Re: [linux-usb-devel] USB ioctl problem in 2.4.28

2004-11-29 Thread Meelis Roos
So either the exclusive access needs to be backed out (I don't see how it can affect any drivers in 2.4 but this is my first look at the USB code) or modified so that it does not serialize ioctls. It doesn't affect drivers. There are devices which crash if you do what these locks are preventing. We

Re: [linux-usb-devel] USB ioctl problem in 2.4.28

2004-11-29 Thread Oliver Neukum
Am Montag, 29. November 2004 19:23 schrieb Meelis Roos: > So either the exclusive access needs to be backed out (I don't see how > it can affect any drivers in 2.4 but this is my first look at the USB > code) or modified so that it does not serialize ioctls. It doesn't affect drivers. There are

[linux-usb-devel] USB ioctl problem in 2.4.28

2004-11-29 Thread Meelis Roos
This http://linux.bkbits.net:8080/linux-2.4/cset%40412c6c71gH2KqyBakAeQE-CJpIK3hA?nav=index.html|[EMAIL PROTECTED] patch in 2.4.28 breaks some usb devices that use concurrent access from different processes (like modem_run from speedtouch package but I have heard this is not the only one). The p