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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-09-14 07:42:23 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-14 16:46:34 +0200 |
| commit | 5670a43d710a12fcbbfaefd3991002768b488d82 (patch) | |
| tree | 98b723489f895fa9080c72a9abcbdf03945ef27e /arch | |
| parent | 0ad5bce7409d681a5655c66e64bb0eb740b89c1f (diff) | |
| download | lwn-5670a43d710a12fcbbfaefd3991002768b488d82.tar.gz lwn-5670a43d710a12fcbbfaefd3991002768b488d82.zip | |
xen: fix for xen guest with mem > 3.7G
PFN_PHYS() can truncate large addresses unless its passed a suitable
large type. This is fixed more generally in the patch series
introducing phys_addr_t, but we need a short-term fix to solve a
Xen regression reported by Roberto De Ioris.
Reported-by: Roberto De Ioris <roberto@unbit.it>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/xen/setup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index b6acc3a0af46..d67901083888 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -42,7 +42,7 @@ char * __init xen_memory_setup(void) e820.nr_map = 0; - e820_add_region(0, PFN_PHYS(max_pfn), E820_RAM); + e820_add_region(0, PFN_PHYS((u64)max_pfn), E820_RAM); /* * Even though this is normal, usable memory under Xen, reserve |