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authorJeremy Fitzhardinge <jeremy@goop.org>2008-06-25 00:19:28 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 13:15:52 +0200
commit2be29982a08009c731307f4a39053b70ac4700da (patch)
treef01fcf847f36b9da5cd87cefa7ee6c13d193077d /arch/x86/kernel/asm-offsets_64.c
parentc7245da6ae7e5208504ff027c4e0eec69b788651 (diff)
x86/paravirt: add sysret/sysexit pvops for returning to 32-bit compatibility userspace
In a 64-bit system, we need separate sysret/sysexit operations to return to a 32-bit userspace. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citirx.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/asm-offsets_64.c')
-rw-r--r--arch/x86/kernel/asm-offsets_64.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index a19aba8c5bb3..06c451af979a 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -62,7 +62,9 @@ int main(void)
OFFSET(PV_IRQ_irq_disable, pv_irq_ops, irq_disable);
OFFSET(PV_IRQ_irq_enable, pv_irq_ops, irq_enable);
OFFSET(PV_CPU_iret, pv_cpu_ops, iret);
- OFFSET(PV_CPU_usergs_sysret, pv_cpu_ops, usergs_sysret);
+ OFFSET(PV_CPU_usergs_sysret32, pv_cpu_ops, usergs_sysret32);
+ OFFSET(PV_CPU_usergs_sysret64, pv_cpu_ops, usergs_sysret64);
+ OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit);
OFFSET(PV_CPU_swapgs, pv_cpu_ops, swapgs);
OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2);
#endif