Re: [RFCLUE2] 64 bit driver 32 bit app ioctl

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 2006-03-23 at 07:06 -0800, William D Waddington wrote:
> Apologies for dashing this off without the proper homework.  My
> customer is out of country doing an installation, and didn't test
> this configuration first :(
> 
> Customer is running RHEL3 on a 64 bit PC.  Running the 64 bit kernel
> and my 64 bit driver.  They are calling the driver from their 32 bit
> app.  The driver supports a whole mess of ioctls.
> 
> It seems that the kernel is trapping the 32-bit ioctl call and returning
> an error to the app w/out calling the driver.  It looks like
> register_ioctl32_conversion() can convice the kernel that the driver can
> handle 32-bit calls, but it has to be called for each ioctl cmd (??)

you forgot to attach you code btw or post the url to it..


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux