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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-08 15:06:47 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 10:59:24 +0200 |
| commit | 15664f968a95d8fbf4a0d7b462fcc20f88906bb3 (patch) | |
| tree | f2aad78c561aa0dd3975eff76d9fe8b9a6558650 | |
| parent | cdacc1278b12d929f9a053c245ff3d16eb7af9f8 (diff) | |
| download | blackbird-op-linux-15664f968a95d8fbf4a0d7b462fcc20f88906bb3.tar.gz blackbird-op-linux-15664f968a95d8fbf4a0d7b462fcc20f88906bb3.zip | |
xen64: use set_fixmap for shared_info structure
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/xen/enlighten.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index f3f11acf7856..dbe3549fad40 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -902,18 +902,11 @@ static __init void xen_pagetable_setup_start(pgd_t *base) void xen_setup_shared_info(void) { if (!xen_feature(XENFEAT_auto_translated_physmap)) { - unsigned long addr = fix_to_virt(FIX_PARAVIRT_BOOTMAP); - - /* - * Create a mapping for the shared info page. - * Should be set_fixmap(), but shared_info is a machine - * address with no corresponding pseudo-phys address. - */ - set_pte_mfn(addr, - PFN_DOWN(xen_start_info->shared_info), - PAGE_KERNEL); - - HYPERVISOR_shared_info = (struct shared_info *)addr; + set_fixmap(FIX_PARAVIRT_BOOTMAP, + xen_start_info->shared_info); + + HYPERVISOR_shared_info = + (struct shared_info *)fix_to_virt(FIX_PARAVIRT_BOOTMAP); } else HYPERVISOR_shared_info = (struct shared_info *)__va(xen_start_info->shared_info); @@ -1050,8 +1043,13 @@ static void xen_set_fixmap(unsigned idx, unsigned long phys, pgprot_t prot) #ifdef CONFIG_X86_F00F_BUG case FIX_F00F_IDT: #endif +#ifdef CONFIG_X86_32 case FIX_WP_TEST: case FIX_VDSO: + case FIX_KMAP_BEGIN ... FIX_KMAP_END: +#else + case VSYSCALL_LAST_PAGE ... VSYSCALL_FIRST_PAGE: +#endif #ifdef CONFIG_X86_LOCAL_APIC case FIX_APIC_BASE: /* maps dummy local APIC */ #endif |
