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(parent: c758ecf) | patch
x86: introduce native_read_tscp
authorGlauber de Oliveira Costa <gcosta@redhat.com>
Wed, 30 Jan 2008 12:31:06 +0000 (13:31 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:31:06 +0000 (13:31 +0100)
commit8f12dea6135d0a55b151dcb4c6bbe211f5f8d35d
tree3c4c486ffb318aa90e0bf75402d22348f7ae1525tree | snapshot
parentc758ecf62ad94ddfeb4e7d8a5498bdcb2e3c85dbcommit | diff
x86: introduce native_read_tscp

Targetting paravirt, this patch introduces native_read_tscp, in
place of rdtscp() macro. When in a paravirt guest, this will
involve a function call, and thus, cannot be done in the vdso area.
These users then have to call the native version directly

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>
arch/x86/kernel/vsyscall_64.c diff | blob | history
arch/x86/vdso/vgetcpu.c diff | blob | history
include/asm-x86/msr.h diff | blob | history
Domain: System / Uncategorized;