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authorJeremy Fitzhardinge <jeremy@goop.org>2008-05-09 12:05:57 +0100
committerThomas Gleixner <tglx@linutronix.de>2008-05-22 18:42:49 +0200
commit3843fc2575e3389f4f0ad0420a720240a5746a5d (patch)
tree9f1b86795f3128ea65c3b35d394750127dde9a6f /arch/x86/xen/mmu.c
parent78b58e549a3098a8c1408d0214bd25e5d5e7a3a3 (diff)
downloadblackbird-op-linux-3843fc2575e3389f4f0ad0420a720240a5746a5d.tar.gz
blackbird-op-linux-3843fc2575e3389f4f0ad0420a720240a5746a5d.zip
xen: remove support for non-PAE 32-bit
Non-PAE operation has been deprecated in Xen for a while, and is rarely tested or used. xen-unstable has now officially dropped non-PAE support. Since Xen/pvops' non-PAE support has also been broken for a while, we may as well completely drop it altogether. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 126766d43aea..07c2653ec335 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -222,7 +222,7 @@ pmdval_t xen_pmd_val(pmd_t pmd)
ret = machine_to_phys(XMADDR(ret)).paddr | _PAGE_PRESENT;
return ret;
}
-#ifdef CONFIG_X86_PAE
+
void xen_set_pud(pud_t *ptr, pud_t val)
{
struct multicall_space mcs;
@@ -272,12 +272,6 @@ pmd_t xen_make_pmd(pmdval_t pmd)
return native_make_pmd(pmd);
}
-#else /* !PAE */
-void xen_set_pte(pte_t *ptep, pte_t pte)
-{
- *ptep = pte;
-}
-#endif /* CONFIG_X86_PAE */
/*
(Yet another) pagetable walker. This one is intended for pinning a
@@ -430,8 +424,6 @@ static int pin_page(struct page *page, enum pt_level level)
read-only, and can be pinned. */
void xen_pgd_pin(pgd_t *pgd)
{
- unsigned level;
-
xen_mc_batch();
if (pgd_walk(pgd, pin_page, TASK_SIZE)) {
@@ -441,14 +433,7 @@ void xen_pgd_pin(pgd_t *pgd)
xen_mc_batch();
}
-#ifdef CONFIG_X86_PAE
- level = MMUEXT_PIN_L3_TABLE;
-#else
- level = MMUEXT_PIN_L2_TABLE;
-#endif
-
- xen_do_pin(level, PFN_DOWN(__pa(pgd)));
-
+ xen_do_pin(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(pgd)));
xen_mc_issue(0);
}
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