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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-25 08:19:28 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 15:15:52 +0400 |
| commit | 2be29982a08009c731307f4a39053b70ac4700da (patch) | |
| tree | f01fcf847f36b9da5cd87cefa7ee6c13d193077d /arch/x86/kernel/asm-offsets_64.c | |
| parent | c7245da6ae7e5208504ff027c4e0eec69b788651 (diff) | |
| download | linux-2be29982a08009c731307f4a39053b70ac4700da.tar.xz | |
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.c | 4 |
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 |