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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-17 11:42:01 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-20 15:09:56 +0200 |
| commit | aeaaa59c7e15dcfaaf57ce069ef81683067d575d (patch) | |
| tree | 5d3197156381360027d414625fe26ab2d67c6a07 /arch/x86/xen | |
| parent | d494a96125c99f1e37b1f831b29b42c9b712ee05 (diff) | |
| download | linux-aeaaa59c7e15dcfaaf57ce069ef81683067d575d.tar.bz2 | |
x86/paravirt/xen: add set_fixmap pv_mmu_ops
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index c8a56e457d61..0ad8a64a2e05 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -960,6 +960,33 @@ static unsigned xen_patch(u8 type, u16 clobbers, void *insnbuf, return ret; } +static void xen_set_fixmap(unsigned idx, unsigned long phys, pgprot_t prot) +{ + pte_t pte; + + phys >>= PAGE_SHIFT; + + switch (idx) { + case FIX_BTMAP_END ... FIX_BTMAP_BEGIN: +#ifdef CONFIG_X86_F00F_BUG + case FIX_F00F_IDT: +#endif + case FIX_WP_TEST: + case FIX_VDSO: +#ifdef CONFIG_X86_LOCAL_APIC + case FIX_APIC_BASE: /* maps dummy local APIC */ +#endif + pte = pfn_pte(phys, prot); + break; + + default: + pte = mfn_pte(phys, prot); + break; + } + + __native_set_fixmap(idx, pte); +} + static const struct pv_info xen_info __initdata = { .paravirt_enabled = 1, .shared_kernel_pmd = 0, @@ -1112,6 +1139,8 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = { .enter = paravirt_enter_lazy_mmu, .leave = xen_leave_lazy, }, + + .set_fixmap = xen_set_fixmap, }; #ifdef CONFIG_SMP |