aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/vmi_32.c
diff options
context:
space:
mode:
authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-01-30 13:31:12 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:31:12 +0100
commit8d947344c47a40626730bb80d136d8daac9f2060 (patch)
tree3987eb84706b2f4e968d6838da9d2d1f6888e34e /arch/x86/kernel/vmi_32.c
parent010d4f8221cf51a2ab8b037d0149506b397d073f (diff)
downloadlinux-linaro-android-8d947344c47a40626730bb80d136d8daac9f2060.tar.gz
x86: change write_idt_entry signature
this patch changes write_idt_entry signature. It now takes a gate_desc instead of the a and b parameters. It will allow it to be later unified between i386 and x86_64. Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> CC: Zachary Amsden <zach@vmware.com> CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
-rw-r--r--arch/x86/kernel/vmi_32.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 4cfda7dbe90..a635b22de25 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -62,6 +62,7 @@ static struct {
void (*cpuid)(void /* non-c */);
void (*_set_ldt)(u32 selector);
void (*set_tr)(u32 selector);
+ void (*write_idt_entry)(struct desc_struct *, int, u32, u32);
void (*set_kernel_stack)(u32 selector, u32 sp0);
void (*allocate_page)(u32, u32, u32, u32, u32);
void (*release_page)(u32, u32);
@@ -214,6 +215,12 @@ static void vmi_set_tr(void)
vmi_ops.set_tr(GDT_ENTRY_TSS*sizeof(struct desc_struct));
}
+static void vmi_write_idt_entry(gate_desc *dt, int entry, const gate_desc *g)
+{
+ u32 *idt_entry = (u32 *)g;
+ vmi_ops.write_idt_entry(dt, entry, idt_entry[0], idt_entry[2]);
+}
+
static void vmi_load_sp0(struct tss_struct *tss,
struct thread_struct *thread)
{
@@ -792,7 +799,8 @@ static inline int __init activate_vmi(void)
pv_cpu_ops.load_tls = vmi_load_tls;
para_fill(pv_cpu_ops.write_ldt_entry, WriteLDTEntry);
para_fill(pv_cpu_ops.write_gdt_entry, WriteGDTEntry);
- para_fill(pv_cpu_ops.write_idt_entry, WriteIDTEntry);
+ para_wrap(pv_cpu_ops.write_idt_entry, vmi_write_idt_entry,
+ write_idt_entry, WriteIDTEntry);
para_wrap(pv_cpu_ops.load_sp0, vmi_load_sp0, set_kernel_stack, UpdateKernelStack);
para_fill(pv_cpu_ops.set_iopl_mask, SetIOPLMask);
para_fill(pv_cpu_ops.io_delay, IODelay);