Magellan Linux

  • Back to homepage
    • /[pkg-src]/trunk/kernel26-xen/patches-2.6.25-r1/1066-2.6.25-xen-specific-find_early_table_space-FIXME.patch

    Contents of /trunk/kernel26-xen/patches-2.6.25-r1/1066-2.6.25-xen-specific-find_early_table_space-FIXME.patch

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 606 - (show annotations) (download)
    Thu May 22 23:13:13 2008 UTC (15 years, 11 months ago) by niro
    File size: 1820 byte(s) 
    -ver bump to 2.6.25-magellan-r1:
- linux-2.6.25.4
- fbcondecor-0.9.4
- squashfs-3.3
- unionfs-2.3.3
- tuxonice-3.0-rc7
- linux-phc-0.3.0
- acpi-dstd-0.9a
- reiser4
- xen-3.2.0
. ipw3945-1.2.2
    1 From a9ea6d85c63caff3d79eb765de6931c076708326 Mon Sep 17 00:00:00 2001
    2 From: Eduardo Habkost <ehabkost@redhat.com>
    3 Date: Wed, 23 Jan 2008 12:15:58 -0200
    4 Subject: [PATCH] Xen-specific find_early_table_space() (FIXME)
    5
    6 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
    7 ---
    8 arch/x86/mm/init_64.c | 31 +++++++++++++++++++++++++++++++
    9 1 files changed, 31 insertions(+), 0 deletions(-)
    10
    11 diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
    12 index 69d1056..a6f2051 100644
    13 --- a/arch/x86/mm/init_64.c
    14 +++ b/arch/x86/mm/init_64.c
    15 @@ -522,6 +522,35 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end)
    16 __flush_tlb_all();
    17 }
    18
    19 +#ifdef CONFIG_XEN
    20 +/*FIXME: Yet Another Xen #ifdef that needs to be done at runtime */
    21 +
    22 +static void __init find_early_table_space(unsigned long end)
    23 +{
    24 + unsigned long puds, pmds, ptes, tables;
    25 +
    26 + puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
    27 + pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT;
    28 + ptes = (end + PTE_SIZE - 1) >> PAGE_SHIFT;
    29 +
    30 + tables = round_up(puds * 8, PAGE_SIZE) +
    31 + round_up(pmds * 8, PAGE_SIZE) +
    32 + round_up(ptes * 8, PAGE_SIZE);
    33 +
    34 + /*FIXME: what does this do? */
    35 + //extend_init_mapping(tables);
    36 +
    37 + table_start = start_pfn;
    38 + table_end = table_start + (tables>>PAGE_SHIFT);
    39 +
    40 + early_printk("kernel direct mapping tables up to %lx @ %lx-%lx\n",
    41 + end, table_start << PAGE_SHIFT,
    42 + (table_start << PAGE_SHIFT) + tables);
    43 +}
    44 +
    45 +
    46 +#else /* XEN */
    47 +
    48 static void __init find_early_table_space(unsigned long end)
    49 {
    50 unsigned long puds, pmds, tables, start;
    51 @@ -545,6 +574,8 @@ static void __init find_early_table_space(unsigned long end)
    52 table_end = table_start;
    53 }
    54
    55 +#endif /* !XEN */
    56 +
    57 /*
    58 * Setup the direct mapping of the physical memory at PAGE_OFFSET.
    59 * This runs before bootmem is initialized and gets pages directly from
    60 --
    61 1.5.4.1
    62