x86: VMI fix (262d5ee2) · Commits · 戴 / test

Jeff Chua bisected down a vmware guest boot breakage (hang) to this paravirt change: commit Author: Glauber de Oliveira Costa <gcosta@redhat.com> Date: Wed Jan 30 13:31:12 2008 +0100 x86: change write_idt_entry signature fix the off-by-one indexing bug ... Bisected-by:

Jeff Chua <jeff.chua.linux@gmail.com> Tested-by:

Jeff Chua <jeff.chua.linux@gmail.com> Signed-off-by:

Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/vmi_32.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -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,

Admin message