diff options
| author | Magnus Damm <magnus@valinux.co.jp> | 2006-11-22 13:32:28 +0900 |
|---|---|---|
| committer | Simon Horman <horms@verge.net.au> | 2006-11-27 12:25:13 +0900 |
| commit | c41620b1d2717a6eb1969ad03758a1b707ba55ab (patch) | |
| tree | 6f38f1d23b59807ece010183d9774b392db986b9 | |
| parent | 85d91aabcd06e9376d5bfb05ac0e80cba049daa2 (diff) | |
kexec-tools: Xen on x86_64 fix
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 <magnus@valinux.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>
| -rw-r--r-- | kexec/arch/x86_64/crashdump-x86_64.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kexec/arch/x86_64/crashdump-x86_64.c b/kexec/arch/x86_64/crashdump-x86_64.c index b1a1339..14b70ea 100644 --- a/kexec/arch/x86_64/crashdump-x86_64.c +++ b/kexec/arch/x86_64/crashdump-x86_64.c @@ -58,6 +58,9 @@ static int get_kernel_paddr(struct kexec_info *info) { 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(struct kexec_info *info) 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); |