From: Andreas Hindborg <a.hindborg@kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Matthew Wilcox" <willy@infradead.org>,
"Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"John Hubbard" <jhubbard@nvidia.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Arnd Bergmann" <arnd@arndb.de>,
"Christian Brauner" <brauner@kernel.org>,
"Jann Horn" <jannh@google.com>,
"Suren Baghdasaryan" <surenb@google.com>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Trevor Gross" <tmgross@umich.edu>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v11 5/8] mm: rust: add mmput_async support
Date: Mon, 16 Dec 2024 14:10:47 +0100 [thread overview]
Message-ID: <87seqnai3s.fsf@kernel.org> (raw)
In-Reply-To: <20241211-vma-v11-5-466640428fc3@google.com> (Alice Ryhl's message of "Wed, 11 Dec 2024 10:37:09 +0000")
"Alice Ryhl" <aliceryhl@google.com> writes:
> Adds an MmWithUserAsync type that uses mmput_async when dropped but is
> otherwise identical to MmWithUser. This has to be done using a separate
> type because the thing we are changing is the destructor.
>
> Rust Binder needs this to avoid a certain deadlock. See commit
> 9a9ab0d96362 ("binder: fix race between mmput() and do_exit()") for
> details. It's also needed in the shrinker to avoid cleaning up the mm in
> the shrinker's context.
>
> Acked-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> (for mm bits)
> Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org>
Best regards,
Andreas Hindborg
next prev parent reply other threads:[~2024-12-16 14:51 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <nGnC07PmUqofHiX7HfZAOCIK1-CPS7DF8kdGhDgJgPts5KYrCrimmovP-4YMVgI7WRmFnGwbdndTtxCfp278cg==@protonmail.internalid>
2024-12-11 10:37 ` [PATCH v11 0/8] Rust support for mm_struct, vm_area_struct, and mmap Alice Ryhl
2024-12-11 10:37 ` [PATCH v11 1/8] mm: rust: add abstraction for struct mm_struct Alice Ryhl
2024-12-16 11:31 ` Andreas Hindborg
2025-01-13 9:53 ` Alice Ryhl
2025-01-14 15:48 ` Lorenzo Stoakes
2025-01-15 1:54 ` John Hubbard
2025-01-15 12:13 ` Lorenzo Stoakes
2025-01-15 10:36 ` Andreas Hindborg
2025-01-15 20:20 ` John Hubbard
2025-01-17 0:45 ` Balbir Singh
2025-01-17 12:47 ` Alice Ryhl
2024-12-11 10:37 ` [PATCH v11 2/8] mm: rust: add vm_area_struct methods that require read access Alice Ryhl
2024-12-16 12:12 ` Andreas Hindborg
2025-01-08 12:21 ` Alice Ryhl
2025-01-09 8:02 ` Andreas Hindborg
2025-01-09 8:19 ` Lorenzo Stoakes
2025-01-09 9:50 ` Andreas Hindborg
2025-01-09 11:29 ` Lorenzo Stoakes
2025-01-09 15:32 ` Andreas Hindborg
2025-01-13 14:45 ` Lorenzo Stoakes
2025-01-14 9:50 ` Alice Ryhl
2025-01-14 11:57 ` Lorenzo Stoakes
2025-01-14 13:42 ` Alice Ryhl
2025-01-14 15:33 ` Lorenzo Stoakes
2025-01-15 11:02 ` Andreas Hindborg
2025-01-15 11:04 ` Alice Ryhl
2024-12-11 10:37 ` [PATCH v11 3/8] mm: rust: add vm_insert_page Alice Ryhl
2024-12-16 12:25 ` Andreas Hindborg
2025-01-13 10:02 ` Alice Ryhl
2025-01-15 9:33 ` Andreas Hindborg
2024-12-11 10:37 ` [PATCH v11 4/8] mm: rust: add lock_vma_under_rcu Alice Ryhl
2024-12-16 12:47 ` Andreas Hindborg
2025-01-13 10:04 ` Alice Ryhl
2025-01-15 9:34 ` Andreas Hindborg
2024-12-11 10:37 ` [PATCH v11 5/8] mm: rust: add mmput_async support Alice Ryhl
2024-12-16 13:10 ` Andreas Hindborg [this message]
2024-12-11 10:37 ` [PATCH v11 6/8] mm: rust: add VmAreaNew for f_ops->mmap() Alice Ryhl
2024-12-16 13:41 ` Andreas Hindborg
2025-01-08 12:23 ` Alice Ryhl
2025-01-09 8:19 ` Andreas Hindborg
2025-01-13 10:17 ` Alice Ryhl
2025-01-15 9:57 ` Andreas Hindborg
2024-12-17 9:31 ` Andreas Hindborg
2025-01-08 12:24 ` Alice Ryhl
2025-01-09 8:23 ` Andreas Hindborg
2025-01-13 10:18 ` Alice Ryhl
2025-01-10 13:34 ` Alice Ryhl
2025-01-10 16:09 ` Lorenzo Stoakes
2024-12-11 10:37 ` [PATCH v11 7/8] rust: miscdevice: add mmap support Alice Ryhl
2024-12-16 13:53 ` Andreas Hindborg
2024-12-11 10:37 ` [PATCH v11 8/8] task: rust: rework how current is accessed Alice Ryhl
2024-12-16 14:47 ` Andreas Hindborg
2025-01-08 12:32 ` Alice Ryhl
2025-01-09 8:42 ` Andreas Hindborg
2025-01-13 10:26 ` Alice Ryhl
2025-01-15 10:24 ` Andreas Hindborg
2024-12-16 23:40 ` Boqun Feng
2025-01-13 10:30 ` Alice Ryhl
2025-01-14 15:30 ` Boqun Feng
2024-12-11 10:47 ` [PATCH v11 0/8] Rust support for mm_struct, vm_area_struct, and mmap Alice Ryhl
2024-12-12 14:47 ` Konstantin Ryabitsev
2024-12-13 14:42 ` Alice Ryhl
2024-12-13 14:47 ` Konstantin Ryabitsev
2024-12-16 11:04 ` Andreas Hindborg
2024-12-16 11:46 ` Alice Ryhl
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