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([2001:a61:136f:7201:4a82:7cef:c61f:a3f3]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-493ccdab27dsm253380765e9.4.2026.07.06.02.47.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 02:47:46 -0700 (PDT) Message-ID: Date: Mon, 6 Jul 2026 11:47:45 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v2 11/11] rust: usb: let drivers choose the transfer allocation flags To: Mike Lothian , rust-for-linux@vger.kernel.org Cc: linux-usb@vger.kernel.org, Greg Kroah-Hartman , Daniel Almeida , Miguel Ojeda , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Alexandre Courbot , linux-kernel@vger.kernel.org References: <20260617145946.1894-1-mike@fireburn.co.uk> <20260703030020.2694-1-mike@fireburn.co.uk> <20260703030020.2694-12-mike@fireburn.co.uk> Content-Language: en-US From: Oliver Neukum In-Reply-To: <20260703030020.2694-12-mike@fireburn.co.uk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 03.07.26 05:00, Mike Lothian wrote: > Oliver Neukum review of the synchronous transfer bindings: a USB driver must be able to > specify GFP_KERNEL vs GFP_NOIO/GFP_NOFS (USB shares error handling and power management > across a device's interfaces, so allocations on reset/resume/error paths must not recurse > into I/O). Thread a `gfp: Flags` parameter through bulk_send/bulk_recv/interrupt_recv/ > control_send/control_recv (both the Interface wrappers and the Device impls) instead of > hardcoding GFP_KERNEL. Sorry, I did not read this befor replying to teh first patch. REgards Oliver