From 4665ac8e28c30c2a015c617c55783c0bf3a49c05 Mon Sep 17 00:00:00 2001 From: Glauber de Oliveira Costa Date: Mon, 7 Jan 2008 11:05:35 -0200 Subject: 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 Signed-off-by: Rusty Russell --- drivers/lguest/lg.h | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'drivers/lguest/lg.h') diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index e7123fa..0563764 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); -- cgit v1.1