Re: [PATCH] [2.5 i386] Swap TLS and TSS entries to improve spatial

[Ingo Molnar]

On 7 Aug 2002, Luca Barbieri wrote:

> GDT entries are usually accessed with this pattern:
>         * Interrupt: read TSS (for ss0:esp0) and kernel CS/DS
>         * Schedule: write TLS, LDT, load FS and GS (either TLS, user DS
>           or LDT entry)
>         * Return: read user CS/DS
> 
> Swapping the TLS and TSS entries causes the GDT entries that are read
> during interrupt and schedule to be in the same cacheline.

yes, this makes perfect sense.

	Ingo