Re: [PATCH RFC 3/6] Use %gs as the PDA base-segment in the kernel.

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Andi Kleen wrote:
On Sunday 27 August 2006 19:20, Jeremy Fitzhardinge wrote:
Andi Kleen wrote:
+1:	movw GS(%esp), %gs
movl is recommended in 32bit mode
arch/i386/kernel/entry.S: Assembler messages:
arch/i386/kernel/entry.S:334: Error: suffix or operands invalid for `mov'

Looks like a gas bug to me.


Not so much a bug as a misfeature. They changed the meaning of "movw" and "movl" on segment registers between versions.

Either way, just "mov" should work.

	-hpa

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