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lguest: use native_set_* macros, which properly handle 64-bit entries when PAE is activated

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Some cleanups and replace direct assignment with native_set_* macros which properly handle 64-bit entries when PAE is activated

Signed-off-by: Matias Zabaljauregui <zabaljauregui@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Matias Zabaljauregui
2009-06-12 22:27:06 -06:00
committed by Rusty Russell
parent ed1dc77810
commit 90603d15fa
2 changed files with 22 additions and 21 deletions
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8
arch/x86/lguest/boot.c
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@@ -525,7 +525,7 @@ static void lguest_pte_update(struct mm_struct *mm, unsigned long addr,
static void lguest_set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval)
{
*ptep = pteval;
native_set_pte(ptep, pteval);
lguest_pte_update(mm, addr, ptep);
}
@@ -534,9 +534,9 @@ static void lguest_set_pte_at(struct mm_struct *mm, unsigned long addr,
* changed. */
static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
{
*pmdp = pmdval;
native_set_pmd(pmdp, pmdval);
lazy_hcall2(LHCALL_SET_PMD, __pa(pmdp) & PAGE_MASK,
(__pa(pmdp) & (PAGE_SIZE - 1)) / 4);
(__pa(pmdp) & (PAGE_SIZE - 1)) / sizeof(pmd_t));
}
/* There are a couple of legacy places where the kernel sets a PTE, but we
@@ -550,7 +550,7 @@ static void lguest_set_pmd(pmd_t *pmdp, pmd_t pmdval)
* which brings boot back to 0.25 seconds. */
static void lguest_set_pte(pte_t *ptep, pte_t pteval)
{
*ptep = pteval;
native_set_pte(ptep, pteval);
if (cr3_changed)
lazy_hcall1(LHCALL_FLUSH_TLB, 1);
}