RE: [PATCH] x86/entry/32: Fix setup of CS high bits

[David Laight]

From: Jan Kiszka
> Sent: 15 October 2018 14:09
...
> > Those fields are genuinely 16 bit.  So the comment should say
> > something like "Those high bits are used for CS_FROM_ENTRY_STACK and
> > CS_FROM_USER_CR3".
> 
> /*
>   * The high bits of the CS dword (__csh) are used for
>   * CS_FROM_ENTRY_STACK and CS_FROM_USER_CR3. Clear them in case
>   * hardware didn't do this for us.
>   */

What's a 'dword' ? :-)

On a 32bit processor a 'word' will be 32 bits to a 'double-word'
would be 64 bits.
One of the worst names to use.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)