lguest: replace hypercall name LHCALL_SET_PMD with LHCALL_SET_PGD

replace LHCALL_SET_PMD with LHCALL_SET_PGD hypercall name
(That's really what it is, and the confusion gets worse with PAE support)

Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Reported-by: Jeremy Fitzhardinge <jeremy@goop.org>

diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index f9a9f78..05b9c19 100644 (file)
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -13,7 +13,7 @@
 #define LHCALL_SET_CLOCKEVENT  9
 #define LHCALL_HALT            10
 #define LHCALL_SET_PTE         14
-#define LHCALL_SET_PMD         15
+#define LHCALL_SET_PGD         15
 #define LHCALL_LOAD_TLS                16
 #define LHCALL_NOTIFY          17
 #define LHCALL_LOAD_GDT_ENTRY  18

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 4f311e4..943a75e 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -535,7 +535,7 @@ static void lguest_set_pte_at(struct mm_struct *mm, unsigned long addr,
 static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
 {
        native_set_pmd(pmdp, pmdval);
-       lazy_hcall2(LHCALL_SET_PMD, __pa(pmdp) & PAGE_MASK,
+       lazy_hcall2(LHCALL_SET_PGD, __pa(pmdp) & PAGE_MASK,
                   (__pa(pmdp) & (PAGE_SIZE - 1)) / sizeof(pmd_t));
 }
 

diff --git a/drivers/lguest/hypercalls.c b/drivers/lguest/hypercalls.c
index f252b71..51149ca 100644 (file)
--- a/drivers/lguest/hypercalls.c
+++ b/drivers/lguest/hypercalls.c
@@ -79,8 +79,8 @@ static void do_hcall(struct lg_cpu *cpu, struct hcall_args *args)
        case LHCALL_SET_PTE:
                guest_set_pte(cpu, args->arg1, args->arg2, __pte(args->arg3));
                break;
-       case LHCALL_SET_PMD:
-               guest_set_pmd(cpu->lg, args->arg1, args->arg2);
+       case LHCALL_SET_PGD:
+               guest_set_pgd(cpu->lg, args->arg1, args->arg2);
                break;
        case LHCALL_SET_CLOCKEVENT:
                guest_set_clockevent(cpu, args->arg1);

diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index 74af503..cacc2da 100644 (file)
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -169,7 +169,7 @@ void copy_gdt_tls(const struct lg_cpu *cpu, struct desc_struct *gdt);
 int init_guest_pagetable(struct lguest *lg);
 void free_guest_pagetable(struct lguest *lg);
 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_set_pgd(struct lguest *lg, unsigned long gpgdir, u32 i);
 void guest_pagetable_clear_all(struct lg_cpu *cpu);
 void guest_pagetable_flush_user(struct lg_cpu *cpu);
 void guest_set_pte(struct lg_cpu *cpu, unsigned long gpgdir,

diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c
index ffba723..6a54d76 100644 (file)
--- a/drivers/lguest/page_tables.c
+++ b/drivers/lguest/page_tables.c
@@ -568,7 +568,7 @@ void guest_set_pte(struct lg_cpu *cpu,
  *
  * So with that in mind here's our code to to update a (top-level) PGD entry:
  */
-void guest_set_pmd(struct lguest *lg, unsigned long gpgdir, u32 idx)
+void guest_set_pgd(struct lguest *lg, unsigned long gpgdir, u32 idx)
 {
        int pgdir;