-vec-methods-v5-7-06d20ad9366f@google.com> In-Reply-To: <20250502-vec-methods-v5-7-06d20ad9366f@google.com> On Fri May 2, 2025 at 3:19 PM CEST, Alice Ryhl wrote: > This adds a variant of Vec::insert that does not allocate memory. This > makes it safe to use this function while holding a spinlock. Rust Binder > uses it for the range allocator fast path. > > Signed-off-by: Alice Ryhl Reviewed-by: Benno Lossin --- Cheers, Benno > --- > rust/kernel/alloc/kvec.rs | 51 ++++++++++++++++++++++++++++++++++= +++++- > rust/kernel/alloc/kvec/errors.rs | 23 ++++++++++++++++++ > 2 files changed, 73 insertions(+), 1 deletion(-)