Re: Commit f06e4ec breaks vmware

From: Ingo Molnar
Date: Mon Feb 04 2008 - 09:53:37 EST



* Jeff Chua <jeff.chua.linux@xxxxxxxxx> wrote:

> On Feb 4, 2008 7:51 PM, Ingo Molnar <mingo@xxxxxxx> wrote:
>
> > > sad to say, but f06e4ec... breaks booting the kernel in vmware
> > > commit f06e4ec1c15691b0cfd2397ae32214fa36c90d71
>
> I had the same problem. But I bisect down to a earlier commit.
> Reverting this patch, and I can boot up using vmware.
>
> commit 8d947344c47a40626730bb80d136d8daac9f2060
> Author: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
> Date: Wed Jan 30 13:31:12 2008 +0100
>
> x86: change write_idt_entry signature

does the patch below ontop of x86.git#mm fix this?

Ingo

---
arch/x86/kernel/vmi_32.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux-x86.q/arch/x86/kernel/vmi_32.c
===================================================================
--- linux-x86.q.orig/arch/x86/kernel/vmi_32.c
+++ linux-x86.q/arch/x86/kernel/vmi_32.c
@@ -220,21 +220,21 @@ static void vmi_set_tr(void)
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]);
+ vmi_ops.write_idt_entry(dt, entry, idt_entry[0], idt_entry[1]);
}

static void vmi_write_gdt_entry(struct desc_struct *dt, int entry,
const void *desc, int type)
{
u32 *gdt_entry = (u32 *)desc;
- vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[2]);
+ vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[1]);
}

static void vmi_write_ldt_entry(struct desc_struct *dt, int entry,
const void *desc)
{
u32 *ldt_entry = (u32 *)desc;
- vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[2]);
+ vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[1]);
}

static void vmi_load_sp0(struct tss_struct *tss,
--
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