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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-07 14:05:35 +0100 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-01-30 12:50:13 +0100 |
| commit | 4665ac8e28c30c2a015c617c55783c0bf3a49c05 (patch) | |
| tree | 15992d7e693126be7f758e694c8a544306576dfd /drivers/lguest/lg.h | |
| parent | lguest: per-vcpu lguest task management (diff) | |
| download | linux-4665ac8e28c30c2a015c617c55783c0bf3a49c05.tar.xz linux-4665ac8e28c30c2a015c617c55783c0bf3a49c05.zip | |
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.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index e7123fa6127f..05637648a174 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); |