diff options
author | David S. Miller <davem@davemloft.net> | 2012-04-12 19:41:23 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-04-12 19:41:23 -0400 |
commit | 011e3c63251be832d23df9f0697626ab7b354d02 (patch) | |
tree | 2cad5b58c274c93ae49d9b58fb15d784d4dfd78f /arch/x86/xen/mmu.c | |
parent | c1412fce7eccae62b4de22494f6ab3ff8a90c0c6 (diff) | |
parent | ecca5c3acc0d0933d89abc44e60afb0cc8170e35 (diff) | |
download | linux-011e3c63251be832d23df9f0697626ab7b354d02.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r-- | arch/x86/xen/mmu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 988828b479ed..b8e279479a6b 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1859,6 +1859,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, #endif /* CONFIG_X86_64 */ static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_bss; +static unsigned char fake_ioapic_mapping[PAGE_SIZE] __page_aligned_bss; static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) { @@ -1899,7 +1900,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot) * We just don't map the IO APIC - all access is via * hypercalls. Keep the address in the pte for reference. */ - pte = pfn_pte(PFN_DOWN(__pa(dummy_mapping)), PAGE_KERNEL); + pte = pfn_pte(PFN_DOWN(__pa(fake_ioapic_mapping)), PAGE_KERNEL); break; #endif @@ -2064,6 +2065,7 @@ void __init xen_init_mmu_ops(void) pv_mmu_ops = xen_mmu_ops; memset(dummy_mapping, 0xff, PAGE_SIZE); + memset(fake_ioapic_mapping, 0xfd, PAGE_SIZE); } /* Protected by xen_reservation_lock. */ |