x86: replace privileged instructions with paravirt macros

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The assembly code in entry_64.S issues a bunch of privileged instructions,
like cli, sti, swapgs, and others. Paravirt guests are forbidden to do so,
and we then replace them with macros that will do the right thing.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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Glauber de Oliveira Costa 2008-01-30 13:32:08 +01:00 • committed by Ingo Molnar

parent e801f864ec

commit 72fe485854

1 changed files with 59 additions and 42 deletions

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arch/x86/kernel/entry_64.S

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