kexec-tools: Xen on x86_64 fix
This patch makes it possible to use the kexec binary under Xen/dom0 on the
x86_64 architecture. Without this fix it is impossible to load a crash kernel,
kexec will fail with a "Cannot determine kernel physical load addr" message.
Signed-off-by: Magnus Damm <[EMAIL PROTECTED]>
---
Apply on top of the Xen patches sent out yesterday to the fastboot list.
kexec/arch/x86_64/crashdump-x86_64.c | 6 ++++++
1 file changed, 6 insertions(+)
--- 0012/kexec/arch/x86_64/crashdump-x86_64.c
+++ work/kexec/arch/x86_64/crashdump-x86_64.c 2006-11-22 13:07:01.000000000
+0900
@@ -58,6 +58,9 @@ static int get_kernel_paddr(struct kexec
{
uint64_t start;
+ if (xen_present()) /* Kernel not entity mapped under Xen */
+ return 0;
+
if (parse_iomem_single("Kernel code\n", &start, NULL) == 0) {
info->kern_paddr_start = start;
#ifdef DEBUG
@@ -88,6 +91,9 @@ static int get_kernel_vaddr_and_size(str
unsigned long size;
uint32_t elf_flags = 0;
+ if (xen_present()) /* Kernel not entity mapped under Xen */
+ return 0;
+
align = getpagesize();
size = KCORE_ELF_HEADERS_SIZE;
buf = slurp_file_len(kcore, size);
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