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

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    Revision 606 - (hide annotations) (download)
    Thu May 22 23:13:13 2008 UTC (16 years 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 niro 606 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