Re: [PATCH 5/7] Use %gs for per-cpu sections in kernel

From: Jeremy Fitzhardinge
Date: Sun Sep 24 2006 - 21:08:20 EST

Andi Kleen wrote:
I managed to get all this done in head.S before going into C code; is that not still possible? Or is there a later patch to do this.

Why write in assembler what you can write in C?
This stuff is very basic, and you could consider it as being part of the kernel's C runtime model, and therefore can be expected to be available everywhere. In particular, the use of current is so prevalent that you really can't call anything without having the PDA set up.

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