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Message-ID: <4856E126.2040400@goop.org> Date: Mon, 16 Jun 2008 14:54:46 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: the arch/x86 maintainers <x86@...nel.org> CC: Yinghai Lu <yhlu.kernel@...il.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: [PATCH 1/3] xen: reserve Xen-specific memory in e820 map Make sure that the start_info and pfn->mfn translation array are reserved. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> Cc: Yinghai Lu <yhlu.kernel@...il.com> --- arch/x86/xen/setup.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) =================================================================== --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -40,8 +40,21 @@ max_pfn = min(MAX_DOMAIN_PAGES, max_pfn); e820.nr_map = 0; + e820_add_region(0, LOWMEMSIZE(), E820_RAM); e820_add_region(HIGH_MEMORY, PFN_PHYS(max_pfn)-HIGH_MEMORY, E820_RAM); + + /* + * Reserve Xen bits: + * - mfn_list + * - xen_start_info + * See comment above "struct start_info" in <xen/interface/xen.h> + */ + e820_add_region(__pa(xen_start_info->mfn_list), + xen_start_info->pt_base - xen_start_info->mfn_list, + E820_RESERVED); + + sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); return "Xen"; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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