xen/setup: Remove redundant filtering of PTE masks.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Fri, 10 Feb 2012 14:24:08 +0000 (09:24 -0500)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 20 Feb 2012 15:40:54 +0000 (10:40 -0500)
commit 7347b4082e55ac4a673f06a0a0ce25c37273c9ec "xen: Allow
unprivileged Xen domains to create iomap pages" added a redundant
line in the early bootup code to filter out the PTE. That
filtering is already done a bit earlier so this extra processing
is not required.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
arch/x86/xen/enlighten.c

index 12eb07bfb267ee6747abbd4192fab3f9f5c1f44e..7c44e1bf981e563a2e7a63576f3fcb9d95bb24de 100644 (file)
@@ -1204,10 +1204,6 @@ asmlinkage void __init xen_start_kernel(void)
 
        pgd = (pgd_t *)xen_start_info->pt_base;
 
-       if (!xen_initial_domain())
-               __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
-
-       __supported_pte_mask |= _PAGE_IOMAP;
        /* Don't do the full vcpu_info placement stuff until we have a
           possible map and a non-dummy shared_info. */
        per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];