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

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