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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-01-07 11:05:35 -0200
committerRusty Russell <rusty@rustcorp.com.au>2008-01-30 22:50:13 +1100
commit4665ac8e28c30c2a015c617c55783c0bf3a49c05 (patch)
tree15992d7e693126be7f758e694c8a544306576dfd /drivers/lguest/lg.h
parent66686c2ab08feb721ca4d98285fba64acdf6017f (diff)
lguest: makes special fields be per-vcpu
lguest struct have room for some fields, namely, cr2, ts, esp1 and ss1, that are not really guest-wide, but rather, vcpu-wide. This patch puts it in the vcpu struct Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/lguest/lg.h')
-rw-r--r--drivers/lguest/lg.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index e7123fa6127..05637648a17 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -46,6 +46,11 @@ struct lg_cpu {
struct task_struct *tsk;
struct mm_struct *mm; /* == tsk->mm, but that becomes NULL on exit */
+ u32 cr2;
+ int ts;
+ u32 esp1;
+ u8 ss1;
+
/* At end of a page shared mapped over lguest_pages in guest. */
unsigned long regs_page;
struct lguest_regs *regs;
@@ -80,10 +85,6 @@ struct lguest
* memory in the Launcher. */
void __user *mem_base;
unsigned long kernel_address;
- u32 cr2;
- int ts;
- u32 esp1;
- u8 ss1;
/* Bitmap of what has changed: see CHANGED_* above. */
int changed;
@@ -141,8 +142,8 @@ void maybe_do_interrupt(struct lg_cpu *cpu);
int deliver_trap(struct lg_cpu *cpu, unsigned int num);
void load_guest_idt_entry(struct lg_cpu *cpu, unsigned int i,
u32 low, u32 hi);
-void guest_set_stack(struct lguest *lg, u32 seg, u32 esp, unsigned int pages);
-void pin_stack_pages(struct lguest *lg);
+void guest_set_stack(struct lg_cpu *cpu, u32 seg, u32 esp, unsigned int pages);
+void pin_stack_pages(struct lg_cpu *cpu);
void setup_default_idt_entries(struct lguest_ro_state *state,
const unsigned long *def);
void copy_traps(const struct lg_cpu *cpu, struct desc_struct *idt,
@@ -164,9 +165,9 @@ void copy_gdt_tls(const struct lg_cpu *cpu, struct desc_struct *gdt);
/* page_tables.c: */
int init_guest_pagetable(struct lguest *lg, unsigned long pgtable);
void free_guest_pagetable(struct lguest *lg);
-void guest_new_pagetable(struct lguest *lg, unsigned long pgtable);
+void guest_new_pagetable(struct lg_cpu *cpu, unsigned long pgtable);
void guest_set_pmd(struct lguest *lg, unsigned long gpgdir, u32 i);
-void guest_pagetable_clear_all(struct lguest *lg);
+void guest_pagetable_clear_all(struct lg_cpu *cpu);
void guest_pagetable_flush_user(struct lguest *lg);
void guest_set_pte(struct lguest *lg, unsigned long gpgdir,
unsigned long vaddr, pte_t val);