[RFC] change the new message to provide for memory allocations

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To: himadrispandya@xxxxxxxxx, gregKH@xxxxxxxxxxxxxxxxxxx, stern@xxxxxxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx
Subject: [RFC] change the new message to provide for memory allocations
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Wed, 23 Sep 2020 15:43:34 +0200
Cc: Oliver Neukum <oneukum@xxxxxxxx>

Control messages have to work in situtaions where you need to
use GFP_NOIO. Hence wrappers for them that allocate memory must have
an API that allows for that.

Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>

Follow-Ups:
- Re: [RFC] change the new message to provide for memory allocations
  - From: Greg KH
- [RFC 04/14] Revert "sound: line6: move to use usb_control_msg_send() and usb_control_msg_recv()"
  - From: Oliver Neukum
- [RFC 10/14] sound: 6fire: move to use usb_control_msg_send() and usb_control_msg_recv()
  - From: Oliver Neukum
- [RFC 11/14] USB: legousbtower: use usb_control_msg_recv()
  - From: Oliver Neukum
- [RFC 09/14] sound: usx2y: move to use usb_control_msg_send()
  - From: Oliver Neukum
- [RFC 12/14] sound: line6: move to use usb_control_msg_send() and usb_control_msg_recv()
  - From: Oliver Neukum
- [RFC 01/14] Revert "USB: core: hub.c: use usb_control_msg_send() in a few places"
  - From: Oliver Neukum
- [RFC 14/14] Bluetooth: ath3k: use usb_control_msg_send() and usb_control_msg_recv()
  - From: Oliver Neukum
- [RFC 13/14] sound: hiface: move to use usb_control_msg_send()
  - From: Oliver Neukum
- [RFC 05/14] Revert "sound: 6fire: move to use usb_control_msg_send() and usb_control_msg_recv()"
  - From: Oliver Neukum
- [RFC 08/14] USB: correct API of usb_control_msg_send/recv
  - From: Oliver Neukum
- [RFC 07/14] Revert "USB: legousbtower: use usb_control_msg_recv()"
  - From: Oliver Neukum
- [RFC 06/14] Revert "sound: usx2y: move to use usb_control_msg_send()"
  - From: Oliver Neukum
- [RFC 03/14] Revert "sound: hiface: move to use usb_control_msg_send()"
  - From: Oliver Neukum
- [RFC 02/14] Revert "Bluetooth: ath3k: use usb_control_msg_send() and usb_control_msg_recv()"
  - From: Oliver Neukum

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